Gentle ping
On 27/10/15 14:14, Uri Mashiach wrote:
From: Ilya Ledvich <[email protected]>
Add pinmux configuration for I2C0 and I2C1 pins.
Add description for I2C0 bus, set clock frequency to 400kHz.
Add child nodes for 24c02 EEPROM and em3027 RTC on I2C0 bus.
Acked-by: Igor Grinberg <[email protected]>
Signed-off-by: Ilya Ledvich <[email protected]>
Signed-off-by: Uri Mashiach <[email protected]>
---
arch/arm/boot/dts/am335x-cm-t335.dts | 37 ++++++++++++++++++++++++++++++++++++
1 file changed, 37 insertions(+)
diff --git a/arch/arm/boot/dts/am335x-cm-t335.dts
b/arch/arm/boot/dts/am335x-cm-t335.dts
index 197d5ce..39df3d2 100644
--- a/arch/arm/boot/dts/am335x-cm-t335.dts
+++ b/arch/arm/boot/dts/am335x-cm-t335.dts
@@ -37,6 +37,24 @@
pinctrl-names = "default";
pinctrl-0 = <>;
+ i2c0_pins: pinmux_i2c0_pins {
+ pinctrl-single,pins = <
+ /* i2c0_sda.i2c0_sda */
+ 0x188 (PIN_INPUT_PULLUP | MUX_MODE0)
+ /* i2c0_scl.i2c0_scl */
+ 0x18c (PIN_INPUT_PULLUP | MUX_MODE0)
+ >;
+ };
+
+ i2c1_pins: pinmux_i2c1_pins {
+ pinctrl-single,pins = <
+ /* uart0_ctsn.i2c1_sda */
+ 0x168 (PIN_INPUT_PULLUP | MUX_MODE2)
+ /* uart0_rtsn.i2c1_scl */
+ 0x16c (PIN_INPUT_PULLUP | MUX_MODE2)
+ >;
+ };
+
gpio_led_pins: pinmux_gpio_led_pins {
pinctrl-single,pins = <
0x88 (PIN_OUTPUT | MUX_MODE7) /* gpmc_csn3.gpio2_0 */
@@ -60,3 +78,22 @@
status = "okay";
};
+&i2c0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&i2c0_pins>;
+
+ status = "okay";
+ clock-frequency = <400000>;
+
+ eeprom: 24c02@50 {
+ compatible = "atmel,24c02";
+ reg = <0x50>;
+ pagesize = <16>;
+ };
+
+ ext_rtc: em3027@56 {
+ compatible = "emmicro,em3027";
+ reg = <0x56>;
+ };
+};
+
--
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