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 Galaxy S 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 ef966d13d83d..12575d64aa06 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 2eff1e66a2a5..f5c13eb8ae71 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
