diff mbox series

[v2,1/6] dt-bindings: clock: Add YAML schemas for LPASSCC and reset on SC8280XP

Message ID 20230525122930.17141-2-srinivas.kandagatla@linaro.org (mailing list archive)
State Superseded
Headers show
Series clk: qcom: sc8280xp: add lpasscc reset control | expand

Commit Message

Srinivas Kandagatla May 25, 2023, 12:29 p.m. UTC 
The LPASS (Low Power Audio Subsystem) clock controller provides reset
support when it is under the control of Q6DSP.

Add support for those resets and adds IDs for clients to request the reset.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
---
 .../bindings/clock/qcom,sc8280xp-lpasscc.yaml | 57 +++++++++++++++++++
 .../dt-bindings/clock/qcom,lpasscc-sc8280xp.h | 12 ++++
 2 files changed, 69 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/clock/qcom,sc8280xp-lpasscc.yaml
 create mode 100644 include/dt-bindings/clock/qcom,lpasscc-sc8280xp.h

Comments

Johan Hovold May 26, 2023, 12:04 p.m. UTC | #1 
On Thu, May 25, 2023 at 01:29:25PM +0100, Srinivas Kandagatla wrote:
> The LPASS (Low Power Audio Subsystem) clock controller provides reset
> support when it is under the control of Q6DSP.
> 
> Add support for those resets and adds IDs for clients to request the reset.
> 
> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
> ---
>  .../bindings/clock/qcom,sc8280xp-lpasscc.yaml | 57 +++++++++++++++++++
>  .../dt-bindings/clock/qcom,lpasscc-sc8280xp.h | 12 ++++
>  2 files changed, 69 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/clock/qcom,sc8280xp-lpasscc.yaml
>  create mode 100644 include/dt-bindings/clock/qcom,lpasscc-sc8280xp.h
> 
> diff --git a/Documentation/devicetree/bindings/clock/qcom,sc8280xp-lpasscc.yaml b/Documentation/devicetree/bindings/clock/qcom,sc8280xp-lpasscc.yaml
> new file mode 100644
> index 000000000000..08a9ae60a365
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/clock/qcom,sc8280xp-lpasscc.yaml
> @@ -0,0 +1,57 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/clock/qcom,sc8280xp-lpasscc.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Qualcomm LPASS Core & Audio Clock Controller on SC8280XP
> +
> +maintainers:
> +  - Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
> +
> +description: |
> +  Qualcomm LPASS core and audio clock control module provides the clocks,
> +  and reset on SC8280XP.
> +
> +  See also::
> +    include/dt-bindings/clock/qcom,lpasscc-sc8280xp.h
> +
> +properties:
> +  reg: true
> +
> +  compatible:
> +    enum:
> +      - qcom,sc8280xp-lpasscc
> +
> +  qcom,adsp-pil-mode:
> +    description:
> +      Indicates if the LPASS would be brought out of reset using
> +      peripheral loader.
> +    type: boolean
> +
> +  '#clock-cells':
> +    const: 1
> +
> +  '#reset-cells':
> +    const: 1
> +
> +required:
> +  - compatible
> +  - reg
> +  - qcom,adsp-pil-mode
> +  - '#reset-cells'
> +  - '#clock-cells'

Nit: #clock before #reset

> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/clock/qcom,lpasscc-sc8280xp.h>
> +    lpasscc: clock-controller@33e0000 {
> +        compatible = "qcom,sc8280xp-lpasscc";
> +        reg = <0x033e0000 0x12000>;
> +        qcom,adsp-pil-mode;
> +        #reset-cells = <1>;
> +        #clock-cells = <1>;

Nit: #clock before #reset

> +    };
> +...
> diff --git a/include/dt-bindings/clock/qcom,lpasscc-sc8280xp.h b/include/dt-bindings/clock/qcom,lpasscc-sc8280xp.h
> new file mode 100644
> index 000000000000..df800ea2741c
> --- /dev/null
> +++ b/include/dt-bindings/clock/qcom,lpasscc-sc8280xp.h
> @@ -0,0 +1,12 @@
> +/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
> +/*
> + * Copyright (c) 2023, Linaro Ltd.
> + */
> +
> +#ifndef _DT_BINDINGS_CLK_QCOM_LPASSCC_SC8280XP_H
> +#define _DT_BINDINGS_CLK_QCOM_LPASSCC_SC8280XP_H
> +
> +/* LPASS TCSR */
> +#define LPASS_AUDIO_SWR_TX_CGCR				0
> +
> +#endif

Reviewed-by: Johan Hovold <johan+linaro@kernel.org>

Johan
Krzysztof Kozlowski June 2, 2023, 1:17 p.m. UTC | #2 
Resending as my previous email probably got lost. If you got it twice,
apologies.

