[PATCH 3/6] ARM: nomadik: move GPIO I2C to S8815 board file
Linus Walleij
linus.walleij at linaro.org
Fri Oct 31 13:45:32 PDT 2014
The idea to use two GPIO pins for bit-banged I2C is an S8815
pecularity, so move this over to the board-specific file and
out of the SoC core DTSI file.
Signed-off-by: Linus Walleij <linus.walleij at linaro.org>
---
arch/arm/boot/dts/ste-nomadik-s8815.dts | 25 +++++++++++++++++++++++++
arch/arm/boot/dts/ste-nomadik-stn8815.dtsi | 24 ------------------------
2 files changed, 25 insertions(+), 24 deletions(-)
diff --git a/arch/arm/boot/dts/ste-nomadik-s8815.dts b/arch/arm/boot/dts/ste-nomadik-s8815.dts
index c795ee8a356a..33caad8df276 100644
--- a/arch/arm/boot/dts/ste-nomadik-s8815.dts
+++ b/arch/arm/boot/dts/ste-nomadik-s8815.dts
@@ -47,6 +47,14 @@
};
};
};
+ gpioi2c {
+ gpioi2c_default_mode: gpioi2c_default {
+ gpioi2c_default_cfg {
+ ste,pins = "GPIO73_C21", "GPIO74_C20";
+ ste,input = <0>;
+ };
+ };
+ };
user-led {
user_led_default_mode: user_led_default {
user_led_default_cfg {
@@ -65,6 +73,23 @@
};
};
+ /* GPIO I2C connected to the USB portions of the STw4811 only */
+ gpio-i2c {
+ compatible = "i2c-gpio";
+ gpios = <&gpio2 10 0>, /* sda */
+ <&gpio2 9 0>; /* scl */
+ #address-cells = <1>;
+ #size-cells = <0>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&gpioi2c_default_mode>;
+
+ stw4811 at 2d {
+ compatible = "st,stw4811-usb";
+ reg = <0x2d>;
+ };
+ };
+
+
/* Configure card detect for the uSD slot */
amba {
mmcsd: sdi at 101f6000 {
diff --git a/arch/arm/boot/dts/ste-nomadik-stn8815.dtsi b/arch/arm/boot/dts/ste-nomadik-stn8815.dtsi
index 1ee9372191df..49b17c7dfb1b 100644
--- a/arch/arm/boot/dts/ste-nomadik-stn8815.dtsi
+++ b/arch/arm/boot/dts/ste-nomadik-stn8815.dtsi
@@ -169,14 +169,6 @@
};
};
};
- i2c2 {
- i2c2_default_mode: i2c2_default {
- i2c2_default_cfg {
- ste,pins = "GPIO73_C21", "GPIO74_C20";
- ste,input = <0>;
- };
- };
- };
};
src: src at 101e0000 {
@@ -747,22 +739,6 @@
};
};
- /* I2C2 connected to the USB portions of the STw4811 only */
- i2c2 {
- compatible = "i2c-gpio";
- gpios = <&gpio2 10 0>, /* sda */
- <&gpio2 9 0>; /* scl */
- #address-cells = <1>;
- #size-cells = <0>;
- pinctrl-names = "default";
- pinctrl-0 = <&i2c2_default_mode>;
-
- stw4811 at 2d {
- compatible = "st,stw4811-usb";
- reg = <0x2d>;
- };
- };
-
amba {
compatible = "arm,amba-bus";
#address-cells = <1>;
--
1.9.3
More information about the linux-arm-kernel
mailing list