[PATCH 3/8] arm64: dts: ti: k3-j784s4-evm: Enable wakeup_i2c0 and eeprom
Nishanth Menon
nm at ti.com
Fri Jun 2 14:49:32 PDT 2023
Enable wakeup_i2c and use un-used pinmux. While at it, describe the
board detection eeprom present on the board.
Signed-off-by: Nishanth Menon <nm at ti.com>
---
Depends on https://lore.kernel.org/linux-arm-kernel/20230503083143.32369-1-t-konduru@ti.com/
arch/arm64/boot/dts/ti/k3-j784s4-evm.dts | 21 +++++++++++++++++++++
1 file changed, 21 insertions(+)
diff --git a/arch/arm64/boot/dts/ti/k3-j784s4-evm.dts b/arch/arm64/boot/dts/ti/k3-j784s4-evm.dts
index 3f499e527523..f394ab409934 100644
--- a/arch/arm64/boot/dts/ti/k3-j784s4-evm.dts
+++ b/arch/arm64/boot/dts/ti/k3-j784s4-evm.dts
@@ -25,6 +25,7 @@ aliases {
serial2 = &main_uart8;
mmc0 = &main_sdhci0;
mmc1 = &main_sdhci1;
+ i2c0 = &wkup_i2c0;
i2c3 = &main_i2c0;
};
@@ -153,6 +154,13 @@ J721S2_WKUP_IOPAD(0x04c, PIN_INPUT, 0) /* (K34) WKUP_UART0_TXD */
>;
};
+ wkup_i2c0_pins_default: wkup-i2c0-pins-default {
+ pinctrl-single,pins = <
+ J721S2_WKUP_IOPAD(0x98, PIN_INPUT, 0) /* (N33) WKUP_I2C0_SCL */
+ J721S2_WKUP_IOPAD(0x9c, PIN_INPUT, 0) /* (N35) WKUP_I2C0_SDA */
+ >;
+ };
+
mcu_uart0_pins_default: mcu-uart0-pins-default {
pinctrl-single,pins = <
J784S4_WKUP_IOPAD(0x090, PIN_INPUT, 0) /* (H37) WKUP_GPIO0_14.MCU_UART0_CTSn */
@@ -194,6 +202,19 @@ &wkup_uart0 {
pinctrl-0 = <&wkup_uart0_pins_default>;
};
+&wkup_i2c0 {
+ status = "okay";
+ pinctrl-names = "default";
+ pinctrl-0 = <&wkup_i2c0_pins_default>;
+ clock-frequency = <400000>;
+
+ eeprom at 50 {
+ /* CAV24C256WE-GT3 */
+ compatible = "atmel,24c256";
+ reg = <0x50>;
+ };
+};
+
&mcu_uart0 {
status = "okay";
pinctrl-names = "default";
--
2.40.0
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