mirrors/linux
2
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2026-05-13 07:08:21 -04:00
Code Issues Packages Projects Releases Wiki Activity

riscv: dts: thead: Add TH1520 pinctrl settings for UART0

Browse Source 
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>
This commit is contained in:
Emil Renner Berthing
2024-10-14 10:54:22 -07:00
committed by Drew Fustini
parent 3893d1bfe0
commit d7252a0731
2 changed files with 52 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

26
arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts
View File

@@ -61,6 +61,30 @@ &emmc {
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 @@ &sdio0 {
};
&uart0 {
pinctrl-names = "default";
pinctrl-0 = <&uart0_pins>;
status = "okay";
};

26
arch/riscv/boot/dts/thead/th1520-lichee-pi-4a.dts
View File

@@ -30,7 +30,33 @@ chosen {
};
};
&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";
};