[PATCH v2 3/3] arm64: dts: sdm845: Add serial console support

From: Rajendra Nayak
Date: Wed Jan 31 2018 - 11:22:10 EST


Add the qup uart node and geni se instance needed to
support the serial console on the MTP.

Signed-off-by: Rajendra Nayak <rnayak@xxxxxxxxxxxxxx>
---
arch/arm64/boot/dts/qcom/sdm845-mtp.dts | 42 +++++++++++++++++++++++++++++++++
arch/arm64/boot/dts/qcom/sdm845.dtsi | 21 +++++++++++++++++
2 files changed, 63 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sdm845-mtp.dts b/arch/arm64/boot/dts/qcom/sdm845-mtp.dts
index 617c7bb25fb1..42fbf2ab9a2d 100644
--- a/arch/arm64/boot/dts/qcom/sdm845-mtp.dts
+++ b/arch/arm64/boot/dts/qcom/sdm845-mtp.dts
@@ -10,4 +10,46 @@
/ {
model = "Qualcomm Technologies, Inc. SDM845 MTP";
compatible = "qcom,sdm845-mtp";
+
+ aliases {
+ serial0 = &qup_uart2;
+ };
+
+ chosen {
+ stdout-path = "serial0";
+ };
+
+ soc {
+ serial@a84000 {
+ status = "okay";
+ };
+
+ pinctrl@3400000 {
+ qup_uart2_default: qup_uart2_default {
+ pinmux {
+ function = "qup9";
+ pins = "gpio4", "gpio5";
+ };
+
+ pinconf {
+ pins = "gpio4", "gpio5";
+ drive-strength = <2>;
+ bias-disable;
+ };
+ };
+
+ qup_uart2_sleep: qup_uart2_sleep {
+ pinmux {
+ function = "gpio";
+ pins = "gpio4", "gpio5";
+ };
+
+ pinconf {
+ pins = "gpio4", "gpio5";
+ drive-strength = <2>;
+ bias-disable;
+ };
+ };
+ };
+ };
};
diff --git a/arch/arm64/boot/dts/qcom/sdm845.dtsi b/arch/arm64/boot/dts/qcom/sdm845.dtsi
index 02520f19e4ca..c4ce70840acf 100644
--- a/arch/arm64/boot/dts/qcom/sdm845.dtsi
+++ b/arch/arm64/boot/dts/qcom/sdm845.dtsi
@@ -4,6 +4,7 @@
*/

#include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/clock/qcom,gcc-sdm845.h>

/ {
model = "Qualcomm Technologies, Inc. SDM845";
@@ -273,5 +274,25 @@
cell-index = <0>;
};

+ qup_1: qcom,geni_se@ac0000 {
+ compatible = "qcom,geni-se-qup";
+ reg = <0xac0000 0x6000>;
+ };
+
+ qup_uart2: serial@a84000 {
+ compatible = "qcom,geni-console", "qcom,geni-uart";
+ reg = <0xa84000 0x4000>;
+ reg-names = "se_phys";
+ clock-names = "se-clk", "m-ahb", "s-ahb";
+ clocks = <&gcc GCC_QUPV3_WRAP1_S1_CLK>,
+ <&gcc GCC_QUPV3_WRAP_1_M_AHB_CLK>,
+ <&gcc GCC_QUPV3_WRAP_1_S_AHB_CLK>;
+ pinctrl-names = "default", "sleep";
+ pinctrl-0 = <&qup_uart2_default>;
+ pinctrl-1 = <&qup_uart2_sleep>;
+ interrupts = <GIC_SPI 354 IRQ_TYPE_NONE>;
+ qcom,wrapper-core = <&qup_1>;
+ status = "disabled";
+ };
};
};
--
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