| Message ID | 20240822053538.10475-1-b-kapoor@ti.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | arm64: dts: ti: k3-j722s-evm: Describe main_uart5 | expand |
On 11:05-20240822, Bhavya Kapoor wrote: > main_uart5 in J722S platform is used by the firmware. Thus, what platform? what firmware? > describe it for completeness, adding the pinmux and mark > it as reserved. > > Signed-off-by: Bhavya Kapoor <b-kapoor@ti.com> > --- > arch/arm64/boot/dts/ti/k3-j722s-evm.dts | 14 ++++++++++++++ > 1 file changed, 14 insertions(+) > > diff --git a/arch/arm64/boot/dts/ti/k3-j722s-evm.dts b/arch/arm64/boot/dts/ti/k3-j722s-evm.dts > index 24e9f2ea509b..5addf1c0afc2 100644 > --- a/arch/arm64/boot/dts/ti/k3-j722s-evm.dts > +++ b/arch/arm64/boot/dts/ti/k3-j722s-evm.dts > @@ -20,6 +20,7 @@ / { > aliases { > serial0 = &wkup_uart0; > serial2 = &main_uart0; > + serial3 = &main_uart5; > mmc0 = &sdhci0; > mmc1 = &sdhci1; > }; > @@ -211,6 +212,13 @@ J722S_IOPAD(0x01cc, PIN_OUTPUT, 0) /* (B22) UART0_TXD */ > bootph-all; > }; > > + main_uart5_pins_default: main-uart5-default-pins { > + pinctrl-single,pins = < > + J722S_IOPAD(0x0108, PIN_INPUT, 3) /* (J27) UART5_RXD */ > + J722S_IOPAD(0x010c, PIN_OUTPUT, 3) /* (H27) UART5_TXD */ > + >; > + }; > + > vdd_sd_dv_pins_default: vdd-sd-dv-default-pins { > pinctrl-single,pins = < > J722S_IOPAD(0x0120, PIN_INPUT, 7) /* (F27) MMC2_CMD.GPIO0_70 */ > @@ -330,6 +338,12 @@ &main_uart0 { > bootph-all; > }; > > +&main_uart5 { > + pinctrl-names = "default"; > + pinctrl-0 = <&main_uart5_pins_default>; Document specifically why reserved. > + status = "reserved"; > +}; > + > &mcu_pmx0 { > > mcu_mcan0_pins_default: mcu-mcan0-default-pins { > -- > 2.34.1 >
On 24/08/24 11:44 pm, Nishanth Menon wrote: > On 11:05-20240822, Bhavya Kapoor wrote: >> main_uart5 in J722S platform is used by the firmware. Thus, > what platform? what firmware? Hey Nishanth, it is used by system firmware for its logs in J722S-EVM. > >> describe it for completeness, adding the pinmux and mark >> it as reserved. >> >> Signed-off-by: Bhavya Kapoor <b-kapoor@ti.com> >> --- >> arch/arm64/boot/dts/ti/k3-j722s-evm.dts | 14 ++++++++++++++ >> 1 file changed, 14 insertions(+) >> >> diff --git a/arch/arm64/boot/dts/ti/k3-j722s-evm.dts b/arch/arm64/boot/dts/ti/k3-j722s-evm.dts >> index 24e9f2ea509b..5addf1c0afc2 100644 >> --- a/arch/arm64/boot/dts/ti/k3-j722s-evm.dts >> +++ b/arch/arm64/boot/dts/ti/k3-j722s-evm.dts >> @@ -20,6 +20,7 @@ / { >> aliases { >> serial0 = &wkup_uart0; >> serial2 = &main_uart0; >> + serial3 = &main_uart5; >> mmc0 = &sdhci0; >> mmc1 = &sdhci1; >> }; >> @@ -211,6 +212,13 @@ J722S_IOPAD(0x01cc, PIN_OUTPUT, 0) /* (B22) UART0_TXD */ >> bootph-all; >> }; >> >> + main_uart5_pins_default: main-uart5-default-pins { >> + pinctrl-single,pins = < >> + J722S_IOPAD(0x0108, PIN_INPUT, 3) /* (J27) UART5_RXD */ >> + J722S_IOPAD(0x010c, PIN_OUTPUT, 3) /* (H27) UART5_TXD */ >> + >; >> + }; >> + >> vdd_sd_dv_pins_default: vdd-sd-dv-default-pins { >> pinctrl-single,pins = < >> J722S_IOPAD(0x0120, PIN_INPUT, 7) /* (F27) MMC2_CMD.GPIO0_70 */ >> @@ -330,6 +338,12 @@ &main_uart0 { >> bootph-all; >> }; >> >> +&main_uart5 { >> + pinctrl-names = "default"; >> + pinctrl-0 = <&main_uart5_pins_default>; > Document specifically why reserved. Will send out v2 for this. > >> + status = "reserved"; >> +}; >> + >> &mcu_pmx0 { >> >> mcu_mcan0_pins_default: mcu-mcan0-default-pins { >> -- >> 2.34.1 >>
diff --git a/arch/arm64/boot/dts/ti/k3-j722s-evm.dts b/arch/arm64/boot/dts/ti/k3-j722s-evm.dts index 24e9f2ea509b..5addf1c0afc2 100644 --- a/arch/arm64/boot/dts/ti/k3-j722s-evm.dts +++ b/arch/arm64/boot/dts/ti/k3-j722s-evm.dts @@ -20,6 +20,7 @@ / { aliases { serial0 = &wkup_uart0; serial2 = &main_uart0; + serial3 = &main_uart5; mmc0 = &sdhci0; mmc1 = &sdhci1; }; @@ -211,6 +212,13 @@ J722S_IOPAD(0x01cc, PIN_OUTPUT, 0) /* (B22) UART0_TXD */ bootph-all; }; + main_uart5_pins_default: main-uart5-default-pins { + pinctrl-single,pins = < + J722S_IOPAD(0x0108, PIN_INPUT, 3) /* (J27) UART5_RXD */ + J722S_IOPAD(0x010c, PIN_OUTPUT, 3) /* (H27) UART5_TXD */ + >; + }; + vdd_sd_dv_pins_default: vdd-sd-dv-default-pins { pinctrl-single,pins = < J722S_IOPAD(0x0120, PIN_INPUT, 7) /* (F27) MMC2_CMD.GPIO0_70 */ @@ -330,6 +338,12 @@ &main_uart0 { bootph-all; }; +&main_uart5 { + pinctrl-names = "default"; + pinctrl-0 = <&main_uart5_pins_default>; + status = "reserved"; +}; + &mcu_pmx0 { mcu_mcan0_pins_default: mcu-mcan0-default-pins {
main_uart5 in J722S platform is used by the firmware. Thus, describe it for completeness, adding the pinmux and mark it as reserved. Signed-off-by: Bhavya Kapoor <b-kapoor@ti.com> --- arch/arm64/boot/dts/ti/k3-j722s-evm.dts | 14 ++++++++++++++ 1 file changed, 14 insertions(+)