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* [PATCH 1/2] ARM: sun8i: a83t: add dwmac-sun8i ethernet driver
@ 2017-11-07 20:13 ` Corentin Labbe
  0 siblings, 0 replies; 15+ messages in thread
From: Corentin Labbe @ 2017-11-07 20:13 UTC (permalink / raw)
  To: robh+dt, mark.rutland, linux, maxime.ripard, wens
  Cc: devicetree, linux-arm-kernel, linux-kernel, Corentin Labbe

The dwmac-sun8i is an ethernet MAC hardware that support 10/100/1000 speed.
This patch enable the dwmac-sun8i on the Allwinner a83t SoC Device-tree.

Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com>
Reviewed-by: Chen-Yu Tsai <wens@csie.org>
---
 arch/arm/boot/dts/sun8i-a83t.dtsi | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)

diff --git a/arch/arm/boot/dts/sun8i-a83t.dtsi b/arch/arm/boot/dts/sun8i-a83t.dtsi
index 19acae1b4089..68e5135410ec 100644
--- a/arch/arm/boot/dts/sun8i-a83t.dtsi
+++ b/arch/arm/boot/dts/sun8i-a83t.dtsi
@@ -336,6 +336,14 @@
 			#interrupt-cells = <3>;
 			#gpio-cells = <3>;
 
+			emac_rgmii_pins: emac-rgmii-pins {
+				pins = "PD2", "PD3", "PD4", "PD5", "PD6", "PD7",
+				       "PD11", "PD12", "PD13", "PD14", "PD18",
+				       "PD19", "PD21", "PD22", "PD23";
+				function = "gmac";
+				drive-strength = <40>;
+			};
+
 			mmc0_pins: mmc0-pins {
 				pins = "PF0", "PF1", "PF2",
 				       "PF3", "PF4", "PF5";
@@ -440,6 +448,27 @@
 			status = "disabled";
 		};
 
+		emac: ethernet@1c30000 {
+			compatible = "allwinner,sun8i-a83t-emac";
+			syscon = <&syscon>;
+			reg = <0x01c30000 0x104>;
+			interrupts = <GIC_SPI 82 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "macirq";
+			resets = <&ccu 13>;
+			reset-names = "stmmaceth";
+			clocks = <&ccu 27>;
+			clock-names = "stmmaceth";
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "disabled";
+
+			mdio: mdio {
+				compatible = "snps,dwmac-mdio";
+				#address-cells = <1>;
+				#size-cells = <0>;
+			};
+		};
+
 		gic: interrupt-controller@1c81000 {
 			compatible = "arm,cortex-a7-gic", "arm,cortex-a15-gic";
 			reg = <0x01c81000 0x1000>,
-- 
2.13.6

^ permalink raw reply related	[flat|nested] 15+ messages in thread

* [PATCH 1/2] ARM: sun8i: a83t: add dwmac-sun8i ethernet driver
@ 2017-11-07 20:13 ` Corentin Labbe
  0 siblings, 0 replies; 15+ messages in thread
From: Corentin Labbe @ 2017-11-07 20:13 UTC (permalink / raw)
  To: linux-arm-kernel

The dwmac-sun8i is an ethernet MAC hardware that support 10/100/1000 speed.
This patch enable the dwmac-sun8i on the Allwinner a83t SoC Device-tree.

Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com>
Reviewed-by: Chen-Yu Tsai <wens@csie.org>
---
 arch/arm/boot/dts/sun8i-a83t.dtsi | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)

diff --git a/arch/arm/boot/dts/sun8i-a83t.dtsi b/arch/arm/boot/dts/sun8i-a83t.dtsi
index 19acae1b4089..68e5135410ec 100644
--- a/arch/arm/boot/dts/sun8i-a83t.dtsi
+++ b/arch/arm/boot/dts/sun8i-a83t.dtsi
@@ -336,6 +336,14 @@
 			#interrupt-cells = <3>;
 			#gpio-cells = <3>;
 
+			emac_rgmii_pins: emac-rgmii-pins {
+				pins = "PD2", "PD3", "PD4", "PD5", "PD6", "PD7",
+				       "PD11", "PD12", "PD13", "PD14", "PD18",
+				       "PD19", "PD21", "PD22", "PD23";
+				function = "gmac";
+				drive-strength = <40>;
+			};
+
 			mmc0_pins: mmc0-pins {
 				pins = "PF0", "PF1", "PF2",
 				       "PF3", "PF4", "PF5";
@@ -440,6 +448,27 @@
 			status = "disabled";
 		};
 
+		emac: ethernet at 1c30000 {
+			compatible = "allwinner,sun8i-a83t-emac";
+			syscon = <&syscon>;
+			reg = <0x01c30000 0x104>;
+			interrupts = <GIC_SPI 82 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "macirq";
+			resets = <&ccu 13>;
+			reset-names = "stmmaceth";
+			clocks = <&ccu 27>;
+			clock-names = "stmmaceth";
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "disabled";
+
+			mdio: mdio {
+				compatible = "snps,dwmac-mdio";
+				#address-cells = <1>;
+				#size-cells = <0>;
+			};
+		};
+
 		gic: interrupt-controller at 1c81000 {
 			compatible = "arm,cortex-a7-gic", "arm,cortex-a15-gic";
 			reg = <0x01c81000 0x1000>,
-- 
2.13.6

