[PATCH 8/8] arm64: dts: ti: k3-am69-sk: Add pinmux for RPi Header
From: Nishanth Menon
Date: Fri Jun 02 2023 - 17:50:15 EST
From: Dasnavis Sabiya <sabiya.d@xxxxxx>
Add pinmux required to bring out the i2c and gpios on 40 pin RPi
expansion header on AM69 SK board.
Signed-off-by: Dasnavis Sabiya <sabiya.d@xxxxxx>
Signed-off-by: Nishanth Menon <nm@xxxxxx>
---
Depends on https://lore.kernel.org/linux-arm-kernel/20230503083143.32369-1-t-konduru@xxxxxx/
Changes since V1:
* Rebased on the pinmux split up done from the dependency.
* Some minor style fixups.
V1: https://lore.kernel.org/linux-arm-kernel/20230316104743.482972-3-sabiya.d@xxxxxx/
arch/arm64/boot/dts/ti/k3-am69-sk.dts | 63 +++++++++++++++++++++++++++
1 file changed, 63 insertions(+)
diff --git a/arch/arm64/boot/dts/ti/k3-am69-sk.dts b/arch/arm64/boot/dts/ti/k3-am69-sk.dts
index a0e7872f31f2..093c6f8391e4 100644
--- a/arch/arm64/boot/dts/ti/k3-am69-sk.dts
+++ b/arch/arm64/boot/dts/ti/k3-am69-sk.dts
@@ -141,6 +141,25 @@ vdd_sd_dv_pins_default: vdd-sd-dv-pins-default {
J784S4_IOPAD(0x0C4, PIN_INPUT, 7) /* (AD36) ECAP0_IN_APWM_OUT.GPIO0_49 */
>;
};
+
+ rpi_header_gpio0_pins_default: rpi-header-gpio0-pins-default {
+ pinctrl-single,pins = <
+ J784S4_IOPAD(0x0BC, PIN_INPUT, 7) /* (AD33) MCASP1_AFSX.GPIO0_47 */
+ J784S4_IOPAD(0x06C, PIN_INPUT, 7) /* (AJ37) MCASP4_AFSX.GPIO0_27 */
+ J784S4_IOPAD(0x0B4, PIN_INPUT, 7) /* (AL34) MCASP1_AXR4.GPIO0_45 */
+ J784S4_IOPAD(0x0C0, PIN_INPUT, 7) /* (AD38) MCASP1_AXR0.GPIO0_48 */
+ J784S4_IOPAD(0x00C, PIN_INPUT, 7) /* (AF33) MCAN13_TX.GPIO0_3 */
+ J784S4_IOPAD(0x0B8, PIN_INPUT, 7) /* (AC34) MCASP1_ACLKX.GPIO0_46 */
+ J784S4_IOPAD(0x090, PIN_INPUT, 7) /* (AC35) MCASP0_AXR8.GPIO0_36 */
+ J784S4_IOPAD(0x0A8, PIN_INPUT, 7) /* (AF34) MCASP0_AXR14.GPIO0_42 */
+ J784S4_IOPAD(0x0A4, PIN_INPUT, 7) /* (AJ36) MCASP0_AXR13.GPIO0_41 */
+ J784S4_IOPAD(0x034, PIN_INPUT, 7) /* (AJ34) PMIC_WAKE0n.GPIO0_13 */
+ J784S4_IOPAD(0x0CC, PIN_INPUT, 7) /* (AM37) SPI0_CS0.GPIO0_51 */
+ J784S4_IOPAD(0x08C, PIN_INPUT, 7) /* (AE35) MCASP0_AXR7.GPIO0_35 */
+ J784S4_IOPAD(0x008, PIN_INPUT, 7) /* (AJ33) MCAN12_RX.GPIO0_2 */
+ J784S4_IOPAD(0x004, PIN_INPUT, 7) /* (AG36) MCAN12_TX.GPIO0_1 */
+ >;
+ };
};
&wkup_pmx2 {
