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| author | Nishanth Menon <nm@ti.com> | 2023-04-25 17:17:08 -0500 |
|---|---|---|
| committer | Vignesh Raghavendra <vigneshr@ti.com> | 2023-06-06 23:02:21 +0530 |
| commit | cf39ff15cc01adea0ec46d1571d5ae849bb02d43 (patch) | |
| tree | da0863b9640d2169b5823d017f3fd6db532a9c1b | |
| parent | 13fdc081fbe997fbd6addc8eafc240655c2fc7e8 (diff) | |
| download | linux-cf39ff15cc01adea0ec46d1571d5ae849bb02d43.tar.gz linux-cf39ff15cc01adea0ec46d1571d5ae849bb02d43.zip | |
arm64: dts: ti: k3-am62a7-sk: Describe main_uart1 and wkup_uart
wkup_uart and main_uart1 on this platform is used by tifs and DM
firmwares. Describe them for completeness including the pinmux.
Signed-off-by: Nishanth Menon <nm@ti.com>
[bb@ti.com: updated pinmux and commit subject]
Signed-off-by: Bryan Brattlof <bb@ti.com>
Link: https://lore.kernel.org/r/20230425221708.549675-1-bb@ti.com
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
| -rw-r--r-- | arch/arm64/boot/dts/ti/k3-am62a7-sk.dts | 40 |
1 files changed, 38 insertions, 2 deletions
diff --git a/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts b/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts index f6a67f072dca..65caa5611d6d 100644 --- a/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts +++ b/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts @@ -17,7 +17,9 @@ model = "Texas Instruments AM62A7 SK"; aliases { + serial0 = &wkup_uart0; serial2 = &main_uart0; + serial3 = &main_uart1; mmc1 = &sdhci1; }; @@ -114,11 +116,38 @@ }; }; +&mcu_pmx0 { + wkup_uart0_pins_default: wkup-uart0-pins-default { + pinctrl-single,pins = < + AM62AX_MCU_IOPAD(0x0024, PIN_INPUT, 0) /* (C9) WKUP_UART0_RXD */ + AM62AX_MCU_IOPAD(0x0028, PIN_OUTPUT, 0) /* (E9) WKUP_UART0_TXD */ + AM62AX_MCU_IOPAD(0x002c, PIN_INPUT, 0) /* (C10) WKUP_UART0_CTSn */ + AM62AX_MCU_IOPAD(0x0030, PIN_OUTPUT, 0) /* (C8) WKUP_UART0_RTSn */ + >; + }; +}; + +/* WKUP UART0 is used for DM firmware logs */ +&wkup_uart0 { + pinctrl-names = "default"; + pinctrl-0 = <&wkup_uart0_pins_default>; + status = "reserved"; +}; + &main_pmx0 { main_uart0_pins_default: main-uart0-pins-default { pinctrl-single,pins = < - AM62AX_IOPAD(0x1c8, PIN_INPUT, 0) /* (D14) UART0_RXD */ - AM62AX_IOPAD(0x1cc, PIN_OUTPUT, 0) /* (E14) UART0_TXD */ + AM62AX_IOPAD(0x1c8, PIN_INPUT, 0) /* (E14) UART0_RXD */ + AM62AX_IOPAD(0x1cc, PIN_OUTPUT, 0) /* (D15) UART0_TXD */ + >; + }; + + main_uart1_pins_default: main-uart1-pins-default { + pinctrl-single,pins = < + AM62AX_IOPAD(0x01e8, PIN_INPUT, 1) /* (C17) I2C1_SCL.UART1_RXD */ + AM62AX_IOPAD(0x01ec, PIN_OUTPUT, 1) /* (E17) I2C1_SDA.UART1_TXD */ + AM62AX_IOPAD(0x0194, PIN_INPUT, 2) /* (C19) MCASP0_AXR3.UART1_CTSn */ + AM62AX_IOPAD(0x0198, PIN_OUTPUT, 2) /* (B19) MCASP0_AXR2.UART1_RTSn */ >; }; @@ -254,6 +283,13 @@ pinctrl-0 = <&main_uart0_pins_default>; }; +/* Main UART1 is used for TIFS firmware logs */ +&main_uart1 { + pinctrl-names = "default"; + pinctrl-0 = <&main_uart1_pins_default>; + status = "reserved"; +}; + &usbss1 { status = "okay"; }; |