^ permalink raw reply related	[flat|nested] 15+ messages in thread

* [PATCH 2/2] ARM: sun8i: bananapi-m3: Enable dwmac-sun8i
  2017-11-07 20:13 ` Corentin Labbe
  (?)
@ 2017-11-07 20:13   ` Corentin Labbe
  -1 siblings, 0 replies; 15+ messages in thread
From: Corentin Labbe @ 2017-11-07 20:13 UTC (permalink / raw)
  To: robh+dt, mark.rutland, linux, maxime.ripard, wens
  Cc: devicetree, linux-arm-kernel, linux-kernel, Corentin Labbe

The dwmac-sun8i hardware is present on the bananapi m3
It uses an external PHY rtl8211e via RGMII.

This patch create the needed emac and phy nodes.

Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com>
---
 arch/arm/boot/dts/sun8i-a83t-bananapi-m3.dts | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/arch/arm/boot/dts/sun8i-a83t-bananapi-m3.dts b/arch/arm/boot/dts/sun8i-a83t-bananapi-m3.dts
index c606af3dbfed..45bdd5c17829 100644
--- a/arch/arm/boot/dts/sun8i-a83t-bananapi-m3.dts
+++ b/arch/arm/boot/dts/sun8i-a83t-bananapi-m3.dts
@@ -52,6 +52,7 @@
 	compatible = "sinovoip,bpi-m3", "allwinner,sun8i-a83t";
 
 	aliases {
+		ethernet0 = &emac;
 		serial0 = &uart0;
 	};
 
@@ -88,6 +89,23 @@
 	/* TODO GL830 USB-to-SATA bridge downstream w/ GPIO power controls */
 };
 
+&emac {
+	pinctrl-names = "default";
+	pinctrl-0 = <&emac_rgmii_pins>;
+	phy-handle = <&ext_rgmii_phy>;
+	phy-mode = "rgmii";
+	allwinner,rx-delay-ps = <700>;
+	allwinner,tx-delay-ps = <700>;
+
+	status = "okay";
+};
+
+&mdio {
+	ext_rgmii_phy: ethernet-phy@1 {
+		reg = <1>;
+	};
+};
+
 &mmc0 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&mmc0_pins>;
-- 
2.13.6

^ permalink raw reply related	[flat|nested] 15+ messages in thread

* [PATCH 2/2] ARM: sun8i: bananapi-m3: Enable dwmac-sun8i
@ 2017-11-07 20:13   ` Corentin Labbe
  0 siblings, 0 replies; 15+ messages in thread
From: Corentin Labbe @ 2017-11-07 20:13 UTC (permalink / raw)
  To: robh+dt, mark.rutland, linux, maxime.ripard, wens
  Cc: devicetree, Corentin Labbe, linux-kernel, linux-arm-kernel

The dwmac-sun8i hardware is present on the bananapi m3
It uses an external PHY rtl8211e via RGMII.

This patch create the needed emac and phy nodes.

Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com>
---
 arch/arm/boot/dts/sun8i-a83t-bananapi-m3.dts | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/arch/arm/boot/dts/sun8i-a83t-bananapi-m3.dts b/arch/arm/boot/dts/sun8i-a83t-bananapi-m3.dts
index c606af3dbfed..45bdd5c17829 100644
--- a/arch/arm/boot/dts/sun8i-a83t-bananapi-m3.dts
+++ b/arch/arm/boot/dts/sun8i-a83t-bananapi-m3.dts
@@ -52,6 +52,7 @@
 	compatible = "sinovoip,bpi-m3", "allwinner,sun8i-a83t";
 
 	aliases {
+		ethernet0 = &emac;
 		serial0 = &uart0;
 	};
 
@@ -88,6 +89,23 @@
 	/* TODO GL830 USB-to-SATA bridge downstream w/ GPIO power controls */
 };
 
+&emac {
+	pinctrl-names = "default";
+	pinctrl-0 = <&emac_rgmii_pins>;
+	phy-handle = <&ext_rgmii_phy>;
+	phy-mode = "rgmii";
+	allwinner,rx-delay-ps = <700>;
+	allwinner,tx-delay-ps = <700>;
+
+	status = "okay";
+};
+
+&mdio {
+	ext_rgmii_phy: ethernet-phy@1 {
+		reg = <1>;
+	};
+};
+
 &mmc0 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&mmc0_pins>;
-- 
2.13.6

^ permalink raw reply related	[flat|nested] 15+ messages in thread

* [PATCH 2/2] ARM: sun8i: bananapi-m3: Enable dwmac-sun8i
@ 2017-11-07 20:13   ` Corentin Labbe
  0 siblings, 0 replies; 15+ messages in thread
From: Corentin Labbe @ 2017-11-07 20:13 UTC (permalink / raw)
  To: linux-arm-kernel

The dwmac-sun8i hardware is present on the bananapi m3
It uses an external PHY rtl8211e via RGMII.

