From: Nishanth Menon Date: Fri, 2 Jun 2023 21:49:35 +0000 (-0500) Subject: arm64: dts: ti: k3-am69-sk: Add mcu and wakeup uarts X-Git-Tag: v6.6.7~2515^2~14^2~39 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=45299dd1991b496ddab5ab4a86d7ae601e0e4c7f;p=platform%2Fkernel%2Flinux-starfive.git arm64: dts: ti: k3-am69-sk: Add mcu and wakeup uarts Add wakeup and MCU uart. This allows the device tree usage in bootloader and firmwares that can configure the same appropriately. Signed-off-by: Nishanth Menon Reviewed-by: Udit Kumar Link: https://lore.kernel.org/r/20230602214937.2349545-7-nm@ti.com Signed-off-by: Vignesh Raghavendra --- diff --git a/arch/arm64/boot/dts/ti/k3-am69-sk.dts b/arch/arm64/boot/dts/ti/k3-am69-sk.dts index 2194910..125e4af 100644 --- a/arch/arm64/boot/dts/ti/k3-am69-sk.dts +++ b/arch/arm64/boot/dts/ti/k3-am69-sk.dts @@ -21,6 +21,8 @@ }; aliases { + serial0 = &wkup_uart0; + serial1 = &mcu_uart0; serial2 = &main_uart8; mmc0 = &main_sdhci0; mmc1 = &main_sdhci1; @@ -142,6 +144,22 @@ }; &wkup_pmx2 { + wkup_uart0_pins_default: wkup-uart0-pins-default { + pinctrl-single,pins = < + J721S2_WKUP_IOPAD(0x070, PIN_INPUT, 0) /* (L37) WKUP_GPIO0_6.WKUP_UART0_CTSn */ + J721S2_WKUP_IOPAD(0x074, PIN_INPUT, 0) /* (L36) WKUP_GPIO0_7.WKUP_UART0_RTSn */ + J721S2_WKUP_IOPAD(0x048, PIN_INPUT, 0) /* (K35) WKUP_UART0_RXD */ + J721S2_WKUP_IOPAD(0x04c, PIN_INPUT, 0) /* (K34) WKUP_UART0_TXD */ + >; + }; + + mcu_uart0_pins_default: mcu-uart0-pins-default { + pinctrl-single,pins = < + J784S4_WKUP_IOPAD(0x08c, PIN_INPUT, 0) /* (K38) WKUP_GPIO0_13.MCU_UART0_RXD */ + J784S4_WKUP_IOPAD(0x088, PIN_OUTPUT, 0) /* (J37) WKUP_GPIO0_12.MCU_UART0_TXD */ + >; + }; + mcu_cpsw_pins_default: mcu-cpsw-pins-default { pinctrl-single,pins = < J784S4_WKUP_IOPAD(0x02c, PIN_INPUT, 0) /* (A35) MCU_RGMII1_RD0 */ @@ -167,6 +185,19 @@ }; }; +&wkup_uart0 { + /* Firmware usage */ + status = "reserved"; + pinctrl-names = "default"; + pinctrl-0 = <&wkup_uart0_pins_default>; +}; + +&mcu_uart0 { + status = "okay"; + pinctrl-names = "default"; + pinctrl-0 = <&mcu_uart0_pins_default>; +}; + &main_uart8 { status = "okay"; pinctrl-names = "default";