[PATCH v3 12/13] arm: dts: owl-s500-roseapplepi: Add I2C pinctrl configuration

Cristian Ciocaltea cristian.ciocaltea at gmail.com
Tue Dec 29 16:17:27 EST 2020


Add pinctrl definitions for the I2C controllers used in RoseapplePi SBC.
For the moment enable only I2C0, which is used by the ATC2603C PMIC.

Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea at gmail.com>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam at linaro.org>
---
Changes in v3:
 - Added Reviewed-by from Mani

 arch/arm/boot/dts/owl-s500-roseapplepi.dts | 44 ++++++++++++++++++++++
 1 file changed, 44 insertions(+)

diff --git a/arch/arm/boot/dts/owl-s500-roseapplepi.dts b/arch/arm/boot/dts/owl-s500-roseapplepi.dts
index fe9ae3619422..ff91561ca99c 100644
--- a/arch/arm/boot/dts/owl-s500-roseapplepi.dts
+++ b/arch/arm/boot/dts/owl-s500-roseapplepi.dts
@@ -37,7 +37,51 @@ sd_vcc: sd-vcc {
 	};
 };
 
+&i2c0 {
+	status = "okay";
+	pinctrl-names = "default";
+	pinctrl-0 = <&i2c0_pins>;
+};
+
+&i2c1 {
+	status = "disabled";
+	pinctrl-names = "default";
+	pinctrl-0 = <&i2c1_pins>;
+};
+
+&i2c2 {
+	status = "disabled";
+	pinctrl-names = "default";
+	pinctrl-0 = <&i2c2_pins>;
+};
+
 &pinctrl {
+	i2c0_pins: i2c0-pins {
+		pinmux {
+			groups = "i2c0_mfp";
+			function = "i2c0";
+		};
+
+		pinconf {
+			pins = "i2c0_sclk", "i2c0_sdata";
+			bias-pull-up;
+		};
+	};
+
+	i2c1_pins: i2c1-pins {
+		pinconf {
+			pins = "i2c1_sclk", "i2c1_sdata";
+			bias-pull-up;
+		};
+	};
+
+	i2c2_pins: i2c2-pins {
+		pinconf {
+			pins = "i2c2_sclk", "i2c2_sdata";
+			bias-pull-up;
+		};
+	};
+
 	mmc0_pins: mmc0-pins {
 		pinmux {
 			groups = "sd0_d0_mfp", "sd0_d1_mfp", "sd0_d2_d3_mfp",
-- 
2.30.0




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