This patch create the needed emac and phy nodes.

Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com>
---
 arch/arm/boot/dts/sun8i-a83t-bananapi-m3.dts | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/arch/arm/boot/dts/sun8i-a83t-bananapi-m3.dts b/arch/arm/boot/dts/sun8i-a83t-bananapi-m3.dts
index c606af3dbfed..45bdd5c17829 100644
--- a/arch/arm/boot/dts/sun8i-a83t-bananapi-m3.dts
+++ b/arch/arm/boot/dts/sun8i-a83t-bananapi-m3.dts
@@ -52,6 +52,7 @@
 	compatible = "sinovoip,bpi-m3", "allwinner,sun8i-a83t";
 
 	aliases {
+		ethernet0 = &emac;
 		serial0 = &uart0;
 	};
 
@@ -88,6 +89,23 @@
 	/* TODO GL830 USB-to-SATA bridge downstream w/ GPIO power controls */
 };
 
+&emac {
+	pinctrl-names = "default";
+	pinctrl-0 = <&emac_rgmii_pins>;
+	phy-handle = <&ext_rgmii_phy>;
+	phy-mode = "rgmii";
+	allwinner,rx-delay-ps = <700>;
+	allwinner,tx-delay-ps = <700>;
+
+	status = "okay";
+};
+
+&mdio {
+	ext_rgmii_phy: ethernet-phy at 1 {
+		reg = <1>;
+	};
+};
+
 &mmc0 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&mmc0_pins>;
-- 
2.13.6

^ permalink raw reply related	[flat|nested] 15+ messages in thread

* Re: [PATCH 1/2] ARM: sun8i: a83t: add dwmac-sun8i ethernet driver
  2017-11-07 20:13 ` Corentin Labbe
@ 2017-11-08  6:27   ` Chen-Yu Tsai
  -1 siblings, 0 replies; 15+ messages in thread
From: Chen-Yu Tsai @ 2017-11-08  6:27 UTC (permalink / raw)
  To: Corentin Labbe
  Cc: Rob Herring, Mark Rutland, Russell King, Maxime Ripard,
	Chen-Yu Tsai, devicetree, linux-arm-kernel, linux-kernel

On Wed, Nov 8, 2017 at 4:13 AM, Corentin Labbe
<clabbe.montjoie@gmail.com> wrote:
> The dwmac-sun8i is an ethernet MAC hardware that support 10/100/1000 speed.
> This patch enable the dwmac-sun8i on the Allwinner a83t SoC Device-tree.

The subject should say "add .... device node", not driver.

>
> Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com>
> Reviewed-by: Chen-Yu Tsai <wens@csie.org>
> ---
>  arch/arm/boot/dts/sun8i-a83t.dtsi | 29 +++++++++++++++++++++++++++++
>  1 file changed, 29 insertions(+)
>
> diff --git a/arch/arm/boot/dts/sun8i-a83t.dtsi b/arch/arm/boot/dts/sun8i-a83t.dtsi
> index 19acae1b4089..68e5135410ec 100644
> --- a/arch/arm/boot/dts/sun8i-a83t.dtsi
> +++ b/arch/arm/boot/dts/sun8i-a83t.dtsi
> @@ -336,6 +336,14 @@
>                         #interrupt-cells = <3>;
>                         #gpio-cells = <3>;
>
> +                       emac_rgmii_pins: emac-rgmii-pins {
> +                               pins = "PD2", "PD3", "PD4", "PD5", "PD6", "PD7",
> +                                      "PD11", "PD12", "PD13", "PD14", "PD18",
> +                                      "PD19", "PD21", "PD22", "PD23";
> +                               function = "gmac";
> +                               drive-strength = <40>;
> +                       };
> +

You should mention this change in your commit log.

ChenYu

>                         mmc0_pins: mmc0-pins {
>                                 pins = "PF0", "PF1", "PF2",
>                                        "PF3", "PF4", "PF5";
> @@ -440,6 +448,27 @@
>                         status = "disabled";
>                 };
>
> +               emac: ethernet@1c30000 {
> +                       compatible = "allwinner,sun8i-a83t-emac";
> +                       syscon = <&syscon>;
> +                       reg = <0x01c30000 0x104>;
> +                       interrupts = <GIC_SPI 82 IRQ_TYPE_LEVEL_HIGH>;
> +                       interrupt-names = "macirq";
> +                       resets = <&ccu 13>;
> +                       reset-names = "stmmaceth";
> +                       clocks = <&ccu 27>;
> +                       clock-names = "stmmaceth";
> +                       #address-cells = <1>;
> +                       #size-cells = <0>;
> +                       status = "disabled";
> +
> +                       mdio: mdio {
> +                               compatible = "snps,dwmac-mdio";
> +                               #address-cells = <1>;
> +                               #size-cells = <0>;
> +                       };
> +               };
> +
>                 gic: interrupt-controller@1c81000 {
>                         compatible = "arm,cortex-a7-gic", "arm,cortex-a15-gic";
>                         reg = <0x01c81000 0x1000>,
> --
> 2.13.6
>

