diff options
| author |   Emil Renner Berthing <emil.renner.berthing@canonical.com> | 2024-10-14 10:54:22 -0700 |
|---|---|---|
| committer |   Drew Fustini <dfustini@tenstorrent.com> | 2024-10-15 10:01:18 -0700 |
| commit | d7252a0731ac6dd515e04e1f72e9247d6ded3492 (patch) | |
| tree | b641569b267e21f1e05c544a9f82f51c5297c992 | |
| parent | riscv: dts: thead: Add Lichee Pi 4M GPIO line names (diff) | |
| download | wireguard-linux-d7252a0731ac6dd515e04e1f72e9247d6ded3492.tar.xz wireguard-linux-d7252a0731ac6dd515e04e1f72e9247d6ded3492.zip | |
riscv: dts: thead: Add TH1520 pinctrl settings for UART0
Add pinctrl settings for UART0 used as the default debug console on
both the Lichee Pi 4A and BeagleV Ahead boards.
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Tested-by: Thomas Bonnefille <thomas.bonnefille@bootlin.com>
Signed-off-by: Emil Renner Berthing <emil.renner.berthing@canonical.com>
Signed-off-by: Drew Fustini <dfustini@tenstorrent.com>
| -rw-r--r-- | arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts | 26 | ||||
| -rw-r--r-- | arch/riscv/boot/dts/thead/th1520-lichee-pi-4a.dts | 26 |
2 files changed, 52 insertions, 0 deletions
diff --git a/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts b/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts index 1a4154a6ff3b..0484fb390be4 100644 --- a/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts +++ b/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts @@ -61,6 +61,30 @@ status = "okay"; }; +&padctrl0_apsys { + uart0_pins: uart0-0 { + tx-pins { + pins = "UART0_TXD"; + function = "uart"; + bias-disable; + drive-strength = <3>; + input-disable; + input-schmitt-disable; + slew-rate = <0>; + }; + + rx-pins { + pins = "UART0_RXD"; + function = "uart"; + bias-pull-up; + drive-strength = <1>; + input-enable; + input-schmitt-enable; + slew-rate = <0>; + }; + }; +}; + &sdio0 { bus-width = <4>; max-frequency = <198000000>; @@ -68,6 +92,8 @@ }; &uart0 { + pinctrl-names = "default"; + pinctrl-0 = <&uart0_pins>; status = "okay"; }; diff --git a/arch/riscv/boot/dts/thead/th1520-lichee-pi-4a.dts b/arch/riscv/boot/dts/thead/th1520-lichee-pi-4a.dts index 58ad381fc1c3..f60b1879192d 100644 --- a/arch/riscv/boot/dts/thead/th1520-lichee-pi-4a.dts +++ b/arch/riscv/boot/dts/thead/th1520-lichee-pi-4a.dts @@ -30,7 +30,33 @@ }; }; +&padctrl0_apsys { + uart0_pins: uart0-0 { + tx-pins { + pins = "UART0_TXD"; + function = "uart"; + bias-disable; + drive-strength = <3>; + input-disable; + input-schmitt-disable; + slew-rate = <0>; + }; + + rx-pins { + pins = "UART0_RXD"; + function = "uart"; + bias-disable; + drive-strength = <1>; + input-enable; + input-schmitt-enable; + slew-rate = <0>; + }; + }; +}; + &uart0 { + pinctrl-names = "default"; + pinctrl-0 = <&uart0_pins>; status = "okay"; }; |