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* [PATCH RESEND v11 0/5] Enable Display for J784S4 and AM69-SK platform
@ 2023-10-05 13:27 ` Jayesh Choudhary
  0 siblings, 0 replies; 16+ messages in thread
From: Jayesh Choudhary @ 2023-10-05 13:27 UTC (permalink / raw)
  To: nm, vigneshr, a-bhatia1
  Cc: afd, rogerq, s-vadapalli, conor+dt, r-ravikumar, sabiya.d,
	kristo, robh+dt, krzysztof.kozlowski+dt, devicetree,
	linux-kernel, linux-arm-kernel, j-choudhary

This series adds support for:
- DisplayPort for J784S4-EVM
- Displayport and HDMI for AM69-SK platform

NOTE: Patch 4/5 introduces the following dtc warning which can be ignored
since its behind W=1 check:
Warning (graph_child_address): /bus@100000/dss@4a00000/ports: graph node
has single child node 'port@0', #address-cells/#size-cells are not
necessary

(This is more accurate description for port and the dtc check should not
differentiate between port@0 and port@1.[0])

Changelog v10->v11:
- Added comment for disabling serdes-refclk (according to comments of v5)
- Update commit message to document why serdes, wiz nodes (2/5) and mhdp-
  bridge, tidss nodes (3/5) are disabled.
- Keep only ports in board files and move common properties to main file
  and document why ports are kept empty.

v10: https://lore.kernel.org/all/20230927121157.278592-1-j-choudhary@ti.com/

Changelog v9->v10:
- Remove duplicate properties from dp0_ports node in main file.
- Add reg for the port even though there is only single port in dss_port
  since its more accurate description for the port.
- Carry the R-by tags from v9.

v9: https://lore.kernel.org/all/20230803080441.367341-1-j-choudhary@ti.com/

Changelog v8->v9:
- Fix compatible of serdes_ln_ctrl node
- Fix extra new lines across nodes
- Fix node-names to keep them generic

v8: https://lore.kernel.org/all/20230801070019.219660-1-j-choudhary@ti.com/

Changelog v7->v8:
- rebase on tag next-20230731
- add AM69 display support
- fix commit heading for patch [2/5]

v7: https://lore.kernel.org/all/20230728050859.7370-1-j-choudhary@ti.com/

Changelog v6->v7:
- change compatible for scm_conf to 'simple-bus'
- drop main_cpsw node due to driver dependency on [1]

v6: https://lore.kernel.org/all/20230721132029.123881-1-j-choudhary@ti.com/

Changelog v5->v6:
- Change header file according to [2].
- Add idle-state property in serdes_ln_ctrl node.
- Fix dtbs_check warning due to clock-frequency property in serdes_refclk
  node by disabling the node in main.dtsi and enabling it in board file
  when the clock-frequency node is actually added.

v5: https://lore.kernel.org/all/20230710101705.154119-1-j-choudhary@ti.com/

Changelog v4->v5:
- rebased the patches on linux-next tip.

v4: https://lore.kernel.org/all/20230425131607.290707-1-j-choudhary@ti.com/

Changelog v3->v4:
- add reg property to serdes_ln_ctrl and fix the node name again to
  get rid of dtbs_check error.
- reorder reg, reg-names and ranges property for main_cpsw1.
- correct the order for clocks in serdes_wiz nodes to fix dtbs_check
  warnings.
- fix indentation in reg, reg-names and clock property for dss node.
- add comments for the reg type in dss registers.

v3: https://lore.kernel.org/all/20230419061710.290068-1-j-choudhary@ti.com/

Changelog v3->v2:
- fix dtc warnings for 'scm_conf' and 'serdes_ln_ctrl' nodes
  (Checked all the changes of the series with W=12 option during build)
- added clock-frequency for serdes_refclk along with other EVM changes
  This refclk is being used by all the instances of serdes_wiz which
  are disabled by default. So configuring refclk when the serdes nodes
  are used for the first time is okay.

v2: https://lore.kernel.org/all/20230414151553.339599-1-j-choudhary@ti.com/

Changelog v1->v2:
- Moved J784S4 EVM changes together to the last patch
  (Suggested by Andrew)

v1: https://lore.kernel.org/all/20230405111412.151192-1-j-choudhary@ti.com/


[0]: <https://lore.kernel.org/all/570903b6-8239-d44a-5fac-71700804cb5d@ti.com/>
[1]: <https://lore.kernel.org/all/20230605154153.24025-1-afd@ti.com/>
[2]: <https://lore.kernel.org/all/20230721125732.122421-1-j-choudhary@ti.com/>

Dasnavis Sabiya (1):
  arm64: dts: ti: k3-am69-sk: Add DP and HDMI support

Rahul T R (2):
  arm64: dts: ti: k3-j784s4-main: Add DSS and DP-bridge node
  arm64: dts: ti: k3-j784s4-evm: Enable DisplayPort-0

Siddharth Vadapalli (2):
  arm64: dts: ti: k3-j784s4-main: Add system controller and SERDES lane
    mux
  arm64: dts: ti: k3-j784s4-main: Add WIZ and SERDES PHY nodes

 arch/arm64/boot/dts/ti/k3-am69-sk.dts      | 229 +++++++++++++++++
 arch/arm64/boot/dts/ti/k3-j784s4-evm.dts   | 119 +++++++++
 arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi | 276 +++++++++++++++++++++
 3 files changed, 624 insertions(+)

-- 
2.25.1


_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

^ permalink raw reply	[flat|nested] 16+ messages in thread
* [PATCH RESEND v11 0/5] Enable Display for J784S4 and AM69-SK platform
@ 2023-10-05 13:27 ` Jayesh Choudhary
  0 siblings, 0 replies; 16+ messages in thread
From: Jayesh Choudhary @ 2023-10-05 13:27 UTC (permalink / raw)
  To: nm, vigneshr, a-bhatia1
  Cc: afd, rogerq, s-vadapalli, conor+dt, r-ravikumar, sabiya.d,
	kristo, robh+dt, krzysztof.kozlowski+dt, devicetree,
	linux-kernel, linux-arm-kernel, j-choudhary

This series adds support for:
- DisplayPort for J784S4-EVM
- Displayport and HDMI for AM69-SK platform

NOTE: Patch 4/5 introduces the following dtc warning which can be ignored
since its behind W=1 check:
Warning (graph_child_address): /bus@100000/dss@4a00000/ports: graph node
has single child node 'port@0', #address-cells/#size-cells are not
necessary

(This is more accurate description for port and the dtc check should not
differentiate between port@0 and port@1.[0])

Changelog v10->v11:
- Added comment for disabling serdes-refclk (according to comments of v5)
- Update commit message to document why serdes, wiz nodes (2/5) and mhdp-
  bridge, tidss nodes (3/5) are disabled.
- Keep only ports in board files and move common properties to main file
  and document why ports are kept empty.

v10: https://lore.kernel.org/all/20230927121157.278592-1-j-choudhary@ti.com/

Changelog v9->v10:
- Remove duplicate properties from dp0_ports node in main file.
- Add reg for the port even though there is only single port in dss_port
  since its more accurate description for the port.
- Carry the R-by tags from v9.

v9: https://lore.kernel.org/all/20230803080441.367341-1-j-choudhary@ti.com/

Changelog v8->v9:
- Fix compatible of serdes_ln_ctrl node
- Fix extra new lines across nodes
- Fix node-names to keep them generic

v8: https://lore.kernel.org/all/20230801070019.219660-1-j-choudhary@ti.com/

Changelog v7->v8:
- rebase on tag next-20230731
- add AM69 display support
- fix commit heading for patch [2/5]

v7: https://lore.kernel.org/all/20230728050859.7370-1-j-choudhary@ti.com/

Changelog v6->v7:
- change compatible for scm_conf to 'simple-bus'
- drop main_cpsw node due to driver dependency on [1]

v6: https://lore.kernel.org/all/20230721132029.123881-1-j-choudhary@ti.com/

Changelog v5->v6:
- Change header file according to [2].
- Add idle-state property in serdes_ln_ctrl node.
- Fix dtbs_check warning due to clock-frequency property in serdes_refclk
  node by disabling the node in main.dtsi and enabling it in board file
  when the clock-frequency node is actually added.

v5: https://lore.kernel.org/all/20230710101705.154119-1-j-choudhary@ti.com/

Changelog v4->v5:
- rebased the patches on linux-next tip.

v4: https://lore.kernel.org/all/20230425131607.290707-1-j-choudhary@ti.com/

Changelog v3->v4:
- add reg property to serdes_ln_ctrl and fix the node name again to
  get rid of dtbs_check error.
- reorder reg, reg-names and ranges property for main_cpsw1.
- correct the order for clocks in serdes_wiz nodes to fix dtbs_check
  warnings.
- fix indentation in reg, reg-names and clock property for dss node.
- add comments for the reg type in dss registers.

v3: https://lore.kernel.org/all/20230419061710.290068-1-j-choudhary@ti.com/

Changelog v3->v2:
- fix dtc warnings for 'scm_conf' and 'serdes_ln_ctrl' nodes
  (Checked all the changes of the series with W=12 option during build)
- added clock-frequency for serdes_refclk along with other EVM changes
  This refclk is being used by all the instances of serdes_wiz which
  are disabled by default. So configuring refclk when the serdes nodes
  are used for the first time is okay.

v2: https://lore.kernel.org/all/20230414151553.339599-1-j-choudhary@ti.com/

Changelog v1->v2:
- Moved J784S4 EVM changes together to the last patch
  (Suggested by Andrew)

v1: https://lore.kernel.org/all/20230405111412.151192-1-j-choudhary@ti.com/


[0]: <https://lore.kernel.org/all/570903b6-8239-d44a-5fac-71700804cb5d@ti.com/>
[1]: <https://lore.kernel.org/all/20230605154153.24025-1-afd@ti.com/>
[2]: <https://lore.kernel.org/all/20230721125732.122421-1-j-choudhary@ti.com/>

Dasnavis Sabiya (1):
  arm64: dts: ti: k3-am69-sk: Add DP and HDMI support

Rahul T R (2):
  arm64: dts: ti: k3-j784s4-main: Add DSS and DP-bridge node
  arm64: dts: ti: k3-j784s4-evm: Enable DisplayPort-0

Siddharth Vadapalli (2):
  arm64: dts: ti: k3-j784s4-main: Add system controller and SERDES lane
    mux
  arm64: dts: ti: k3-j784s4-main: Add WIZ and SERDES PHY nodes

 arch/arm64/boot/dts/ti/k3-am69-sk.dts      | 229 +++++++++++++++++
 arch/arm64/boot/dts/ti/k3-j784s4-evm.dts   | 119 +++++++++
 arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi | 276 +++++++++++++++++++++
 3 files changed, 624 insertions(+)

-- 
2.25.1


^ permalink raw reply	[flat|nested] 16+ messages in thread
* [PATCH RESEND v11 1/5] arm64: dts: ti: k3-j784s4-main: Add system controller and SERDES lane mux
  2023-10-05 13:27 ` Jayesh Choudhary
  (?)
@ 2023-10-05 13:27 ` Jayesh Choudhary
  -1 siblings, 0 replies; 16+ messages in thread
From: Jayesh Choudhary @ 2023-10-05 13:27 UTC (permalink / raw)
  To: nm, vigneshr, a-bhatia1
  Cc: afd, rogerq, s-vadapalli, conor+dt, r-ravikumar, sabiya.d,
	kristo, robh+dt, krzysztof.kozlowski+dt, devicetree,
	linux-kernel, linux-arm-kernel, j-choudhary

From: Siddharth Vadapalli <s-vadapalli@ti.com>

The system controller node manages the CTRL_MMR0 region.
Add serdes_ln_ctrl node which is used for controlling the SERDES lane mux.

