arm64: dts: ti: k3-am654-base-board: Add missing pinmux wkup_uart, mcu_uart and mcu_i2c

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@ti.com>
Reviewed-by: Kamlesh Gurudasani <kamlesh@ti.com>
Link: https://lore.kernel.org/r/20230419225913.663448-2-nm@ti.com
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>

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 0d6fc89..20d1eea 100644 (file)
--- a/arch/arm64/boot/dts/ti/k3-am654-base-board.dts
+++ b/arch/arm64/boot/dts/ti/k3-am654-base-board.dts
@@ -119,6 +119,15 @@
 };
 
 &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 */
@@ -155,6 +164,15 @@
                >;
        };
 
+       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 */
@@ -178,6 +196,13 @@
                        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 {
@@ -268,11 +293,14 @@
 &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 {
@@ -304,7 +332,9 @@
 
 &mcu_i2c0 {
        status = "okay";
-       /* Default pinmux */
+       pinctrl-names = "default";
+       pinctrl-0 = <&mcu_i2c0_pins_default>;
+       clock-frequency = <400000>;
 };
 
 &main_i2c0 {