linux-arm-kernel.lists.infradead.org archive mirror
 help / color / mirror / Atom feed
From: Leonard Crestez <leonard.crestez@nxp.com>
To: Georgi Djakov <georgi.djakov@linaro.org>,
	Rob Herring <robh+dt@kernel.org>,
	Chanwoo Choi <cw00.choi@samsung.com>
Cc: "Mark Rutland" <mark.rutland@arm.com>,
	"Artur Świgoń" <a.swigon@partner.samsung.com>,
	"Jacky Bai" <ping.bai@nxp.com>,
	"Rafael J. Wysocki" <rafael@kernel.org>,
	"Viresh Kumar" <viresh.kumar@linaro.org>,
	"Michael Turquette" <mturquette@baylibre.com>,
	"Angus Ainslie" <angus@akkea.ca>,
	"MyungJoo Ham" <myungjoo.ham@samsung.com>,
	"Abel Vesa" <abel.vesa@nxp.com>,
	"Anson Huang" <Anson.Huang@nxp.com>,
	"Krzysztof Kozlowski" <krzk@kernel.org>,
	"Matthias Kaehlcke" <mka@chromium.org>,
	linux-imx@nxp.com, devicetree@vger.kernel.org,
	linux-pm@vger.kernel.org, "Martin Kepplinger" <martink@posteo.de>,
	linux-arm-kernel@lists.infradead.org,
	"Dong Aisheng" <aisheng.dong@nxp.com>,
	"Saravana Kannan" <saravanak@google.com>,
	"Stephen Boyd" <sboyd@kernel.org>,
	"Kyungmin Park" <kyungmin.park@samsung.com>,
	kernel@pengutronix.de, "Fabio Estevam" <fabio.estevam@nxp.com>,
	"Shawn Guo" <shawnguo@kernel.org>,
	"Alexandre Bailon" <abailon@baylibre.com>
Subject: [PATCH RFC v5 10/10] arm64: dts: imx8m: Add interconnect provider properties
Date: Fri,  1 Nov 2019 00:52:09 +0200	[thread overview]
Message-ID: <0023fc7eb7ab2375af08bf0f38dd55c02bb075d2.1572562150.git.leonard.crestez@nxp.com> (raw)
In-Reply-To: <cover.1572562150.git.leonard.crestez@nxp.com>
In-Reply-To: <cover.1572562150.git.leonard.crestez@nxp.com>

Add #interconnect-cells on main &noc so that it will probe the platform
interconnect providers. Other devices can request icc_paths like this:

	interconnects = <&noc BUS_MASTER_ID &noc BUS_SLAVE_ID>

And interconnect-node-id properties on &noc and &ddrc, the interconnect
provider will scan these and make PM QoS frequency requests in response
to bandwith request from other drivers.

Signed-off-by: Leonard Crestez <leonard.crestez@nxp.com>
---
 arch/arm64/boot/dts/freescale/imx8mm.dtsi | 4 ++++
 arch/arm64/boot/dts/freescale/imx8mn.dtsi | 4 ++++
 arch/arm64/boot/dts/freescale/imx8mq.dtsi | 4 ++++
 3 files changed, 12 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8mm.dtsi b/arch/arm64/boot/dts/freescale/imx8mm.dtsi
index dc0ab49bbbd2..4a84db1bf6bd 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mm.dtsi
@@ -6,10 +6,11 @@
 #include <dt-bindings/clock/imx8mm-clock.h>
 #include <dt-bindings/gpio/gpio.h>
 #include <dt-bindings/input/input.h>
 #include <dt-bindings/interrupt-controller/arm-gic.h>
 #include <dt-bindings/thermal/thermal.h>
+#include <dt-bindings/interconnect/imx8mm.h>
 
 #include "imx8mm-pinfunc.h"
 