Signed-off-by: Siddharth Vadapalli <s-vadapalli@ti.com>
[j-choudhary@ti.com: Fix serdes_ln_ctrl node]
Signed-off-by: Jayesh Choudhary <j-choudhary@ti.com>
---
 arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi | 40 ++++++++++++++++++++++
 1 file changed, 40 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi b/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi
index efed2d683f63..6d9a5a91fa75 100644
--- a/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi
@@ -5,6 +5,10 @@
  * Copyright (C) 2022 Texas Instruments Incorporated - https://www.ti.com/
  */
 
+#include <dt-bindings/mux/mux.h>
+
+#include "k3-serdes.h"
+
 &cbass_main {
 	msmc_ram: sram@70000000 {
 		compatible = "mmio-sram";
@@ -26,6 +30,42 @@ l3cache-sram@200000 {
 		};
 	};
 
+	scm_conf: bus@100000 {
+		compatible = "simple-bus";
+		reg = <0x00 0x00100000 0x00 0x1c000>;
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges = <0x00 0x00 0x00100000 0x1c000>;
+
+		serdes_ln_ctrl: mux-controller@4080 {
+			compatible = "reg-mux";
+			reg = <0x00004080 0x30>;
+			#mux-control-cells = <1>;
+			mux-reg-masks = <0x4080 0x3>, <0x4084 0x3>, /* SERDES0 lane0/1 select */
+					<0x4088 0x3>, <0x408c 0x3>, /* SERDES0 lane2/3 select */
+					<0x4090 0x3>, <0x4094 0x3>, /* SERDES1 lane0/1 select */
+					<0x4098 0x3>, <0x409c 0x3>, /* SERDES1 lane2/3 select */
+					<0x40a0 0x3>, <0x40a4 0x3>, /* SERDES2 lane0/1 select */
+					<0x40a8 0x3>, <0x40ac 0x3>; /* SERDES2 lane2/3 select */
+			idle-states = <J784S4_SERDES0_LANE0_PCIE1_LANE0>,
+				      <J784S4_SERDES0_LANE1_PCIE1_LANE1>,
+				      <J784S4_SERDES0_LANE2_IP3_UNUSED>,
+				      <J784S4_SERDES0_LANE3_USB>,
+				      <J784S4_SERDES1_LANE0_PCIE0_LANE0>,
+				      <J784S4_SERDES1_LANE1_PCIE0_LANE1>,
+				      <J784S4_SERDES1_LANE2_PCIE0_LANE2>,
+				      <J784S4_SERDES1_LANE3_PCIE0_LANE3>,
+				      <J784S4_SERDES2_LANE0_IP2_UNUSED>,
+				      <J784S4_SERDES2_LANE1_IP2_UNUSED>,
+				      <J784S4_SERDES2_LANE2_QSGMII_LANE1>,
+				      <J784S4_SERDES2_LANE3_QSGMII_LANE2>,
+				      <J784S4_SERDES4_LANE0_EDP_LANE0>,
+				      <J784S4_SERDES4_LANE1_EDP_LANE1>,
+				      <J784S4_SERDES4_LANE2_EDP_LANE2>,
+				      <J784S4_SERDES4_LANE3_EDP_LANE3>;
+		};
+	};
+
 	gic500: interrupt-controller@1800000 {
 		compatible = "arm,gic-v3";
 		#address-cells = <2>;
-- 
2.25.1


^ permalink raw reply related	[flat|nested] 16+ messages in thread
* [PATCH RESEND v11 2/5] arm64: dts: ti: k3-j784s4-main: Add WIZ and SERDES PHY nodes
  2023-10-05 13:27 ` Jayesh Choudhary
  (?)
  (?)
@ 2023-10-05 13:27 ` Jayesh Choudhary
  -1 siblings, 0 replies; 16+ messages in thread
From: Jayesh Choudhary @ 2023-10-05 13:27 UTC (permalink / raw)
  To: nm, vigneshr, a-bhatia1
  Cc: afd, rogerq, s-vadapalli, conor+dt, r-ravikumar, sabiya.d,
	kristo, robh+dt, krzysztof.kozlowski+dt, devicetree,
	linux-kernel, linux-arm-kernel, j-choudhary

From: Siddharth Vadapalli <s-vadapalli@ti.com>

J784S4 SoC has 4 Serdes instances along with their respective WIZ
instances. Add device-tree nodes for them and disable them by default
as the node is incomplete and phy link properties will be added in
the platform dt file.

Signed-off-by: Siddharth Vadapalli <s-vadapalli@ti.com>
[j-choudhary@ti.com: fix serdes_wiz clock order & disable serdes refclk]
Signed-off-by: Jayesh Choudhary <j-choudhary@ti.com>
---
 arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi | 165 +++++++++++++++++++++
 1 file changed, 165 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi b/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi
index 6d9a5a91fa75..e20e26b76ffd 100644
--- a/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi
@@ -6,9 +6,20 @@
  */
 
 #include <dt-bindings/mux/mux.h>
+#include <dt-bindings/phy/phy.h>
+#include <dt-bindings/phy/phy-ti.h>
 
 #include "k3-serdes.h"
 
+/ {
+	serdes_refclk: clock-serdes {
+		#clock-cells = <0>;
+		compatible = "fixed-clock";
+		/* To be enabled when serdes_wiz* is functional */
+		status = "disabled";
+	};
+};
+
 &cbass_main {
 	msmc_ram: sram@70000000 {
 		compatible = "mmio-sram";
@@ -709,6 +720,160 @@ main_sdhci1: mmc@4fb0000 {
 		status = "disabled";
 	};
 
+	serdes_wiz0: wiz@5060000 {
+		compatible = "ti,j784s4-wiz-10g";
+		#address-cells = <1>;
+		#size-cells = <1>;
+		power-domains = <&k3_pds 404 TI_SCI_PD_EXCLUSIVE>;
+		clocks = <&k3_clks 404 2>, <&k3_clks 404 6>, <&serdes_refclk>, <&k3_clks 404 5>;
+		clock-names = "fck", "core_ref_clk", "ext_ref_clk", "core_ref1_clk";
+		assigned-clocks = <&k3_clks 404 6>;
+		assigned-clock-parents = <&k3_clks 404 10>;
+		num-lanes = <4>;
+		#reset-cells = <1>;
+		#clock-cells = <1>;
+		ranges = <0x5060000 0x00 0x5060000 0x10000>;
+		status = "disabled";
+
+		serdes0: serdes@5060000 {
+			compatible = "ti,j721e-serdes-10g";
+			reg = <0x05060000 0x010000>;
+			reg-names = "torrent_phy";
+			resets = <&serdes_wiz0 0>;
+			reset-names = "torrent_reset";
+			clocks = <&serdes_wiz0 TI_WIZ_PLL0_REFCLK>,
+				 <&serdes_wiz0 TI_WIZ_PHY_EN_REFCLK>;
+			clock-names = "refclk", "phy_en_refclk";
+			assigned-clocks = <&serdes_wiz0 TI_WIZ_PLL0_REFCLK>,
+					  <&serdes_wiz0 TI_WIZ_PLL1_REFCLK>,
+					  <&serdes_wiz0 TI_WIZ_REFCLK_DIG>;
+			assigned-clock-parents = <&k3_clks 404 6>,
+						 <&k3_clks 404 6>,
+						 <&k3_clks 404 6>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			#clock-cells = <1>;
+			status = "disabled";
+		};
+	};
+
+	serdes_wiz1: wiz@5070000 {
+		compatible = "ti,j784s4-wiz-10g";
+		#address-cells = <1>;
+		#size-cells = <1>;
+		power-domains = <&k3_pds 405 TI_SCI_PD_EXCLUSIVE>;
+		clocks = <&k3_clks 405 2>, <&k3_clks 405 6>, <&serdes_refclk>, <&k3_clks 405 5>;
+		clock-names = "fck", "core_ref_clk", "ext_ref_clk", "core_ref1_clk";
+		assigned-clocks = <&k3_clks 405 6>;
+		assigned-clock-parents = <&k3_clks 405 10>;
+		num-lanes = <4>;
+		#reset-cells = <1>;
+		#clock-cells = <1>;
+		ranges = <0x05070000 0x00 0x05070000 0x10000>;
+		status = "disabled";
+
+		serdes1: serdes@5070000 {
+			compatible = "ti,j721e-serdes-10g";
+			reg = <0x05070000 0x010000>;
+			reg-names = "torrent_phy";
+			resets = <&serdes_wiz1 0>;
+			reset-names = "torrent_reset";
+			clocks = <&serdes_wiz1 TI_WIZ_PLL0_REFCLK>,
+				 <&serdes_wiz1 TI_WIZ_PHY_EN_REFCLK>;
+			clock-names = "refclk", "phy_en_refclk";
+			assigned-clocks = <&serdes_wiz1 TI_WIZ_PLL0_REFCLK>,
+					  <&serdes_wiz1 TI_WIZ_PLL1_REFCLK>,
+					  <&serdes_wiz1 TI_WIZ_REFCLK_DIG>;
+			assigned-clock-parents = <&k3_clks 405 6>,
+						 <&k3_clks 405 6>,
+						 <&k3_clks 405 6>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			#clock-cells = <1>;
+			status = "disabled";
+		};
+	};
+
+	serdes_wiz2: wiz@5020000 {
+		compatible = "ti,j784s4-wiz-10g";
+		#address-cells = <1>;
+		#size-cells = <1>;
+		power-domains = <&k3_pds 406 TI_SCI_PD_EXCLUSIVE>;
+		clocks = <&k3_clks 406 2>, <&k3_clks 406 6>, <&serdes_refclk>, <&k3_clks 406 5>;
+		clock-names = "fck", "core_ref_clk", "ext_ref_clk", "core_ref1_clk";
+		assigned-clocks = <&k3_clks 406 6>;
+		assigned-clock-parents = <&k3_clks 406 10>;
+		num-lanes = <4>;
+		#reset-cells = <1>;
+		#clock-cells = <1>;
+		ranges = <0x05020000 0x00 0x05020000 0x10000>;
+		status = "disabled";
+
+		serdes2: serdes@5020000 {
+			compatible = "ti,j721e-serdes-10g";
+			reg = <0x05020000 0x010000>;
+			reg-names = "torrent_phy";
+			resets = <&serdes_wiz2 0>;
+			reset-names = "torrent_reset";
+			clocks = <&serdes_wiz2 TI_WIZ_PLL0_REFCLK>,
+				 <&serdes_wiz2 TI_WIZ_PHY_EN_REFCLK>;
+			clock-names = "refclk", "phy_en_refclk";
+			assigned-clocks = <&serdes_wiz2 TI_WIZ_PLL0_REFCLK>,
+					  <&serdes_wiz2 TI_WIZ_PLL1_REFCLK>,
+					  <&serdes_wiz2 TI_WIZ_REFCLK_DIG>;
+			assigned-clock-parents = <&k3_clks 406 6>,
+						 <&k3_clks 406 6>,
+						 <&k3_clks 406 6>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			#clock-cells = <1>;
+			status = "disabled";
+		};
+	};
+
+	serdes_wiz4: wiz@5050000 {
+		compatible = "ti,j784s4-wiz-10g";
+		#address-cells = <1>;
+		#size-cells = <1>;
+		power-domains = <&k3_pds 407 TI_SCI_PD_EXCLUSIVE>;
+		clocks = <&k3_clks 407 2>, <&k3_clks 407 6>, <&serdes_refclk>, <&k3_clks 407 5>;
+		clock-names = "fck", "core_ref_clk", "ext_ref_clk", "core_ref1_clk";
+		assigned-clocks = <&k3_clks 407 6>;
+		assigned-clock-parents = <&k3_clks 407 10>;
+		num-lanes = <4>;
+		#reset-cells = <1>;
+		#clock-cells = <1>;
+		ranges = <0x05050000 0x00 0x05050000 0x10000>,
+			 <0xa030a00 0x00 0xa030a00 0x40>; /* DPTX PHY */
+		status = "disabled";
+
+		serdes4: serdes@5050000 {
+			/*
+			 * Note: we also map DPTX PHY registers as the Torrent
+			 * needs to manage those.
+			 */
+			compatible = "ti,j721e-serdes-10g";
+			reg = <0x05050000 0x010000>,
+			      <0x0a030a00 0x40>; /* DPTX PHY */
+			reg-names = "torrent_phy";
+			resets = <&serdes_wiz4 0>;
+			reset-names = "torrent_reset";
+			clocks = <&serdes_wiz4 TI_WIZ_PLL0_REFCLK>,
+				 <&serdes_wiz4 TI_WIZ_PHY_EN_REFCLK>;
+			clock-names = "refclk", "phy_en_refclk";
+			assigned-clocks = <&serdes_wiz4 TI_WIZ_PLL0_REFCLK>,
+					  <&serdes_wiz4 TI_WIZ_PLL1_REFCLK>,
+					  <&serdes_wiz4 TI_WIZ_REFCLK_DIG>;
+			assigned-clock-parents = <&k3_clks 407 6>,
+						 <&k3_clks 407 6>,
+						 <&k3_clks 407 6>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			#clock-cells = <1>;
+			status = "disabled";
+		};
+	};
+
 	main_navss: bus@30000000 {
 		bootph-all;
 		compatible = "simple-bus";
-- 
2.25.1