^ permalink raw reply	[flat|nested] 15+ messages in thread

* [PATCH 1/2] ARM: sun8i: a83t: add dwmac-sun8i ethernet driver
@ 2017-11-08  6:27   ` Chen-Yu Tsai
  0 siblings, 0 replies; 15+ messages in thread
From: Chen-Yu Tsai @ 2017-11-08  6:27 UTC (permalink / raw)
  To: linux-arm-kernel

On Wed, Nov 8, 2017 at 4:13 AM, Corentin Labbe
<clabbe.montjoie@gmail.com> wrote:
> The dwmac-sun8i is an ethernet MAC hardware that support 10/100/1000 speed.
> This patch enable the dwmac-sun8i on the Allwinner a83t SoC Device-tree.

The subject should say "add .... device node", not driver.

>
> Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com>
> Reviewed-by: Chen-Yu Tsai <wens@csie.org>
> ---
>  arch/arm/boot/dts/sun8i-a83t.dtsi | 29 +++++++++++++++++++++++++++++
>  1 file changed, 29 insertions(+)
>
> diff --git a/arch/arm/boot/dts/sun8i-a83t.dtsi b/arch/arm/boot/dts/sun8i-a83t.dtsi
> index 19acae1b4089..68e5135410ec 100644
> --- a/arch/arm/boot/dts/sun8i-a83t.dtsi
> +++ b/arch/arm/boot/dts/sun8i-a83t.dtsi
> @@ -336,6 +336,14 @@
>                         #interrupt-cells = <3>;
>                         #gpio-cells = <3>;
>
> +                       emac_rgmii_pins: emac-rgmii-pins {
> +                               pins = "PD2", "PD3", "PD4", "PD5", "PD6", "PD7",
> +                                      "PD11", "PD12", "PD13", "PD14", "PD18",
> +                                      "PD19", "PD21", "PD22", "PD23";
> +                               function = "gmac";
> +                               drive-strength = <40>;
> +                       };
> +

You should mention this change in your commit log.

ChenYu

>                         mmc0_pins: mmc0-pins {
>                                 pins = "PF0", "PF1", "PF2",
>                                        "PF3", "PF4", "PF5";
> @@ -440,6 +448,27 @@
>                         status = "disabled";
>                 };
>
> +               emac: ethernet at 1c30000 {
> +                       compatible = "allwinner,sun8i-a83t-emac";
> +                       syscon = <&syscon>;
> +                       reg = <0x01c30000 0x104>;
> +                       interrupts = <GIC_SPI 82 IRQ_TYPE_LEVEL_HIGH>;
> +                       interrupt-names = "macirq";
> +                       resets = <&ccu 13>;
> +                       reset-names = "stmmaceth";
> +                       clocks = <&ccu 27>;
> +                       clock-names = "stmmaceth";
> +                       #address-cells = <1>;
> +                       #size-cells = <0>;
> +                       status = "disabled";
> +
> +                       mdio: mdio {
> +                               compatible = "snps,dwmac-mdio";
> +                               #address-cells = <1>;
> +                               #size-cells = <0>;
> +                       };
> +               };
> +
>                 gic: interrupt-controller at 1c81000 {
>                         compatible = "arm,cortex-a7-gic", "arm,cortex-a15-gic";
>                         reg = <0x01c81000 0x1000>,
> --
> 2.13.6
>

^ permalink raw reply	[flat|nested] 15+ messages in thread

* Re: [PATCH 1/2] ARM: sun8i: a83t: add dwmac-sun8i ethernet driver
@ 2017-11-08  7:48     ` Maxime Ripard
  0 siblings, 0 replies; 15+ messages in thread
From: Maxime Ripard @ 2017-11-08  7:48 UTC (permalink / raw)
  To: Chen-Yu Tsai
  Cc: Corentin Labbe, Rob Herring, Mark Rutland, Russell King,
	devicetree, linux-arm-kernel, linux-kernel

[-- Attachment #1: Type: text/plain, Size: 1677 bytes --]

