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Date: Thu, 04 Sep 2014 14:11:51 +0200
From: Heiko Stübner <heiko@...ech.de>
To: Romain Perier <romain.perier@...il.com>
Cc: linux-rockchip@...ts.infradead.org,
linux-arm-kernel@...ts.infradead.org, netdev@...r.kernel.org,
devicetree@...r.kernel.org, arnd@...db.de
Subject: Re: [PATCH 3/4] ARM: dts: Add emac nodes to the rk3188 device tree
Am Mittwoch, 3. September 2014, 16:52:44 schrieb Romain Perier:
> This adds support for EMAC Rockchip driver on RK3188 SoCs.
>
> Signed-off-by: Romain Perier <romain.perier@...il.com>
could you think about changing patches 3 and 4 with the diff below?
For one the comment style is not really following the coding style.
I guess either remove the comments completely or switch to a /* ... */
form.
More importantly, I think the compatible is a property of the SoC and does
not need to be replicated into every board, so it should live in a small
&emac node in the rk3188.dtsi to adapt the property.
Heiko
diff --git a/arch/arm/boot/dts/rk3188-radxarock.dts b/arch/arm/boot/dts/rk3188-radxarock.dts
index 9f37c6f..a5c90e1 100644
--- a/arch/arm/boot/dts/rk3188-radxarock.dts
+++ b/arch/arm/boot/dts/rk3188-radxarock.dts
@@ -100,7 +100,6 @@
&emac {
status = "okay";
- compatible = "rockchip,rk3188-emac";
pinctrl-names = "default";
pinctrl-0 = <&emac_xfer>, <&emac_mdio>, <&phy_int>;
diff --git a/arch/arm/boot/dts/rk3188.dtsi b/arch/arm/boot/dts/rk3188.dtsi
index 1261358..fd7511e 100644
--- a/arch/arm/boot/dts/rk3188.dtsi
+++ b/arch/arm/boot/dts/rk3188.dtsi
@@ -193,14 +193,14 @@
emac {
emac_xfer: emac-xfer {
- rockchip,pins = <RK_GPIO3 16 RK_FUNC_2 &pcfg_pull_none>, //tx_en
- <RK_GPIO3 17 RK_FUNC_2 &pcfg_pull_none>, //txd1
- <RK_GPIO3 18 RK_FUNC_2 &pcfg_pull_none>, //txd0
- <RK_GPIO3 19 RK_FUNC_2 &pcfg_pull_none>, //rxd0
- <RK_GPIO3 20 RK_FUNC_2 &pcfg_pull_none>, //rxd1
- <RK_GPIO3 21 RK_FUNC_2 &pcfg_pull_none>, //mac_clk
- <RK_GPIO3 22 RK_FUNC_2 &pcfg_pull_none>, //rx_err
- <RK_GPIO3 23 RK_FUNC_2 &pcfg_pull_none>; //crs_dvalid
+ rockchip,pins = <RK_GPIO3 16 RK_FUNC_2 &pcfg_pull_none>, /* tx_en */
+ <RK_GPIO3 17 RK_FUNC_2 &pcfg_pull_none>, /* txd1 */
+ <RK_GPIO3 18 RK_FUNC_2 &pcfg_pull_none>, /* txd0 */
+ <RK_GPIO3 19 RK_FUNC_2 &pcfg_pull_none>, /* rxd0 */
+ <RK_GPIO3 20 RK_FUNC_2 &pcfg_pull_none>, /* rxd1 */
+ <RK_GPIO3 21 RK_FUNC_2 &pcfg_pull_none>, /* mac_clk */
+ <RK_GPIO3 22 RK_FUNC_2 &pcfg_pull_none>, /* rx_err */
+ <RK_GPIO3 23 RK_FUNC_2 &pcfg_pull_none>; /* crs_dvalid */
};
emac_mdio: emac-mdio {
@@ -385,6 +385,10 @@
};
};
+&emac {
+ compatible = "rockchip,rk3188-emac";
+};
+
&global_timer {
interrupts = <GIC_PPI 11 0xf04>;
};
> ---
> arch/arm/boot/dts/rk3188.dtsi | 18 ++++++++++++++++++
> arch/arm/boot/dts/rk3xxx.dtsi | 17 +++++++++++++++++
> 2 files changed, 35 insertions(+)
>
> diff --git a/arch/arm/boot/dts/rk3188.dtsi b/arch/arm/boot/dts/rk3188.dtsi
> index ee801a9..a182713 100644
> --- a/arch/arm/boot/dts/rk3188.dtsi
> +++ b/arch/arm/boot/dts/rk3188.dtsi
> @@ -147,6 +147,24 @@
> bias-disable;
> };
>
> + emac {
> + emac_xfer: emac-xfer {
> + rockchip,pins = <RK_GPIO3 16 RK_FUNC_2 &pcfg_pull_none>, //tx_en
> + <RK_GPIO3 17 RK_FUNC_2 &pcfg_pull_none>, //txd1
> + <RK_GPIO3 18 RK_FUNC_2 &pcfg_pull_none>, //txd0
> + <RK_GPIO3 19 RK_FUNC_2 &pcfg_pull_none>, //rxd0
> + <RK_GPIO3 20 RK_FUNC_2 &pcfg_pull_none>, //rxd1
> + <RK_GPIO3 21 RK_FUNC_2 &pcfg_pull_none>, //mac_clk
> + <RK_GPIO3 22 RK_FUNC_2 &pcfg_pull_none>, //rx_err
> + <RK_GPIO3 23 RK_FUNC_2 &pcfg_pull_none>; //crs_dvalid
> + };
> +
> + emac_mdio: emac-mdio {
> + rockchip,pins = <RK_GPIO3 24 RK_FUNC_2 &pcfg_pull_none>,
> + <RK_GPIO3 25 RK_FUNC_2 &pcfg_pull_none>;
> + };
> + };
> +
> i2c0 {
> i2c0_xfer: i2c0-xfer {
> rockchip,pins = <RK_GPIO1 24 RK_FUNC_1 &pcfg_pull_none>,
> diff --git a/arch/arm/boot/dts/rk3xxx.dtsi b/arch/arm/boot/dts/rk3xxx.dtsi
> index 8caf85d..208b1df 100644
> --- a/arch/arm/boot/dts/rk3xxx.dtsi
> +++ b/arch/arm/boot/dts/rk3xxx.dtsi
> @@ -91,6 +91,23 @@
> status = "disabled";
> };
>
> + emac: ethernet@...04000 {
> + compatible = "snps,arc-emac";
> + reg = <0x10204000 0x3c>;
> + interrupts = <GIC_SPI 19 IRQ_TYPE_LEVEL_HIGH>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + rockchip,grf = <&grf>;
> +
> + clocks = <&cru HCLK_EMAC>, <&cru SCLK_MAC>;
> + clock-names = "hclk", "macref";
> + max-speed = <100>;
> + phy-mode = "rmii";
> +
> + status = "disabled";
> + };
> +
> mmc0: dwmmc@...14000 {
> compatible = "rockchip,rk2928-dw-mshc";
> reg = <0x10214000 0x1000>;
--
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