^ permalink raw reply related	[flat|nested] 16+ messages in thread
* [PATCH RESEND v11 3/5] arm64: dts: ti: k3-j784s4-main: Add DSS and DP-bridge node
  2023-10-05 13:27 ` Jayesh Choudhary
@ 2023-10-05 13:27   ` Jayesh Choudhary
  -1 siblings, 0 replies; 16+ messages in thread
From: Jayesh Choudhary @ 2023-10-05 13:27 UTC (permalink / raw)
  To: nm, vigneshr, a-bhatia1
  Cc: afd, rogerq, s-vadapalli, conor+dt, r-ravikumar, sabiya.d,
	kristo, robh+dt, krzysztof.kozlowski+dt, devicetree,
	linux-kernel, linux-arm-kernel, j-choudhary

From: Rahul T R <r-ravikumar@ti.com>

Add DSS and DP-bridge node for J784S4 SoC. DSS IP in J784S4 is
same as DSS IP in J721E, so same compatible is being used.
The DP is Cadence MHDP8546.
Disable them by default as nodes are missing port definition
and phy link configurations which are added later in platform
dt file.

Signed-off-by: Rahul T R <r-ravikumar@ti.com>
[j-choudhary@ti.com: move dss & mhdp node together in main, fix dss node]
Signed-off-by: Jayesh Choudhary <j-choudhary@ti.com>
Reviewed-by: Aradhya Bhatia <a-bhatia1@ti.com>
---
 arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi | 71 ++++++++++++++++++++++
 1 file changed, 71 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi b/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi
index e20e26b76ffd..59451b8f063c 100644
--- a/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi
@@ -1773,4 +1773,75 @@ c71_3: dsp@67800000 {
 		firmware-name = "j784s4-c71_3-fw";
 		status = "disabled";
 	};
+
+	mhdp: bridge@a000000 {
+		compatible = "ti,j721e-mhdp8546";
+		reg = <0x0 0xa000000 0x0 0x30a00>,
+		      <0x0 0x4f40000 0x0 0x20>;
+		reg-names = "mhdptx", "j721e-intg";
+		clocks = <&k3_clks 217 11>;
+		interrupt-parent = <&gic500>;
+		interrupts = <GIC_SPI 614 IRQ_TYPE_LEVEL_HIGH>;
+		power-domains = <&k3_pds 217 TI_SCI_PD_EXCLUSIVE>;
+		status = "disabled";
+
+		dp0_ports: ports {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			/* Remote-endpoints are on the boards so
+			 * ports are defined in the platform dt file.
+			 */
+		};
+	};
+
+	dss: dss@4a00000 {
+		compatible = "ti,j721e-dss";
+		reg = <0x00 0x04a00000 0x00 0x10000>, /* common_m */
+		      <0x00 0x04a10000 0x00 0x10000>, /* common_s0*/
+		      <0x00 0x04b00000 0x00 0x10000>, /* common_s1*/
+		      <0x00 0x04b10000 0x00 0x10000>, /* common_s2*/
+		      <0x00 0x04a20000 0x00 0x10000>, /* vidl1 */
+		      <0x00 0x04a30000 0x00 0x10000>, /* vidl2 */
+		      <0x00 0x04a50000 0x00 0x10000>, /* vid1 */
+		      <0x00 0x04a60000 0x00 0x10000>, /* vid2 */
+		      <0x00 0x04a70000 0x00 0x10000>, /* ovr1 */
+		      <0x00 0x04a90000 0x00 0x10000>, /* ovr2 */
+		      <0x00 0x04ab0000 0x00 0x10000>, /* ovr3 */
+		      <0x00 0x04ad0000 0x00 0x10000>, /* ovr4 */
+		      <0x00 0x04a80000 0x00 0x10000>, /* vp1 */
+		      <0x00 0x04aa0000 0x00 0x10000>, /* vp1 */
+		      <0x00 0x04ac0000 0x00 0x10000>, /* vp1 */
+		      <0x00 0x04ae0000 0x00 0x10000>, /* vp4 */
+		      <0x00 0x04af0000 0x00 0x10000>; /* wb */
+		reg-names = "common_m", "common_s0",
+			    "common_s1", "common_s2",
+			    "vidl1", "vidl2","vid1","vid2",
+			    "ovr1", "ovr2", "ovr3", "ovr4",
+			    "vp1", "vp2", "vp3", "vp4",
+			    "wb";
+		clocks = <&k3_clks 218 0>,
+			 <&k3_clks 218 2>,
+			 <&k3_clks 218 5>,
+			 <&k3_clks 218 14>,
+			 <&k3_clks 218 18>;
+		clock-names = "fck", "vp1", "vp2", "vp3", "vp4";
+		power-domains = <&k3_pds 218 TI_SCI_PD_EXCLUSIVE>;
+		interrupts = <GIC_SPI 602 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 603 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 604 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 605 IRQ_TYPE_LEVEL_HIGH>;
+		interrupt-names = "common_m",
+				  "common_s0",
+				  "common_s1",
+				  "common_s2";
+		status = "disabled";
+
+		dss_ports: ports {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			/* Ports that DSS drives are platform specific
+			 * so they are defined in platform dt file.
+			 */
+		};
+	};
 };
-- 
2.25.1


_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

^ permalink raw reply related	[flat|nested] 16+ messages in thread
* [PATCH RESEND v11 3/5] arm64: dts: ti: k3-j784s4-main: Add DSS and DP-bridge node
@ 2023-10-05 13:27   ` Jayesh Choudhary
  0 siblings, 0 replies; 16+ messages in thread
From: Jayesh Choudhary @ 2023-10-05 13:27 UTC (permalink / raw)
  To: nm, vigneshr, a-bhatia1
  Cc: afd, rogerq, s-vadapalli, conor+dt, r-ravikumar, sabiya.d,
	kristo, robh+dt, krzysztof.kozlowski+dt, devicetree,
	linux-kernel, linux-arm-kernel, j-choudhary

From: Rahul T R <r-ravikumar@ti.com>

Add DSS and DP-bridge node for J784S4 SoC. DSS IP in J784S4 is
same as DSS IP in J721E, so same compatible is being used.
The DP is Cadence MHDP8546.
Disable them by default as nodes are missing port definition
and phy link configurations which are added later in platform
dt file.

Signed-off-by: Rahul T R <r-ravikumar@ti.com>
[j-choudhary@ti.com: move dss & mhdp node together in main, fix dss node]
Signed-off-by: Jayesh Choudhary <j-choudhary@ti.com>
Reviewed-by: Aradhya Bhatia <a-bhatia1@ti.com>
---
 arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi | 71 ++++++++++++++++++++++
 1 file changed, 71 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi b/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi
index e20e26b76ffd..59451b8f063c 100644
--- a/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi
@@ -1773,4 +1773,75 @@ c71_3: dsp@67800000 {
 		firmware-name = "j784s4-c71_3-fw";
 		status = "disabled";
 	};
+
+	mhdp: bridge@a000000 {
+		compatible = "ti,j721e-mhdp8546";
+		reg = <0x0 0xa000000 0x0 0x30a00>,
+		      <0x0 0x4f40000 0x0 0x20>;
+		reg-names = "mhdptx", "j721e-intg";
+		clocks = <&k3_clks 217 11>;
+		interrupt-parent = <&gic500>;
+		interrupts = <GIC_SPI 614 IRQ_TYPE_LEVEL_HIGH>;
+		power-domains = <&k3_pds 217 TI_SCI_PD_EXCLUSIVE>;
+		status = "disabled";
+
+		dp0_ports: ports {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			/* Remote-endpoints are on the boards so
+			 * ports are defined in the platform dt file.
+			 */
+		};
+	};
+
+	dss: dss@4a00000 {
+		compatible = "ti,j721e-dss";
+		reg = <0x00 0x04a00000 0x00 0x10000>, /* common_m */
+		      <0x00 0x04a10000 0x00 0x10000>, /* common_s0*/
+		      <0x00 0x04b00000 0x00 0x10000>, /* common_s1*/
+		      <0x00 0x04b10000 0x00 0x10000>, /* common_s2*/
+		      <0x00 0x04a20000 0x00 0x10000>, /* vidl1 */
+		      <0x00 0x04a30000 0x00 0x10000>, /* vidl2 */
+		      <0x00 0x04a50000 0x00 0x10000>, /* vid1 */
+		      <0x00 0x04a60000 0x00 0x10000>, /* vid2 */
+		      <0x00 0x04a70000 0x00 0x10000>, /* ovr1 */
+		      <0x00 0x04a90000 0x00 0x10000>, /* ovr2 */
+		      <0x00 0x04ab0000 0x00 0x10000>, /* ovr3 */
+		      <0x00 0x04ad0000 0x00 0x10000>, /* ovr4 */
+		      <0x00 0x04a80000 0x00 0x10000>, /* vp1 */
+		      <0x00 0x04aa0000 0x00 0x10000>, /* vp1 */
+		      <0x00 0x04ac0000 0x00 0x10000>, /* vp1 */
+		      <0x00 0x04ae0000 0x00 0x10000>, /* vp4 */
+		      <0x00 0x04af0000 0x00 0x10000>; /* wb */
+		reg-names = "common_m", "common_s0",
+			    "common_s1", "common_s2",
+			    "vidl1", "vidl2","vid1","vid2",
+			    "ovr1", "ovr2", "ovr3", "ovr4",
+			    "vp1", "vp2", "vp3", "vp4",
+			    "wb";
+		clocks = <&k3_clks 218 0>,
+			 <&k3_clks 218 2>,
+			 <&k3_clks 218 5>,
+			 <&k3_clks 218 14>,
+			 <&k3_clks 218 18>;
+		clock-names = "fck", "vp1", "vp2", "vp3", "vp4";
+		power-domains = <&k3_pds 218 TI_SCI_PD_EXCLUSIVE>;
+		interrupts = <GIC_SPI 602 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 603 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 604 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 605 IRQ_TYPE_LEVEL_HIGH>;
+		interrupt-names = "common_m",
+				  "common_s0",
+				  "common_s1",
+				  "common_s2";
+		status = "disabled";
+
+		dss_ports: ports {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			/* Ports that DSS drives are platform specific
+			 * so they are defined in platform dt file.
+			 */
+		};
+	};
 };
-- 
2.25.1


^ permalink raw reply related	[flat|nested] 16+ messages in thread
* [PATCH RESEND v11 4/5] arm64: dts: ti: k3-j784s4-evm: Enable DisplayPort-0
  2023-10-05 13:27 ` Jayesh Choudhary
@ 2023-10-05 13:27   ` Jayesh Choudhary
  -1 siblings, 0 replies; 16+ messages in thread
From: Jayesh Choudhary @ 2023-10-05 13:27 UTC (permalink / raw)
  To: nm, vigneshr, a-bhatia1
  Cc: afd, rogerq, s-vadapalli, conor+dt, r-ravikumar, sabiya.d,
	kristo, robh+dt, krzysztof.kozlowski+dt, devicetree,
	linux-kernel, linux-arm-kernel, j-choudhary

From: Rahul T R <r-ravikumar@ti.com>

Enable display for J784S4 EVM.

