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Subject[PATCH 9/9] ARM: dts: sun8i-v3: Add support for the SL631 Action Camera with IMX179
Date
The SL631 is a family of Allwinner V3 action cameras sold under
various names, such as SJCAM SJ4000 Air or F60 Action Camera.

Devices in this family share a common board design but can be found
with different image sensors, including the IMX179 and the OV4689.

This adds support for a common dtsi for the SL631 family as well as
a specific dts for the IMX179 fashion, which will later be populated
with an IMX179 node when a driver is available.

Features that were tested on the device include:
- UART debug
- MMC
- USB peripheral (e.g. g_ether)
- Buttons
- SPI NOR flash

Note that the exact designer/vendor of these boards is unknown.

Signed-off-by: Paul Kocialkowski <contact@paulk.fr>
---
arch/arm/boot/dts/Makefile | 1 +
arch/arm/boot/dts/sun8i-v3-sl631-imx179.dts | 12 ++
arch/arm/boot/dts/sun8i-v3-sl631.dtsi | 145 ++++++++++++++++++++
3 files changed, 158 insertions(+)
create mode 100644 arch/arm/boot/dts/sun8i-v3-sl631-imx179.dts
create mode 100644 arch/arm/boot/dts/sun8i-v3-sl631.dtsi

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 4363ba564bb4..b76bcda9a9df 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -1196,6 +1196,7 @@ dtb-$(CONFIG_MACH_SUN8I) += \
sun8i-s3-lichee-zero-plus.dtb \
sun8i-s3-pinecube.dtb \
sun8i-t3-cqa3t-bv3.dtb \
+ sun8i-v3-sl631-imx179.dtb \
sun8i-v3s-licheepi-zero.dtb \
sun8i-v3s-licheepi-zero-dock.dtb \
sun8i-v40-bananapi-m2-berry.dtb
diff --git a/arch/arm/boot/dts/sun8i-v3-sl631-imx179.dts b/arch/arm/boot/dts/sun8i-v3-sl631-imx179.dts
new file mode 100644
index 000000000000..9e3b78000bdb
--- /dev/null
+++ b/arch/arm/boot/dts/sun8i-v3-sl631-imx179.dts
@@ -0,0 +1,12 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR X11)
+/*
+ * Copyright 2020 Paul Kocialkowski <contact@paulk.fr>
+ */
+
+#include "sun8i-v3-sl631.dtsi"
+
+/ {
+ model = "SL631 Action Camera with IMX179";
+ compatible = "unknown,sl631-imx179", "unknown,sl631",
+ "allwinner,sun8i-v3";
+};
diff --git a/arch/arm/boot/dts/sun8i-v3-sl631.dtsi b/arch/arm/boot/dts/sun8i-v3-sl631.dtsi
new file mode 100644
index 000000000000..9bc84d2812a6
--- /dev/null
+++ b/arch/arm/boot/dts/sun8i-v3-sl631.dtsi
@@ -0,0 +1,145 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR X11)
+/*
+ * Copyright 2020 Paul Kocialkowski <contact@paulk.fr>
+ */
+
+/dts-v1/;
+
+#include "sun8i-v3.dtsi"
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+
+/ {
+ model = "SL631 Action Camera";
+ compatible = "unknown,sl631", "allwinner,sun8i-v3";
+
+ aliases {
+ serial0 = &uart1;
+ };
+
+ chosen {
+ stdout-path = "serial0:115200n8";
+ };
+};
+
+&i2c0 {
+ status = "okay";
+
+ axp209: pmic@34 {
+ reg = <0x34>;
+ interrupt-parent = <&nmi_intc>;
+ interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
+ };
+};
+
+&i2c1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&i2c1_pb_pins>;
+ status = "okay";
+};
+
+&lradc {
+ vref-supply = <&reg_ldo2>;
+ status = "okay";
+
+ button@174 {
+ label = "Volume Down";
+ linux,code = <KEY_VOLUMEDOWN>;
+ channel = <0>;
+ voltage = <174603>;
+ };
+
+ button@384 {
+ label = "Volume Up";
+ linux,code = <KEY_VOLUMEUP>;
+ channel = <0>;
+ voltage = <384126>;
+ };
+
+ button@593 {
+ label = "Home";
+ linux,code = <KEY_HOME>;
+ channel = <0>;
+ voltage = <593650>;
+ };
+};
+
+&mmc0 {
+ cd-gpios = <&pio 5 6 GPIO_ACTIVE_LOW>; /* PF6 */
+ bus-width = <4>;
+ vmmc-supply = <&reg_dcdc3>;
+ status = "okay";
+};
+
+&pio {
+ vcc-pd-supply = <&reg_dcdc3>;
+ vcc-pe-supply = <&reg_dcdc3>;
+};
+
+#include "axp209.dtsi"
+
+&ac_power_supply {
+ status = "okay";
+};
+
+&battery_power_supply {
+ status = "okay";
+};
+
+&reg_dcdc2 {
+ regulator-always-on;
+ regulator-min-microvolt = <1250000>;
+ regulator-max-microvolt = <1250000>;
+ regulator-name = "vdd-sys-cpu";
+};
+
+&reg_dcdc3 {
+ regulator-always-on;
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-name = "vdd-3v3";
+};
+
+&reg_ldo1 {
+ regulator-name = "vdd-rtc";
+};
+
+&reg_ldo2 {
+ regulator-always-on;
+ regulator-min-microvolt = <3000000>;
+ regulator-max-microvolt = <3000000>;
+ regulator-name = "avcc";
+};
+
+&reg_ldo4 {
+ regulator-always-on;
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-name = "vcc-ep952";
+};
+
+&spi0 {
+ status = "okay";
+
+ spi-flash@0 {
+ reg = <0>;
+ compatible = "macronix,mx25l6436f", "jedec,spi-nor";
+ spi-max-frequency = <50000000>;
+ };
+};
+
+&uart1 {
+ pinctrl-0 = <&uart1_pg_pins>;
+ pinctrl-names = "default";
+ status = "okay";
+};
+
+&usb_otg {
+ dr_mode = "peripheral";
+ status = "okay";
+};
+
+&usbphy {
+ status = "okay";
+};
--
2.28.0
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