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.

Co-developed-by: Baruch Siach <baruch.siach@siklu.com>
Signed-off-by: Baruch Siach <baruch.siach@siklu.com>
Signed-off-by: Devi Priya <quic_devipriy@quicinc.com>
---
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..429ad7cb681c 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>;
+			#address-cells = <1>;
+			#size-cells = <1>;
+			ranges = <0x0 0x0 0x01937000 0x21000>;
+
+			 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

On 04/10/2023 11:04, Devi Priya wrote:
> 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.
> 

...

> 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..429ad7cb681c 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>;
> +			#address-cells = <1>;
> +			#size-cells = <1>;
> +			ranges = <0x0 0x0 0x01937000 0x21000>;

Please put ranges just after reg.

With that:

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>

Best regards,
Krzysztof

On 10/4/2023 3:13 PM, Krzysztof Kozlowski wrote:
> On 04/10/2023 11:04, Devi Priya wrote:
>> 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.
>>
> 
> ...
> 
>> 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..429ad7cb681c 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>;
>> +			#address-cells = <1>;
>> +			#size-cells = <1>;
>> +			ranges = <0x0 0x0 0x01937000 0x21000>;
> 
> Please put ranges just after reg.
Sure, okay
> 
> With that:
> 
> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Thank you!

Regards,
Devi Priya
> 
> Best regards,
> Krzysztof
>