Add assigned clocks for DSS, DT node for DisplayPort PHY and pinmux for
DP HPD. Add the clock frequency for serdes_refclk.

Add the endpoint nodes to describe connection from:
DSS => MHDP => DisplayPort connector.

Also add the GPIO expander-4 node and pinmux for main_i2c4 which is
required for controlling DP power. Set status for all required nodes
for DP-0 as "okay".

Signed-off-by: Rahul T R <r-ravikumar@ti.com>
[j-choudhary@ti.com: move all the changes together to enable DP-0 in EVM]
Signed-off-by: Jayesh Choudhary <j-choudhary@ti.com>
Reviewed-by: Aradhya Bhatia <a-bhatia1@ti.com>
---
 arch/arm64/boot/dts/ti/k3-j784s4-evm.dts | 119 +++++++++++++++++++++++
 1 file changed, 119 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-j784s4-evm.dts b/arch/arm64/boot/dts/ti/k3-j784s4-evm.dts
index 5991c2e1d994..6f46a1ab179e 100644
--- a/arch/arm64/boot/dts/ti/k3-j784s4-evm.dts
+++ b/arch/arm64/boot/dts/ti/k3-j784s4-evm.dts
@@ -249,6 +249,28 @@ vdd_sd_dv: regulator-TLV71033 {
 		states = <1800000 0x0>,
 			 <3300000 0x1>;
 	};
+
+	dp0_pwr_3v3: regulator-dp0-prw {
+		compatible = "regulator-fixed";
+		regulator-name = "dp0-pwr";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		gpio = <&exp4 0 GPIO_ACTIVE_HIGH>;
+		enable-active-high;
+	};
+
+	dp0: connector-dp0 {
+		compatible = "dp-connector";
+		label = "DP0";
+		type = "full-size";
+		dp-pwr-supply = <&dp0_pwr_3v3>;
+
+		port {
+			dp0_connector_in: endpoint {
+				remote-endpoint = <&dp0_out>;
+			};
+		};
+	};
 };
 
 &main_pmx0 {
@@ -289,6 +311,19 @@ vdd_sd_dv_pins_default: vdd-sd-dv-default-pins {
 			J784S4_IOPAD(0x020, PIN_INPUT, 7) /* (AJ35) MCAN15_RX.GPIO0_8 */
 		>;
 	};
+
+	dp0_pins_default: dp0-default-pins {
+		pinctrl-single,pins = <
+			J784S4_IOPAD(0x0cc, PIN_INPUT, 12) /* (AM37) SPI0_CS0.DP0_HPD */
+		>;
+	};
+
+	main_i2c4_pins_default: main-i2c4-default-pins {
+		pinctrl-single,pins = <
+			J784S4_IOPAD(0x014, PIN_INPUT_PULLUP, 8) /* (AG33) MCAN14_TX.I2C4_SCL */
+			J784S4_IOPAD(0x010, PIN_INPUT_PULLUP, 8) /* (AH33) MCAN13_RX.I2C4_SDA */
+		>;
+	};
 };
 
 &wkup_pmx2 {
@@ -862,3 +897,87 @@ adc {
 		ti,adc-channels = <0 1 2 3 4 5 6 7>;
 	};
 };
+
+&serdes_refclk {
+	status = "okay";
+	clock-frequency = <100000000>;
+};
+
+&dss {
+	status = "okay";
+	assigned-clocks = <&k3_clks 218 2>,
+			  <&k3_clks 218 5>,
+			  <&k3_clks 218 14>,
+			  <&k3_clks 218 18>;
+	assigned-clock-parents = <&k3_clks 218 3>,
+				 <&k3_clks 218 7>,
+				 <&k3_clks 218 16>,
+				 <&k3_clks 218 22>;
+};
+
+&serdes_wiz4 {
+	status = "okay";
+};
+
+&serdes4 {
+	status = "okay";
+	serdes4_dp_link: phy@0 {
+		reg = <0>;
+		cdns,num-lanes = <4>;
+		#phy-cells = <0>;
+		cdns,phy-type = <PHY_TYPE_DP>;
+		resets = <&serdes_wiz4 1>, <&serdes_wiz4 2>,
+			 <&serdes_wiz4 3>, <&serdes_wiz4 4>;
+	};
+};
+
+&mhdp {
+	status = "okay";
+	pinctrl-names = "default";
+	pinctrl-0 = <&dp0_pins_default>;
+	phys = <&serdes4_dp_link>;
+	phy-names = "dpphy";
+};
+
+&dss_ports {
+	/* DP */
+	port@0 {
+		reg = <0>;
+
+		dpi0_out: endpoint {
+			remote-endpoint = <&dp0_in>;
+		};
+	};
+};
+
+&main_i2c4 {
+	status = "okay";
+	pinctrl-names = "default";
+	pinctrl-0 = <&main_i2c4_pins_default>;
+	clock-frequency = <400000>;
+
+	exp4: gpio@20 {
+		compatible = "ti,tca6408";
+		reg = <0x20>;
+		gpio-controller;
+		#gpio-cells = <2>;
+	};
+};
+
+&dp0_ports {
+	port@0 {
+		reg = <0>;
+
+		dp0_in: endpoint {
+			remote-endpoint = <&dpi0_out>;
+		};
+	};
+
+	port@4 {
+		reg = <4>;
+
+		dp0_out: endpoint {
+			remote-endpoint = <&dp0_connector_in>;
+		};
+	};
+};
-- 
2.25.1


_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

^ permalink raw reply related	[flat|nested] 16+ messages in thread
* [PATCH RESEND v11 4/5] arm64: dts: ti: k3-j784s4-evm: Enable DisplayPort-0
@ 2023-10-05 13:27   ` Jayesh Choudhary
  0 siblings, 0 replies; 16+ messages in thread
From: Jayesh Choudhary @ 2023-10-05 13:27 UTC (permalink / raw)
  To: nm, vigneshr, a-bhatia1
  Cc: afd, rogerq, s-vadapalli, conor+dt, r-ravikumar, sabiya.d,
	kristo, robh+dt, krzysztof.kozlowski+dt, devicetree,
	linux-kernel, linux-arm-kernel, j-choudhary

From: Rahul T R <r-ravikumar@ti.com>

Enable display for J784S4 EVM.

Add assigned clocks for DSS, DT node for DisplayPort PHY and pinmux for
DP HPD. Add the clock frequency for serdes_refclk.

Add the endpoint nodes to describe connection from:
DSS => MHDP => DisplayPort connector.

Also add the GPIO expander-4 node and pinmux for main_i2c4 which is
required for controlling DP power. Set status for all required nodes
for DP-0 as "okay".

Signed-off-by: Rahul T R <r-ravikumar@ti.com>
[j-choudhary@ti.com: move all the changes together to enable DP-0 in EVM]
Signed-off-by: Jayesh Choudhary <j-choudhary@ti.com>
Reviewed-by: Aradhya Bhatia <a-bhatia1@ti.com>
---
 arch/arm64/boot/dts/ti/k3-j784s4-evm.dts | 119 +++++++++++++++++++++++
 1 file changed, 119 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-j784s4-evm.dts b/arch/arm64/boot/dts/ti/k3-j784s4-evm.dts
index 5991c2e1d994..6f46a1ab179e 100644
--- a/arch/arm64/boot/dts/ti/k3-j784s4-evm.dts
+++ b/arch/arm64/boot/dts/ti/k3-j784s4-evm.dts
@@ -249,6 +249,28 @@ vdd_sd_dv: regulator-TLV71033 {
 		states = <1800000 0x0>,
 			 <3300000 0x1>;
 	};
+
+	dp0_pwr_3v3: regulator-dp0-prw {
+		compatible = "regulator-fixed";
+		regulator-name = "dp0-pwr";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		gpio = <&exp4 0 GPIO_ACTIVE_HIGH>;
+		enable-active-high;
+	};
+
+	dp0: connector-dp0 {
+		compatible = "dp-connector";
+		label = "DP0";
+		type = "full-size";
+		dp-pwr-supply = <&dp0_pwr_3v3>;
+
+		port {
+			dp0_connector_in: endpoint {
+				remote-endpoint = <&dp0_out>;
+			};
+		};
+	};
 };
 
 &main_pmx0 {
@@ -289,6 +311,19 @@ vdd_sd_dv_pins_default: vdd-sd-dv-default-pins {
 			J784S4_IOPAD(0x020, PIN_INPUT, 7) /* (AJ35) MCAN15_RX.GPIO0_8 */
 		>;
 	};
+
+	dp0_pins_default: dp0-default-pins {
+		pinctrl-single,pins = <
+			J784S4_IOPAD(0x0cc, PIN_INPUT, 12) /* (AM37) SPI0_CS0.DP0_HPD */
+		>;
+	};
+
+	main_i2c4_pins_default: main-i2c4-default-pins {
+		pinctrl-single,pins = <
+			J784S4_IOPAD(0x014, PIN_INPUT_PULLUP, 8) /* (AG33) MCAN14_TX.I2C4_SCL */
+			J784S4_IOPAD(0x010, PIN_INPUT_PULLUP, 8) /* (AH33) MCAN13_RX.I2C4_SDA */
+		>;
+	};
 };
 
 &wkup_pmx2 {
@@ -862,3 +897,87 @@ adc {
 		ti,adc-channels = <0 1 2 3 4 5 6 7>;
 	};
 };
+
+&serdes_refclk {
+	status = "okay";
+	clock-frequency = <100000000>;
+};
+
+&dss {
+	status = "okay";
+	assigned-clocks = <&k3_clks 218 2>,
+			  <&k3_clks 218 5>,
+			  <&k3_clks 218 14>,
+			  <&k3_clks 218 18>;
+	assigned-clock-parents = <&k3_clks 218 3>,
+				 <&k3_clks 218 7>,
+				 <&k3_clks 218 16>,
+				 <&k3_clks 218 22>;
+};
+
+&serdes_wiz4 {
+	status = "okay";
+};
+
+&serdes4 {
+	status = "okay";
+	serdes4_dp_link: phy@0 {
+		reg = <0>;
+		cdns,num-lanes = <4>;
+		#phy-cells = <0>;
+		cdns,phy-type = <PHY_TYPE_DP>;
+		resets = <&serdes_wiz4 1>, <&serdes_wiz4 2>,
+			 <&serdes_wiz4 3>, <&serdes_wiz4 4>;
+	};
+};
+
+&mhdp {
+	status = "okay";
+	pinctrl-names = "default";
+	pinctrl-0 = <&dp0_pins_default>;
+	phys = <&serdes4_dp_link>;
+	phy-names = "dpphy";
+};
+
+&dss_ports {
+	/* DP */
+	port@0 {
+		reg = <0>;
+
+		dpi0_out: endpoint {
+			remote-endpoint = <&dp0_in>;
+		};
+	};
+};
+
+&main_i2c4 {
+	status = "okay";
+	pinctrl-names = "default";
+	pinctrl-0 = <&main_i2c4_pins_default>;
+	clock-frequency = <400000>;
+
+	exp4: gpio@20 {
+		compatible = "ti,tca6408";
+		reg = <0x20>;
+		gpio-controller;
+		#gpio-cells = <2>;
+	};
+};
+
+&dp0_ports {
+	port@0 {
+		reg = <0>;
+
+		dp0_in: endpoint {
+			remote-endpoint = <&dpi0_out>;
+		};
+	};
+
+	port@4 {
+		reg = <4>;
+
+		dp0_out: endpoint {
+			remote-endpoint = <&dp0_connector_in>;
+		};
+	};
+};
-- 
2.25.1


^ permalink raw reply related	[flat|nested] 16+ messages in thread
* [PATCH RESEND v11 5/5] arm64: dts: ti: k3-am69-sk: Add DP and HDMI support
  2023-10-05 13:27 ` Jayesh Choudhary
@ 2023-10-05 13:27   ` Jayesh Choudhary
  -1 siblings, 0 replies; 16+ messages in thread
From: Jayesh Choudhary @ 2023-10-05 13:27 UTC (permalink / raw)
  To: nm, vigneshr, a-bhatia1
  Cc: afd, rogerq, s-vadapalli, conor+dt, r-ravikumar, sabiya.d,
	kristo, robh+dt, krzysztof.kozlowski+dt, devicetree,
	linux-kernel, linux-arm-kernel, j-choudhary

From: Dasnavis Sabiya <sabiya.d@ti.com>

AM69 starter kit features an HDMI port and an eDP port.

