[PATCH 3/4] arm64: dts: mediatek: enable i2c0 for mt8365-evk board

Alexandre Mergnat amergnat at baylibre.com
Tue Jan 17 00:49:41 PST 2023


Enable the I2C0 bus provides communication with:
- The integrated RT9466 Switching Battery Charger.
- The integrated MT6691 LP4X buck for VDDQ.
- The integrated MT6691 LP4X buck for VDD2.
- The pin header, to plug external I2C devices.

Signed-off-by: Alexandre Mergnat <amergnat at baylibre.com>
---
 arch/arm64/boot/dts/mediatek/mt8365-evk.dts | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/arch/arm64/boot/dts/mediatek/mt8365-evk.dts b/arch/arm64/boot/dts/mediatek/mt8365-evk.dts
index 275ea3a0e708..d5d76a7dbd82 100644
--- a/arch/arm64/boot/dts/mediatek/mt8365-evk.dts
+++ b/arch/arm64/boot/dts/mediatek/mt8365-evk.dts
@@ -88,6 +88,15 @@ optee_reserved: optee at 43200000 {
 	};
 };
 
+&i2c0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&i2c0_pins>;
+	clock-frequency = <100000>;
+	status = "okay";
+	#address-cells = <1>;
+	#size-cells = <0>;
+};
+
 &pio {
 	gpio_keys: gpio-keys-pins {
 		pins {
@@ -97,6 +106,16 @@ pins {
 		};
 	};
 
+	i2c0_pins: i2c0 {
+		pins_i2c {
+			pinmux = <MT8365_PIN_57_SDA0__FUNC_SDA0_0>,
+				 <MT8365_PIN_58_SCL0__FUNC_SCL0_0>;
+			mediatek,pull-up-adv = <3>;
+			mediatek,drive-strength-adv = <00>;
+			bias-pull-up;
+		};
+	};
+
 	uart0_pins: uart0-pins {
 		pins {
 			pinmux = <MT8365_PIN_35_URXD0__FUNC_URXD0>,

-- 
b4 0.10.1



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