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Commit af671e7b authored by Xing Zheng's avatar Xing Zheng Committed by David S. Miller
Browse files

ARM: dts: rockchip: add to support emac for rk3036 SoCs 



This patch adds the emac device node for rk3036 SoCs.
We need to let mac clock under the DPLL which is able to provide
the accurate 50MHz what mac_ref need, since that will cause some
unstable things if the cpufreq is working.

Signed-off-by: default avatarXing Zheng <zhengxing@rock-chips.com>
Signed-off-by: default avatarCaesar Wang <wxt@rock-chips.com>
Cc: linux-rockchip@lists.infradead.org
Cc: Xing Zheng <zhengxing@rock-chips.com>
Cc: Heiko Stuebner <heiko@sntech.de>
Cc: linux-arm-kernel@lists.infradead.org
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 2c6fae25

arch/arm/boot/dts/rk3036-evb.dts

+14 −0
Original line number Diff line number Diff line
@@ -47,6 +47,20 @@ 
	compatible = "rockchip,rk3036-evb", "rockchip,rk3036";

};



&emac {

	pinctrl-names = "default";

	pinctrl-0 = <&emac_xfer>, <&emac_mdio>;

	phy = <&phy0>;

	phy-reset-gpios = <&gpio2 22 GPIO_ACTIVE_LOW>; /* PHY_RST */

	phy-reset-duration = <10>; /* millisecond */



	status = "okay";



	phy0: ethernet-phy@0 {

		reg = <0>;

	};

};



&i2c1 {

	status = "okay";

arch/arm/boot/dts/rk3036-kylin.dts

+14 −0
Original line number Diff line number Diff line
@@ -60,6 +60,20 @@ 
	status = "okay";

};



&emac {

	pinctrl-names = "default";

	pinctrl-0 = <&emac_xfer>, <&emac_mdio>;

	phy = <&phy0>;

	phy-reset-gpios = <&gpio2 22 GPIO_ACTIVE_LOW>; /* PHY_RST */

	phy-reset-duration = <10>; /* millisecond */



	status = "okay";



	phy0: ethernet-phy@0 {

		reg = <0>;

	};

};



&emmc {

	status = "okay";

};

arch/arm/boot/dts/rk3036.dtsi

+39 −0
Original line number Diff line number Diff line
@@ -186,6 +186,27 @@ 
		status = "disabled";

	};



	emac: ethernet@10200000 {

		compatible = "rockchip,rk3036-emac", "snps,arc-emac";

		reg = <0x10200000 0x4000>;

		interrupts = <GIC_SPI 8 IRQ_TYPE_LEVEL_HIGH>;

		#address-cells = <1>;

		#size-cells = <0>;

		rockchip,grf = <&grf>;

		clocks = <&cru HCLK_MAC>, <&cru SCLK_MACREF>, <&cru SCLK_MAC>;

		clock-names = "hclk", "macref", "macclk";

		/*

		 * Fix the emac parent clock is DPLL instead of APLL.

		 * since that will cause some unstable things if the cpufreq

		 * is working. (e.g: the accurate 50MHz what mac_ref need)

		 */

		assigned-clocks = <&cru SCLK_MACPLL>;

		assigned-clock-parents = <&cru PLL_DPLL>;

		max-speed = <100>;

		phy-mode = "rmii";

		status = "disabled";

	};



	sdmmc: dwmmc@10214000 {

		compatible = "rockchip,rk3036-dw-mshc", "rockchip,rk3288-dw-mshc";

		reg = <0x10214000 0x4000>;
@@ -556,6 +577,24 @@ 
			};

		};



		emac {

			emac_xfer: emac-xfer {

				rockchip,pins = <2 10 RK_FUNC_1 &pcfg_pull_default>, /* crs_dvalid */

						<2 13 RK_FUNC_1 &pcfg_pull_default>, /* tx_en */

						<2 14 RK_FUNC_1 &pcfg_pull_default>, /* mac_clk */

						<2 15 RK_FUNC_1 &pcfg_pull_default>, /* rx_err */

						<2 16 RK_FUNC_1 &pcfg_pull_default>, /* rxd1 */

						<2 17 RK_FUNC_1 &pcfg_pull_default>, /* rxd0 */

						<2 18 RK_FUNC_1 &pcfg_pull_default>, /* txd1 */

						<2 19 RK_FUNC_1 &pcfg_pull_default>; /* txd0 */

			};



			emac_mdio: emac-mdio {

				rockchip,pins = <2 12 RK_FUNC_1 &pcfg_pull_default>, /* mac_md */

						<2 25 RK_FUNC_1 &pcfg_pull_default>; /* mac_mdclk */

			};

		};



		i2c0 {

			i2c0_xfer: i2c0-xfer {

				rockchip,pins = <0 0 RK_FUNC_1 &pcfg_pull_none>,