Allwinner DT changes for 5.1, take 2

Our usual bunch of DT changes for the Allwinner arm SoCs:
   - LCD support for the Q8 A13 tablets
   - GMAC support for the A80
   - PMIC power supplies for the A83t
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Merge tag 'sunxi-dt-for-5.1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux into arm/dt

Allwinner DT changes for 5.1, take 2

Our usual bunch of DT changes for the Allwinner arm SoCs:
  - LCD support for the Q8 A13 tablets
  - GMAC support for the A80
  - PMIC power supplies for the A83t

* tag 'sunxi-dt-for-5.1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux:
  ARM: dts: sun8i: a83t: Enable PMIC power supplies on various boards
  ARM: dts: sun9i: cubieboard4: Enable GMAC
  ARM: dts: sun9i: a80-optimus: Enable GMAC
  ARM: dts: sun9i: Add A80 GMAC RGMII pinmux setting
  ARM: dts: sun9i: Add A80 GMAC gigabit ethernet controller node
  ARM: dts: sun9i: Add GMAC clock node
  ARM: dts: sun9i: cubieboard4: Add GPIO pin-bank regulator supplies
  ARM: dts: sun9i: a80-optimus: Add GPIO pin-bank regulator supplies
  ARM: dts: sun9i: a80-optimus: Add node for AXP809's unused dc1sw regulator
  ARM: dts: sun5i: q8-tablet: Use bananapi,s070wv20-ct16 panel compatible
  ARM: dts: sun5i: q8-tablet: Add LCD Panel power supply
  ARM: dts: sun5i: q8-tablet: Add LCD Panel enable GPIO
  ARM: dts: sun5i: q8-tablet: Move panel properties to correct node level
  ARM: dts: sun5i: Add backlight GPIO for reference design tablet

Signed-off-by: Arnd Bergmann <arnd@arndb.de>

arch/arm/boot/dts/sun5i-a13-q8-tablet.dts

@@ -49,14 +49,15 @@ / {
 	compatible = "allwinner,q8-a13", "allwinner,sun5i-a13";
 
 	panel: panel {
-		compatible = "urt,umsh-8596md-t", "simple-panel";
+		compatible = "bananapi,s070wv20-ct16", "simple-panel";
+		power-supply = <&reg_vcc3v3>;
+		enable-gpios = <&axp_gpio 0 GPIO_ACTIVE_HIGH>; /* AXP GPIO0 */
+		backlight = <&backlight>;
 		#address-cells = <1>;
 		#size-cells = <0>;
 
 		port@0 {
 			reg = <0>;
-			/* TODO: lcd panel uses axp gpio0 as enable pin */
-			backlight = <&backlight>;
 			#address-cells = <1>;
 			#size-cells = <0>;
 

arch/arm/boot/dts/sun5i-reference-design-tablet.dtsi

@@ -54,7 +54,7 @@ backlight: backlight {
 		pwms = <&pwm 0 50000 PWM_POLARITY_INVERTED>;
 		brightness-levels = <0 10 20 30 40 50 60 70 80 90 100>;
 		default-brightness-level = <8>;
-		/* TODO: backlight uses axp gpio1 as enable pin */
+		enable-gpios = <&axp_gpio 1 GPIO_ACTIVE_HIGH>; /* AXP GPIO1 */
 	};
 
 	chosen {

arch/arm/boot/dts/sun8i-a83t-allwinner-h8homlet-v2.dts

@@ -154,6 +154,10 @@ ac100_rtc: rtc {
 
 #include "axp81x.dtsi"
 
+&ac_power_supply {
+	status = "okay";
+};
+
 &reg_aldo1 {
 	regulator-always-on;
 	regulator-min-microvolt = <1800000>;

arch/arm/boot/dts/sun8i-a83t-bananapi-m3.dts

@@ -237,6 +237,14 @@ ac100_rtc: rtc {
 
 #include "axp81x.dtsi"
 
+&ac_power_supply {
+	status = "okay";
+};
+
+&battery_power_supply {
+	status = "okay";
+};
+
 &reg_aldo1 {
 	regulator-always-on;
 	regulator-min-microvolt = <1800000>;

arch/arm/boot/dts/sun8i-a83t-cubietruck-plus.dts

@@ -247,6 +247,14 @@ ac100_rtc: rtc {
 
 #include "axp81x.dtsi"
 
+&ac_power_supply {
+	status = "okay";
+};
+
+&battery_power_supply {
+	status = "okay";
+};
+
 &reg_aldo1 {
 	regulator-always-on;
 	regulator-min-microvolt = <1800000>;

arch/arm/boot/dts/sun9i-a80-cubieboard4.dts

@@ -133,6 +133,19 @@ &de {
 	status = "okay";
 };
 