On Wed, Nov 08, 2017 at 02:27:21PM +0800, Chen-Yu Tsai wrote:
> On Wed, Nov 8, 2017 at 4:13 AM, Corentin Labbe
> <clabbe.montjoie@gmail.com> wrote:
> > The dwmac-sun8i is an ethernet MAC hardware that support 10/100/1000 speed.
> > This patch enable the dwmac-sun8i on the Allwinner a83t SoC Device-tree.
> 
> The subject should say "add .... device node", not driver.
> 
> >
> > Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com>
> > Reviewed-by: Chen-Yu Tsai <wens@csie.org>
> > ---
> >  arch/arm/boot/dts/sun8i-a83t.dtsi | 29 +++++++++++++++++++++++++++++
> >  1 file changed, 29 insertions(+)
> >
> > diff --git a/arch/arm/boot/dts/sun8i-a83t.dtsi b/arch/arm/boot/dts/sun8i-a83t.dtsi
> > index 19acae1b4089..68e5135410ec 100644
> > --- a/arch/arm/boot/dts/sun8i-a83t.dtsi
> > +++ b/arch/arm/boot/dts/sun8i-a83t.dtsi
> > @@ -336,6 +336,14 @@
> >                         #interrupt-cells = <3>;
> >                         #gpio-cells = <3>;
> >
> > +                       emac_rgmii_pins: emac-rgmii-pins {
> > +                               pins = "PD2", "PD3", "PD4", "PD5", "PD6", "PD7",
> > +                                      "PD11", "PD12", "PD13", "PD14", "PD18",
> > +                                      "PD19", "PD21", "PD22", "PD23";
> > +                               function = "gmac";
> > +                               drive-strength = <40>;
> > +                       };
> > +
> 
> You should mention this change in your commit log.

And add a comment about why that drive strength is needed.

Maxime

-- 
Maxime Ripard, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com

[-- Attachment #2: signature.asc --]
[-- Type: application/pgp-signature, Size: 801 bytes --]

^ permalink raw reply	[flat|nested] 15+ messages in thread

* Re: [PATCH 1/2] ARM: sun8i: a83t: add dwmac-sun8i ethernet driver
@ 2017-11-08  7:48     ` Maxime Ripard
  0 siblings, 0 replies; 15+ messages in thread
From: Maxime Ripard @ 2017-11-08  7:48 UTC (permalink / raw)
  To: Chen-Yu Tsai
  Cc: Corentin Labbe, Rob Herring, Mark Rutland, Russell King,
	devicetree, linux-arm-kernel, linux-kernel

[-- Attachment #1: Type: text/plain, Size: 1757 bytes --]

On Wed, Nov 08, 2017 at 02:27:21PM +0800, Chen-Yu Tsai wrote:
> On Wed, Nov 8, 2017 at 4:13 AM, Corentin Labbe
> <clabbe.montjoie-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> wrote:
> > The dwmac-sun8i is an ethernet MAC hardware that support 10/100/1000 speed.
> > This patch enable the dwmac-sun8i on the Allwinner a83t SoC Device-tree.
> 
> The subject should say "add .... device node", not driver.
> 
> >
> > Signed-off-by: Corentin Labbe <clabbe.montjoie-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
> > Reviewed-by: Chen-Yu Tsai <wens-jdAy2FN1RRM@public.gmane.org>
> > ---
> >  arch/arm/boot/dts/sun8i-a83t.dtsi | 29 +++++++++++++++++++++++++++++
> >  1 file changed, 29 insertions(+)
> >
> > diff --git a/arch/arm/boot/dts/sun8i-a83t.dtsi b/arch/arm/boot/dts/sun8i-a83t.dtsi
> > index 19acae1b4089..68e5135410ec 100644
> > --- a/arch/arm/boot/dts/sun8i-a83t.dtsi
> > +++ b/arch/arm/boot/dts/sun8i-a83t.dtsi
> > @@ -336,6 +336,14 @@
> >                         #interrupt-cells = <3>;
> >                         #gpio-cells = <3>;
> >
> > +                       emac_rgmii_pins: emac-rgmii-pins {
> > +                               pins = "PD2", "PD3", "PD4", "PD5", "PD6", "PD7",
> > +                                      "PD11", "PD12", "PD13", "PD14", "PD18",
> > +                                      "PD19", "PD21", "PD22", "PD23";
> > +                               function = "gmac";
> > +                               drive-strength = <40>;
> > +                       };
> > +
> 
> You should mention this change in your commit log.

And add a comment about why that drive strength is needed.

Maxime

-- 
Maxime Ripard, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com

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^ permalink raw reply	[flat|nested] 15+ messages in thread

* [PATCH 1/2] ARM: sun8i: a83t: add dwmac-sun8i ethernet driver
@ 2017-11-08  7:48     ` Maxime Ripard
  0 siblings, 0 replies; 15+ messages in thread
From: Maxime Ripard @ 2017-11-08  7:48 UTC (permalink / raw)
  To: linux-arm-kernel

