| Message ID | 20230510123216.3440019-2-n-yadav@ti.com |
|---|---|
| State | New |
| Headers | show |
| Series | [1/2] arm64: dts: ti: k3-am62x-sk-common: Add main_uart1 and wkup_uart nodes | expand |
On 18:02-20230510, Nitin Yadav wrote: > wkup_uart and main_uart1 on this platform is used by TIFS and DM > firmwares. Describe pinmux and add aliases for completeness. > > Signed-off-by: Nitin Yadav <n-yadav@ti.com> > --- > .../arm64/boot/dts/ti/k3-am62x-sk-common.dtsi | 26 +++++++++++++++++++ > 1 file changed, 26 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 976f8303c84f..e29ea8ae2177 100644 > --- a/arch/arm64/boot/dts/ti/k3-am62x-sk-common.dtsi > +++ b/arch/arm64/boot/dts/ti/k3-am62x-sk-common.dtsi > @@ -12,7 +12,9 @@ > > / { > aliases { > + serial0 = &wkup_uart0; > serial2 = &main_uart0; > + serial3 = &main_uart1; > mmc0 = &sdhci0; > mmc1 = &sdhci1; > mmc2 = &sdhci2; > @@ -127,6 +129,15 @@ AM62X_IOPAD(0x1cc, PIN_OUTPUT, 0) /* (E14/E11) UART0_TXD */ > >; > }; > > + main_uart1_pins_default: main-uart1-pins-default { > + pinctrl-single,pins = < > + AM62X_IOPAD(0x194, PIN_INPUT, 2) /* (B19) MCASP0_AXR3.UART1_CTSn */ > + AM62X_IOPAD(0x198, PIN_OUTPUT, 2) /* (A19) MCASP0_AXR2.UART1_RTSn */ > + AM62X_IOPAD(0x1ac, PIN_INPUT, 2) /* (E19) MCASP0_AFSR.UART1_RXD */ > + AM62X_IOPAD(0x1b0, PIN_OUTPUT, 2) /* (A20) MCAS/mP0_ACLKR.UART1_TXD */ In all places for sk-common.dtsi, Could you fix the documentation in line with rest of the code? /* First pad number is ALW package and second is AMC package */ [..]
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 976f8303c84f..e29ea8ae2177 100644 --- a/arch/arm64/boot/dts/ti/k3-am62x-sk-common.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am62x-sk-common.dtsi @@ -12,7 +12,9 @@ / { aliases { + serial0 = &wkup_uart0; serial2 = &main_uart0; + serial3 = &main_uart1; mmc0 = &sdhci0; mmc1 = &sdhci1; mmc2 = &sdhci2; @@ -127,6 +129,15 @@ AM62X_IOPAD(0x1cc, PIN_OUTPUT, 0) /* (E14/E11) UART0_TXD */ >; }; + main_uart1_pins_default: main-uart1-pins-default { + pinctrl-single,pins = < + AM62X_IOPAD(0x194, PIN_INPUT, 2) /* (B19) MCASP0_AXR3.UART1_CTSn */ + AM62X_IOPAD(0x198, PIN_OUTPUT, 2) /* (A19) MCASP0_AXR2.UART1_RTSn */ + AM62X_IOPAD(0x1ac, PIN_INPUT, 2) /* (E19) MCASP0_AFSR.UART1_RXD */ + AM62X_IOPAD(0x1b0, PIN_OUTPUT, 2) /* (A20) MCAS/mP0_ACLKR.UART1_TXD */ + >; + }; + main_i2c0_pins_default: main-i2c0-pins-default { pinctrl-single,pins = < AM62X_IOPAD(0x1e0, PIN_INPUT_PULLUP, 0) /* (B16/E12) I2C0_SCL */ @@ -221,8 +232,21 @@ AM62X_IOPAD(0x084, PIN_INPUT, 2) /* (L23) GPMC0_ADVN_ALE.MCASP1_AXR2 */ }; }; +&mcu_pmx0 { + wkup_uart0_pins_default: wkup-uart0-pins-default { + pinctrl-single,pins = < + AM62X_MCU_IOPAD(0x02c, PIN_INPUT, 0) /* (C6) WKUP_UART0_CTSn */ + AM62X_MCU_IOPAD(0x030, PIN_OUTPUT, 0) /* (A4) WKUP_UART0_RTSn */ + AM62X_MCU_IOPAD(0x024, PIN_INPUT, 0) /* (B4) WKUP_UART0_RXD */ + AM62X_MCU_IOPAD(0x028, PIN_OUTPUT, 0) /* (C5) WKUP_UART0_TXD */ + >; + }; +}; + &wkup_uart0 { /* WKUP UART0 is used by DM firmware */ + pinctrl-names = "default"; + pinctrl-0 = <&wkup_uart0_pins_default>; status = "reserved"; }; @@ -234,6 +258,8 @@ &main_uart0 { &main_uart1 { /* Main UART1 is used by TIFS firmware */ + pinctrl-names = "default"; + pinctrl-0 = <&main_uart1_pins_default>; status = "reserved"; };
wkup_uart and main_uart1 on this platform is used by TIFS and DM firmwares. Describe pinmux and add aliases for completeness. Signed-off-by: Nitin Yadav <n-yadav@ti.com> --- .../arm64/boot/dts/ti/k3-am62x-sk-common.dtsi | 26 +++++++++++++++++++ 1 file changed, 26 insertions(+)