Add assigned clocks for DSS, DT node for DisplayPort PHY,
pinmux for HDMI hotplug and power down, mcu_i2c1 and dss_vout
for HDMI.
Also enable Serdes4 settings for DP display.

Add the endpoint nodes to describe connection from:
DSS => MHDP => DisplayPort connector
DSS => TI TFP410 DPI-to-DVI Bridge => HDMI connector

Signed-off-by: Dasnavis Sabiya <sabiya.d@ti.com>
[j-choudhary@ti.com: Fix dvi-bridge, dss, mhdp and serdes-refclk]
Signed-off-by: Jayesh Choudhary <j-choudhary@ti.com>
Reviewed-by: Aradhya Bhatia <a-bhatia1@ti.com>
---
 arch/arm64/boot/dts/ti/k3-am69-sk.dts | 229 ++++++++++++++++++++++++++
 1 file changed, 229 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-am69-sk.dts b/arch/arm64/boot/dts/ti/k3-am69-sk.dts
index bc1d21ff6d03..3dc98926f2e0 100644
--- a/arch/arm64/boot/dts/ti/k3-am69-sk.dts
+++ b/arch/arm64/boot/dts/ti/k3-am69-sk.dts
@@ -251,6 +251,76 @@ vdd_sd_dv: regulator-tlv71033 {
 		states = <1800000 0x0>,
 			 <3300000 0x1>;
 	};
+
+	dp0_pwr_3v3: regulator-dp0-pwr {
+		compatible = "regulator-fixed";
+		regulator-name = "dp0-pwr";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&dp_pwr_en_pins_default>;
+		gpio = <&main_gpio0 4 0>;	/* DP0_3V3 _EN */
+		enable-active-high;
+	};
+
+	dp0: connector-dp0 {
+		compatible = "dp-connector";
+		label = "DP0";
+		type = "full-size";
+		dp-pwr-supply = <&dp0_pwr_3v3>;
+
+		port {
+			dp0_connector_in: endpoint {
+				remote-endpoint = <&dp0_out>;
+			};
+		};
+	};
+
+	connector-hdmi {
+		compatible = "hdmi-connector";
+		label = "hdmi";
+		type = "a";
+		pinctrl-names = "default";
+		pinctrl-0 = <&hdmi_hpd_pins_default>;
+		ddc-i2c-bus = <&mcu_i2c1>;
+		hpd-gpios = <&main_gpio0 0 GPIO_ACTIVE_HIGH>;	/* HDMI_HPD */
+
+		port {
+			hdmi_connector_in: endpoint {
+				remote-endpoint = <&tfp410_out>;
+			};
+		};
+	};
+
+	bridge-dvi {
+		compatible = "ti,tfp410";
+		pinctrl-names = "default";
+		pinctrl-0 = <&hdmi_pdn_pins_default>;
+		powerdown-gpios = <&wkup_gpio0 14 GPIO_ACTIVE_LOW>;	/* HDMI_PDn */
+		ti,deskew = <0>;
+
+		ports {
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			port@0 {
+				reg = <0>;
+
+				tfp410_in: endpoint {
+					remote-endpoint = <&dpi1_out0>;
+					pclk-sample = <1>;
+				};
+			};
+
+			port@1 {
+				reg = <1>;
+
+				tfp410_out: endpoint {
+					remote-endpoint = <&hdmi_connector_in>;
+				};
+			};
+		};
+	};
 };
 
 &main_pmx0 {
@@ -308,6 +378,57 @@ J784S4_IOPAD(0x008, PIN_INPUT, 7) /* (AJ33) MCAN12_RX.GPIO0_2 */
 			J784S4_IOPAD(0x004, PIN_INPUT, 7) /* (AG36) MCAN12_TX.GPIO0_1 */
 		>;
 	};
+
+	dp0_pins_default: dp0-default-pins {
+		pinctrl-single,pins = <
+			J784S4_IOPAD(0x014, PIN_INPUT, 13) /* (AG33) MCAN14_TX.DP0_HPD */
+		>;
+	};
+
+	dp_pwr_en_pins_default: dp-pwr-en-default-pins {
+		pinctrl-single,pins = <
+			J784S4_IOPAD(0x010, PIN_INPUT, 7) /* (AH33) MCAN13_RX.GPIO0_4 */
+		>;
+	};
+
+	dss_vout0_pins_default: dss-vout0-default-pins {
+		pinctrl-single,pins = <
+			J784S4_IOPAD(0x074, PIN_OUTPUT, 2) /* (AC33) MCAN2_TX.VOUT0_DATA0 */
+			J784S4_IOPAD(0x070, PIN_OUTPUT, 2) /* (AH38) MCAN1_RX.VOUT0_DATA1 */
+			J784S4_IOPAD(0x07c, PIN_OUTPUT, 2) /* (AJ38) MCASP0_AXR3.VOUT0_DATA2 */
+			J784S4_IOPAD(0x068, PIN_OUTPUT, 2) /* (AE38) MCAN0_RX.VOUT0_DATA3 */
+			J784S4_IOPAD(0x064, PIN_OUTPUT, 2) /* (AF38) MCAN0_TX.VOUT0_DATA4 */
+			J784S4_IOPAD(0x060, PIN_OUTPUT, 2) /* (AE36) MCASP2_AXR1.VOUT0_DATA5 */
+			J784S4_IOPAD(0x05c, PIN_OUTPUT, 2) /* (AC36) MCASP2_AXR0.VOUT0_DATA6 */
+			J784S4_IOPAD(0x058, PIN_OUTPUT, 2) /* (AE37) MCASP2_AFSX.VOUT0_DATA7 */
+			J784S4_IOPAD(0x054, PIN_OUTPUT, 2) /* (AD37) MCASP2_ACLKX.VOUT0_DATA8 */
+			J784S4_IOPAD(0x050, PIN_OUTPUT, 2) /* (AC37) MCASP1_AXR2.VOUT0_DATA9 */
+			J784S4_IOPAD(0x04c, PIN_OUTPUT, 2) /* (AC32) MCASP1_AXR1.VOUT0_DATA10 */
+			J784S4_IOPAD(0x048, PIN_OUTPUT, 2) /* (AK33) MCASP0_AXR2.VOUT0_DATA11 */
+			J784S4_IOPAD(0x044, PIN_OUTPUT, 2) /* (AG37) MCASP0_AXR1.VOUT0_DATA12 */
+			J784S4_IOPAD(0x040, PIN_OUTPUT, 2) /* (AF37) MCASP0_AXR0.VOUT0_DATA13 */
+			J784S4_IOPAD(0x03c, PIN_OUTPUT, 2) /* (AK38) MCASP0_AFSX.VOUT0_DATA14 */
+			J784S4_IOPAD(0x038, PIN_OUTPUT, 2) /* (AK35) MCASP0_ACLKX.VOUT0_DATA15 */
+			J784S4_IOPAD(0x0c8, PIN_OUTPUT, 2) /* (AJ32) EXT_REFCLK1.VOUT0_DATA16 */
+			J784S4_IOPAD(0x030, PIN_OUTPUT, 2) /* (AK37) GPIO0_12.VOUT0_DATA17 */
+			J784S4_IOPAD(0x02c, PIN_OUTPUT, 2) /* (AL32) GPIO0_11.VOUT0_DATA18 */
+			J784S4_IOPAD(0x028, PIN_OUTPUT, 2) /* (AE33) MCAN16_RX.VOUT0_DATA19 */
+			J784S4_IOPAD(0x024, PIN_OUTPUT, 2) /* (AH34) MCAN16_TX.VOUT0_DATA20 */
+			J784S4_IOPAD(0x020, PIN_OUTPUT, 2) /* (AJ35) MCAN15_RX.VOUT0_DATA21 */
+			J784S4_IOPAD(0x01c, PIN_OUTPUT, 2) /* (AG34) MCAN15_TX.VOUT0_DATA22 */
+			J784S4_IOPAD(0x018, PIN_OUTPUT, 2) /* (AK36) MCAN14_RX.VOUT0_DATA23 */
+			J784S4_IOPAD(0x084, PIN_OUTPUT, 2) /* (AG38) MCASP0_AXR5.VOUT0_DE */
+			J784S4_IOPAD(0x080, PIN_OUTPUT, 2) /* (AK34) MCASP0_AXR4.VOUT0_HSYNC */
+			J784S4_IOPAD(0x078, PIN_OUTPUT, 2) /* (AH37) MCAN2_RX.VOUT0_PCLK */
+			J784S4_IOPAD(0x088, PIN_OUTPUT, 2) /* (AF36) MCASP0_AXR6.VOUT0_VSYNC */
+		>;
+	};
+
+	hdmi_hpd_pins_default: hdmi-hpd-default-pins {
+		pinctrl-single,pins = <
+			J784S4_IOPAD(0x000, PIN_INPUT, 7) /* (AN35) EXTINTN.GPIO0_0 */
+		>;
+	};
 };
 
 &wkup_pmx2 {
@@ -382,6 +503,21 @@ J784S4_WKUP_IOPAD(0x064, PIN_INPUT, 7) /* (J36) WKUP_GPIO0_3 */
 			J784S4_WKUP_IOPAD(0x11c, PIN_INPUT, 7) /* (M34) WKUP_GPIO0_67 */
 		>;
 	};
+
+	mcu_i2c1_pins_default: mcu-i2c1-default-pins {
+		pinctrl-single,pins = <
+			/* (L35) WKUP_GPIO0_8.MCU_I2C1_SCL */
+			J784S4_WKUP_IOPAD(0x078, PIN_INPUT_PULLUP, 0)
+			/* (L34) WKUP_GPIO0_9.MCU_I2C1_SDA */
+			J784S4_WKUP_IOPAD(0x07c, PIN_INPUT_PULLUP, 0)
+		>;
+	};
+
+	hdmi_pdn_pins_default: hdmi-pdn-default-pins {
+		pinctrl-single,pins = <
+			J784S4_WKUP_IOPAD(0x090, PIN_INPUT, 7) /* (H37) WKUP_GPIO0_14 */
+		>;
+	};
 };
 
