Message-Id: <20230804170856.1237202-2-andre.przywara@arm.com>
Date:   Fri,  4 Aug 2023 18:08:54 +0100
From:   Andre Przywara <andre.przywara@....com>
To:     Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Chen-Yu Tsai <wens@...e.org>,
        Jernej Skrabec <jernej.skrabec@...il.com>,
        Samuel Holland <samuel@...lland.org>
Cc:     Icenowy Zheng <uwu@...nowy.me>,
        Piotr Oniszczuk <piotr.oniszczuk@...il.com>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-sunxi@...ts.linux.dev, linux-kernel@...r.kernel.org
Subject: [PATCH v2 1/3] arm64: dts: allwinner: h616: Split Orange Pi Zero 2 DT

The Orange Pi Zero 2 got a successor (Zero 3), which shares quite some
DT nodes with the Zero 2, but comes with a different PMIC.

Move the common parts (except the PMIC) into a new shared file, and
include that from the existing board .dts file.

No functional change, the generated DTB is the same, except for some
phandle numbering differences.

Signed-off-by: Andre Przywara <andre.przywara@....com>
---
 .../allwinner/sun50i-h616-orangepi-zero.dtsi  | 134 ++++++++++++++++++
 .../allwinner/sun50i-h616-orangepi-zero2.dts  | 119 +---------------
 2 files changed, 135 insertions(+), 118 deletions(-)
 create mode 100644 arch/arm64/boot/dts/allwinner/sun50i-h616-orangepi-zero.dtsi

diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h616-orangepi-zero.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-h616-orangepi-zero.dtsi
new file mode 100644
index 0000000000000..8788c129b2887
--- /dev/null
+++ b/arch/arm64/boot/dts/allwinner/sun50i-h616-orangepi-zero.dtsi
@@ -0,0 +1,134 @@
+// SPDX-License-Identifier: (GPL-2.0+ or MIT)
+/*
+ * Copyright (C) 2020 Arm Ltd.
+ *
+ * DT nodes common between Orange Pi Zero 2 and Orange Pi Zero 3.
+ * Excludes PMIC nodes and properties, since they are different between the two.
+ */
+
+#include "sun50i-h616.dtsi"
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/leds/common.h>
+
+/ {
+	aliases {
+		ethernet0 = &emac0;
+		serial0 = &uart0;
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+
+	leds {
+		compatible = "gpio-leds";
+
+		led-0 {
+			function = LED_FUNCTION_POWER;
+			color = <LED_COLOR_ID_RED>;
+			gpios = <&pio 2 12 GPIO_ACTIVE_HIGH>; /* PC12 */
+			default-state = "on";
+		};
+
+		led-1 {
+			function = LED_FUNCTION_STATUS;
+			color = <LED_COLOR_ID_GREEN>;
+			gpios = <&pio 2 13 GPIO_ACTIVE_HIGH>; /* PC13 */
+		};
+	};
+
+	reg_vcc5v: vcc5v {
+		/* board wide 5V supply directly from the USB-C socket */
+		compatible = "regulator-fixed";
+		regulator-name = "vcc-5v";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		regulator-always-on;
+	};
+
+	reg_usb1_vbus: regulator-usb1-vbus {
+		compatible = "regulator-fixed";
+		regulator-name = "usb1-vbus";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		vin-supply = <&reg_vcc5v>;
+		enable-active-high;
+		gpio = <&pio 2 16 GPIO_ACTIVE_HIGH>; /* PC16 */
+	};
+};
+
+&ehci1 {
+	status = "okay";
+};
+
+/* USB 2 & 3 are on headers only. */
+
+&emac0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&ext_rgmii_pins>;
+	phy-mode = "rgmii";
+	phy-handle = <&ext_rgmii_phy>;
+	allwinner,rx-delay-ps = <3100>;
+	allwinner,tx-delay-ps = <700>;
+	status = "okay";
+};
+
+&mdio0 {
+	ext_rgmii_phy: ethernet-phy@1 {
+		compatible = "ethernet-phy-ieee802.3-c22";
+		reg = <1>;
+	};
+};
+
+&mmc0 {
+	cd-gpios = <&pio 5 6 GPIO_ACTIVE_LOW>;	/* PF6 */
+	bus-width = <4>;
+	status = "okay";
+};
+
+&ohci1 {
+	status = "okay";
+};
+
+&spi0  {
+	status = "okay";
+	pinctrl-names = "default";
+	pinctrl-0 = <&spi0_pins>, <&spi0_cs0_pin>;
+
+	flash@0 {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		compatible = "jedec,spi-nor";
+		reg = <0>;
+		spi-max-frequency = <40000000>;
+	};
+};
+
+&uart0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&uart0_ph_pins>;
+	status = "okay";
+};
+
+&usbotg {
+	/*
+	 * PHY0 pins are connected to a USB-C socket, but a role switch
+	 * is not implemented: both CC pins are pulled to GND.
+	 * The VBUS pins power the device, so a fixed peripheral mode
+	 * is the best choice.
+	 * The board can be powered via GPIOs, in this case port0 *can*
+	 * act as a host (with a cable/adapter ignoring CC), as VBUS is
+	 * then provided by the GPIOs. Any user of this setup would
+	 * need to adjust the DT accordingly: dr_mode set to "host",
+	 * enabling OHCI0 and EHCI0.
+	 */
+	dr_mode = "peripheral";
+	status = "okay";
+};
+
+&usbphy {
+	usb1_vbus-supply = <&reg_usb1_vbus>;
+	status = "okay";
+};
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h616-orangepi-zero2.dts b/arch/arm64/boot/dts/allwinner/sun50i-h616-orangepi-zero2.dts
index cb8600d0ea1ef..d6e732b12c52d 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-h616-orangepi-zero2.dts
+++ b/arch/arm64/boot/dts/allwinner/sun50i-h616-orangepi-zero2.dts
@@ -5,95 +5,19 @@
 