On Wed, Nov 08, 2017 at 02:27:21PM +0800, Chen-Yu Tsai wrote:
> On Wed, Nov 8, 2017 at 4:13 AM, Corentin Labbe
> <clabbe.montjoie@gmail.com> wrote:
> > The dwmac-sun8i is an ethernet MAC hardware that support 10/100/1000 speed.
> > This patch enable the dwmac-sun8i on the Allwinner a83t SoC Device-tree.
> 
> The subject should say "add .... device node", not driver.
> 
> >
> > Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com>
> > Reviewed-by: Chen-Yu Tsai <wens@csie.org>
> > ---
> >  arch/arm/boot/dts/sun8i-a83t.dtsi | 29 +++++++++++++++++++++++++++++
> >  1 file changed, 29 insertions(+)
> >
> > diff --git a/arch/arm/boot/dts/sun8i-a83t.dtsi b/arch/arm/boot/dts/sun8i-a83t.dtsi
> > index 19acae1b4089..68e5135410ec 100644
> > --- a/arch/arm/boot/dts/sun8i-a83t.dtsi
> > +++ b/arch/arm/boot/dts/sun8i-a83t.dtsi
> > @@ -336,6 +336,14 @@
> >                         #interrupt-cells = <3>;
> >                         #gpio-cells = <3>;
> >
> > +                       emac_rgmii_pins: emac-rgmii-pins {
> > +                               pins = "PD2", "PD3", "PD4", "PD5", "PD6", "PD7",
> > +                                      "PD11", "PD12", "PD13", "PD14", "PD18",
> > +                                      "PD19", "PD21", "PD22", "PD23";
> > +                               function = "gmac";
> > +                               drive-strength = <40>;
> > +                       };
> > +
> 
> You should mention this change in your commit log.

And add a comment about why that drive strength is needed.

Maxime

-- 
Maxime Ripard, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com
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^ permalink raw reply	[flat|nested] 15+ messages in thread

* Re: [PATCH 1/2] ARM: sun8i: a83t: add dwmac-sun8i ethernet driver
@ 2017-11-08 19:27     ` Corentin Labbe
  0 siblings, 0 replies; 15+ messages in thread
From: Corentin Labbe @ 2017-11-08 19:27 UTC (permalink / raw)
  To: Chen-Yu Tsai
  Cc: Rob Herring, Mark Rutland, Russell King, Maxime Ripard,
	devicetree, linux-arm-kernel, linux-kernel

On Wed, Nov 08, 2017 at 02:27:21PM +0800, Chen-Yu Tsai wrote:
> On Wed, Nov 8, 2017 at 4:13 AM, Corentin Labbe
> <clabbe.montjoie@gmail.com> wrote:
> > The dwmac-sun8i is an ethernet MAC hardware that support 10/100/1000 speed.
> > This patch enable the dwmac-sun8i on the Allwinner a83t SoC Device-tree.
> 
> The subject should say "add .... device node", not driver.
> 
> >
> > Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com>
> > Reviewed-by: Chen-Yu Tsai <wens@csie.org>
> > ---
> >  arch/arm/boot/dts/sun8i-a83t.dtsi | 29 +++++++++++++++++++++++++++++
> >  1 file changed, 29 insertions(+)
> >
> > diff --git a/arch/arm/boot/dts/sun8i-a83t.dtsi b/arch/arm/boot/dts/sun8i-a83t.dtsi
> > index 19acae1b4089..68e5135410ec 100644
> > --- a/arch/arm/boot/dts/sun8i-a83t.dtsi
> > +++ b/arch/arm/boot/dts/sun8i-a83t.dtsi
> > @@ -336,6 +336,14 @@
> >                         #interrupt-cells = <3>;
> >                         #gpio-cells = <3>;
> >
> > +                       emac_rgmii_pins: emac-rgmii-pins {
> > +                               pins = "PD2", "PD3", "PD4", "PD5", "PD6", "PD7",
> > +                                      "PD11", "PD12", "PD13", "PD14", "PD18",
> > +                                      "PD19", "PD21", "PD22", "PD23";
> > +                               function = "gmac";
> > +                               drive-strength = <40>;
> > +                       };
> > +
> 
> You should mention this change in your commit log.
> 
> ChenYu
> 

Ok I will do it

Thanks
Regards

^ permalink raw reply	[flat|nested] 15+ messages in thread

* Re: [PATCH 1/2] ARM: sun8i: a83t: add dwmac-sun8i ethernet driver
@ 2017-11-08 19:27     ` Corentin Labbe
  0 siblings, 0 replies; 15+ messages in thread
From: Corentin Labbe @ 2017-11-08 19:27 UTC (permalink / raw)
  To: Chen-Yu Tsai
  Cc: Rob Herring, Mark Rutland, Russell King, Maxime Ripard,
	devicetree, linux-arm-kernel, linux-kernel