+&gmac {
+	pinctrl-names = "default";
+	pinctrl-0 = <&gmac_rgmii_pins>;
+	phy = <&phy1>;
+	phy-mode = "rgmii";
+	phy-supply = <&reg_cldo1>;
+	status = "okay";
+
+	phy1: ethernet-phy@1 {
+		reg = <1>;
+	};
+};
+
 &i2c3 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&i2c3_pins>;
@@ -183,10 +196,26 @@ &osc32k {
 	clocks = <&ac100_rtc 0>;
 };
 
+&pio {
+	vcc-pa-supply = <&reg_ldo_io1>;
+	vcc-pb-supply = <&reg_aldo2>;
+	vcc-pc-supply = <&reg_dcdc1>;
+	vcc-pd-supply = <&reg_dc1sw>;
+	vcc-pe-supply = <&reg_eldo2>;
+	vcc-pf-supply = <&reg_dcdc1>;
+	vcc-pg-supply = <&reg_ldo_io0>;
+	vcc-ph-supply = <&reg_dcdc1>;
+};
+
 &r_ir {
 	status = "okay";
 };
 
+&r_pio {
+	vcc-pl-supply = <&reg_dldo2>;
+	vcc-pm-supply = <&reg_eldo3>;
+};
+
 &r_rsb {
 	status = "okay";
 
@@ -217,6 +246,10 @@ aldo3 {
 				/* unused */
 			};
 
+			reg_dc1sw: dc1sw {
+				regulator-name = "vcc-pd";
+			};
+
 			reg_dc5ldo: dc5ldo {
 				regulator-always-on;
 				regulator-min-microvolt = <800000>;
@@ -271,7 +304,6 @@ reg_dldo1: dldo1 {
 			};
 
 			reg_dldo2: dldo2 {
-				regulator-always-on;
 				regulator-min-microvolt = <3000000>;
 				regulator-max-microvolt = <3000000>;
 				regulator-name = "vcc-pl";
@@ -290,14 +322,12 @@ reg_eldo2: eldo2 {
 			};
 
 			reg_eldo3: eldo3 {
-				regulator-always-on;
 				regulator-min-microvolt = <3000000>;
 				regulator-max-microvolt = <3000000>;
 				regulator-name = "vcc-pm-codec-io1";
 			};
 
 			reg_ldo_io0: ldo_io0 {
-				regulator-always-on;
 				regulator-min-microvolt = <3000000>;
 				regulator-max-microvolt = <3000000>;
 				regulator-name = "vcc-pg";
@@ -385,6 +415,14 @@ reg_cldo1: cldo1 {
 				 */
 				regulator-min-microvolt = <3300000>;
 				regulator-max-microvolt = <3300000>;
+				/*
+				 * The PHY requires 20ms after all voltages
+				 * are applied until core logic is ready and
+				 * 30ms after the reset pin is de-asserted.
+				 * Set a 100ms delay to account for PMIC
+				 * ramp time and board traces.
+				 */
+				regulator-enable-ramp-delay = <100000>;
 				regulator-name = "vcc-gmac-phy";
 			};
 

arch/arm/boot/dts/sun9i-a80-optimus.dts

@@ -120,6 +120,19 @@ &ehci2 {
 	status = "okay";
 };
 
+&gmac {
+	pinctrl-names = "default";
+	pinctrl-0 = <&gmac_rgmii_pins>;
+	phy = <&phy1>;
+	phy-mode = "rgmii";
+	phy-supply = <&reg_cldo1>;
+	status = "okay";
+
+	phy1: ethernet-phy@1 {
+		reg = <1>;
+	};
+};
+
 &mmc0 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&mmc0_pins>;
@@ -172,10 +185,26 @@ &osc32k {
 	clocks = <&ac100_rtc 0>;
 };
 
+&pio {
+	vcc-pa-supply = <&reg_ldo_io1>;
+	vcc-pb-supply = <&reg_aldo2>;
+	vcc-pc-supply = <&reg_dcdc1>;
+	vcc-pd-supply = <&reg_dcdc1>;
+	vcc-pe-supply = <&reg_eldo2>;
+	vcc-pf-supply = <&reg_dcdc1>;
+	vcc-pg-supply = <&reg_ldo_io0>;
+	vcc-ph-supply = <&reg_dcdc1>;
+};
+
 &r_ir {
 	status = "okay";
 };
 
+&r_pio {
+	vcc-pl-supply = <&reg_dldo2>;
+	vcc-pm-supply = <&reg_eldo3>;
+};
+
 &r_rsb {
 	status = "okay";
 
@@ -213,6 +242,10 @@ reg_dc5ldo: dc5ldo {
 				regulator-name = "vdd-cpus-09-usbh";
 			};
 
