From: Konrad Dybcio <quic_kdybcio@xxxxxxxxxxx>
GENI SE2 within QUP0 is used as UART on some devices, describe it.
While at it, rewrite the adjacent UART21 pins node to make it more
easily modifiable.
Signed-off-by: Konrad Dybcio <quic_kdybcio@xxxxxxxxxxx>
---
arch/arm64/boot/dts/qcom/x1e80100.dtsi | 70 +++++++++++++++++++++++++++++++---
1 file changed, 65 insertions(+), 5 deletions(-)
diff --git a/arch/arm64/boot/dts/qcom/x1e80100.dtsi b/arch/arm64/boot/dts/qcom/x1e80100.dtsi
index 6abff8258674..f9e0b1dda4c0 100644
--- a/arch/arm64/boot/dts/qcom/x1e80100.dtsi
+++ b/arch/arm64/boot/dts/qcom/x1e80100.dtsi
@@ -2143,6 +2143,28 @@ &config_noc SLAVE_QUP_0 QCOM_ICC_TAG_ALWAYS>,
status = "disabled";
};
+ uart2: serial@b88000 {
+ compatible = "qcom,geni-uart";
+ reg = <0 0x00b88000 0 0x4000>;
+
+ interrupts = <GIC_SPI 584 IRQ_TYPE_LEVEL_HIGH>;
+
+ clocks = <&gcc GCC_QUPV3_WRAP0_S2_CLK>;
+ clock-names = "se";
+
+ interconnects = <&clk_virt MASTER_QUP_CORE_0 QCOM_ICC_TAG_ALWAYS
+ &clk_virt SLAVE_QUP_CORE_0 QCOM_ICC_TAG_ALWAYS>,
+ <&gem_noc MASTER_APPSS_PROC QCOM_ICC_TAG_ALWAYS
+ &config_noc SLAVE_QUP_0 QCOM_ICC_TAG_ALWAYS>;
+ interconnect-names = "qup-core",
+ "qup-config";
+
+ pinctrl-0 = <&qup_uart2_default>;
+ pinctrl-names = "default";
+
+ status = "disabled";
+ };
+
spi2: spi@b88000 {
compatible = "qcom,geni-spi";
reg = <0 0x00b88000 0 0x4000>;
@@ -5559,12 +5581,50 @@ qup_spi23_data_clk: qup-spi23-data-clk-state {
bias-disable;
};
+ qup_uart2_default: qup-uart2-default-state {
+ cts-pins {
+ pins = "gpio8";
+ function = "qup0_se2";
+ drive-strength = <2>;
+ bias-disable;
+ };
+
+ rts-pins {
+ pins = "gpio9";
+ function = "qup0_se2";
+ drive-strength = <2>;
+ bias-disable;
+ };
+
+ tx-pins {
+ pins = "gpio10";
+ function = "qup0_se2";
+ drive-strength = <2>;
+ bias-disable;
+ };
+
+ rx-pins {
+ pins = "gpio11";
+ function = "qup0_se2";
+ drive-strength = <2>;
+ bias-disable;
+ };
+ };
+
qup_uart21_default: qup-uart21-default-state {
- /* TX, RX */
- pins = "gpio86", "gpio87";
- function = "qup2_se5";
- drive-strength = <2>;
- bias-disable;
+ tx-pins {
+ pins = "gpio86";
+ function = "qup2_se5";
+ drive-strength = <2>;
+ bias-disable;
+ };
+
+ rx-pins {
+ pins = "gpio87";
+ function = "qup2_se5";
+ drive-strength = <2>;
+ bias-disable;
+ };
};
};
--
2.46.0
