[v1] Add APSS clock controller support for IPQ9574

[PATCH 1/6] dt-bindings: clock: Add YAML schemas for QCOM A73 PLL

Posted by devi priya 2 years, 8 months ago

Add schema for primary CPU PLL found on few Qualcomm platforms.

Co-developed-by: Praveenkumar I <quic_ipkumar@quicinc.com>
Signed-off-by: Praveenkumar I <quic_ipkumar@quicinc.com>
Signed-off-by: devi priya <quic_devipriy@quicinc.com>
---
 .../bindings/clock/qcom,a73pll.yaml           | 52 +++++++++++++++++++
 1 file changed, 52 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/clock/qcom,a73pll.yaml

diff --git a/Documentation/devicetree/bindings/clock/qcom,a73pll.yaml b/Documentation/devicetree/bindings/clock/qcom,a73pll.yaml
new file mode 100644
index 000000000000..a0e81094db8d
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/qcom,a73pll.yaml
@@ -0,0 +1,52 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/clock/qcom,a73pll.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm A73 PLL clock
+
+maintainers:
+  - Bjorn Andersson <andersson@kernel.org>
+
+description:
+  The A73 PLL on few Qualcomm platforms is the main CPU PLL used for
+  frequencies above 1GHz.
+
+properties:
+  compatible:
+    enum:
+      - qcom,ipq9574-a73pll
+
+  reg:
+    maxItems: 1
+
+  '#clock-cells':
+    const: 0
+
+  clocks:
+    items:
+      - description: board XO clock
+
+  clock-names:
+    items:
+      - const: xo
+
+  operating-points-v2: true
+
+required:
+  - compatible
+  - reg
+  - '#clock-cells'
+
+additionalProperties: false
+
+examples:
+  - |
+    a73pll: clock@b116000 {
+            compatible = "qcom,ipq9574-a73pll";
+            reg = <0x0b116000 0x40>;
+            #clock-cells = <0>;
+            clocks = <&xo_board_clk>;
+            clock-names = "xo";
+    };
-- 
2.17.1

Re: [PATCH 1/6] dt-bindings: clock: Add YAML schemas for QCOM A73 PLL

Posted by Konrad Dybcio 2 years, 8 months ago


On 13.01.2023 15:36, devi priya wrote:
> Add schema for primary CPU PLL found on few Qualcomm platforms.
> 
> Co-developed-by: Praveenkumar I <quic_ipkumar@quicinc.com>
> Signed-off-by: Praveenkumar I <quic_ipkumar@quicinc.com>
> Signed-off-by: devi priya <quic_devipriy@quicinc.com>
> ---
Doesn't this belong in Documentation/devicetree/bindings/clock/qcom,a53pll.yaml?

It looks identical, so it may be as simple as adding your
new compatible there..

Konrad
>  .../bindings/clock/qcom,a73pll.yaml           | 52 +++++++++++++++++++
>  1 file changed, 52 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/clock/qcom,a73pll.yaml
> 
> diff --git a/Documentation/devicetree/bindings/clock/qcom,a73pll.yaml b/Documentation/devicetree/bindings/clock/qcom,a73pll.yaml
> new file mode 100644
> index 000000000000..a0e81094db8d
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/clock/qcom,a73pll.yaml
> @@ -0,0 +1,52 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/clock/qcom,a73pll.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Qualcomm A73 PLL clock
> +
> +maintainers:
> +  - Bjorn Andersson <andersson@kernel.org>
> +
> +description:
> +  The A73 PLL on few Qualcomm platforms is the main CPU PLL used for
> +  frequencies above 1GHz.
> +
> +properties:
> +  compatible:
> +    enum:
> +      - qcom,ipq9574-a73pll
> +
> +  reg:
> +    maxItems: 1
> +
> +  '#clock-cells':
> +    const: 0
> +
> +  clocks:
> +    items:
> +      - description: board XO clock
> +
> +  clock-names:
> +    items:
> +      - const: xo
> +
> +  operating-points-v2: true
> +
> +required:
> +  - compatible
> +  - reg
> +  - '#clock-cells'
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    a73pll: clock@b116000 {
> +            compatible = "qcom,ipq9574-a73pll";
> +            reg = <0x0b116000 0x40>;
> +            #clock-cells = <0>;
> +            clocks = <&xo_board_clk>;
> +            clock-names = "xo";
> +    };

Re: [PATCH 1/6] dt-bindings: clock: Add YAML schemas for QCOM A73 PLL

Posted by Devi Priya 2 years, 7 months ago

Thanks for taking time to review the patch!

