[PATCH 0/5] Allwinner H6 Ethernet support

[PATCH 0/5] Allwinner H6 Ethernet support

[Icenowy Zheng]

This patchset introduces Allwinner H6 Ethernet support with code already
available for A64.

As the system controller and EMAC on H6 are all similar to A64 ones,
support for them are directly reused, by using fallback compatible
strings.

Icenowy Zheng (5):
  dt-binding: dwmac-sun8i: add H6 compatible string (w/ A64 fallback)
  dt-bindings: sunxi-sram: add binding for Allwinner H6 SRAM C
  arm64: allwinner: h6: add system controller device tree node
  arm64: allwinner: h6: add EMAC device nodes
  arm64: allwinner: h6: add support for the Ethernet on Pine H64

 .../devicetree/bindings/net/dwmac-sun8i.txt   |  1 +
 .../devicetree/bindings/sram/sunxi-sram.txt   |  4 ++
 .../boot/dts/allwinner/sun50i-h6-pine-h64.dts | 29 ++++++++++
 arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi  | 53 +++++++++++++++++++
 4 files changed, 87 insertions(+)

-- 
2.18.0

[PATCH 1/5] dt-binding: dwmac-sun8i: add H6 compatible string (w/ A64 fallback)

[Icenowy Zheng]

The Allwinner H6 SoC features a Ethernet MAC that is similar to the one
in A64.

Add a compatible string for it with A64 fallback compatible string, in
this case the A64 driver can be used.

The "internal" PHY is not internal from the perspective of the H6 main
die, instead it's on the co-packaged AC200 chip, and connected to the
main die with RMII at the in-package Port A PIO bank. So from the SoC
driver side it needs no special treatment.

Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
---
 Documentation/devicetree/bindings/net/dwmac-sun8i.txt | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Documentation/devicetree/bindings/net/dwmac-sun8i.txt b/Documentation/devicetree/bindings/net/dwmac-sun8i.txt
index 5bb3a18cc38d..54c66d0611cb 100644
--- a/Documentation/devicetree/bindings/net/dwmac-sun8i.txt
+++ b/Documentation/devicetree/bindings/net/dwmac-sun8i.txt
@@ -10,6 +10,7 @@ Required properties:
 		"allwinner,sun8i-r40-gmac"
 		"allwinner,sun8i-v3s-emac"
 		"allwinner,sun50i-a64-emac"
+		"allwinner,sun50i-h6-emac", "allwinner-sun50i-a64-emac"
 - reg: address and length of the register for the device.
 - interrupts: interrupt for the device
 - interrupt-names: must be "macirq"
-- 
2.18.0

[PATCH 2/5] dt-bindings: sunxi-sram: add binding for Allwinner H6 SRAM C

[Icenowy Zheng]

The Allwinner H6 SoC's DE3 needs the SRAM C section being claimed in the
system controller to work, like A64 DE2.

As H6 and A64 system controller are quite similar, code is reused now,
and the A64 fallback compatible string is added after the H6 compatible
string.

Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
---
 Documentation/devicetree/bindings/sram/sunxi-sram.txt | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Documentation/devicetree/bindings/sram/sunxi-sram.txt b/Documentation/devicetree/bindings/sram/sunxi-sram.txt
index c51ade86578c..6527a1a535a3 100644
--- a/Documentation/devicetree/bindings/sram/sunxi-sram.txt
+++ b/Documentation/devicetree/bindings/sram/sunxi-sram.txt
@@ -18,6 +18,7 @@ Required properties:
     - "allwinner,sun8i-h3-system-control"
     - "allwinner,sun50i-a64-sram-controller" (deprecated)
     - "allwinner,sun50i-a64-system-control"
+    - "allwinner,sun50i-h6-system-contorl", "allwinner,sun50i-a64-system-control"
 - reg : sram controller register offset + length
 
 SRAM nodes
@@ -54,6 +55,9 @@ The valid sections compatible for H3 are:
 The valid sections compatible for A64 are:
     - allwinner,sun50i-a64-sram-c
 
+The valid sections compatible for H6 are:
+    - allwinner,sun50i-h6-sram-c, allwinner,sun50i-a64-sram-c
+
 Devices using SRAM sections
 ---------------------------
 
-- 
2.18.0

[PATCH 3/5] arm64: allwinner: h6: add system controller device tree node

[Icenowy Zheng]

As we have already binding for the H6 system controller, add its node
to the device tree.

Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
---
 arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi | 23 ++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi
index cfa5fffcf62b..3ab6cf0256ca 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi
+++ b/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi
@@ -92,6 +92,29 @@
 		#size-cells = <1>;
 		ranges;
 
+		syscon: syscon@3000000 {
+			compatible = "allwinner.sun50i-h6-system-control",
+				     "allwinner,sun50i-a64-system-control";
+			reg = <0x03000000 0x1000>;
+			#address-cells = <1>;
+			#size-cells = <1>;
+			ranges;
+
+			sram_c: sram@28000 {
+				compatible = "mmio-sram";
+				reg = <0x00028000 0x1e000>;
+				#address-cells = <1>;
+				#size-cells = <1>;
+				ranges = <0 0x00028000 0x1e000>;
+
+				de2_sram: sram-section@0 {
+					compatible = "allwinner,sun50i-h6-sram-c",
+						     "allwinner,sun50i-a64-sram-c";
+					reg = <0x0000 0x1e000>;
+				};
+			};
+		};
+
 		ccu: clock@3001000 {
 			compatible = "allwinner,sun50i-h6-ccu";
 			reg = <0x03001000 0x1000>;
-- 
2.18.0

[PATCH 4/5] arm64: allwinner: h6: add EMAC device nodes

[Icenowy Zheng]

Allwinner H6 SoC has an EMAC like the one in A64.

Add device tree nodes for the H6 DTSI file.

Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
---
 arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi | 30 ++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi
index 3ab6cf0256ca..c65311de301a 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi
+++ b/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi
@@ -149,6 +149,14 @@
 			interrupt-controller;
 			#interrupt-cells = <3>;
 
+			ext_rgmii_pins: rgmii_pins {
+				pins = "PD0", "PD1", "PD2", "PD3", "PD4",
+				       "PD5", "PD7", "PD8", "PD9", "PD10",
+				       "PD11", "PD12", "PD13", "PD19", "PD20";
+				function = "emac";
+				drive-strength = <40>;
+			};
+
 			mmc0_pins: mmc0-pins {
 				pins = "PF0", "PF1", "PF2", "PF3",
 				       "PF4", "PF5";
@@ -258,6 +266,28 @@
 			status = "disabled";
 		};
 
+		emac: ethernet@5020000 {
+			compatible = "allwinner,sun50i-a64-emac",
+				     "allwinner,sun50i-h6-emac";
+			syscon = <&syscon>;
+			reg = <0x05020000 0x10000>;
+			interrupts = <GIC_SPI 12 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "macirq";
+			resets = <&ccu RST_BUS_EMAC>;
+			reset-names = "stmmaceth";
+			clocks = <&ccu CLK_BUS_EMAC>;
+			clock-names = "stmmaceth";
+			status = "disabled";
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			mdio: mdio {
+				compatible = "snps,dwmac-mdio";
+				#address-cells = <1>;
+				#size-cells = <0>;
+			};
+		};
+
 		r_ccu: clock@7010000 {
 			compatible = "allwinner,sun50i-h6-r-ccu";
 			reg = <0x07010000 0x400>;
-- 
2.18.0

[PATCH 5/5] arm64: allwinner: h6: add support for the Ethernet on Pine H64

[Icenowy Zheng]

The Pine H64 board has an Ethernet port, which is connected to a
RTL8211E PHY, then the PHY is connected to the MAC on H6 SoC.

Add support for the Ethernet port.

Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
---
 .../boot/dts/allwinner/sun50i-h6-pine-h64.dts | 29 +++++++++++++++++++
 1 file changed, 29 insertions(+)

diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h6-pine-h64.dts b/arch/arm64/boot/dts/allwinner/sun50i-h6-pine-h64.dts
index ceffc40810ee..b168b3b8a9ad 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-h6-pine-h64.dts
+++ b/arch/arm64/boot/dts/allwinner/sun50i-h6-pine-h64.dts
@@ -14,6 +14,7 @@
 	compatible = "pine64,pine-h64", "allwinner,sun50i-h6";
 
 	aliases {
+		ethernet0 = &emac;
 		serial0 = &uart0;
 	};
 
@@ -39,6 +40,34 @@
 			gpios = <&r_pio 0 7 GPIO_ACTIVE_HIGH>; /* PL7 */
 		};
 	};
+
+	reg_gmac_3v3: gmac-3v3 {
+		compatible = "regulator-fixed";
+		regulator-name = "vcc-gmac-3v3";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		startup-delay-us = <100000>;
+		gpio = <&pio 2 16 GPIO_ACTIVE_HIGH>;
+		enable-active-high;
+	};
+};
+
+&emac {
+	pinctrl-names = "default";
+	pinctrl-0 = <&ext_rgmii_pins>;
+	phy-mode = "rgmii";
+	phy-handle = <&ext_rgmii_phy>;
+	phy-supply = <&reg_gmac_3v3>;
+	allwinner,rx-delay-ps = <200>;
+	allwinner,tx-delay-ps = <200>;
+	status = "okay";
+};
+
+&mdio {
+	ext_rgmii_phy: ethernet-phy@1 {
+		compatible = "ethernet-phy-ieee802.3-c22";
+		reg = <1>;
+	};
 };
 
 &mmc0 {
-- 
2.18.0

Re: [linux-sunxi] [PATCH 4/5] arm64: allwinner: h6: add EMAC device nodes

[Corentin Labbe]

On Sun, Jul 22, 2018 at 01:39:54PM +0800, Icenowy Zheng wrote:
> Allwinner H6 SoC has an EMAC like the one in A64.
> 
> Add device tree nodes for the H6 DTSI file.
> 
> Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
> ---
>  arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi | 30 ++++++++++++++++++++
>  1 file changed, 30 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi
> index 3ab6cf0256ca..c65311de301a 100644
> --- a/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi
> +++ b/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi
> @@ -149,6 +149,14 @@
>  			interrupt-controller;
>  			#interrupt-cells = <3>;
>  
> +			ext_rgmii_pins: rgmii_pins {
> +				pins = "PD0", "PD1", "PD2", "PD3", "PD4",
> +				       "PD5", "PD7", "PD8", "PD9", "PD10",
> +				       "PD11", "PD12", "PD13", "PD19", "PD20";
> +				function = "emac";
> +				drive-strength = <40>;
> +			};
> +
>  			mmc0_pins: mmc0-pins {
>  				pins = "PF0", "PF1", "PF2", "PF3",
>  				       "PF4", "PF5";
> @@ -258,6 +266,28 @@
>  			status = "disabled";
>  		};
>  
> +		emac: ethernet@5020000 {
> +			compatible = "allwinner,sun50i-a64-emac",
> +				     "allwinner,sun50i-h6-emac";
> +			syscon = <&syscon>;
> +			reg = <0x05020000 0x10000>;
> +			interrupts = <GIC_SPI 12 IRQ_TYPE_LEVEL_HIGH>;
> +			interrupt-names = "macirq";
> +			resets = <&ccu RST_BUS_EMAC>;
> +			reset-names = "stmmaceth";
> +			clocks = <&ccu CLK_BUS_EMAC>;
> +			clock-names = "stmmaceth";
> +			status = "disabled";
> +			#address-cells = <1>;
> +			#size-cells = <0>;

#address-cells and #size-cells is unnecessary in emac node.