 / {
 	interrupt-parent = <&gic>;
@@ -791,10 +792,12 @@
 		noc: interconnect@32700000 {
 			compatible = "fsl,imx8mm-noc", "fsl,imx8m-noc";
 			reg = <0x32700000 0x100000>;
 			clocks = <&clk IMX8MM_CLK_NOC>;
 			devfreq = <&ddrc>;
+			#interconnect-cells = <1>;
+			interconnect-node-id = <IMX8MM_ICN_NOC>;
 			operating-points-v2 = <&noc_opp_table>;
 		};
 
 		aips4: bus@32c00000 {
 			compatible = "fsl,aips-bus", "simple-bus";
@@ -881,10 +884,11 @@
 		};
 
 		ddrc: dram-controller@3d400000 {
 			compatible = "fsl,imx8mm-ddrc", "fsl,imx8m-ddrc";
 			reg = <0x3d400000 0x400000>;
+			interconnect-node-id = <IMX8MM_ICS_DRAM>;
 			clock-names = "dram_core",
 				      "dram_pll",
 				      "dram_alt",
 				      "dram_apb";
 			clocks = <&clk IMX8MM_CLK_DRAM_CORE>,
diff --git a/arch/arm64/boot/dts/freescale/imx8mn.dtsi b/arch/arm64/boot/dts/freescale/imx8mn.dtsi
index 6b4a9ba2a8a5..0fd96c976607 100644
--- a/arch/arm64/boot/dts/freescale/imx8mn.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mn.dtsi
@@ -5,10 +5,11 @@
 
 #include <dt-bindings/clock/imx8mn-clock.h>
 #include <dt-bindings/gpio/gpio.h>
 #include <dt-bindings/input/input.h>
 #include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/interconnect/imx8mn.h>
 
 #include "imx8mn-pinfunc.h"
 
 / {
 	interrupt-parent = <&gic>;
@@ -687,10 +688,12 @@
 		noc: interconnect@32700000 {
 			compatible = "fsl,imx8mn-noc", "fsl,imx8m-noc";
 			reg = <0x32700000 0x100000>;
 			clocks = <&clk IMX8MN_CLK_NOC>;
 			devfreq = <&ddrc>;
+			#interconnect-cells = <1>;
+			interconnect-node-id = <IMX8MN_ICN_NOC>;
 			operating-points-v2 = <&noc_opp_table>;
 		};
 
 		aips4: bus@32c00000 {
 			compatible = "fsl,aips-bus", "simple-bus";
@@ -790,10 +793,11 @@
 				      "dram_apb";
 			clocks = <&clk IMX8MN_CLK_DRAM_CORE>,
 				 <&clk IMX8MN_DRAM_PLL>,
 				 <&clk IMX8MN_CLK_DRAM_ALT>,
 				 <&clk IMX8MN_CLK_DRAM_APB>;
+			interconnect-node-id = <IMX8MN_ICS_DRAM>;
 			devfreq-events = <&ddr_pmu>;
 		};
 
 		ddr_pmu: ddr-pmu@3d800000 {
 			compatible = "fsl,imx8mn-ddr-pmu", "fsl,imx8m-ddr-pmu";
diff --git a/arch/arm64/boot/dts/freescale/imx8mq.dtsi b/arch/arm64/boot/dts/freescale/imx8mq.dtsi
index c42c67eb1d50..6ede02b44931 100644
--- a/arch/arm64/boot/dts/freescale/imx8mq.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mq.dtsi
@@ -9,10 +9,11 @@
 #include <dt-bindings/reset/imx8mq-reset.h>
 #include <dt-bindings/gpio/gpio.h>
 #include "dt-bindings/input/input.h"
 #include <dt-bindings/interrupt-controller/arm-gic.h>
 #include <dt-bindings/thermal/thermal.h>
+#include <dt-bindings/interconnect/imx8mq.h>
 #include "imx8mq-pinfunc.h"
 
 / {
 	interrupt-parent = <&gpc>;
 