@@ -167,6 +186,13 @@ J784S4_WKUP_IOPAD(0x088, PIN_OUTPUT, 0) /* (J37) WKUP_GPIO0_12.MCU_UART0_TXD */
>;
};
+ mcu_i2c0_pins_default: mcu-i2c0-pins-default {
+ pinctrl-single,pins = <
+ J784S4_WKUP_IOPAD(0x0a0, PIN_INPUT_PULLUP, 0) /* (M35) MCU_I2C0_SCL */
+ J784S4_WKUP_IOPAD(0x0a4, PIN_INPUT_PULLUP, 0) /* (G34) MCU_I2C0_SDA */
+ >;
+ };
+
mcu_cpsw_pins_default: mcu-cpsw-pins-default {
pinctrl-single,pins = <
J784S4_WKUP_IOPAD(0x02c, PIN_INPUT, 0) /* (A35) MCU_RGMII1_RD0 */
@@ -190,6 +216,28 @@ J784S4_WKUP_IOPAD(0x034, PIN_OUTPUT, 0) /* (A36) MCU_MDIO0_MDC */
J784S4_WKUP_IOPAD(0x030, PIN_INPUT, 0) /* (B35) MCU_MDIO0_MDIO */
>;
};
+
+ mcu_rpi_hdr1_gpio0_pins_default: mcu-rpi-hdr1-gpio0-pins-default {
+ pinctrl-single,pins = <
+ J784S4_WKUP_IOPAD(0x118, PIN_INPUT, 7) /* (N34) WKUP_GPIO0_66 */
+ J784S4_WKUP_IOPAD(0x05c, PIN_INPUT, 7) /* (J34) WKUP_GPIO0_1 */
+ J784S4_WKUP_IOPAD(0x060, PIN_INPUT, 7) /* (J35) WKUP_GPIO0_2 */
+ J784S4_WKUP_IOPAD(0x058, PIN_INPUT, 7) /* (H38) WKUP_GPIO0_0 */
+ J784S4_WKUP_IOPAD(0x0b8, PIN_INPUT, 7) /* (M37) WKUP_GPIO0_56 */
+ J784S4_WKUP_IOPAD(0x114, PIN_INPUT, 7) /* (M36) WKUP_GPIO0_57 */
+ J784S4_WKUP_IOPAD(0x094, PIN_INPUT, 7) /* (K37) WKUP_GPIO0_15 */
+ J784S4_WKUP_IOPAD(0x064, PIN_INPUT, 7) /* (J36) WKUP_GPIO0_3 */
+ J784S4_WKUP_IOPAD(0x11c, PIN_INPUT, 7) /* (M34) WKUP_GPIO0_67 */
+ >;
+ };
+};
+
+&wkup_pmx3 {
+ mcu_rpi_hdr2_gpio0_pins_default: mcu-rpi-hdr2-gpio0-pins-default {
+ pinctrl-single,pins = <
+ J784S4_WKUP_IOPAD(0x0, PIN_INPUT, 7) /* (M33) WKUP_GPIO0_49 */
+ >;
+ };
};
&wkup_uart0 {
@@ -212,12 +260,25 @@ eeprom@51 {
};
};
+&wkup_gpio0 {
+ status = "okay";
+ pinctrl-names = "default";
+ pinctrl-0 = <&mcu_rpi_hdr1_gpio0_pins_default>, <&mcu_rpi_hdr2_gpio0_pins_default>;
+};
+
&mcu_uart0 {
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&mcu_uart0_pins_default>;
};
+&mcu_i2c0 {
+ status = "okay";
+ pinctrl-names = "default";
+ pinctrl-0 = <&mcu_i2c0_pins_default>;
+ clock-frequency = <400000>;
+};
+
&main_uart8 {
status = "okay";
pinctrl-names = "default";
@@ -256,6 +317,8 @@ &main_sdhci1 {
&main_gpio0 {
status = "okay";
+ pinctrl-names = "default";
+ pinctrl-0 = <&rpi_header_gpio0_pins_default>;
};
&mcu_cpsw {
--
2.40.0