On 1/13/2023 8:35 PM, Konrad Dybcio wrote:
> 
> 
> On 13.01.2023 15:36, devi priya wrote:
>> Add schema for primary CPU PLL found on few Qualcomm platforms.
>>
>> Co-developed-by: Praveenkumar I <quic_ipkumar@quicinc.com>
>> Signed-off-by: Praveenkumar I <quic_ipkumar@quicinc.com>
>> Signed-off-by: devi priya <quic_devipriy@quicinc.com>
>> ---
> Doesn't this belong in Documentation/devicetree/bindings/clock/qcom,a53pll.yaml?
> 
> It looks identical, so it may be as simple as adding your
> new compatible there..
> 
As the name was specific to a53pll, added a new yaml for a73.
Will add the a73 compatible in qcom,a53pll.yaml if that's accepted!
> Konrad
>>   .../bindings/clock/qcom,a73pll.yaml           | 52 +++++++++++++++++++
>>   1 file changed, 52 insertions(+)
>>   create mode 100644 Documentation/devicetree/bindings/clock/qcom,a73pll.yaml
>>
>> diff --git a/Documentation/devicetree/bindings/clock/qcom,a73pll.yaml b/Documentation/devicetree/bindings/clock/qcom,a73pll.yaml
>> new file mode 100644
>> index 000000000000..a0e81094db8d
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/clock/qcom,a73pll.yaml
>> @@ -0,0 +1,52 @@
>> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
>> +%YAML 1.2
>> +---
>> +$id: http://devicetree.org/schemas/clock/qcom,a73pll.yaml#
>> +$schema: http://devicetree.org/meta-schemas/core.yaml#
>> +
>> +title: Qualcomm A73 PLL clock
>> +
>> +maintainers:
>> +  - Bjorn Andersson <andersson@kernel.org>
>> +
>> +description:
>> +  The A73 PLL on few Qualcomm platforms is the main CPU PLL used for
>> +  frequencies above 1GHz.
>> +
>> +properties:
>> +  compatible:
>> +    enum:
>> +      - qcom,ipq9574-a73pll
>> +
>> +  reg:
>> +    maxItems: 1
>> +
>> +  '#clock-cells':
>> +    const: 0
>> +
>> +  clocks:
>> +    items:
>> +      - description: board XO clock
>> +
>> +  clock-names:
>> +    items:
>> +      - const: xo
>> +
>> +  operating-points-v2: true
>> +
>> +required:
>> +  - compatible
>> +  - reg
>> +  - '#clock-cells'
>> +
>> +additionalProperties: false
>> +
>> +examples:
>> +  - |
>> +    a73pll: clock@b116000 {
>> +            compatible = "qcom,ipq9574-a73pll";
>> +            reg = <0x0b116000 0x40>;
>> +            #clock-cells = <0>;
>> +            clocks = <&xo_board_clk>;
>> +            clock-names = "xo";
>> +    };
Best Regards,
Devi Priya

Re: [PATCH 1/6] dt-bindings: clock: Add YAML schemas for QCOM A73 PLL

Posted by Krzysztof Kozlowski 2 years, 8 months ago

On 13/01/2023 15:36, devi priya wrote:
> Add schema for primary CPU PLL found on few Qualcomm platforms.

Subject: drop redundant "YAML schemas for"


> 
> Co-developed-by: Praveenkumar I <quic_ipkumar@quicinc.com>
> Signed-off-by: Praveenkumar I <quic_ipkumar@quicinc.com>
> Signed-off-by: devi priya <quic_devipriy@quicinc.com>
> ---
>  .../bindings/clock/qcom,a73pll.yaml           | 52 +++++++++++++++++++
>  1 file changed, 52 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/clock/qcom,a73pll.yaml
> 
> diff --git a/Documentation/devicetree/bindings/clock/qcom,a73pll.yaml b/Documentation/devicetree/bindings/clock/qcom,a73pll.yaml
> new file mode 100644
> index 000000000000..a0e81094db8d
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/clock/qcom,a73pll.yaml
> @@ -0,0 +1,52 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/clock/qcom,a73pll.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Qualcomm A73 PLL clock
> +
> +maintainers:
> +  - Bjorn Andersson <andersson@kernel.org>
> +
> +description:
> +  The A73 PLL on few Qualcomm platforms is the main CPU PLL used for
> +  frequencies above 1GHz.
> +
> +properties:
> +  compatible:
> +    enum:
> +      - qcom,ipq9574-a73pll
> +
> +  reg:
> +    maxItems: 1
> +
> +  '#clock-cells':
> +    const: 0
> +
> +  clocks:
> +    items:
> +      - description: board XO clock
> +
> +  clock-names:
> +    items:
> +      - const: xo
> +
> +  operating-points-v2: true

