[PATCH v2 2/2] arm: dts: nes: add Nintendo NES/SuperNES Classic Edition support

[Miquel Raynal]

The Nintendo NES/SuperNES features an R16 already well supported in
mainline.

The console over UART0 may be wired on two ports of the R16, both
available on the NES Classic PCB.

Signed-off-by: Miquel Raynal <miquel.raynal at bootlin.com>
---
 arch/arm/boot/dts/Makefile                         |  2 +
 arch/arm/boot/dts/sun8i-a23-a33.dtsi               |  2 +
 .../boot/dts/sun8i-r16-nintendo-nes-classic.dts    | 62 ++++++++++++++++++++++
 .../dts/sun8i-r16-nintendo-supernes-classic.dts    | 17 ++++++
 4 files changed, 83 insertions(+)
 create mode 100644 arch/arm/boot/dts/sun8i-r16-nintendo-nes-classic.dts
 create mode 100644 arch/arm/boot/dts/sun8i-r16-nintendo-supernes-classic.dts

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index ade7a38543dc..cfdb48bd1a1d 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -990,6 +990,8 @@ dtb-$(CONFIG_MACH_SUN8I) += \
 	sun8i-h3-orangepi-plus.dtb \
 	sun8i-h3-orangepi-plus2e.dtb \
 	sun8i-r16-bananapi-m2m.dtb \
+	sun8i-r16-nintendo-nes-classic.dtb \
+	sun8i-r16-nintendo-supernes-classic.dtb \
 	sun8i-r16-parrot.dtb \
 	sun8i-r40-bananapi-m2-ultra.dtb \
 	sun8i-v3s-licheepi-zero.dtb \
diff --git a/arch/arm/boot/dts/sun8i-a23-a33.dtsi b/arch/arm/boot/dts/sun8i-a23-a33.dtsi
index 0308e8b21ea5..c83919ab8542 100644
--- a/arch/arm/boot/dts/sun8i-a23-a33.dtsi
+++ b/arch/arm/boot/dts/sun8i-a23-a33.dtsi
@@ -198,6 +198,8 @@
 			clock-names = "ahb", "mod";
 			resets = <&ccu RST_BUS_NAND>;
 			reset-names = "ahb";
+			pinctrl-names = "default";
+			pinctrl-0 = <&nand_pins &nand_pins_cs0 &nand_pins_rb0>;
 			status = "disabled";
 			#address-cells = <1>;
 			#size-cells = <0>;
diff --git a/arch/arm/boot/dts/sun8i-r16-nintendo-nes-classic.dts b/arch/arm/boot/dts/sun8i-r16-nintendo-nes-classic.dts
new file mode 100644
index 000000000000..bc067befd2eb
--- /dev/null
+++ b/arch/arm/boot/dts/sun8i-r16-nintendo-nes-classic.dts
@@ -0,0 +1,62 @@
+// SPDX-License-Identifier: GPL-2.0 OR X11
+/* Copyright (c) 2016 FUKAUMI Naoki <naobsd at gmail.com> */
+
+/dts-v1/;
+#include "sun8i-a33.dtsi"
+#include "sunxi-common-regulators.dtsi"
+
+/ {
+	model = "Nintendo NES Classic Edition";
+	compatible = "nintendo,nes-classic", "allwinner,sun8i-a33";
+
+	aliases {
+		serial0 = &uart0;
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+};
+
+&uart0 {
+	/*
+	 * UART0 is available on two ports: PB and PF, both are accessible.
+	 * PF can also be used for the SD card so PB is preferred.
+	 */
+	pinctrl-names = "default";
+	pinctrl-0 = <&uart0_pins_a>;
+	status = "okay";
+};
+
+&nfc {
+	status = "okay";
+
+	/* 2Gb Macronix MX30LF2G18AC (3V) */
+	nand at 0 {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		reg = <0>;
+		allwinner,rb = <0>;
+		nand-ecc-mode = "hw";
+		nand-ecc-strength = <16>;
+		nand-ecc-step-size = <1024>;
+	};
+};
+
+&usb_otg {
+	status = "okay";
+};
+
+&usbphy {
+	/* VBUS is always on because it is wired to the power supply */
+	usb1_vbus-supply = <&reg_vcc5v0>;
+	status = "okay";
+};
+
+&ehci0 {
+	status = "okay";
+};
+
+&ohci0 {
+	status = "okay";
+};
diff --git a/arch/arm/boot/dts/sun8i-r16-nintendo-supernes-classic.dts b/arch/arm/boot/dts/sun8i-r16-nintendo-supernes-classic.dts
new file mode 100644
index 000000000000..928f82dbe440
--- /dev/null
+++ b/arch/arm/boot/dts/sun8i-r16-nintendo-supernes-classic.dts
@@ -0,0 +1,17 @@
+// SPDX-License-Identifier: GPL-2.0 OR X11
+
+/dts-v1/;
+#include "sun8i-r16-nintendo-nes-classic.dts"
+
+/ {
+	model = "Nintendo SuperNES Classic Edition";
+	compatible = "nintendo,supernes-classic", "allwinner,sun8i-a33";
+
+	aliases {
+		serial0 = &uart0;
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+};
-- 
2.14.1