diff mbox series

[05/13] arm: dts: s5pv210: aries: Disable pulls on GPIO i2c adapters

Message ID BN6PR04MB06606817DE468110FE577158A3AE0@BN6PR04MB0660.namprd04.prod.outlook.com (mailing list archive)
State New, archived
Headers show
Series [01/13] arm: dts: s5pv210: Add helper define for sleep gpio config | expand

Commit Message

Jonathan Bakker April 26, 2020, 6:35 p.m. UTC 
The bitbanged GPIO i2c adapters have external pull-ups attached
so the internal pulls should be disabled for lower power usage.

Signed-off-by: Jonathan Bakker <xc-racer2@live.ca>
---
 arch/arm/boot/dts/s5pv210-aries.dtsi | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
diff mbox series

Patch

diff --git a/arch/arm/boot/dts/s5pv210-aries.dtsi b/arch/arm/boot/dts/s5pv210-aries.dtsi
index d419b77201f7..f83df426f2b6 100644
--- a/arch/arm/boot/dts/s5pv210-aries.dtsi
+++ b/arch/arm/boot/dts/s5pv210-aries.dtsi
@@ -65,6 +65,9 @@ 
 		#address-cells = <1>;
 		#size-cells = <0>;
 
+		pinctrl-names = "default";
+		pinctrl-0 = <&pmic_i2c_pins>;
+
 		pmic@66 {
 			compatible = "maxim,max8998";
 			reg = <0x66>;
@@ -314,6 +317,9 @@ 
 		#address-cells = <1>;
 		#size-cells = <0>;
 
+		pinctrl-names = "default";
+		pinctrl-0 = <&fg_i2c_pins>;
+
 		fuelgauge@36 {
 			compatible = "maxim,max17040";
 			interrupt-parent = <&vic0>;
@@ -438,6 +444,18 @@ 
 		samsung,pin-pud = <S3C64XX_PIN_PULL_NONE>;
 		samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
 	};
+
+	pmic_i2c_pins: pmic-i2c-pins {
+		samsung,pins = "gpj4-0", "gpj4-3";
+		samsung,pin-pud = <S3C64XX_PIN_PULL_NONE>;
+		samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
+	};
+
+	fg_i2c_pins: fg-i2c-pins {
+		samsung,pins = "mp05-0", "mp05-1";
+		samsung,pin-pud = <S3C64XX_PIN_PULL_NONE>;
+		samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
+	};
 };
 
 &pwm {