[PATCH 0/4] Support the rk3399 gmac pd function

[PATCH 0/4] Support the rk3399 gmac pd function

[Caesar Wang]

This patch add to handle the gmac pd issue, and support
the rk3399 gmac for devicetree.



Caesar Wang (2):
  arm64: dts: rockchip: support gmac for rk3399
  arm64: dts: rockchip: enable the gmac for rk3399 evb board

David Wu (1):
  net: stmmac: dwmac-rk: add pd_gmac support for rk3399

Roger Chen (1):
  net: stmmac: dwmac-rk: fixes the gmac resume after PD on/off

 arch/arm64/boot/dts/rockchip/rk3399-evb.dts    | 31 +++++++++
 arch/arm64/boot/dts/rockchip/rk3399.dtsi       | 90 ++++++++++++++++++++++++++
 drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c | 27 +++++---
 3 files changed, 139 insertions(+), 9 deletions(-)

-- 
1.9.1

[PATCH 3/4] arm64: dts: rockchip: support gmac for rk3399

[Caesar Wang]

This patch adds needed gamc information for rk3399,
also support the gmac pd.

Signed-off-by: Roger Chen <roger.chen@rock-chips.com>
Signed-off-by: Caesar Wang <wxt@rock-chips.com>
---

 arch/arm64/boot/dts/rockchip/rk3399.dtsi | 90 ++++++++++++++++++++++++++++++++
 1 file changed, 90 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3399.dtsi b/arch/arm64/boot/dts/rockchip/rk3399.dtsi
index 32aebc8..53ac651 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3399.dtsi
@@ -200,6 +200,26 @@
 		};
 	};
 
+	gmac: eth at fe300000 {
+		compatible = "rockchip,rk3399-gmac";
+		reg = <0x0 0xfe300000 0x0 0x10000>;
+		rockchip,grf = <&grf>;
+		interrupts = <GIC_SPI 12 IRQ_TYPE_LEVEL_HIGH>;
+		interrupt-names = "macirq";
+		clocks = <&cru SCLK_MAC>, <&cru SCLK_MAC_RX>,
+			 <&cru SCLK_MAC_TX>, <&cru SCLK_MACREF>,
+			 <&cru SCLK_MACREF_OUT>, <&cru ACLK_GMAC>,
+			 <&cru PCLK_GMAC>;
+		clock-names = "stmmaceth", "mac_clk_rx",
+			      "mac_clk_tx", "clk_mac_ref",
+			      "clk_mac_refout", "aclk_mac",
+			      "pclk_mac";
+		resets = <&cru SRST_A_GMAC>;
+		reset-names = "stmmaceth";
+		power-domains = <&power RK3399_PD_GMAC>;
+		status = "disabled";
+	};
+
 	sdio0: dwmmc at fe310000 {
 		compatible = "rockchip,rk3399-dw-mshc",
 			     "rockchip,rk3288-dw-mshc";
@@ -611,6 +631,11 @@
 		status = "disabled";
 	};
 
+	qos_gmac: qos at ffa5c000 {
+		compatible = "syscon";
+		reg = <0x0 0xffa5c000 0x0 0x20>;
+	};
+
 	qos_hdcp: qos at ffa90000 {
 		compatible = "syscon";
 		reg = <0x0 0xffa90000 0x0 0x20>;
@@ -704,6 +729,11 @@
 			#size-cells = <0>;
 
 			/* These power domains are grouped by VD_CENTER */
+			pd_gmac at RK3399_PD_GMAC {
+				reg = <RK3399_PD_GMAC>;
+				clocks = <&cru ACLK_GMAC>;
+				pm_qos = <&qos_gmac>;
+			};
 			pd_iep at RK3399_PD_IEP {
 				reg = <RK3399_PD_IEP>;
 				clocks = <&cru ACLK_IEP>,
@@ -1183,6 +1213,66 @@
 			drive-strength = <13>;
 		};
 
+		gmac {
+			rgmii_pins: rgmii-pins {
+				rockchip,pins =
+					/* mac_txclk */
+					<3 17 RK_FUNC_1 &pcfg_pull_none_13ma>,
+					/* mac_rxclk */
+					<3 14 RK_FUNC_1 &pcfg_pull_none>,
+					/* mac_mdio */
+					<3 13 RK_FUNC_1 &pcfg_pull_none>,
+					/* mac_txen */
+					<3 12 RK_FUNC_1 &pcfg_pull_none_13ma>,
+					/* mac_clk */
+					<3 11 RK_FUNC_1 &pcfg_pull_none>,
+					/* mac_rxdv */
+					<3 9 RK_FUNC_1 &pcfg_pull_none>,
+					/* mac_mdc */
+					<3 8 RK_FUNC_1 &pcfg_pull_none>,
+					/* mac_rxd1 */
+					<3 7 RK_FUNC_1 &pcfg_pull_none>,
+					/* mac_rxd0 */
+					<3 6 RK_FUNC_1 &pcfg_pull_none>,
+					/* mac_txd1 */
+					<3 5 RK_FUNC_1 &pcfg_pull_none_13ma>,
+					/* mac_txd0 */
+					<3 4 RK_FUNC_1 &pcfg_pull_none_13ma>,
+					/* mac_rxd3 */
+					<3 3 RK_FUNC_1 &pcfg_pull_none>,
+					/* mac_rxd2 */
+					<3 2 RK_FUNC_1 &pcfg_pull_none>,
+					/* mac_txd3 */
+					<3 1 RK_FUNC_1 &pcfg_pull_none_13ma>,
+					/* mac_txd2 */
+					<3 0 RK_FUNC_1 &pcfg_pull_none_13ma>;
+			};
+
+			rmii_pins: rmii-pins {
+				rockchip,pins =
+					/* mac_mdio */
+					<3 13 RK_FUNC_1 &pcfg_pull_none>,
+					/* mac_txen */
+					<3 12 RK_FUNC_1 &pcfg_pull_none_13ma>,
+					/* mac_clk */
+					<3 11 RK_FUNC_1 &pcfg_pull_none>,
+					/* mac_rxer */
+					<3 10 RK_FUNC_1 &pcfg_pull_none>,
+					/* mac_rxdv */
+					<3 9 RK_FUNC_1 &pcfg_pull_none>,
+					/* mac_mdc */
+					<3 8 RK_FUNC_1 &pcfg_pull_none>,
+					/* mac_rxd1 */
+					<3 7 RK_FUNC_1 &pcfg_pull_none>,
+					/* mac_rxd0 */
+					<3 6 RK_FUNC_1 &pcfg_pull_none>,
+					/* mac_txd1 */
+					<3 5 RK_FUNC_1 &pcfg_pull_none_13ma>,
+					/* mac_txd0 */
+					<3 4 RK_FUNC_1 &pcfg_pull_none_13ma>;
+			};
+		};
+
 		i2c0 {
 			i2c0_xfer: i2c0-xfer {
 				rockchip,pins =
-- 
1.9.1

