[PATCH v2 05/18] ARM: dts: s5pv210: Disable pulls on GPIO i2c adapters for aries
From: Jonathan Bakker <hidden>
Date: 2020-05-01 23:51:26
Also in:
linux-devicetree, linux-samsung-soc, lkml
Subsystem:
the rest · Maintainer:
Linus Torvalds
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 <redacted> --- arch/arm/boot/dts/s5pv210-aries.dtsi | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+)
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 {
--
2.20.1
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