@@ -950,10 +951,12 @@
 		noc: interconnect@32700000 {
 			compatible = "fsl,imx8mq-noc", "fsl,imx8m-noc";
 			reg = <0x32700000 0x100000>;
 			clocks = <&clk IMX8MQ_CLK_NOC>;
 			devfreq = <&ddrc>;
+			#interconnect-cells = <1>;
+			interconnect-node-id = <IMX8MQ_ICN_NOC>;
 			operating-points-v2 = <&noc_opp_table>;
 		};
 
 		bus@32c00000 { /* AIPS4 */
 			compatible = "fsl,imx8mq-aips-bus", "simple-bus";
@@ -1144,10 +1147,11 @@
 				      "dram_apb";
 			clocks = <&clk IMX8MQ_CLK_DRAM_CORE>,
 				 <&clk IMX8MQ_DRAM_PLL_OUT>,
 				 <&clk IMX8MQ_CLK_DRAM_ALT>,
 				 <&clk IMX8MQ_CLK_DRAM_APB>;
+			interconnect-node-id = <IMX8MQ_ICS_DRAM>;
 			devfreq-events = <&ddr_pmu>;
 		};
 
 		ddr_pmu: ddr-pmu@3d800000 {
 			compatible = "fsl,imx8mq-ddr-pmu", "fsl,imx8m-ddr-pmu";
-- 
2.17.1


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

      parent reply	other threads:[~2019-10-31 22:55 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-31 22:51 [PATCH RFC v5 00/10] interconnect: Add imx support via devfreq Leonard Crestez
2019-10-31 22:52 ` [PATCH RFC v5 01/10] dt-bindings: devfreq: Add bindings for generic imx buses Leonard Crestez
2019-11-04 22:49   ` Rob Herring
2019-11-11 22:28     ` Leonard Crestez
2019-10-31 22:52 ` [PATCH RFC v5 02/10] PM / devfreq: Add generic imx bus driver Leonard Crestez
2019-10-31 22:52 ` [PATCH RFC v5 03/10] PM / devfreq: imx: Register interconnect device Leonard Crestez
2019-10-31 22:52 ` [PATCH RFC v5 04/10] PM / devfreq: Add devfreq_get_devfreq_by_node Leonard Crestez
2019-10-31 22:52 ` [PATCH RFC v5 05/10] interconnect: Add imx core driver Leonard Crestez
2019-11-12 15:07   ` Georgi Djakov
2019-11-12 17:25     ` Leonard Crestez
2019-10-31 22:52 ` [PATCH RFC v5 06/10] interconnect: imx: Add platform driver for imx8mm Leonard Crestez
2019-10-31 22:52 ` [PATCH RFC v5 07/10] interconnect: imx: Add platform driver for imx8mq Leonard Crestez
2019-10-31 22:52 ` [PATCH RFC v5 08/10] interconnect: imx: Add platform driver for imx8mn Leonard Crestez
2019-10-31 22:52 ` [PATCH RFC v5 09/10] arm64: dts: imx8m: Add NOC nodes Leonard Crestez
2019-10-31 22:52 ` Leonard Crestez [this message]

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=0023fc7eb7ab2375af08bf0f38dd55c02bb075d2.1572562150.git.leonard.crestez@nxp.com \
    --to=leonard.crestez@nxp.com \
    --cc=Anson.Huang@nxp.com \
    --cc=a.swigon@partner.samsung.com \
    --cc=abailon@baylibre.com \
    --cc=abel.vesa@nxp.com \
    --cc=aisheng.dong@nxp.com \
    --cc=angus@akkea.ca \
    --cc=cw00.choi@samsung.com \
    --cc=devicetree@vger.kernel.org \
    --cc=fabio.estevam@nxp.com \
    --cc=georgi.djakov@linaro.org \
    --cc=kernel@pengutronix.de \
    --cc=krzk@kernel.org \
    --cc=kyungmin.park@samsung.com \
    --cc=linux-arm-kernel@lists.infradead.org \
    --cc=linux-imx@nxp.com \
    --cc=linux-pm@vger.kernel.org \
    --cc=mark.rutland@arm.com \
    --cc=martink@posteo.de \
    --cc=mka@chromium.org \
    --cc=mturquette@baylibre.com \
    --cc=myungjoo.ham@samsung.com \
    --cc=ping.bai@nxp.com \
    --cc=rafael@kernel.org \
    --cc=robh+dt@kernel.org \
    --cc=saravanak@google.com \
    --cc=sboyd@kernel.org \
    --cc=shawnguo@kernel.org \
    --cc=viresh.kumar@linaro.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).