[PATCH V15 4/4] arm64: dts: qcom: ipq6018: add pwm node

[Devi Priya]

Describe the PWM block on IPQ6018.

The PWM is in the TCSR area. Make &tcsr "simple-mfd" compatible, and add
&pwm as child of &tcsr.

Add also ipq6018 specific compatible string.

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
Co-developed-by: Baruch Siach <baruch.siach@xxxxxxxxx>
Signed-off-by: Baruch Siach <baruch.siach@xxxxxxxxx>
Signed-off-by: Devi Priya <quic_devipriy@xxxxxxxxxxx>
---
v15:

  Fixed the indentation of pwm node

v14:

  Moved ranges just after reg as suggested by Krzysztof

  Picked up the R-b tag

v13:

  No change

v12: 

  No change

v11:

  No change

v10:

  No change

v9:

  Add 'ranges' property (Rob)

v8:

  Add size cell to 'reg' (Rob)

v7:

  Use 'reg' instead of 'offset' (Rob)

  Add qcom,tcsr-ipq6018 (Rob)

  Drop clock-names (Bjorn)

v6:

  Make the PWM node child of TCSR (Rob Herring)

  Add assigned-clocks/assigned-clock-rates (Uwe Kleine-König)

v5: Use qcom,pwm-regs for TCSR phandle instead of direct regs

v3: s/qcom,pwm-ipq6018/qcom,ipq6018-pwm/ (Rob Herring)

 arch/arm64/boot/dts/qcom/ipq6018.dtsi | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/qcom/ipq6018.dtsi b/arch/arm64/boot/dts/qcom/ipq6018.dtsi
index e59b9df96c7e..18f9fffba08b 100644
--- a/arch/arm64/boot/dts/qcom/ipq6018.dtsi
+++ b/arch/arm64/boot/dts/qcom/ipq6018.dtsi
@@ -390,8 +390,21 @@ tcsr_mutex: hwlock@1905000 {
 		};
 
 		tcsr: syscon@1937000 {
-			compatible = "qcom,tcsr-ipq6018", "syscon";
+			compatible = "qcom,tcsr-ipq6018", "syscon", "simple-mfd";
 			reg = <0x0 0x01937000 0x0 0x21000>;
+			ranges = <0x0 0x0 0x01937000 0x21000>;
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			pwm: pwm@a010 {
+				compatible = "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";
+			};
 		};
 
 		usb2: usb@70f8800 {
-- 
2.34.1