From: Beomho Seo Date: Wed, 21 May 2014 22:56:53 +0000 (+0900) Subject: ARM: dts: add cm36651 light/proximity sensor node for exynos4412-trats2 X-Git-Tag: firefly_0821_release~176^2~3465^2~44^2~3^2~15 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=85cb4e0bd22947854ecbf86e1c2b75334fd598ad;p=firefly-linux-kernel-4.4.55.git ARM: dts: add cm36651 light/proximity sensor node for exynos4412-trats2 Exynos4412-trats2 board have light/proximity sensor. This patch add cm36651 light/ proximity sensor node for exynos4412. cm36651 is required properties as below. - Use i2c-gpio for cm36651 sensor. - Use fixed regulator for the IR LED. It is a part of the cm36651 for proximity detection. - cm36651 is i2c device driver so need to use i2c-gpio driver. Signed-off-by: Beomho Seo Signed-off-by: MyungJoo Ham Reviewed-by: Tomasz Figa Signed-off-by: Kukjin Kim --- diff --git a/arch/arm/boot/dts/exynos4412-trats2.dts b/arch/arm/boot/dts/exynos4412-trats2.dts index f621fd976815..c89f10c1efc7 100644 --- a/arch/arm/boot/dts/exynos4412-trats2.dts +++ b/arch/arm/boot/dts/exynos4412-trats2.dts @@ -21,6 +21,7 @@ aliases { i2c9 = &i2c_ak8975; + i2c10 = &i2c_cm36651; }; memory { @@ -98,6 +99,15 @@ enable-active-high; regulator-always-on; }; + + ps_als_reg: voltage-regulator-5 { + compatible = "regulator-fixed"; + regulator-name = "LED_A_3.0V"; + regulator-min-microvolt = <3000000>; + regulator-max-microvolt = <3000000>; + gpio = <&gpj0 5 0>; + enable-active-high; + }; }; gpio-keys { @@ -558,6 +568,22 @@ }; }; + i2c_cm36651: i2c-gpio-2 { + compatible = "i2c-gpio"; + gpios = <&gpf0 0 1>, <&gpf0 1 1>; + i2c-gpio,delay-us = <2>; + #address-cells = <1>; + #size-cells = <0>; + + cm36651@18 { + compatible = "capella,cm36651"; + reg = <0x18>; + interrupt-parent = <&gpx0>; + interrupts = <2 2>; + vled-supply = <&ps_als_reg>; + }; + }; + spi_1: spi@13930000 { pinctrl-names = "default"; pinctrl-0 = <&spi1_bus>;