[PATCH 2/2] arm: at91: dt: at91sam9x5: add i2c-gpio pinctrl
Richard Genoud
richard.genoud at gmail.com
Tue Mar 12 12:54:46 EDT 2013
i2c-gpio is sometimes used in place of i2c-at91.
This adds the pin muxes for the gpios.
Signed-off-by: Richard Genoud <richard.genoud at gmail.com>
---
based on v3.9-rc2
arch/arm/boot/dts/at91sam9x5.dtsi | 30 ++++++++++++++++++++++++++++++
1 files changed, 30 insertions(+), 0 deletions(-)
diff --git a/arch/arm/boot/dts/at91sam9x5.dtsi b/arch/arm/boot/dts/at91sam9x5.dtsi
index 8cbcff4..d18aff5 100644
--- a/arch/arm/boot/dts/at91sam9x5.dtsi
+++ b/arch/arm/boot/dts/at91sam9x5.dtsi
@@ -343,6 +343,30 @@
};
};
+ i2c_gpio0 {
+ pinctrl_i2c_gpio0: i2c_gpio0-0 {
+ atmel,pins =
+ <0 30 0x0 0x2 /* PA30 gpio multidrive I2C0 data */
+ 0 31 0x0 0x2>; /* PA31 gpio multidrive I2C0 clock */
+ };
+ };
+
+ i2c_gpio1 {
+ pinctrl_i2c_gpio1: i2c_gpio1-0 {
+ atmel,pins =
+ <2 0 0x0 0x2 /* PC0 gpio multidrive I2C1 data */
+ 2 1 0x0 0x2>; /* PC1 gpio multidrive I2C1 clock */
+ };
+ };
+
+ i2c_gpio2 {
+ pinctrl_i2c_gpio2: i2c_gpio2-0 {
+ atmel,pins =
+ <1 4 0x0 0x2 /* PB4 gpio multidrive I2C2 data */
+ 1 5 0x0 0x2>; /* PB5 gpio multidrive I2C2 clock */
+ };
+ };
+
pioA: gpio at fffff400 {
compatible = "atmel,at91sam9x5-gpio", "atmel,at91rm9200-gpio";
reg = <0xfffff400 0x200>;
@@ -583,6 +607,8 @@
i2c-gpio,delay-us = <2>; /* ~100 kHz */
#address-cells = <1>;
#size-cells = <0>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_i2c_gpio0>;
status = "disabled";
};
@@ -596,6 +622,8 @@
i2c-gpio,delay-us = <2>; /* ~100 kHz */
#address-cells = <1>;
#size-cells = <0>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_i2c_gpio1>;
status = "disabled";
};
@@ -609,6 +637,8 @@
i2c-gpio,delay-us = <2>; /* ~100 kHz */
#address-cells = <1>;
#size-cells = <0>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_i2c_gpio2>;
status = "disabled";
};
};
--
1.7.2.5
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