Add base description of UART and TLMM nodes which helps SM4450 boot to shell with console on boards with this SoC. Signed-off-by: Tengfei Fan <quic_tengfan@xxxxxxxxxxx> --- arch/arm64/boot/dts/qcom/sm4450.dtsi | 49 ++++++++++++++++++++++++++++ 1 file changed, 49 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/sm4450.dtsi b/arch/arm64/boot/dts/qcom/sm4450.dtsi index 5a8a54b0f6c1..3e7ae3bebbe0 100644 --- a/arch/arm64/boot/dts/qcom/sm4450.dtsi +++ b/arch/arm64/boot/dts/qcom/sm4450.dtsi @@ -364,6 +364,29 @@ <0>; }; + qupv3_id_0: geniqup@ac0000 { + compatible = "qcom,geni-se-qup"; + reg = <0x0 0x00ac0000 0x0 0x2000>; + ranges; + clocks = <&gcc GCC_QUPV3_WRAP_0_M_AHB_CLK>, + <&gcc GCC_QUPV3_WRAP_0_S_AHB_CLK>; + clock-names = "m-ahb", "s-ahb"; + #address-cells = <2>; + #size-cells = <2>; + status = "disabled"; + + uart7: serial@a88000 { + compatible = "qcom,geni-debug-uart"; + reg = <0x0 0x00a88000 0x0 0x4000>; + clocks = <&gcc GCC_QUPV3_WRAP1_S2_CLK>; + clock-names = "se"; + interrupts = <GIC_SPI 355 IRQ_TYPE_LEVEL_HIGH>; + pinctrl-0 = <&qup_uart7_tx>, <&qup_uart7_rx>; + pinctrl-names = "default"; + status = "disabled"; + }; + }; + tcsr_mutex: hwlock@1f40000 { compatible = "qcom,tcsr-mutex"; reg = <0x0 0x01f40000 0x0 0x40000>; @@ -380,6 +403,32 @@ interrupt-controller; }; + tlmm: pinctrl@f100000 { + compatible = "qcom,sm4450-tlmm"; + reg = <0x0 0x0f100000 0x0 0x300000>; + interrupts = <GIC_SPI 208 IRQ_TYPE_LEVEL_HIGH>; + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <2>; + gpio-ranges = <&tlmm 0 0 137>; + wakeup-parent = <&pdc>; + + qup_uart7_rx: qup-uart7-rx-state { + pins = "gpio23"; + function = "qup1_se2_l2"; + drive-strength = <2>; + bias-disable; + }; + + qup_uart7_tx: qup-uart7-tx-state { + pins = "gpio22"; + function = "qup1_se2_l2"; + drive-strength = <2>; + bias-disable; + }; + }; + intc: interrupt-controller@17200000 { compatible = "arm,gic-v3"; reg = <0x0 0x17200000 0x0 0x10000>, /* GICD */ -- 2.17.1