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arm64: dts: qcom: sm6115: add debug UART pins

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We should not rely on the bootloader to set up the pinmux of the debug
UART port. Let's add pin definitions for uart4 to tlmm and bind them to
the relevant device node.

Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Link: https://lore.kernel.org/r/20250625152839.193672-1-brgl@bgdev.pl
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
This commit is contained in:
Bartosz Golaszewski 2025-06-25 17:28:38 +02:00 committed by Bjorn Andersson
parent 56cf5ad39a
commit 08a1ea3fe8
1 changed files with 9 additions and 0 deletions
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9
arch/arm64/boot/dts/qcom/sm6115.dtsi
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@ -721,6 +721,13 @@ qup_spi5_default: qup-spi5-default-state {
bias-pull-up;
};
qup_uart4_default: qup-uart4-default-state {
pins = "gpio12", "gpio13";
function = "qup4";
drive-strength = <2>;
bias-disable;
};
sdc1_state_on: sdc1-on-state {
clk-pins {
pins = "sdc1_clk";
@ -1565,6 +1572,8 @@ uart4: serial@4a90000 {
reg = <0x0 0x04a90000 0x0 0x4000>;
clock-names = "se";
clocks = <&gcc GCC_QUPV3_WRAP0_S4_CLK>;
pinctrl-names = "default";
pinctrl-0 = <&qup_uart4_default>;
interrupts = <GIC_SPI 331 IRQ_TYPE_LEVEL_HIGH>;
interconnects = <&clk_virt MASTER_QUP_CORE_0 RPM_ALWAYS_TAG
&clk_virt SLAVE_QUP_CORE_0 RPM_ALWAYS_TAG>,