 /dts-v1/;
 
-#include "sun50i-h616.dtsi"
-
-#include <dt-bindings/gpio/gpio.h>
-#include <dt-bindings/interrupt-controller/arm-gic.h>
-#include <dt-bindings/leds/common.h>
+#include "sun50i-h616-orangepi-zero.dtsi"
 
 / {
 	model = "OrangePi Zero2";
 	compatible = "xunlong,orangepi-zero2", "allwinner,sun50i-h616";
-
-	aliases {
-		ethernet0 = &emac0;
-		serial0 = &uart0;
-	};
-
-	chosen {
-		stdout-path = "serial0:115200n8";
-	};
-
-	leds {
-		compatible = "gpio-leds";
-
-		led-0 {
-			function = LED_FUNCTION_POWER;
-			color = <LED_COLOR_ID_RED>;
-			gpios = <&pio 2 12 GPIO_ACTIVE_HIGH>; /* PC12 */
-			default-state = "on";
-		};
-
-		led-1 {
-			function = LED_FUNCTION_STATUS;
-			color = <LED_COLOR_ID_GREEN>;
-			gpios = <&pio 2 13 GPIO_ACTIVE_HIGH>; /* PC13 */
-		};
-	};
-
-	reg_vcc5v: vcc5v {
-		/* board wide 5V supply directly from the USB-C socket */
-		compatible = "regulator-fixed";
-		regulator-name = "vcc-5v";
-		regulator-min-microvolt = <5000000>;
-		regulator-max-microvolt = <5000000>;
-		regulator-always-on;
-	};
-
-	reg_usb1_vbus: regulator-usb1-vbus {
-		compatible = "regulator-fixed";
-		regulator-name = "usb1-vbus";
-		regulator-min-microvolt = <5000000>;
-		regulator-max-microvolt = <5000000>;
-		vin-supply = <&reg_vcc5v>;
-		enable-active-high;
-		gpio = <&pio 2 16 GPIO_ACTIVE_HIGH>; /* PC16 */
-	};
 };
 
-&ehci1 {
-	status = "okay";
-};
-
-/* USB 2 & 3 are on headers only. */
-
 &emac0 {
-	pinctrl-names = "default";
-	pinctrl-0 = <&ext_rgmii_pins>;
-	phy-mode = "rgmii";
-	phy-handle = <&ext_rgmii_phy>;
 	phy-supply = <&reg_dcdce>;
-	allwinner,rx-delay-ps = <3100>;
-	allwinner,tx-delay-ps = <700>;
-	status = "okay";
-};
-
-&mdio0 {
-	ext_rgmii_phy: ethernet-phy@1 {
-		compatible = "ethernet-phy-ieee802.3-c22";
-		reg = <1>;
-	};
 };
 
 &mmc0 {
 	vmmc-supply = <&reg_dcdce>;
-	cd-gpios = <&pio 5 6 GPIO_ACTIVE_LOW>;	/* PF6 */
-	bus-width = <4>;
-	status = "okay";
-};
-
-&ohci1 {
-	status = "okay";
 };
 
 &r_rsb {
@@ -211,44 +135,3 @@ &pio {
 	vcc-ph-supply = <&reg_aldo1>;
 	vcc-pi-supply = <&reg_aldo1>;
 };
-
-&spi0  {
-	status = "okay";
-	pinctrl-names = "default";
-	pinctrl-0 = <&spi0_pins>, <&spi0_cs0_pin>;
-
-	flash@0 {
-		#address-cells = <1>;
-		#size-cells = <1>;
-		compatible = "jedec,spi-nor";
-		reg = <0>;
-		spi-max-frequency = <40000000>;
-	};
-};
-
-&uart0 {
-	pinctrl-names = "default";
-	pinctrl-0 = <&uart0_ph_pins>;
-	status = "okay";
-};
-
-&usbotg {
-	/*
-	 * PHY0 pins are connected to a USB-C socket, but a role switch
-	 * is not implemented: both CC pins are pulled to GND.
-	 * The VBUS pins power the device, so a fixed peripheral mode
-	 * is the best choice.
-	 * The board can be powered via GPIOs, in this case port0 *can*
-	 * act as a host (with a cable/adapter ignoring CC), as VBUS is
-	 * then provided by the GPIOs. Any user of this setup would
-	 * need to adjust the DT accordingly: dr_mode set to "host",
-	 * enabling OHCI0 and EHCI0.
-	 */
-	dr_mode = "peripheral";
-	status = "okay";
-};
-
-&usbphy {
-	usb1_vbus-supply = <&reg_usb1_vbus>;
-	status = "okay";
-};
-- 
2.25.1

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