linux-kernel - [RFC PATCH 3/4] arm64: dts: allwinner: h6: Add AC200 EPHY related nodes

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Message-Id: <20200416185758.1388148-4-jernej.skrabec@siol.net>
Date:   Thu, 16 Apr 2020 20:57:57 +0200
From:   Jernej Skrabec <jernej.skrabec@...l.net>
To:     robh+dt@...nel.org, andrew@...n.ch, f.fainelli@...il.com,
        hkallweit1@...il.com
Cc:     mripard@...nel.org, wens@...e.org, lee.jones@...aro.org,
        linux@...linux.org.uk, davem@...emloft.net,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, netdev@...r.kernel.org
Subject: [RFC PATCH 3/4] arm64: dts: allwinner: h6: Add AC200 EPHY related nodes

Allwinner H6 contains copackaged AC200 multi functional IC which takes
care for analog audio, CVBS output, (another) RTC and Ethernet PHY.

Add support for Ethernet PHY for now.

Signed-off-by: Jernej Skrabec <jernej.skrabec@...l.net>
---
 arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi | 63 ++++++++++++++++++++
 1 file changed, 63 insertions(+)

diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi
index a5ee68388bd3..8663d2146e0f 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi
+++ b/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi
@@ -16,6 +16,16 @@ / {
 	#address-cells = <1>;
 	#size-cells = <1>;
 
+	ac200_pwm_clk: ac200_clk {
+		compatible = "pwm-clock";
+		#clock-cells = <0>;
+		clock-frequency = <24000000>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&pwm1_pin>;
+		pwms = <&pwm 1 42 0>;
+		status = "disabled";
+	};
+
 	cpus {
 		#address-cells = <1>;
 		#size-cells = <0>;
@@ -250,6 +260,10 @@ sid: efuse@...6000 {
 			ths_calibration: thermal-sensor-calibration@14 {
 				reg = <0x14 0x8>;
 			};
+
+			ephy_calibration: ephy-calibration@2c {
+				reg = <0x2c 0x2>;
+			};
 		};
 
 		watchdog: watchdog@...90a0 {
@@ -294,6 +308,14 @@ ext_rgmii_pins: rgmii-pins {
 				drive-strength = <40>;
 			};
 
+			/omit-if-no-ref/
+			ext_rmii_pins: rmii_pins {
+				pins = "PA0", "PA1", "PA2", "PA3", "PA4",
+				       "PA5", "PA6", "PA7", "PA8", "PA9";
+				function = "emac";
+				drive-strength = <40>;
+			};
+
 			hdmi_pins: hdmi-pins {
 				pins = "PH8", "PH9", "PH10";
 				function = "hdmi";
@@ -314,6 +336,11 @@ i2c2_pins: i2c2-pins {
 				function = "i2c2";
 			};
 
+			i2c3_pins: i2c3-pins {
+				pins = "PB17", "PB18";
+				function = "i2c3";
+			};
+
 			mmc0_pins: mmc0-pins {
 				pins = "PF0", "PF1", "PF2", "PF3",
 				       "PF4", "PF5";
@@ -331,6 +358,11 @@ mmc1_pins: mmc1-pins {
 				bias-pull-up;
 			};
 
+			pwm1_pin: pwm1-pin {
+				pins = "PB19";
+				function = "pwm1";
+			};
+
 			mmc2_pins: mmc2-pins {
 				pins = "PC1", "PC4", "PC5", "PC6",
 				       "PC7", "PC8", "PC9", "PC10",
@@ -531,6 +563,37 @@ i2c2: i2c@...2800 {
 			#size-cells = <0>;
 		};
 
+		i2c3: i2c@...2c00 {
+			compatible = "allwinner,sun50i-h6-i2c",
+				     "allwinner,sun6i-a31-i2c";
+			reg = <0x05002c00 0x400>;
+			interrupts = <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&ccu CLK_BUS_I2C3>;
+			resets = <&ccu RST_BUS_I2C3>;
+			pinctrl-names = "default";
+			pinctrl-0 = <&i2c3_pins>;
+			status = "disabled";
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			ac200: mfd@10 {
+				compatible = "x-powers,ac200";
+				reg = <0x10>;
+				clocks = <&ac200_pwm_clk>;
+				interrupt-parent = <&pio>;
+				interrupts = <1 20 IRQ_TYPE_LEVEL_LOW>;
+				interrupt-controller;
+				#interrupt-cells = <1>;
+
+				ac200_ephy: phy {
+					compatible = "x-powers,ac200-ephy";
+					nvmem-cells = <&ephy_calibration>;
+					nvmem-cell-names = "calibration";
+					status = "disabled";
+				};
+			};
+		};
+
 		spi0: spi@...0000 {
 			compatible = "allwinner,sun50i-h6-spi",
 				     "allwinner,sun8i-h3-spi";
-- 
2.26.0