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| author | Paweł Chmiel <pawel.mikolaj.chmiel@gmail.com> | 2020-05-01 16:50:12 -0700 |
|---|---|---|
| committer | Krzysztof Kozlowski <krzk@kernel.org> | 2020-05-04 17:13:04 +0200 |
| commit | 94f3c8132c30faff0391ec60e2eb72f51474c8c1 (patch) | |
| tree | 7d9a349ba8391902b33e02291f50cb92f3289c31 /arch/arm/boot/dts/s5pv210-galaxys.dts | |
| parent | e619c4ef3839adff77b3c9b7bf30eb23c516c041 (diff) | |
| download | linux-next-94f3c8132c30faff0391ec60e2eb72f51474c8c1.tar.gz | |
ARM: dts: s5pv210: Add si470x FM radio to Galaxy S
Add support for the Silicon Labs si4709 FM radio, which can be found
on Galaxy S GT-i9000 (but not on most of other Aries variants).
Signed-off-by: Paweł Chmiel <pawel.mikolaj.chmiel@gmail.com>
Signed-off-by: Jonathan Bakker <xc-racer2@live.ca>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Diffstat (limited to 'arch/arm/boot/dts/s5pv210-galaxys.dts')
| -rw-r--r-- | arch/arm/boot/dts/s5pv210-galaxys.dts | 47 |
1 files changed, 47 insertions, 0 deletions
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>; |