[PATCH 3/4] arm64: dts: qcom: ipq9574: Add pwm support

Devi Priya
2023-10-06T04:54:08Z

The PWM is in the TCSR area. Make tcsr "simple-mfd" compatible
and add pwm as a child of tcsr.
Also, Enable pwm support in RDP418 of IPQ9574 SoC.

Signed-off-by: Devi Priya <quic_devipriy@quicinc.com>
---
arch/arm64/boot/dts/qcom/ipq9574-rdp418.dts | 12 ++++++++++++
arch/arm64/boot/dts/qcom/ipq9574.dtsi | 15 ++++++++++++++-
2 files changed, 26 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/qcom/ipq9574-rdp418.dts b/arch/arm64/boot/dts/qcom/ipq9574-rdp418.dts
index 2b093e02637b..d275c98b4df7 100644
--- a/arch/arm64/boot/dts/qcom/ipq9574-rdp418.dts
+++ b/arch/arm64/boot/dts/qcom/ipq9574-rdp418.dts
@@ -43,6 +43,12 @@ &blsp1_uart2 {
status = "okay";
};

+&pwm {
+ pinctrl-0 = <&pwm_pins>;
+ pinctrl-names = "default";
+ status = "okay";
+};
+
&rpm_requests {
regulators {
compatible = "qcom,rpm-mp5496-regulators";
@@ -79,6 +85,12 @@ &sleep_clk {
};

&tlmm {
+ pwm_pins: pwm-state {
+ pins = "gpio57";
+ function = "pwm";
+ drive-strength = <8>;
+ };
+
sdc_default_state: sdc-default-state {
clk-pins {
pins = "gpio5";
diff --git a/arch/arm64/boot/dts/qcom/ipq9574.dtsi b/arch/arm64/boot/dts/qcom/ipq9574.dtsi
index 8a72ad4afd03..5465254fbdde 100644
--- a/arch/arm64/boot/dts/qcom/ipq9574.dtsi
+++ b/arch/arm64/boot/dts/qcom/ipq9574.dtsi
@@ -296,8 +296,21 @@ tcsr_mutex: hwlock@1905000 {
};

tcsr: syscon@1937000 {
- compatible = "qcom,tcsr-ipq9574", "syscon";
+ compatible = "qcom,tcsr-ipq9574", "syscon", "simple-mfd";
reg = <0x01937000 0x21000>;
+ ranges = <0x0 0x01937000 0x21000>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ pwm: pwm@a010 {
+ compatible = "qcom,ipq9574-pwm", "qcom,ipq6018-pwm";
+ reg = <0xa010 0x20>;
+ clocks = <&gcc GCC_ADSS_PWM_CLK>;
+ assigned-clocks = <&gcc GCC_ADSS_PWM_CLK>;
+ assigned-clock-rates = <100000000>;
+ #pwm-cells = <2>;
+ status = "disabled";
+ };
};

sdhc_1: mmc@7804000 {
--
2.34.1