On Wed, Nov 08, 2017 at 02:27:21PM +0800, Chen-Yu Tsai wrote:
> On Wed, Nov 8, 2017 at 4:13 AM, Corentin Labbe
> <clabbe.montjoie-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> wrote:
> > The dwmac-sun8i is an ethernet MAC hardware that support 10/100/1000 speed.
> > This patch enable the dwmac-sun8i on the Allwinner a83t SoC Device-tree.
> 
> The subject should say "add .... device node", not driver.
> 
> >
> > Signed-off-by: Corentin Labbe <clabbe.montjoie-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
> > Reviewed-by: Chen-Yu Tsai <wens-jdAy2FN1RRM@public.gmane.org>
> > ---
> >  arch/arm/boot/dts/sun8i-a83t.dtsi | 29 +++++++++++++++++++++++++++++
> >  1 file changed, 29 insertions(+)
> >
> > diff --git a/arch/arm/boot/dts/sun8i-a83t.dtsi b/arch/arm/boot/dts/sun8i-a83t.dtsi
> > index 19acae1b4089..68e5135410ec 100644
> > --- a/arch/arm/boot/dts/sun8i-a83t.dtsi
> > +++ b/arch/arm/boot/dts/sun8i-a83t.dtsi
> > @@ -336,6 +336,14 @@
> >                         #interrupt-cells = <3>;
> >                         #gpio-cells = <3>;
> >
> > +                       emac_rgmii_pins: emac-rgmii-pins {
> > +                               pins = "PD2", "PD3", "PD4", "PD5", "PD6", "PD7",
> > +                                      "PD11", "PD12", "PD13", "PD14", "PD18",
> > +                                      "PD19", "PD21", "PD22", "PD23";
> > +                               function = "gmac";
> > +                               drive-strength = <40>;
> > +                       };
> > +
> 
> You should mention this change in your commit log.
> 
> ChenYu
> 

Ok I will do it

Thanks
Regards
--
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^ permalink raw reply	[flat|nested] 15+ messages in thread

* [PATCH 1/2] ARM: sun8i: a83t: add dwmac-sun8i ethernet driver
@ 2017-11-08 19:27     ` Corentin Labbe
  0 siblings, 0 replies; 15+ messages in thread
From: Corentin Labbe @ 2017-11-08 19:27 UTC (permalink / raw)
  To: linux-arm-kernel

On Wed, Nov 08, 2017 at 02:27:21PM +0800, Chen-Yu Tsai wrote:
> On Wed, Nov 8, 2017 at 4:13 AM, Corentin Labbe
> <clabbe.montjoie@gmail.com> wrote:
> > The dwmac-sun8i is an ethernet MAC hardware that support 10/100/1000 speed.
> > This patch enable the dwmac-sun8i on the Allwinner a83t SoC Device-tree.
> 
> The subject should say "add .... device node", not driver.
> 
> >
> > Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com>
> > Reviewed-by: Chen-Yu Tsai <wens@csie.org>
> > ---
> >  arch/arm/boot/dts/sun8i-a83t.dtsi | 29 +++++++++++++++++++++++++++++
> >  1 file changed, 29 insertions(+)
> >
> > diff --git a/arch/arm/boot/dts/sun8i-a83t.dtsi b/arch/arm/boot/dts/sun8i-a83t.dtsi
> > index 19acae1b4089..68e5135410ec 100644
> > --- a/arch/arm/boot/dts/sun8i-a83t.dtsi
> > +++ b/arch/arm/boot/dts/sun8i-a83t.dtsi
> > @@ -336,6 +336,14 @@
> >                         #interrupt-cells = <3>;
> >                         #gpio-cells = <3>;
> >
> > +                       emac_rgmii_pins: emac-rgmii-pins {
> > +                               pins = "PD2", "PD3", "PD4", "PD5", "PD6", "PD7",
> > +                                      "PD11", "PD12", "PD13", "PD14", "PD18",
> > +                                      "PD19", "PD21", "PD22", "PD23";
> > +                               function = "gmac";
> > +                               drive-strength = <40>;
> > +                       };
> > +
> 
> You should mention this change in your commit log.
> 
> ChenYu
> 

Ok I will do it

Thanks
Regards

^ permalink raw reply	[flat|nested] 15+ messages in thread

* Re: [PATCH 1/2] ARM: sun8i: a83t: add dwmac-sun8i ethernet driver
  2017-11-08  7:48     ` Maxime Ripard
@ 2017-11-08 19:30       ` Corentin Labbe
  -1 siblings, 0 replies; 15+ messages in thread
From: Corentin Labbe @ 2017-11-08 19:30 UTC (permalink / raw)
  To: Maxime Ripard
  Cc: Chen-Yu Tsai, Rob Herring, Mark Rutland, Russell King,
	devicetree, linux-arm-kernel, linux-kernel