 &wkup_pmx3 {
@@ -666,3 +802,96 @@ &c71_3 {
 	memory-region = <&c71_3_dma_memory_region>,
 			<&c71_3_memory_region>;
 };
+
+&wkup_gpio_intr {
+	status = "okay";
+};
+
+&mcu_i2c1 {
+	status = "okay";
+	pinctrl-names = "default";
+	pinctrl-0 = <&mcu_i2c1_pins_default>;
+	clock-frequency = <100000>;
+};
+
+&serdes_refclk {
+	status = "okay";
+	clock-frequency = <100000000>;
+};
+
+&dss {
+	status = "okay";
+	pinctrl-names = "default";
+	pinctrl-0 = <&dss_vout0_pins_default>;
+	assigned-clocks = <&k3_clks 218 2>,
+			  <&k3_clks 218 5>,
+			  <&k3_clks 218 14>,
+			  <&k3_clks 218 18>;
+	assigned-clock-parents = <&k3_clks 218 3>,
+				 <&k3_clks 218 7>,
+				 <&k3_clks 218 16>,
+				 <&k3_clks 218 22>;
+};
+
+&serdes_wiz4 {
+	status = "okay";
+};
+
+&serdes4 {
+	status = "okay";
+	serdes4_dp_link: phy@0 {
+		reg = <0>;
+		cdns,num-lanes = <4>;
+		#phy-cells = <0>;
+		cdns,phy-type = <PHY_TYPE_DP>;
+		resets = <&serdes_wiz4 1>, <&serdes_wiz4 2>,
+			 <&serdes_wiz4 3>, <&serdes_wiz4 4>;
+	};
+};
+
+&mhdp {
+	status = "okay";
+	pinctrl-names = "default";
+	pinctrl-0 = <&dp0_pins_default>;
+	phys = <&serdes4_dp_link>;
+	phy-names = "dpphy";
+};
+
+&dss_ports {
+	/* DP */
+	port@0 {
+		reg = <0>;
+
+		dpi0_out: endpoint {
+			remote-endpoint = <&dp0_in>;
+		};
+	};
+
+	/* HDMI */
+	port@1 {
+		reg = <1>;
+
+		dpi1_out0: endpoint {
+			remote-endpoint = <&tfp410_in>;
+		};
+	};
+};
+
+&dp0_ports {
+
+	port@0 {
+		reg = <0>;
+
+		dp0_in: endpoint {
+			remote-endpoint = <&dpi0_out>;
+		};
+	};
+
+	port@4 {
+		reg = <4>;
+
+		dp0_out: endpoint {
+			remote-endpoint = <&dp0_connector_in>;
+		};
+	};
+};
-- 
2.25.1


_______________________________________________
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linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

^ permalink raw reply related	[flat|nested] 16+ messages in thread
* [PATCH RESEND v11 5/5] arm64: dts: ti: k3-am69-sk: Add DP and HDMI support
@ 2023-10-05 13:27   ` Jayesh Choudhary
  0 siblings, 0 replies; 16+ messages in thread
From: Jayesh Choudhary @ 2023-10-05 13:27 UTC (permalink / raw)
  To: nm, vigneshr, a-bhatia1
  Cc: afd, rogerq, s-vadapalli, conor+dt, r-ravikumar, sabiya.d,
	kristo, robh+dt, krzysztof.kozlowski+dt, devicetree,
	linux-kernel, linux-arm-kernel, j-choudhary

From: Dasnavis Sabiya <sabiya.d@ti.com>

AM69 starter kit features an HDMI port and an eDP port.

Add assigned clocks for DSS, DT node for DisplayPort PHY,
pinmux for HDMI hotplug and power down, mcu_i2c1 and dss_vout
for HDMI.
Also enable Serdes4 settings for DP display.

Add the endpoint nodes to describe connection from:
DSS => MHDP => DisplayPort connector
DSS => TI TFP410 DPI-to-DVI Bridge => HDMI connector

Signed-off-by: Dasnavis Sabiya <sabiya.d@ti.com>
[j-choudhary@ti.com: Fix dvi-bridge, dss, mhdp and serdes-refclk]
Signed-off-by: Jayesh Choudhary <j-choudhary@ti.com>
Reviewed-by: Aradhya Bhatia <a-bhatia1@ti.com>
---
 arch/arm64/boot/dts/ti/k3-am69-sk.dts | 229 ++++++++++++++++++++++++++
 1 file changed, 229 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-am69-sk.dts b/arch/arm64/boot/dts/ti/k3-am69-sk.dts
index bc1d21ff6d03..3dc98926f2e0 100644
--- a/arch/arm64/boot/dts/ti/k3-am69-sk.dts
+++ b/arch/arm64/boot/dts/ti/k3-am69-sk.dts
@@ -251,6 +251,76 @@ vdd_sd_dv: regulator-tlv71033 {
 		states = <1800000 0x0>,
 			 <3300000 0x1>;
 	};
+
+	dp0_pwr_3v3: regulator-dp0-pwr {
+		compatible = "regulator-fixed";
+		regulator-name = "dp0-pwr";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&dp_pwr_en_pins_default>;
+		gpio = <&main_gpio0 4 0>;	/* DP0_3V3 _EN */
+		enable-active-high;
+	};
+
+	dp0: connector-dp0 {
+		compatible = "dp-connector";
+		label = "DP0";
+		type = "full-size";
+		dp-pwr-supply = <&dp0_pwr_3v3>;
+
+		port {
+			dp0_connector_in: endpoint {
+				remote-endpoint = <&dp0_out>;
+			};
+		};
+	};
+
+	connector-hdmi {
+		compatible = "hdmi-connector";
+		label = "hdmi";
+		type = "a";
+		pinctrl-names = "default";
+		pinctrl-0 = <&hdmi_hpd_pins_default>;
+		ddc-i2c-bus = <&mcu_i2c1>;
+		hpd-gpios = <&main_gpio0 0 GPIO_ACTIVE_HIGH>;	/* HDMI_HPD */
+
+		port {
+			hdmi_connector_in: endpoint {
+				remote-endpoint = <&tfp410_out>;
+			};
+		};
+	};
+
+	bridge-dvi {
+		compatible = "ti,tfp410";
+		pinctrl-names = "default";
+		pinctrl-0 = <&hdmi_pdn_pins_default>;
+		powerdown-gpios = <&wkup_gpio0 14 GPIO_ACTIVE_LOW>;	/* HDMI_PDn */
+		ti,deskew = <0>;
+
+		ports {
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			port@0 {
+				reg = <0>;
+
+				tfp410_in: endpoint {
+					remote-endpoint = <&dpi1_out0>;
+					pclk-sample = <1>;
+				};
+			};
+
+			port@1 {
+				reg = <1>;
+
+				tfp410_out: endpoint {
+					remote-endpoint = <&hdmi_connector_in>;
+				};
+			};
+		};
+	};
 };
 
 &main_pmx0 {
@@ -308,6 +378,57 @@ J784S4_IOPAD(0x008, PIN_INPUT, 7) /* (AJ33) MCAN12_RX.GPIO0_2 */
 			J784S4_IOPAD(0x004, PIN_INPUT, 7) /* (AG36) MCAN12_TX.GPIO0_1 */
 		>;
 	};
+
+	dp0_pins_default: dp0-default-pins {
+		pinctrl-single,pins = <
+			J784S4_IOPAD(0x014, PIN_INPUT, 13) /* (AG33) MCAN14_TX.DP0_HPD */
+		>;
+	};
+
+	dp_pwr_en_pins_default: dp-pwr-en-default-pins {
+		pinctrl-single,pins = <
+			J784S4_IOPAD(0x010, PIN_INPUT, 7) /* (AH33) MCAN13_RX.GPIO0_4 */
+		>;
+	};
+
+	dss_vout0_pins_default: dss-vout0-default-pins {
+		pinctrl-single,pins = <
+			J784S4_IOPAD(0x074, PIN_OUTPUT, 2) /* (AC33) MCAN2_TX.VOUT0_DATA0 */
+			J784S4_IOPAD(0x070, PIN_OUTPUT, 2) /* (AH38) MCAN1_RX.VOUT0_DATA1 */
+			J784S4_IOPAD(0x07c, PIN_OUTPUT, 2) /* (AJ38) MCASP0_AXR3.VOUT0_DATA2 */
+			J784S4_IOPAD(0x068, PIN_OUTPUT, 2) /* (AE38) MCAN0_RX.VOUT0_DATA3 */
+			J784S4_IOPAD(0x064, PIN_OUTPUT, 2) /* (AF38) MCAN0_TX.VOUT0_DATA4 */
+			J784S4_IOPAD(0x060, PIN_OUTPUT, 2) /* (AE36) MCASP2_AXR1.VOUT0_DATA5 */
+			J784S4_IOPAD(0x05c, PIN_OUTPUT, 2) /* (AC36) MCASP2_AXR0.VOUT0_DATA6 */
+			J784S4_IOPAD(0x058, PIN_OUTPUT, 2) /* (AE37) MCASP2_AFSX.VOUT0_DATA7 */
+			J784S4_IOPAD(0x054, PIN_OUTPUT, 2) /* (AD37) MCASP2_ACLKX.VOUT0_DATA8 */
+			J784S4_IOPAD(0x050, PIN_OUTPUT, 2) /* (AC37) MCASP1_AXR2.VOUT0_DATA9 */
+			J784S4_IOPAD(0x04c, PIN_OUTPUT, 2) /* (AC32) MCASP1_AXR1.VOUT0_DATA10 */
+			J784S4_IOPAD(0x048, PIN_OUTPUT, 2) /* (AK33) MCASP0_AXR2.VOUT0_DATA11 */
+			J784S4_IOPAD(0x044, PIN_OUTPUT, 2) /* (AG37) MCASP0_AXR1.VOUT0_DATA12 */
+			J784S4_IOPAD(0x040, PIN_OUTPUT, 2) /* (AF37) MCASP0_AXR0.VOUT0_DATA13 */
+			J784S4_IOPAD(0x03c, PIN_OUTPUT, 2) /* (AK38) MCASP0_AFSX.VOUT0_DATA14 */
+			J784S4_IOPAD(0x038, PIN_OUTPUT, 2) /* (AK35) MCASP0_ACLKX.VOUT0_DATA15 */
+			J784S4_IOPAD(0x0c8, PIN_OUTPUT, 2) /* (AJ32) EXT_REFCLK1.VOUT0_DATA16 */
+			J784S4_IOPAD(0x030, PIN_OUTPUT, 2) /* (AK37) GPIO0_12.VOUT0_DATA17 */
+			J784S4_IOPAD(0x02c, PIN_OUTPUT, 2) /* (AL32) GPIO0_11.VOUT0_DATA18 */
+			J784S4_IOPAD(0x028, PIN_OUTPUT, 2) /* (AE33) MCAN16_RX.VOUT0_DATA19 */
+			J784S4_IOPAD(0x024, PIN_OUTPUT, 2) /* (AH34) MCAN16_TX.VOUT0_DATA20 */
+			J784S4_IOPAD(0x020, PIN_OUTPUT, 2) /* (AJ35) MCAN15_RX.VOUT0_DATA21 */
+			J784S4_IOPAD(0x01c, PIN_OUTPUT, 2) /* (AG34) MCAN15_TX.VOUT0_DATA22 */
+			J784S4_IOPAD(0x018, PIN_OUTPUT, 2) /* (AK36) MCAN14_RX.VOUT0_DATA23 */
+			J784S4_IOPAD(0x084, PIN_OUTPUT, 2) /* (AG38) MCASP0_AXR5.VOUT0_DE */
+			J784S4_IOPAD(0x080, PIN_OUTPUT, 2) /* (AK34) MCASP0_AXR4.VOUT0_HSYNC */
+			J784S4_IOPAD(0x078, PIN_OUTPUT, 2) /* (AH37) MCAN2_RX.VOUT0_PCLK */
+			J784S4_IOPAD(0x088, PIN_OUTPUT, 2) /* (AF36) MCASP0_AXR6.VOUT0_VSYNC */
+		>;
+	};
+
+	hdmi_hpd_pins_default: hdmi-hpd-default-pins {
+		pinctrl-single,pins = <
+			J784S4_IOPAD(0x000, PIN_INPUT, 7) /* (AN35) EXTINTN.GPIO0_0 */
+		>;
+	};
 };
 
 &wkup_pmx2 {
@@ -382,6 +503,21 @@ J784S4_WKUP_IOPAD(0x064, PIN_INPUT, 7) /* (J36) WKUP_GPIO0_3 */
 			J784S4_WKUP_IOPAD(0x11c, PIN_INPUT, 7) /* (M34) WKUP_GPIO0_67 */
 		>;
 	};
+
+	mcu_i2c1_pins_default: mcu-i2c1-default-pins {
+		pinctrl-single,pins = <
+			/* (L35) WKUP_GPIO0_8.MCU_I2C1_SCL */
+			J784S4_WKUP_IOPAD(0x078, PIN_INPUT_PULLUP, 0)
+			/* (L34) WKUP_GPIO0_9.MCU_I2C1_SDA */
+			J784S4_WKUP_IOPAD(0x07c, PIN_INPUT_PULLUP, 0)
+		>;
+	};
+
+	hdmi_pdn_pins_default: hdmi-pdn-default-pins {
+		pinctrl-single,pins = <
+			J784S4_WKUP_IOPAD(0x090, PIN_INPUT, 7) /* (H37) WKUP_GPIO0_14 */
+		>;
+	};
 };
 