+			dc1sw {
+				/* unused */
+			};
+
 			reg_dcdc1: dcdc1 {
 				regulator-always-on;
 				regulator-min-microvolt = <3000000>;
@@ -260,7 +293,6 @@ reg_dldo1: dldo1 {
 			};
 
 			reg_dldo2: dldo2 {
-				regulator-always-on;
 				regulator-min-microvolt = <3000000>;
 				regulator-max-microvolt = <3000000>;
 				regulator-name = "vcc-pl";
@@ -279,14 +311,12 @@ reg_eldo2: eldo2 {
 			};
 
 			reg_eldo3: eldo3 {
-				regulator-always-on;
 				regulator-min-microvolt = <3000000>;
 				regulator-max-microvolt = <3000000>;
 				regulator-name = "vcc-pm-codec-io1";
 			};
 
 			reg_ldo_io0: ldo_io0 {
-				regulator-always-on;
 				regulator-min-microvolt = <3000000>;
 				regulator-max-microvolt = <3000000>;
 				regulator-name = "vcc-pg";
@@ -374,6 +404,14 @@ reg_cldo1: cldo1 {
 				 */
 				regulator-min-microvolt = <3300000>;
 				regulator-max-microvolt = <3300000>;
+				/*
+				 * The PHY requires 20ms after all voltages
+				 * are applied until core logic is ready and
+				 * 30ms after the reset pin is de-asserted.
+				 * Set a 100ms delay to account for PMIC
+				 * ramp time and board traces.
+				 */
+				regulator-enable-ramp-delay = <100000>;
 				regulator-name = "vcc-gmac-phy";
 			};
 

arch/arm/boot/dts/sun9i-a80.dtsi

@@ -56,6 +56,10 @@ / {
 	#size-cells = <2>;
 	interrupt-parent = <&gic>;
 
+	aliases {
+		ethernet0 = &gmac;
+	};
+
 	cpus {
 		#address-cells = <1>;
 		#size-cells = <0>;
@@ -183,6 +187,37 @@ osc32k: clk-32k {
 			clock-output-names = "osc32k";
 		};
 
+		/*
+		 * The following two are dummy clocks, placeholders
+		 * used in the gmac_tx clock. The gmac driver will
+		 * choose one parent depending on the PHY interface
+		 * mode, using clk_set_rate auto-reparenting.
+		 *
+		 * The actual TX clock rate is not controlled by the
+		 * gmac_tx clock.
+		 */
+		mii_phy_tx_clk: mii_phy_tx_clk {
+			#clock-cells = <0>;
+			compatible = "fixed-clock";
+			clock-frequency = <25000000>;
+			clock-output-names = "mii_phy_tx";
+		};
+
+		gmac_int_tx_clk: gmac_int_tx_clk {
+			#clock-cells = <0>;
+			compatible = "fixed-clock";
+			clock-frequency = <125000000>;
+			clock-output-names = "gmac_int_tx";
+		};
+
+		gmac_tx_clk: clk@800030 {
+			#clock-cells = <0>;
+			compatible = "allwinner,sun7i-a20-gmac-clk";
+			reg = <0x00800030 0x4>;
+			clocks = <&mii_phy_tx_clk>, <&gmac_int_tx_clk>;
+			clock-output-names = "gmac_tx";
+		};
+
 		cpus_clk: clk@8001410 {
 			compatible = "allwinner,sun9i-a80-cpus-clk";
 			reg = <0x08001410 0x4>;
@@ -283,6 +318,23 @@ smp-sram@1000 {
 			};
 		};
 
+		gmac: ethernet@830000 {
+			compatible = "allwinner,sun7i-a20-gmac";
+			reg = <0x00830000 0x1054>;
+			interrupts = <GIC_SPI 82 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "macirq";
+			clocks = <&ccu CLK_BUS_GMAC>, <&gmac_tx_clk>;
+			clock-names = "stmmaceth", "allwinner_gmac_tx";
+			resets = <&ccu RST_BUS_GMAC>;
+			reset-names = "stmmaceth";
+			snps,pbl = <2>;
+			snps,fixed-burst;
+			snps,force_sf_dma_mode;
+			status = "disabled";
+			#address-cells = <1>;
+			#size-cells = <0>;
+		};
+
 		ehci0: usb@a00000 {
 			compatible = "allwinner,sun9i-a80-ehci", "generic-ehci";
 			reg = <0x00a00000 0x100>;
@@ -948,6 +1000,19 @@ pio: pinctrl@6000800 {
 			#size-cells = <0>;
 			#gpio-cells = <3>;
 
+			gmac_rgmii_pins: gmac-rgmii-pins {
+				allwinner,pins = "PA0", "PA1", "PA2", "PA3",
+						 "PA4", "PA5", "PA7", "PA8",
+						 "PA9", "PA10", "PA12", "PA13",
+						 "PA15", "PA16", "PA17";
+				allwinner,function = "gmac";
+				/*
+				 * data lines in RGMII mode use DDR mode
+				 * and need a higher signal drive strength
+				 */
+				drive-strength = <40>;
+			};
+
 			i2c3_pins: i2c3-pins {
 				pins = "PG10", "PG11";
 				function = "i2c3";