1 files changed, 77 insertions, 0 deletions
diff --git a/dts/upstream/src/arm64/mediatek/mt8192-asurada-spherion-r4.dts b/dts/upstream/src/arm64/mediatek/mt8192-asurada-spherion-r4.dts
new file mode 100644
index 00000000000..0039158c9e6
--- /dev/null
+++ b/dts/upstream/src/arm64/mediatek/mt8192-asurada-spherion-r4.dts
@@ -0,0 +1,77 @@
+// SPDX-License-Identifier: (GPL-2.0 OR MIT)
+/*
+ * Copyright 2022 Google LLC
+ */
+/dts-v1/;
+#include "mt8192-asurada.dtsi"
+#include <dt-bindings/leds/common.h>
+
+/ {
+	model = "Google Spherion (rev4)";
+	compatible = "google,spherion-rev4", "google,spherion",
+		     "mediatek,mt8192";
+
+	pwmleds {
+		compatible = "pwm-leds";
+
+		led {
+			function = LED_FUNCTION_KBD_BACKLIGHT;
+			color = <LED_COLOR_ID_WHITE>;
+			pwms = <&cros_ec_pwm 0>;
+			max-brightness = <1023>;
+		};
+	};
+};
+
+&cros_ec_pwm {
+	status = "okay";
+};
+
+&keyboard_controller {
+	function-row-physmap = <
+		MATRIX_KEY(0x00, 0x02, 0)	/* T1 */
+		MATRIX_KEY(0x03, 0x02, 0)	/* T2 */
+		MATRIX_KEY(0x02, 0x02, 0)	/* T3 */
+		MATRIX_KEY(0x01, 0x02, 0)	/* T4 */
+		MATRIX_KEY(0x03, 0x04, 0)	/* T5 */
+		MATRIX_KEY(0x02, 0x04, 0)	/* T6 */
+		MATRIX_KEY(0x01, 0x04, 0)	/* T7 */
+		MATRIX_KEY(0x02, 0x09, 0)	/* T8 */
+		MATRIX_KEY(0x01, 0x09, 0)	/* T9 */
+		MATRIX_KEY(0x00, 0x04, 0)	/* T10 */
+	>;
+	linux,keymap = <
+		MATRIX_KEY(0x00, 0x02, KEY_BACK)
+		MATRIX_KEY(0x03, 0x02, KEY_REFRESH)
+		MATRIX_KEY(0x02, 0x02, KEY_FULL_SCREEN)
+		MATRIX_KEY(0x01, 0x02, KEY_SCALE)
+		MATRIX_KEY(0x03, 0x04, KEY_SYSRQ)
+		MATRIX_KEY(0x02, 0x04, KEY_BRIGHTNESSDOWN)
+		MATRIX_KEY(0x01, 0x04, KEY_BRIGHTNESSUP)
+		MATRIX_KEY(0x02, 0x09, KEY_MUTE)
+		MATRIX_KEY(0x01, 0x09, KEY_VOLUMEDOWN)
+		MATRIX_KEY(0x00, 0x04, KEY_VOLUMEUP)
+
+		CROS_STD_MAIN_KEYMAP
+	>;
+};
+
+&rt5682 {
+	compatible = "realtek,rt5682s";
+};
+
+&sound {
+	compatible = "mediatek,mt8192_mt6359_rt1015p_rt5682s";
+
+	speaker-codecs {
+		sound-dai = <&rt1015p>;
+	};
+
+	headset-codec {
+		sound-dai = <&rt5682 0>;
+	};
+};
+
+&touchscreen {
+	compatible = "elan,ekth3500";
+};