 &wkup_pmx3 {
@@ -666,3 +802,96 @@ &c71_3 {
 	memory-region = <&c71_3_dma_memory_region>,
 			<&c71_3_memory_region>;
 };
+
+&wkup_gpio_intr {
+	status = "okay";
+};
+
+&mcu_i2c1 {
+	status = "okay";
+	pinctrl-names = "default";
+	pinctrl-0 = <&mcu_i2c1_pins_default>;
+	clock-frequency = <100000>;
+};
+
+&serdes_refclk {
+	status = "okay";
+	clock-frequency = <100000000>;
+};
+
+&dss {
+	status = "okay";
+	pinctrl-names = "default";
+	pinctrl-0 = <&dss_vout0_pins_default>;
+	assigned-clocks = <&k3_clks 218 2>,
+			  <&k3_clks 218 5>,
+			  <&k3_clks 218 14>,
+			  <&k3_clks 218 18>;
+	assigned-clock-parents = <&k3_clks 218 3>,
+				 <&k3_clks 218 7>,
+				 <&k3_clks 218 16>,
+				 <&k3_clks 218 22>;
+};
+
+&serdes_wiz4 {
+	status = "okay";
+};
+
+&serdes4 {
+	status = "okay";
+	serdes4_dp_link: phy@0 {
+		reg = <0>;
+		cdns,num-lanes = <4>;
+		#phy-cells = <0>;
+		cdns,phy-type = <PHY_TYPE_DP>;
+		resets = <&serdes_wiz4 1>, <&serdes_wiz4 2>,
+			 <&serdes_wiz4 3>, <&serdes_wiz4 4>;
+	};
+};
+
+&mhdp {
+	status = "okay";
+	pinctrl-names = "default";
+	pinctrl-0 = <&dp0_pins_default>;
+	phys = <&serdes4_dp_link>;
+	phy-names = "dpphy";
+};
+
+&dss_ports {
+	/* DP */
+	port@0 {
+		reg = <0>;
+
+		dpi0_out: endpoint {
+			remote-endpoint = <&dp0_in>;
+		};
+	};
+
+	/* HDMI */
+	port@1 {
+		reg = <1>;
+
+		dpi1_out0: endpoint {
+			remote-endpoint = <&tfp410_in>;
+		};
+	};
+};
+
+&dp0_ports {
+
+	port@0 {
+		reg = <0>;
+
+		dp0_in: endpoint {
+			remote-endpoint = <&dpi0_out>;
+		};
+	};
+
+	port@4 {
+		reg = <4>;
+
+		dp0_out: endpoint {
+			remote-endpoint = <&dp0_connector_in>;
+		};
+	};
+};
-- 
2.25.1


^ permalink raw reply related	[flat|nested] 16+ messages in thread
* Re: [PATCH RESEND v11 0/5] Enable Display for J784S4 and AM69-SK platform
  2023-10-05 13:27 ` Jayesh Choudhary
@ 2023-10-06 10:20   ` Roger Quadros
  -1 siblings, 0 replies; 16+ messages in thread
From: Roger Quadros @ 2023-10-06 10:20 UTC (permalink / raw)
  To: Jayesh Choudhary, nm, vigneshr, a-bhatia1
  Cc: afd, s-vadapalli, conor+dt, r-ravikumar, sabiya.d, kristo,
	robh+dt, krzysztof.kozlowski+dt, devicetree, linux-kernel,
	linux-arm-kernel


On 05/10/2023 16:27, Jayesh Choudhary wrote:
> This series adds support for:
> - DisplayPort for J784S4-EVM
> - Displayport and HDMI for AM69-SK platform
> 
> NOTE: Patch 4/5 introduces the following dtc warning which can be ignored
> since its behind W=1 check:
> Warning (graph_child_address): /bus@100000/dss@4a00000/ports: graph node
> has single child node 'port@0', #address-cells/#size-cells are not
> necessary
> 
> (This is more accurate description for port and the dtc check should not
> differentiate between port@0 and port@1.[0])
> 
> Changelog v10->v11:
> - Added comment for disabling serdes-refclk (according to comments of v5)
> - Update commit message to document why serdes, wiz nodes (2/5) and mhdp-
>   bridge, tidss nodes (3/5) are disabled.
> - Keep only ports in board files and move common properties to main file
>   and document why ports are kept empty.
> 
> v10: https://lore.kernel.org/all/20230927121157.278592-1-j-choudhary@ti.com/
> 
> Changelog v9->v10:
> - Remove duplicate properties from dp0_ports node in main file.
> - Add reg for the port even though there is only single port in dss_port
>   since its more accurate description for the port.
> - Carry the R-by tags from v9.
> 
> v9: https://lore.kernel.org/all/20230803080441.367341-1-j-choudhary@ti.com/
> 
> Changelog v8->v9:
> - Fix compatible of serdes_ln_ctrl node
> - Fix extra new lines across nodes
> - Fix node-names to keep them generic
> 
> v8: https://lore.kernel.org/all/20230801070019.219660-1-j-choudhary@ti.com/
> 
> Changelog v7->v8:
> - rebase on tag next-20230731
> - add AM69 display support
> - fix commit heading for patch [2/5]
> 
> v7: https://lore.kernel.org/all/20230728050859.7370-1-j-choudhary@ti.com/
> 
> Changelog v6->v7:
> - change compatible for scm_conf to 'simple-bus'
> - drop main_cpsw node due to driver dependency on [1]
> 
> v6: https://lore.kernel.org/all/20230721132029.123881-1-j-choudhary@ti.com/
> 
> Changelog v5->v6:
> - Change header file according to [2].
> - Add idle-state property in serdes_ln_ctrl node.
> - Fix dtbs_check warning due to clock-frequency property in serdes_refclk
>   node by disabling the node in main.dtsi and enabling it in board file
>   when the clock-frequency node is actually added.
> 
> v5: https://lore.kernel.org/all/20230710101705.154119-1-j-choudhary@ti.com/
> 
> Changelog v4->v5:
> - rebased the patches on linux-next tip.
> 
> v4: https://lore.kernel.org/all/20230425131607.290707-1-j-choudhary@ti.com/
> 
> Changelog v3->v4:
> - add reg property to serdes_ln_ctrl and fix the node name again to
>   get rid of dtbs_check error.
> - reorder reg, reg-names and ranges property for main_cpsw1.
> - correct the order for clocks in serdes_wiz nodes to fix dtbs_check
>   warnings.
> - fix indentation in reg, reg-names and clock property for dss node.
> - add comments for the reg type in dss registers.
> 
> v3: https://lore.kernel.org/all/20230419061710.290068-1-j-choudhary@ti.com/
> 
> Changelog v3->v2:
> - fix dtc warnings for 'scm_conf' and 'serdes_ln_ctrl' nodes
>   (Checked all the changes of the series with W=12 option during build)
> - added clock-frequency for serdes_refclk along with other EVM changes
>   This refclk is being used by all the instances of serdes_wiz which
>   are disabled by default. So configuring refclk when the serdes nodes
>   are used for the first time is okay.
> 
> v2: https://lore.kernel.org/all/20230414151553.339599-1-j-choudhary@ti.com/
> 
> Changelog v1->v2:
> - Moved J784S4 EVM changes together to the last patch
>   (Suggested by Andrew)
> 
> v1: https://lore.kernel.org/all/20230405111412.151192-1-j-choudhary@ti.com/
> 
> 
> [0]: <https://lore.kernel.org/all/570903b6-8239-d44a-5fac-71700804cb5d@ti.com/>
> [1]: <https://lore.kernel.org/all/20230605154153.24025-1-afd@ti.com/>
> [2]: <https://lore.kernel.org/all/20230721125732.122421-1-j-choudhary@ti.com/>
> 
> Dasnavis Sabiya (1):
>   arm64: dts: ti: k3-am69-sk: Add DP and HDMI support
> 
> Rahul T R (2):
>   arm64: dts: ti: k3-j784s4-main: Add DSS and DP-bridge node
>   arm64: dts: ti: k3-j784s4-evm: Enable DisplayPort-0
> 
> Siddharth Vadapalli (2):
>   arm64: dts: ti: k3-j784s4-main: Add system controller and SERDES lane
>     mux
>   arm64: dts: ti: k3-j784s4-main: Add WIZ and SERDES PHY nodes
> 
>  arch/arm64/boot/dts/ti/k3-am69-sk.dts      | 229 +++++++++++++++++
>  arch/arm64/boot/dts/ti/k3-j784s4-evm.dts   | 119 +++++++++
>  arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi | 276 +++++++++++++++++++++
>  3 files changed, 624 insertions(+)
> 

For this series:

Reviewed-by: Roger Quadros <rogerq@kernel.org>

^ permalink raw reply	[flat|nested] 16+ messages in thread
* Re: [PATCH RESEND v11 0/5] Enable Display for J784S4 and AM69-SK platform
@ 2023-10-06 10:20   ` Roger Quadros
  0 siblings, 0 replies; 16+ messages in thread
From: Roger Quadros @ 2023-10-06 10:20 UTC (permalink / raw)
  To: Jayesh Choudhary, nm, vigneshr, a-bhatia1
  Cc: afd, s-vadapalli, conor+dt, r-ravikumar, sabiya.d, kristo,
	robh+dt, krzysztof.kozlowski+dt, devicetree, linux-kernel,
	linux-arm-kernel


