[PATCH v6 19/20] arm64: dts: exynos: google: Add initial Oriole/pixel 6 board support

Peter Griffin
2023-12-09T23:31:45Z

Add initial board support for the Pixel 6 phone code named Oriole. This
has been tested with a minimal busybox initramfs and boots to a shell.

Tested-by: Will McVicker <willmcvicker@google.com>
Reviewed-by: Sam Protsenko <semen.protsenko@linaro.org>
Signed-off-by: Peter Griffin <peter.griffin@linaro.org>
---
arch/arm64/boot/dts/exynos/Makefile | 2 +
arch/arm64/boot/dts/exynos/google/Makefile | 4 +
.../boot/dts/exynos/google/gs101-oriole.dts | 105 ++++++++++++++++++
3 files changed, 111 insertions(+)
create mode 100644 arch/arm64/boot/dts/exynos/google/Makefile
create mode 100644 arch/arm64/boot/dts/exynos/google/gs101-oriole.dts

diff --git a/arch/arm64/boot/dts/exynos/Makefile b/arch/arm64/boot/dts/exynos/Makefile
index 6e4ba69268e5..44c24a8ad9e1 100644
--- a/arch/arm64/boot/dts/exynos/Makefile
+++ b/arch/arm64/boot/dts/exynos/Makefile
@@ -1,4 +1,6 @@
# SPDX-License-Identifier: GPL-2.0
+subdir-y += google
+
dtb-$(CONFIG_ARCH_EXYNOS) += \
exynos5433-tm2.dtb \
exynos5433-tm2e.dtb \
diff --git a/arch/arm64/boot/dts/exynos/google/Makefile b/arch/arm64/boot/dts/exynos/google/Makefile
new file mode 100644
index 000000000000..0a6d5e1fe4ee
--- /dev/null
+++ b/arch/arm64/boot/dts/exynos/google/Makefile
@@ -0,0 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
+
+dtb-$(CONFIG_ARCH_EXYNOS) += \
+ gs101-oriole.dtb \
diff --git a/arch/arm64/boot/dts/exynos/google/gs101-oriole.dts b/arch/arm64/boot/dts/exynos/google/gs101-oriole.dts
new file mode 100644
index 000000000000..ce087ee1fd4d
--- /dev/null
+++ b/arch/arm64/boot/dts/exynos/google/gs101-oriole.dts
@@ -0,0 +1,105 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Oriole Device Tree
+ *
+ * Copyright 2021-2023 Google LLC
+ * Copyright 2023 Linaro Ltd - <peter.griffin@linaro.org>
+ */
+
+/dts-v1/;
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+#include "gs101-pinctrl.h"
+#include "gs101.dtsi"
+
+/ {
+ model = "Oriole";
+ compatible = "google,gs101-oriole", "google,gs101";
+
+ aliases {
+ serial0 = &serial_0;
+ };
+
+ chosen {
+ /* Bootloader expects bootargs specified otherwise it crashes */
+ bootargs = "";
+ stdout-path = &serial_0;
+ };
+
+ gpio-keys {
+ compatible = "gpio-keys";
+ pinctrl-names = "default";
+ pinctrl-0 = <&key_voldown>, <&key_volup>, <&key_power>;
+
+ button-vol-down {
+ label = "KEY_VOLUMEDOWN";
+ linux,code = <KEY_VOLUMEDOWN>;
+ gpios = <&gpa7 3 GPIO_ACTIVE_LOW>;
+ wakeup-source;
+ };
+
+ button-vol-up {
+ label = "KEY_VOLUMEUP";
+ linux,code = <KEY_VOLUMEUP>;
+ gpios = <&gpa8 1 GPIO_ACTIVE_LOW>;
+ wakeup-source;
+ };
+
+ button-power {
+ label = "KEY_POWER";
+ linux,code = <KEY_POWER>;
+ gpios = <&gpa10 1 GPIO_ACTIVE_LOW>;
+ wakeup-source;
+ };
+ };
+};
+
+&ext_24_5m {
+ clock-frequency = <24576000>;
+};
+
+&ext_200m {
+ clock-frequency = <200000000>;
+};
+
+&pinctrl_far_alive {
+ key_voldown: key-voldown-pins {
+ samsung,pins = "gpa7-3";
+ samsung,pin-function = <GS101_PIN_FUNC_EINT>;
+ samsung,pin-pud = <GS101_PIN_PULL_NONE>;
+ samsung,pin-drv = <GS101_PIN_DRV_2_5_MA>;
+ };
+
+ key_volup: key-volup-pins {
+ samsung,pins = "gpa8-1";
+ samsung,pin-function = <GS101_PIN_FUNC_EINT>;
+ samsung,pin-pud = <GS101_PIN_PULL_NONE>;
+ samsung,pin-drv = <GS101_PIN_DRV_2_5_MA>;
+ };
+};
+
+&pinctrl_gpio_alive {
+ key_power: key-power-pins {
+ samsung,pins = "gpa10-1";
+ samsung,pin-function = <GS101_PIN_FUNC_EINT>;
+ samsung,pin-pud = <GS101_PIN_PULL_NONE>;
+ samsung,pin-drv = <GS101_PIN_DRV_2_5_MA>;
+ };
+};
+
+&serial_0 {
+ status = "okay";
+ pinctrl-names = "default";
+ pinctrl-0 = <&uart0_bus>;
+};
+
+&usi_uart {
+ status = "okay";
+ samsung,clkreq-on; /* needed for UART mode */
+};
+
+&watchdog_cl0 {
+ timeout-sec = <30>;
+ status = "okay";
+};
--
2.43.0.472.g3155946c3a-goog