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X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org There is one PRU UART module in the PRU subsystem for am62 SoC. UART RX/TX signals for PRU UART in PRU subsystem can be routed from/to the user expansion header J3 (pins 10/8) on am62x SK, so enable pruss_uart by default and add pinmux node. Signed-off-by: Judith Mendez --- arch/arm64/boot/dts/ti/k3-am62x-sk-common.dtsi | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/arch/arm64/boot/dts/ti/k3-am62x-sk-common.dtsi b/arch/arm64/boot/dts/ti/k3-am62x-sk-common.dtsi index ee8337bfbbfd..c474e1d1a74d 100644 --- a/arch/arm64/boot/dts/ti/k3-am62x-sk-common.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am62x-sk-common.dtsi @@ -15,6 +15,7 @@ aliases { serial0 = &wkup_uart0; serial1 = &mcu_uart0; serial2 = &main_uart0; + serial3 = &pruss_uart; mmc0 = &sdhci0; mmc1 = &sdhci1; mmc2 = &sdhci2; @@ -181,6 +182,13 @@ AM62X_IOPAD(0x1b0, PIN_OUTPUT, 2) /* (A20/D16) MCASP0_ACLKR.UART1_TXD */ >; }; + pruss_uart_pins: pruss-uart-pins { + pinctrl-single,pins = < + AM62X_IOPAD(0x01d8, PIN_INPUT, 6) /* (C15) MCAN0_TX.PR0_UART0_RXD */ + AM62X_IOPAD(0x01dc, PIN_OUTPUT, 6) /* (E15) MCAN0_RX.PR0_UART0_TXD */ + >; + }; + main_i2c0_pins_default: main-i2c0-default-pins { pinctrl-single,pins = < AM62X_IOPAD(0x1e0, PIN_INPUT_PULLUP, 0) /* (B16/E12) I2C0_SCL */ @@ -370,6 +378,12 @@ &main_uart1 { pinctrl-0 = <&main_uart1_pins_default>; }; +&pruss_uart { + pinctrl-names = "default"; + pinctrl-0 = <&pruss_uart_pins>; + status = "okay"; +}; + &main_i2c0 { status = "okay"; pinctrl-names = "default"; -- 2.49.0