Many of the definitions depend on pinmux done by the bootloader. Be
explicit about the pinmux for functionality and completeness.
Signed-off-by: Nishanth Menon <nm@xxxxxx>
---
.../arm64/boot/dts/ti/k3-am654-base-board.dts | 34 +++++++++++++++++--
1 file changed, 32 insertions(+), 2 deletions(-)
diff --git a/arch/arm64/boot/dts/ti/k3-am654-base-board.dts b/arch/arm64/boot/dts/ti/k3-am654-base-board.dts
index 592ab2b54cb3..7a79ef51bcc8 100644
--- a/arch/arm64/boot/dts/ti/k3-am654-base-board.dts
+++ b/arch/arm64/boot/dts/ti/k3-am654-base-board.dts
@@ -120,6 +120,15 @@ vdd_mmc1_sd: fixedregulator-sd {
};
&wkup_pmx0 {
+ wkup_uart0_pins_default: wkup-uart0-pins-default {
+ pinctrl-single,pins = <
+ AM65X_WKUP_IOPAD(0x00a0, PIN_INPUT, 0) /* (AB1) WKUP_UART0_RXD */
+ AM65X_WKUP_IOPAD(0x00a4, PIN_OUTPUT, 0) /* (AB5) WKUP_UART0_TXD */
+ AM65X_WKUP_IOPAD(0x00c8, PIN_INPUT, 1) /* (AC2) WKUP_GPIO0_6.WKUP_UART0_CTSn */
+ AM65X_WKUP_IOPAD(0x00cc, PIN_OUTPUT, 1) /* (AC1) WKUP_GPIO0_7.WKUP_UART0_RTSn */
+ >;
+ };
+
wkup_i2c0_pins_default: wkup-i2c0-pins-default {
pinctrl-single,pins = <
AM65X_WKUP_IOPAD(0x00e0, PIN_INPUT, 0) /* (AC7) WKUP_I2C0_SCL */
@@ -156,6 +165,15 @@ AM65X_WKUP_IOPAD(0x0034, PIN_INPUT, 7) /* (T1) MCU_OSPI1_CLK.WKUP_GPIO0_25 */
>;
};
+ mcu_uart0_pins_default: mcu-uart0-pins-default {
+ pinctrl-single,pins = <
+ AM65X_WKUP_IOPAD(0x0044, PIN_INPUT, 4) /* (P4) MCU_OSPI1_D1.MCU_UART0_RXD */
+ AM65X_WKUP_IOPAD(0x0048, PIN_OUTPUT, 4) /* (P5) MCU_OSPI1_D2.MCU_UART0_TXD */
+ AM65X_WKUP_IOPAD(0x004C, PIN_INPUT, 4) /* (P1) MCU_OSPI1_D3.MCU_UART0_CTSn */
+ AM65X_WKUP_IOPAD(0x0054, PIN_OUTPUT, 4) /* (N3) MCU_OSPI1_CSn1.MCU_UART0_RTSn */
+ >;
+ };
+
mcu_cpsw_pins_default: mcu-cpsw-pins-default {
pinctrl-single,pins = <
AM65X_WKUP_IOPAD(0x0058, PIN_OUTPUT, 0) /* (N4) MCU_RGMII1_TX_CTL */
@@ -179,6 +197,13 @@ AM65X_WKUP_IOPAD(0x008c, PIN_OUTPUT, 0) /* (L1) MCU_MDIO0_MDC */
AM65X_WKUP_IOPAD(0x0088, PIN_INPUT, 0) /* (L4) MCU_MDIO0_MDIO */
>;
};
+
+ mcu_i2c0_pins_default: mcu-i2c0-pins-default {
+ pinctrl-single,pins = <
+ AM65X_WKUP_IOPAD(0x00e8, PIN_INPUT, 0) /* (AD8) MCU_I2C0_SCL */
+ AM65X_WKUP_IOPAD(0x00ec, PIN_INPUT, 0) /* (AD7) MCU_I2C0_SDA */
+ >;
+ };
};
&main_pmx0 {
@@ -269,11 +294,14 @@ AM65X_IOPAD(0x0010, PIN_INPUT, 0) /* (D21) ECAP0_IN_APWM_OUT */
&wkup_uart0 {
/* Wakeup UART is used by System firmware */
status = "reserved";
+ pinctrl-names = "default";
+ pinctrl-0 = <&wkup_uart0_pins_default>;
};
&mcu_uart0 {
status = "okay";
- /* Default pinmux */
+ pinctrl-names = "default";
+ pinctrl-0 = <&mcu_uart0_pins_default>;
};
&main_uart0 {
@@ -305,7 +333,9 @@ pca9554: gpio@39 {
&mcu_i2c0 {
status = "okay";
- /* Default pinmux */
+ pinctrl-names = "default";
+ pinctrl-0 = <&mcu_i2c0_pins_default>;
+ clock-frequency = <400000>;
};
&main_i2c0 {
--
2.40.0