Regards

Re: [PATCH 2/5] dt-bindings: sunxi-sram: add binding for Allwinner H6 SRAM C

[Maxime Ripard]

[-- Attachment #1: Type: text/plain, Size: 1272 bytes --]

On Sun, Jul 22, 2018 at 01:39:52PM +0800, Icenowy Zheng wrote:
> The Allwinner H6 SoC's DE3 needs the SRAM C section being claimed in the
> system controller to work, like A64 DE2.
> 
> As H6 and A64 system controller are quite similar, code is reused now,
> and the A64 fallback compatible string is added after the H6 compatible
> string.
> 
> Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
> ---
>  Documentation/devicetree/bindings/sram/sunxi-sram.txt | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/sram/sunxi-sram.txt b/Documentation/devicetree/bindings/sram/sunxi-sram.txt
> index c51ade86578c..6527a1a535a3 100644
> --- a/Documentation/devicetree/bindings/sram/sunxi-sram.txt
> +++ b/Documentation/devicetree/bindings/sram/sunxi-sram.txt
> @@ -18,6 +18,7 @@ Required properties:
>      - "allwinner,sun8i-h3-system-control"
>      - "allwinner,sun50i-a64-sram-controller" (deprecated)
>      - "allwinner,sun50i-a64-system-control"
> +    - "allwinner,sun50i-h6-system-contorl", "allwinner,sun50i-a64-system-control"

                                     ^ control

Maxime

-- 
Maxime Ripard, Bootlin (formerly Free Electrons)
Embedded Linux and Kernel engineering
https://bootlin.com

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Re: [PATCH 1/5] dt-binding: dwmac-sun8i: add H6 compatible string (w/ A64 fallback)

[Rob Herring]

On Sun, Jul 22, 2018 at 01:39:51PM +0800, Icenowy Zheng wrote:
> The Allwinner H6 SoC features a Ethernet MAC that is similar to the one
> in A64.
> 
> Add a compatible string for it with A64 fallback compatible string, in
> this case the A64 driver can be used.
> 
> The "internal" PHY is not internal from the perspective of the H6 main
> die, instead it's on the co-packaged AC200 chip, and connected to the
> main die with RMII at the in-package Port A PIO bank. So from the SoC
> driver side it needs no special treatment.
> 
> Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
> ---
>  Documentation/devicetree/bindings/net/dwmac-sun8i.txt | 1 +
>  1 file changed, 1 insertion(+)

Acked-by: Rob Herring <robh@kernel.org>

Re: [PATCH 1/5] dt-binding: dwmac-sun8i: add H6 compatible string (w/ A64 fallback)

[Chen-Yu Tsai]

On Wed, Aug 1, 2018 at 4:56 AM, Rob Herring <robh@kernel.org> wrote:
> On Sun, Jul 22, 2018 at 01:39:51PM +0800, Icenowy Zheng wrote:
>> The Allwinner H6 SoC features a Ethernet MAC that is similar to the one
>> in A64.
>>
>> Add a compatible string for it with A64 fallback compatible string, in
>> this case the A64 driver can be used.
>>
>> The "internal" PHY is not internal from the perspective of the H6 main
>> die, instead it's on the co-packaged AC200 chip, and connected to the
>> main die with RMII at the in-package Port A PIO bank. So from the SoC
>> driver side it needs no special treatment.
>>
>> Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
>> ---
>>  Documentation/devicetree/bindings/net/dwmac-sun8i.txt | 1 +
>>  1 file changed, 1 insertion(+)
>
> Acked-by: Rob Herring <robh@kernel.org>

Reviewed-by: Chen-Yu Tsai <wens@csie.org>

Re: [linux-sunxi] [PATCH 0/5] Allwinner H6 Ethernet support

[Jagan Teki]

On Sun, Jul 22, 2018 at 11:10 AM Icenowy Zheng <icenowy@aosc.io> wrote:
>
> This patchset introduces Allwinner H6 Ethernet support with code already
> available for A64.
>
> As the system controller and EMAC on H6 are all similar to A64 ones,
> support for them are directly reused, by using fallback compatible
> strings.
>
> Icenowy Zheng (5):
>   dt-binding: dwmac-sun8i: add H6 compatible string (w/ A64 fallback)
>   dt-bindings: sunxi-sram: add binding for Allwinner H6 SRAM C
>   arm64: allwinner: h6: add system controller device tree node
>   arm64: allwinner: h6: add EMAC device nodes
>   arm64: allwinner: h6: add support for the Ethernet on Pine H64

Tested EMAC on Orangepi 1+

Tested-by: Jagan Teki <jagan@amarulasolutions.com>