Add pinmux required to bring out the i2c and gpios on 40-pin RPi expansion header on the J722S EVM. Signed-off-by: Bhavya Kapoor <b-kapoor@xxxxxx> Signed-off-by: Shreyash Sinha <s-sinha@xxxxxx> --- Rebased To - next-20241025 arch/arm64/boot/dts/ti/k3-j722s-evm.dts | 62 +++++++++++++++++++++++++ 1 file changed, 62 insertions(+) diff --git a/arch/arm64/boot/dts/ti/k3-j722s-evm.dts b/arch/arm64/boot/dts/ti/k3-j722s-evm.dts index a00f4a7d20d9..7dce021a8a3c 100644 --- a/arch/arm64/boot/dts/ti/k3-j722s-evm.dts +++ b/arch/arm64/boot/dts/ti/k3-j722s-evm.dts @@ -359,6 +359,32 @@ audio_ext_refclk1_pins_default: audio-ext-refclk1-default-pins { J722S_IOPAD(0x00a0, PIN_OUTPUT, 1) /* (N24) GPMC0_WPn.AUDIO_EXT_REFCLK1 */ >; }; + + rpi_header_gpio0_pins_default: rpi-header-gpio0-default-pins { + pinctrl-single,pins = < + J722S_IOPAD(0x094, PIN_INPUT, 7) /* (P26) GPIO0_36 */ + J722S_IOPAD(0x088, PIN_INPUT, 7) /* (N22) GPIO0_33 */ + J722S_IOPAD(0x0ac, PIN_INPUT, 7) /* (P21) GPIO0_42 */ + J722S_IOPAD(0x0a8, PIN_INPUT, 7) /* (R27) GPIO0_41 */ + >; + }; + + rpi_header_gpio1_pins_default: rpi-header-gpio1-default-pins { + pinctrl-single,pins = < + J722S_IOPAD(0x1b0, PIN_INPUT, 7) /* (F24) GPIO1_14 */ + J722S_IOPAD(0x1ac, PIN_INPUT, 7) /* (C27) GPIO1_13 */ + J722S_IOPAD(0x198, PIN_INPUT, 7) /* (A26) GPIO1_8 */ + J722S_IOPAD(0x1a4, PIN_INPUT, 7) /* (D25) GPIO1_11 */ + J722S_IOPAD(0x194, PIN_INPUT, 7) /* (A25) GPIO1_7 */ + J722S_IOPAD(0x1b8, PIN_INPUT, 7) /* (C20) GPIO1_16 */ + J722S_IOPAD(0x1a8, PIN_INPUT, 7) /* (C26) GPIO1_12 */ + J722S_IOPAD(0x1a0, PIN_INPUT, 7) /* (F23) GPIO1_10 */ + J722S_IOPAD(0x19c, PIN_INPUT, 7) /* (B25) GPIO1_9 */ + J722S_IOPAD(0x1b4, PIN_INPUT, 7) /* (B20) GPIO1_15 */ + J722S_IOPAD(0x1bc, PIN_INPUT, 7) /* (D20) GPIO1_17 */ + J722S_IOPAD(0x1c0, PIN_INPUT, 7) /* (E19) GPIO1_18 */ + >; + }; }; &cpsw3g { @@ -387,6 +413,8 @@ &cpsw_port1 { }; &main_gpio1 { + pinctrl-names = "default"; + pinctrl-0 = <&rpi_header_gpio1_pins_default>; status = "okay"; }; @@ -443,6 +471,25 @@ J722S_MCU_IOPAD(0x050, PIN_INPUT_PULLUP, 0) /* (C6) WKUP_I2C1_SDA */ >; bootph-all; }; + + mcu_rpi_header_gpio0_pins_default: mcu-rpi-header-gpio0-default-pins { + pinctrl-single,pins = < + J722S_MCU_IOPAD(0x01c, PIN_INPUT, 7) /* (B5) MCU_GPIO0_7 */ + J722S_MCU_IOPAD(0x020, PIN_INPUT, 7) /* (C5) MCU_GPIO0_8 */ + J722S_MCU_IOPAD(0x00c, PIN_INPUT, 7) /* (B12) MCU_GPIO0_3 */ + J722S_MCU_IOPAD(0x010, PIN_INPUT, 7) /* (C11) MCU_GPIO0_4 */ + J722S_MCU_IOPAD(0x008, PIN_INPUT, 7) /* (A9) MCU_GPIO0_2 */ + J722S_MCU_IOPAD(0x000, PIN_INPUT, 7) /* (C12) MCU_GPIO0_0 */ + J722S_MCU_IOPAD(0x004, PIN_INPUT, 7) /* (A10) MCU_GPIO0_1 */ + >; + }; + + mcu_i2c0_pins_default: mcu-i2c0-default-pins { + pinctrl-single,pins = < + J722S_MCU_IOPAD(0x048, PIN_INPUT, 0) /* (E11) MCU_I2C0_SDA */ + J722S_MCU_IOPAD(0x044, PIN_INPUT, 0) /* (B13) MCU_I2C0_SCL */ + >; + }; }; &wkup_uart0 { @@ -810,5 +857,20 @@ &main_mcan0 { }; &mcu_gpio0 { + pinctrl-names = "default"; + pinctrl-0 = <&mcu_rpi_header_gpio0_pins_default>; + status = "okay"; +}; + +&main_gpio0 { + pinctrl-names = "default"; + pinctrl-0 = <&rpi_header_gpio0_pins_default>; + status = "okay"; +}; + +&mcu_i2c0 { + pinctrl-names = "default"; + pinctrl-0 = <&mcu_i2c0_pins_default>; + clock-frequency = <400000>; status = "okay"; }; -- 2.34.1