arm: dts: k3-j721e-common-proc-board: Add I2C GPIO expander

[oweals/u-boot.git] / arch / arm / dts / k3-j721e-common-proc-board.dts

diff --git a/arch/arm/dts/k3-j721e-common-proc-board.dts b/arch/arm/dts/k3-j721e-common-proc-board.dts
index 72110d634dbe4d46dce73c7f096a1113de8e16fe..d216b707fd2cbc144c8002f4450a47d19dbb1910 100644 (file)
--- a/arch/arm/dts/k3-j721e-common-proc-board.dts
+++ b/arch/arm/dts/k3-j721e-common-proc-board.dts
@@ -65,6 +65,22 @@
        status = "disabled";
 };
 
+&main_pmx0 {
+       main_mmc1_pins_default: main_mmc1_pins_default {
+               pinctrl-single,pins = <
+                       J721E_IOPAD(0x254, PIN_INPUT, 0) /* (R29) MMC1_CMD */
+                       J721E_IOPAD(0x250, PIN_INPUT, 0) /* (P25) MMC1_CLK */
+                       J721E_IOPAD(0x2ac, PIN_INPUT, 0) /* (P25) MMC1_CLKLB */
+                       J721E_IOPAD(0x24c, PIN_INPUT, 0) /* (R24) MMC1_DAT0 */
+                       J721E_IOPAD(0x248, PIN_INPUT, 0) /* (P24) MMC1_DAT1 */
+                       J721E_IOPAD(0x244, PIN_INPUT, 0) /* (R25) MMC1_DAT2 */
+                       J721E_IOPAD(0x240, PIN_INPUT, 0) /* (R26) MMC1_DAT3 */
+                       J721E_IOPAD(0x258, PIN_INPUT, 0) /* (P23) MMC1_SDCD */
+                       J721E_IOPAD(0x25c, PIN_INPUT, 0) /* (R28) MMC1_SDWP */
+               >;
+       };
+};
+
 &main_sdhci0 {
        /* eMMC */
        non-removable;
@@ -72,7 +88,9 @@
 };
 
 &main_sdhci1 {
-       /* SD/MMC */
+       /* SD card */
+       pinctrl-names = "default";
+       pinctrl-0 = <&main_mmc1_pins_default>;
        ti,driver-strength-ohm = <50>;
 };
 
@@ -89,6 +107,22 @@
                        J721E_IOPAD(0x214, PIN_OUTPUT, 4) /* (V4) MCAN1_TX.USB1_DRVVBUS */
                >;
        };
+
+       main_i2c0_pins_default: main-i2c0-pins-default {
+               pinctrl-single,pins = <
+                       J721E_IOPAD(0x220, PIN_INPUT_PULLUP, 0) /* (AC5) I2C0_SCL */
+                       J721E_IOPAD(0x224, PIN_INPUT_PULLUP, 0) /* (AA5) I2C0_SDA */
+               >;
+       };
+};
+
+&wkup_pmx0 {
+       wkup_i2c0_pins_default: wkup-i2c0-pins-default {
+               pinctrl-single,pins = <
+                       J721E_WKUP_IOPAD(0xf8, PIN_INPUT_PULLUP, 0) /* (J25) WKUP_I2C0_SCL */
+                       J721E_WKUP_IOPAD(0xfc, PIN_INPUT_PULLUP, 0) /* (H24) WKUP_I2C0_SDA */
+               >;
+       };
 };
 
 &usbss0 {
@@ -112,3 +146,29 @@
        dr_mode = "host";
        maximum-speed = "high-speed";
 };
+
+&wkup_i2c0 {
+       pinctrl-names = "default";
+       pinctrl-0 = <&wkup_i2c0_pins_default>;
+       clock-frequency = <400000>;
+};
+
+&main_i2c0 {
+       pinctrl-names = "default";
+       pinctrl-0 = <&main_i2c0_pins_default>;
+       clock-frequency = <400000>;
+
+       exp1: gpio@20 {
+               compatible = "ti,tca6416";
+               reg = <0x20>;
+               gpio-controller;
+               #gpio-cells = <2>;
+       };
+
+       exp2: gpio@22 {
+               compatible = "ti,tca6424";
+               reg = <0x22>;
+               gpio-controller;
+               #gpio-cells = <2>;
+       };
+};