[PATCH 4/4] arm64: dts: rockchip: enable the gmac for rk3399 evb board

[Caesar Wang]

We add the required and optional properties for evb board.
See the [0] to get the detail information.

[0]:
Documentation/devicetree/bindings/net/rockchip-dwmac.txt

Signed-off-by: Roger Chen <roger.chen@rock-chips.com>
Signed-off-by: Caesar Wang <wxt@rock-chips.com>
---

 arch/arm64/boot/dts/rockchip/rk3399-evb.dts | 31 +++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3399-evb.dts b/arch/arm64/boot/dts/rockchip/rk3399-evb.dts
index d47b4e9..ed6f2e8 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-evb.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3399-evb.dts
@@ -94,12 +94,43 @@
 		regulator-always-on;
 		regulator-boot-on;
 	};
+
+	clkin_gmac: external-gmac-clock {
+		compatible = "fixed-clock";
+		clock-frequency = <125000000>;
+		clock-output-names = "clkin_gmac";
+		#clock-cells = <0>;
+	};
+
+	vcc_phy: vcc-phy-regulator {
+		compatible = "regulator-fixed";
+		regulator-name = "vcc_phy";
+		regulator-always-on;
+		regulator-boot-on;
+	};
+
 };
 
 &emmc_phy {
 	status = "okay";
 };
 
+&gmac {
+	phy-supply = <&vcc_phy>;
+	phy-mode = "rgmii";
+	clock_in_out = "input";
+	snps,reset-gpio = <&gpio3 15 GPIO_ACTIVE_LOW>;
+	snps,reset-active-low;
+	snps,reset-delays-us = <0 10000 50000>;
+	assigned-clocks = <&cru SCLK_RMII_SRC>;
+	assigned-clock-parents = <&clkin_gmac>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&rgmii_pins>;
+	tx_delay = <0x28>;
+	rx_delay = <0x11>;
+	status = "okay";
+};
+
 &pwm0 {
 	status = "okay";
 };
-- 
1.9.1

[PATCH 3/4] arm64: dts: rockchip: support gmac for rk3399

[Heiko Stübner]

Am Mittwoch, 31. August 2016, 04:30:06 schrieb Caesar Wang:
> This patch adds needed gamc information for rk3399,
> also support the gmac pd.
> 
> Signed-off-by: Roger Chen <roger.chen@rock-chips.com>
> Signed-off-by: Caesar Wang <wxt@rock-chips.com>
> ---
> 
>  arch/arm64/boot/dts/rockchip/rk3399.dtsi | 90
> ++++++++++++++++++++++++++++++++ 1 file changed, 90 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/rockchip/rk3399.dtsi
> b/arch/arm64/boot/dts/rockchip/rk3399.dtsi index 32aebc8..53ac651 100644
> --- a/arch/arm64/boot/dts/rockchip/rk3399.dtsi
> +++ b/arch/arm64/boot/dts/rockchip/rk3399.dtsi
> @@ -200,6 +200,26 @@
>  		};
>  	};
> 
> +	gmac: eth at fe300000 {
> +		compatible = "rockchip,rk3399-gmac";
> +		reg = <0x0 0xfe300000 0x0 0x10000>;
> +		rockchip,grf = <&grf>;

should move below the reset-names .

> +		interrupts = <GIC_SPI 12 IRQ_TYPE_LEVEL_HIGH>;
> +		interrupt-names = "macirq";
> +		clocks = <&cru SCLK_MAC>, <&cru SCLK_MAC_RX>,
> +			 <&cru SCLK_MAC_TX>, <&cru SCLK_MACREF>,
> +			 <&cru SCLK_MACREF_OUT>, <&cru ACLK_GMAC>,
> +			 <&cru PCLK_GMAC>;
> +		clock-names = "stmmaceth", "mac_clk_rx",
> +			      "mac_clk_tx", "clk_mac_ref",
> +			      "clk_mac_refout", "aclk_mac",
> +			      "pclk_mac";
> +		resets = <&cru SRST_A_GMAC>;
> +		reset-names = "stmmaceth";
> +		power-domains = <&power RK3399_PD_GMAC>;

The driver core should handle regular power-domain handling on device creation 
already, right? So I should be able to apply patches 3 and 4 even without the 
dwmac patches, right?

Also if resending please move power-domains above resets


Heiko