From: Paweł Chmiel <pawel.mikolaj.chmiel@xxxxxxxxx> Add support for the Silicon Labs si4709 fmradio, which can be found on Galaxy S GT-i9000 (but not most other aries variants). Signed-off-by: Paweł Chmiel <pawel.mikolaj.chmiel@xxxxxxxxx> Signed-off-by: Jonathan Bakker <xc-racer2@xxxxxxx> --- arch/arm/boot/dts/s5pv210-aries.dtsi | 2 +- arch/arm/boot/dts/s5pv210-galaxys.dts | 47 +++++++++++++++++++++++++++ 2 files changed, 48 insertions(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/s5pv210-aries.dtsi b/arch/arm/boot/dts/s5pv210-aries.dtsi index a3748705dce8..0fa3de3c985d 100644 --- a/arch/arm/boot/dts/s5pv210-aries.dtsi +++ b/arch/arm/boot/dts/s5pv210-aries.dtsi @@ -11,7 +11,7 @@ / { compatible = "samsung,aries", "samsung,s5pv210"; - aliases { + aliases: aliases { i2c4 = &i2c_sound; i2c5 = &i2c_accel; i2c6 = &i2c_pmic; diff --git a/arch/arm/boot/dts/s5pv210-galaxys.dts b/arch/arm/boot/dts/s5pv210-galaxys.dts index 9bf4a5b95b74..a99fdda25262 100644 --- a/arch/arm/boot/dts/s5pv210-galaxys.dts +++ b/arch/arm/boot/dts/s5pv210-galaxys.dts @@ -49,12 +49,59 @@ wakeup-source; }; }; + + i2c_fmradio: i2c-gpio-8 { + compatible = "i2c-gpio"; + sda-gpios = <&gpd1 2 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>; + scl-gpios = <&gpd1 3 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>; + i2c-gpio,delay-us = <2>; + #address-cells = <1>; + #size-cells = <0>; + + pinctrl-names = "default"; + pinctrl-0 = <&fm_i2c_pins>; + + fmradio@10 { + compatible = "silabs,si470x"; + reg = <0x10>; + interrupt-parent = <&gpj2>; + interrupts = <4 IRQ_TYPE_EDGE_FALLING>; + reset-gpios = <&gpj2 5 GPIO_ACTIVE_HIGH>; + + pinctrl-names = "default"; + pinctrl-0 = <&fm_irq &fm_rst>; + }; + }; +}; + +&aliases { + i2c8 = &i2c_fmradio; }; &pinctrl0 { pinctrl-names = "default"; pinctrl-0 = <&sleep_cfg>; + fm_i2c_pins: fm-i2c-pins { + samsung,pins = "gpd1-2", "gpd1-3"; + samsung,pin-pud = <S3C64XX_PIN_PULL_NONE>; + samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>; + }; + + fm_irq: fm-irq { + samsung,pins = "gpj2-4"; + samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>; + samsung,pin-pud = <S3C64XX_PIN_PULL_UP>; + samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>; + }; + + fm_rst: fm-rst { + samsung,pins = "gpj2-5"; + samsung,pin-function = <EXYNOS_PIN_FUNC_OUTPUT>; + samsung,pin-pud = <S3C64XX_PIN_PULL_NONE>; + samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>; + }; + massmemory_en: massmemory-en { samsung,pins = "gpj2-7"; samsung,pin-function = <EXYNOS_PIN_FUNC_OUTPUT>; -- 2.20.1