Drop. I'll fix the other bindings.

> +
> +required:
> +  - compatible
> +  - reg
> +  - '#clock-cells'
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    a73pll: clock@b116000 {
> +            compatible = "qcom,ipq9574-a73pll";

Use 4 spaces for example indentation.

> +            reg = <0x0b116000 0x40>;
> +            #clock-cells = <0>;
> +            clocks = <&xo_board_clk>;
> +            clock-names = "xo";
> +    };

Best regards,
Krzysztof

Re: [PATCH 1/6] dt-bindings: clock: Add YAML schemas for QCOM A73 PLL

Posted by Devi Priya 2 years, 7 months ago

Thanks for taking time to review the patch!

On 1/13/2023 8:27 PM, Krzysztof Kozlowski wrote:
> On 13/01/2023 15:36, devi priya wrote:
>> Add schema for primary CPU PLL found on few Qualcomm platforms.
> 
> Subject: drop redundant "YAML schemas for"
> 
Sure, okay
> 
>>
>> Co-developed-by: Praveenkumar I <quic_ipkumar@quicinc.com>
>> Signed-off-by: Praveenkumar I <quic_ipkumar@quicinc.com>
>> Signed-off-by: devi priya <quic_devipriy@quicinc.com>
>> ---
>>   .../bindings/clock/qcom,a73pll.yaml           | 52 +++++++++++++++++++
>>   1 file changed, 52 insertions(+)
>>   create mode 100644 Documentation/devicetree/bindings/clock/qcom,a73pll.yaml
>>
>> diff --git a/Documentation/devicetree/bindings/clock/qcom,a73pll.yaml b/Documentation/devicetree/bindings/clock/qcom,a73pll.yaml
>> new file mode 100644
>> index 000000000000..a0e81094db8d
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/clock/qcom,a73pll.yaml
>> @@ -0,0 +1,52 @@
>> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
>> +%YAML 1.2
>> +---
>> +$id: http://devicetree.org/schemas/clock/qcom,a73pll.yaml#
>> +$schema: http://devicetree.org/meta-schemas/core.yaml#
>> +
>> +title: Qualcomm A73 PLL clock
>> +
>> +maintainers:
>> +  - Bjorn Andersson <andersson@kernel.org>
>> +
>> +description:
>> +  The A73 PLL on few Qualcomm platforms is the main CPU PLL used for
>> +  frequencies above 1GHz.
>> +
>> +properties:
>> +  compatible:
>> +    enum:
>> +      - qcom,ipq9574-a73pll
>> +
>> +  reg:
>> +    maxItems: 1
>> +
>> +  '#clock-cells':
>> +    const: 0
>> +
>> +  clocks:
>> +    items:
>> +      - description: board XO clock
>> +
>> +  clock-names:
>> +    items:
>> +      - const: xo
>> +
>> +  operating-points-v2: true
> 
> Drop. I'll fix the other bindings.
> 
As suggested by konrad, will drop this file change and add the 
compatible in qcom,a53pll.yaml
>> +
>> +required:
>> +  - compatible
>> +  - reg
>> +  - '#clock-cells'
>> +
>> +additionalProperties: false
>> +
>> +examples:
>> +  - |
>> +    a73pll: clock@b116000 {
>> +            compatible = "qcom,ipq9574-a73pll";
> 
> Use 4 spaces for example indentation.
> 
>> +            reg = <0x0b116000 0x40>;
>> +            #clock-cells = <0>;
>> +            clocks = <&xo_board_clk>;
>> +            clock-names = "xo";
>> +    };
> 
> Best regards,
> Krzysztof
> 
Best Regards,
Devi Priya