On 05/10/2023 16:27, Jayesh Choudhary wrote:
> This series adds support for:
> - DisplayPort for J784S4-EVM
> - Displayport and HDMI for AM69-SK platform
> 
> NOTE: Patch 4/5 introduces the following dtc warning which can be ignored
> since its behind W=1 check:
> Warning (graph_child_address): /bus@100000/dss@4a00000/ports: graph node
> has single child node 'port@0', #address-cells/#size-cells are not
> necessary
> 
> (This is more accurate description for port and the dtc check should not
> differentiate between port@0 and port@1.[0])
> 
> Changelog v10->v11:
> - Added comment for disabling serdes-refclk (according to comments of v5)
> - Update commit message to document why serdes, wiz nodes (2/5) and mhdp-
>   bridge, tidss nodes (3/5) are disabled.
> - Keep only ports in board files and move common properties to main file
>   and document why ports are kept empty.
> 
> v10: https://lore.kernel.org/all/20230927121157.278592-1-j-choudhary@ti.com/
> 
> Changelog v9->v10:
> - Remove duplicate properties from dp0_ports node in main file.
> - Add reg for the port even though there is only single port in dss_port
>   since its more accurate description for the port.
> - Carry the R-by tags from v9.
> 
> v9: https://lore.kernel.org/all/20230803080441.367341-1-j-choudhary@ti.com/
> 
> Changelog v8->v9:
> - Fix compatible of serdes_ln_ctrl node
> - Fix extra new lines across nodes
> - Fix node-names to keep them generic
> 
> v8: https://lore.kernel.org/all/20230801070019.219660-1-j-choudhary@ti.com/
> 
> Changelog v7->v8:
> - rebase on tag next-20230731
> - add AM69 display support
> - fix commit heading for patch [2/5]
> 
> v7: https://lore.kernel.org/all/20230728050859.7370-1-j-choudhary@ti.com/
> 
> Changelog v6->v7:
> - change compatible for scm_conf to 'simple-bus'
> - drop main_cpsw node due to driver dependency on [1]
> 
> v6: https://lore.kernel.org/all/20230721132029.123881-1-j-choudhary@ti.com/
> 
> Changelog v5->v6:
> - Change header file according to [2].
> - Add idle-state property in serdes_ln_ctrl node.
> - Fix dtbs_check warning due to clock-frequency property in serdes_refclk
>   node by disabling the node in main.dtsi and enabling it in board file
>   when the clock-frequency node is actually added.
> 
> v5: https://lore.kernel.org/all/20230710101705.154119-1-j-choudhary@ti.com/
> 
> Changelog v4->v5:
> - rebased the patches on linux-next tip.
> 
> v4: https://lore.kernel.org/all/20230425131607.290707-1-j-choudhary@ti.com/
> 
> Changelog v3->v4:
> - add reg property to serdes_ln_ctrl and fix the node name again to
>   get rid of dtbs_check error.
> - reorder reg, reg-names and ranges property for main_cpsw1.
> - correct the order for clocks in serdes_wiz nodes to fix dtbs_check
>   warnings.
> - fix indentation in reg, reg-names and clock property for dss node.
> - add comments for the reg type in dss registers.
> 
> v3: https://lore.kernel.org/all/20230419061710.290068-1-j-choudhary@ti.com/
> 
> Changelog v3->v2:
> - fix dtc warnings for 'scm_conf' and 'serdes_ln_ctrl' nodes
>   (Checked all the changes of the series with W=12 option during build)
> - added clock-frequency for serdes_refclk along with other EVM changes
>   This refclk is being used by all the instances of serdes_wiz which
>   are disabled by default. So configuring refclk when the serdes nodes
>   are used for the first time is okay.
> 
> v2: https://lore.kernel.org/all/20230414151553.339599-1-j-choudhary@ti.com/
> 
> Changelog v1->v2:
> - Moved J784S4 EVM changes together to the last patch
>   (Suggested by Andrew)
> 
> v1: https://lore.kernel.org/all/20230405111412.151192-1-j-choudhary@ti.com/
> 
> 
> [0]: <https://lore.kernel.org/all/570903b6-8239-d44a-5fac-71700804cb5d@ti.com/>
> [1]: <https://lore.kernel.org/all/20230605154153.24025-1-afd@ti.com/>
> [2]: <https://lore.kernel.org/all/20230721125732.122421-1-j-choudhary@ti.com/>
> 
> Dasnavis Sabiya (1):
>   arm64: dts: ti: k3-am69-sk: Add DP and HDMI support
> 
> Rahul T R (2):
>   arm64: dts: ti: k3-j784s4-main: Add DSS and DP-bridge node
>   arm64: dts: ti: k3-j784s4-evm: Enable DisplayPort-0
> 
> Siddharth Vadapalli (2):
>   arm64: dts: ti: k3-j784s4-main: Add system controller and SERDES lane
>     mux
>   arm64: dts: ti: k3-j784s4-main: Add WIZ and SERDES PHY nodes
> 
>  arch/arm64/boot/dts/ti/k3-am69-sk.dts      | 229 +++++++++++++++++
>  arch/arm64/boot/dts/ti/k3-j784s4-evm.dts   | 119 +++++++++
>  arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi | 276 +++++++++++++++++++++
>  3 files changed, 624 insertions(+)
> 

For this series:

Reviewed-by: Roger Quadros <rogerq@kernel.org>

_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

^ permalink raw reply	[flat|nested] 16+ messages in thread
* Re: [PATCH RESEND v11 0/5] Enable Display for J784S4 and AM69-SK platform
  2023-10-05 13:27 ` Jayesh Choudhary
@ 2023-10-13  5:01   ` Vignesh Raghavendra
  -1 siblings, 0 replies; 16+ messages in thread
From: Vignesh Raghavendra @ 2023-10-13  5:01 UTC (permalink / raw)
  To: Jayesh Choudhary, nm, a-bhatia1
  Cc: afd, rogerq, s-vadapalli, conor+dt, r-ravikumar, sabiya.d,
	kristo, robh+dt, krzysztof.kozlowski+dt, devicetree,
	linux-kernel, linux-arm-kernel



On 05/10/23 18:57, Jayesh Choudhary wrote:
> This series adds support for:
> - DisplayPort for J784S4-EVM
> - Displayport and HDMI for AM69-SK platform
> 
> NOTE: Patch 4/5 introduces the following dtc warning which can be ignored
> since its behind W=1 check:
> Warning (graph_child_address): /bus@100000/dss@4a00000/ports: graph node
> has single child node 'port@0', #address-cells/#size-cells are not
> necessary
>> (This is more accurate description for port and the dtc check should not
> differentiate between port@0 and port@1.[0])
> 

Sorry, don't want to more warnings to the file while we are working
constantly to reduce warnings on the other side. There are 3 options

a) Propose fix to dtc
b) Minimally describe second port (DSI) and it keep disabled as its
unusable currently (this more closely describes the HW and the reason
why port indexing is needed in first place)
c) Go back to v9 and describe second port once DSI supported is added in
future,

[...]

-- 
Regards
Vignesh

_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

^ permalink raw reply	[flat|nested] 16+ messages in thread
* Re: [PATCH RESEND v11 0/5] Enable Display for J784S4 and AM69-SK platform
@ 2023-10-13  5:01   ` Vignesh Raghavendra
  0 siblings, 0 replies; 16+ messages in thread
From: Vignesh Raghavendra @ 2023-10-13  5:01 UTC (permalink / raw)
  To: Jayesh Choudhary, nm, a-bhatia1
  Cc: afd, rogerq, s-vadapalli, conor+dt, r-ravikumar, sabiya.d,
	kristo, robh+dt, krzysztof.kozlowski+dt, devicetree,
	linux-kernel, linux-arm-kernel



On 05/10/23 18:57, Jayesh Choudhary wrote:
> This series adds support for:
> - DisplayPort for J784S4-EVM
> - Displayport and HDMI for AM69-SK platform
> 
> NOTE: Patch 4/5 introduces the following dtc warning which can be ignored
> since its behind W=1 check:
> Warning (graph_child_address): /bus@100000/dss@4a00000/ports: graph node
> has single child node 'port@0', #address-cells/#size-cells are not
> necessary
>> (This is more accurate description for port and the dtc check should not
> differentiate between port@0 and port@1.[0])
> 

Sorry, don't want to more warnings to the file while we are working
constantly to reduce warnings on the other side. There are 3 options

a) Propose fix to dtc
b) Minimally describe second port (DSI) and it keep disabled as its
unusable currently (this more closely describes the HW and the reason
why port indexing is needed in first place)
c) Go back to v9 and describe second port once DSI supported is added in
future,

[...]

-- 
Regards
Vignesh

^ permalink raw reply	[flat|nested] 16+ messages in thread
* Re: [PATCH RESEND v11 0/5] Enable Display for J784S4 and AM69-SK platform
  2023-10-13  5:01   ` Vignesh Raghavendra
@ 2023-10-13  9:08     ` Aradhya Bhatia
  -1 siblings, 0 replies; 16+ messages in thread
From: Aradhya Bhatia @ 2023-10-13  9:08 UTC (permalink / raw)
  To: Vignesh Raghavendra, Jayesh Choudhary, nm
  Cc: afd, rogerq, s-vadapalli, conor+dt, r-ravikumar, sabiya.d,
	kristo, robh+dt, krzysztof.kozlowski+dt, devicetree,
	linux-kernel, linux-arm-kernel



On 13/10/23 10:31, Vignesh Raghavendra wrote:
> 
> 
> On 05/10/23 18:57, Jayesh Choudhary wrote:
>> This series adds support for:
>> - DisplayPort for J784S4-EVM
>> - Displayport and HDMI for AM69-SK platform
>>
>> NOTE: Patch 4/5 introduces the following dtc warning which can be ignored
>> since its behind W=1 check:
>> Warning (graph_child_address): /bus@100000/dss@4a00000/ports: graph node
>> has single child node 'port@0', #address-cells/#size-cells are not
>> necessary
>>> (This is more accurate description for port and the dtc check should not
>> differentiate between port@0 and port@1.[0])
>>
> 
> Sorry, don't want to more warnings to the file while we are working
> constantly to reduce warnings on the other side. There are 3 options
> 
> a) Propose fix to dtc
> b) Minimally describe second port (DSI) and it keep disabled as its
> unusable currently (this more closely describes the HW and the reason
> why port indexing is needed in first place)
> c) Go back to v9 and describe second port once DSI supported is added in
> future,
> 
> [...]
> 

Posted a fix for the warning here,

https://lore.kernel.org/all/20231013085424.7137-1-a-bhatia1@ti.com/

Regards
Aradhya

^ permalink raw reply	[flat|nested] 16+ messages in thread
* Re: [PATCH RESEND v11 0/5] Enable Display for J784S4 and AM69-SK platform
@ 2023-10-13  9:08     ` Aradhya Bhatia
  0 siblings, 0 replies; 16+ messages in thread
From: Aradhya Bhatia @ 2023-10-13  9:08 UTC (permalink / raw)
  To: Vignesh Raghavendra, Jayesh Choudhary, nm
  Cc: afd, rogerq, s-vadapalli, conor+dt, r-ravikumar, sabiya.d,
	kristo, robh+dt, krzysztof.kozlowski+dt, devicetree,
	linux-kernel, linux-arm-kernel



On 13/10/23 10:31, Vignesh Raghavendra wrote:
> 
> 
> On 05/10/23 18:57, Jayesh Choudhary wrote:
>> This series adds support for:
>> - DisplayPort for J784S4-EVM
>> - Displayport and HDMI for AM69-SK platform
>>
>> NOTE: Patch 4/5 introduces the following dtc warning which can be ignored
>> since its behind W=1 check:
>> Warning (graph_child_address): /bus@100000/dss@4a00000/ports: graph node
>> has single child node 'port@0', #address-cells/#size-cells are not
>> necessary
>>> (This is more accurate description for port and the dtc check should not
>> differentiate between port@0 and port@1.[0])
>>
> 
> Sorry, don't want to more warnings to the file while we are working
> constantly to reduce warnings on the other side. There are 3 options
> 
> a) Propose fix to dtc
> b) Minimally describe second port (DSI) and it keep disabled as its
> unusable currently (this more closely describes the HW and the reason
> why port indexing is needed in first place)
> c) Go back to v9 and describe second port once DSI supported is added in
> future,
> 
> [...]
> 

Posted a fix for the warning here,

https://lore.kernel.org/all/20231013085424.7137-1-a-bhatia1@ti.com/

Regards
Aradhya

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linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

^ permalink raw reply	[flat|nested] 16+ messages in thread
end of thread, other threads:[~2023-10-13  9:09 UTC | newest]

Thread overview: 16+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2023-10-05 13:27 [PATCH RESEND v11 0/5] Enable Display for J784S4 and AM69-SK platform Jayesh Choudhary
2023-10-05 13:27 ` Jayesh Choudhary
2023-10-05 13:27 ` [PATCH RESEND v11 1/5] arm64: dts: ti: k3-j784s4-main: Add system controller and SERDES lane mux Jayesh Choudhary
2023-10-05 13:27 ` [PATCH RESEND v11 2/5] arm64: dts: ti: k3-j784s4-main: Add WIZ and SERDES PHY nodes Jayesh Choudhary
2023-10-05 13:27 ` [PATCH RESEND v11 3/5] arm64: dts: ti: k3-j784s4-main: Add DSS and DP-bridge node Jayesh Choudhary
2023-10-05 13:27   ` Jayesh Choudhary
2023-10-05 13:27 ` [PATCH RESEND v11 4/5] arm64: dts: ti: k3-j784s4-evm: Enable DisplayPort-0 Jayesh Choudhary
2023-10-05 13:27   ` Jayesh Choudhary
2023-10-05 13:27 ` [PATCH RESEND v11 5/5] arm64: dts: ti: k3-am69-sk: Add DP and HDMI support Jayesh Choudhary
2023-10-05 13:27   ` Jayesh Choudhary
2023-10-06 10:20 ` [PATCH RESEND v11 0/5] Enable Display for J784S4 and AM69-SK platform Roger Quadros
2023-10-06 10:20   ` Roger Quadros
2023-10-13  5:01 ` Vignesh Raghavendra
2023-10-13  5:01   ` Vignesh Raghavendra
2023-10-13  9:08   ` Aradhya Bhatia
2023-10-13  9:08     ` Aradhya Bhatia

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