On Wed, Nov 08, 2017 at 08:48:58AM +0100, Maxime Ripard wrote:
> On Wed, Nov 08, 2017 at 02:27:21PM +0800, Chen-Yu Tsai wrote:
> > On Wed, Nov 8, 2017 at 4:13 AM, Corentin Labbe
> > <clabbe.montjoie@gmail.com> wrote:
> > > The dwmac-sun8i is an ethernet MAC hardware that support 10/100/1000 speed.
> > > This patch enable the dwmac-sun8i on the Allwinner a83t SoC Device-tree.
> > 
> > The subject should say "add .... device node", not driver.
> > 
> > >
> > > Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com>
> > > Reviewed-by: Chen-Yu Tsai <wens@csie.org>
> > > ---
> > >  arch/arm/boot/dts/sun8i-a83t.dtsi | 29 +++++++++++++++++++++++++++++
> > >  1 file changed, 29 insertions(+)
> > >
> > > diff --git a/arch/arm/boot/dts/sun8i-a83t.dtsi b/arch/arm/boot/dts/sun8i-a83t.dtsi
> > > index 19acae1b4089..68e5135410ec 100644
> > > --- a/arch/arm/boot/dts/sun8i-a83t.dtsi
> > > +++ b/arch/arm/boot/dts/sun8i-a83t.dtsi
> > > @@ -336,6 +336,14 @@
> > >                         #interrupt-cells = <3>;
> > >                         #gpio-cells = <3>;
> > >
> > > +                       emac_rgmii_pins: emac-rgmii-pins {
> > > +                               pins = "PD2", "PD3", "PD4", "PD5", "PD6", "PD7",
> > > +                                      "PD11", "PD12", "PD13", "PD14", "PD18",
> > > +                                      "PD19", "PD21", "PD22", "PD23";
> > > +                               function = "gmac";
> > > +                               drive-strength = <40>;
> > > +                       };
> > > +
> > 
> > You should mention this change in your commit log.
> 
> And add a comment about why that drive strength is needed.
> 

OK I will do it

Thanks
Regards

^ permalink raw reply	[flat|nested] 15+ messages in thread

* [PATCH 1/2] ARM: sun8i: a83t: add dwmac-sun8i ethernet driver
@ 2017-11-08 19:30       ` Corentin Labbe
  0 siblings, 0 replies; 15+ messages in thread
From: Corentin Labbe @ 2017-11-08 19:30 UTC (permalink / raw)
  To: linux-arm-kernel

On Wed, Nov 08, 2017 at 08:48:58AM +0100, Maxime Ripard wrote:
> On Wed, Nov 08, 2017 at 02:27:21PM +0800, Chen-Yu Tsai wrote:
> > On Wed, Nov 8, 2017 at 4:13 AM, Corentin Labbe
> > <clabbe.montjoie@gmail.com> wrote:
> > > The dwmac-sun8i is an ethernet MAC hardware that support 10/100/1000 speed.
> > > This patch enable the dwmac-sun8i on the Allwinner a83t SoC Device-tree.
> > 
> > The subject should say "add .... device node", not driver.
> > 
> > >
> > > Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com>
> > > Reviewed-by: Chen-Yu Tsai <wens@csie.org>
> > > ---
> > >  arch/arm/boot/dts/sun8i-a83t.dtsi | 29 +++++++++++++++++++++++++++++
> > >  1 file changed, 29 insertions(+)
> > >
> > > diff --git a/arch/arm/boot/dts/sun8i-a83t.dtsi b/arch/arm/boot/dts/sun8i-a83t.dtsi
> > > index 19acae1b4089..68e5135410ec 100644
> > > --- a/arch/arm/boot/dts/sun8i-a83t.dtsi
> > > +++ b/arch/arm/boot/dts/sun8i-a83t.dtsi
> > > @@ -336,6 +336,14 @@
> > >                         #interrupt-cells = <3>;
> > >                         #gpio-cells = <3>;
> > >
> > > +                       emac_rgmii_pins: emac-rgmii-pins {
> > > +                               pins = "PD2", "PD3", "PD4", "PD5", "PD6", "PD7",
> > > +                                      "PD11", "PD12", "PD13", "PD14", "PD18",
> > > +                                      "PD19", "PD21", "PD22", "PD23";
> > > +                               function = "gmac";
> > > +                               drive-strength = <40>;
> > > +                       };
> > > +
> > 
> > You should mention this change in your commit log.
> 
> And add a comment about why that drive strength is needed.
> 

OK I will do it

Thanks
Regards

^ permalink raw reply	[flat|nested] 15+ messages in thread

end of thread, other threads:[~2017-11-08 19:30 UTC | newest]

Thread overview: 15+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2017-11-07 20:13 [PATCH 1/2] ARM: sun8i: a83t: add dwmac-sun8i ethernet driver Corentin Labbe
2017-11-07 20:13 ` Corentin Labbe
2017-11-07 20:13 ` [PATCH 2/2] ARM: sun8i: bananapi-m3: Enable dwmac-sun8i Corentin Labbe
2017-11-07 20:13   ` Corentin Labbe
2017-11-07 20:13   ` Corentin Labbe
2017-11-08  6:27 ` [PATCH 1/2] ARM: sun8i: a83t: add dwmac-sun8i ethernet driver Chen-Yu Tsai
2017-11-08  6:27   ` Chen-Yu Tsai
2017-11-08  7:48   ` Maxime Ripard
2017-11-08  7:48     ` Maxime Ripard
2017-11-08  7:48     ` Maxime Ripard
2017-11-08 19:30     ` Corentin Labbe
2017-11-08 19:30       ` Corentin Labbe
2017-11-08 19:27   ` Corentin Labbe
2017-11-08 19:27     ` Corentin Labbe
2017-11-08 19:27     ` Corentin Labbe

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