On 25/05/2023 14:29, Srinivas Kandagatla wrote:
> The LPASS (Low Power Audio Subsystem) clock controller provides reset
> support when it is under the control of Q6DSP.
> 

Thank you for your patch. There is something to discuss/improve.


> Add support for those resets and adds IDs for clients to request the reset.
> 
> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
> ---
>  .../bindings/clock/qcom,sc8280xp-lpasscc.yaml | 57 +++++++++++++++++++
>  .../dt-bindings/clock/qcom,lpasscc-sc8280xp.h | 12 ++++
>  2 files changed, 69 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/clock/qcom,sc8280xp-lpasscc.yaml
>  create mode 100644 include/dt-bindings/clock/qcom,lpasscc-sc8280xp.h
> 
> diff --git a/Documentation/devicetree/bindings/clock/qcom,sc8280xp-lpasscc.yaml b/Documentation/devicetree/bindings/clock/qcom,sc8280xp-lpasscc.yaml
> new file mode 100644
> index 000000000000..08a9ae60a365
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/clock/qcom,sc8280xp-lpasscc.yaml
> @@ -0,0 +1,57 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/clock/qcom,sc8280xp-lpasscc.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Qualcomm LPASS Core & Audio Clock Controller on SC8280XP
> +
> +maintainers:
> +  - Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
> +
> +description: |
> +  Qualcomm LPASS core and audio clock control module provides the clocks,
> +  and reset on SC8280XP.
> +
> +  See also::
> +    include/dt-bindings/clock/qcom,lpasscc-sc8280xp.h
> +
> +properties:
> +  reg: true

maxItems: 1

> +
> +  compatible:

compatible is first in the list

> +    enum:
> +      - qcom,sc8280xp-lpasscc
> +
> +  qcom,adsp-pil-mode:
> +    description:
> +      Indicates if the LPASS would be brought out of reset using
> +      peripheral loader.
> +    type: boolean
> +
> +  '#clock-cells':
> +    const: 1
> +
> +  '#reset-cells':
> +    const: 1
> +
> +required:
> +  - compatible
> +  - reg
> +  - qcom,adsp-pil-mode
> +  - '#reset-cells'
> +  - '#clock-cells'

Keep the same order as in list of properties.

> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/clock/qcom,lpasscc-sc8280xp.h>
> +    lpasscc: clock-controller@33e0000 {
> +        compatible = "qcom,sc8280xp-lpasscc";
> +        reg = <0x033e0000 0x12000>;
> +        qcom,adsp-pil-mode;
> +        #reset-cells = <1>;
> +        #clock-cells = <1>;
> +    };
> +...
> diff --git a/include/dt-bindings/clock/qcom,lpasscc-sc8280xp.h b/include/dt-bindings/clock/qcom,lpasscc-sc8280xp.h
> new file mode 100644
> index 000000000000..df800ea2741c
> --- /dev/null
> +++ b/include/dt-bindings/clock/qcom,lpasscc-sc8280xp.h

Filename matching compatible and bindings, so qcom,sc8280xp-lpasscc.h

> @@ -0,0 +1,12 @@
> +/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
> +/*
> + * Copyright (c) 2023, Linaro Ltd.
> + */
Best regards,
Krzysztof
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/clock/qcom,sc8280xp-lpasscc.yaml b/Documentation/devicetree/bindings/clock/qcom,sc8280xp-lpasscc.yaml
new file mode 100644
index 000000000000..08a9ae60a365
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/qcom,sc8280xp-lpasscc.yaml
@@ -0,0 +1,57 @@ 
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/clock/qcom,sc8280xp-lpasscc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm LPASS Core & Audio Clock Controller on SC8280XP
+
+maintainers:
+  - Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
+
+description: |
+  Qualcomm LPASS core and audio clock control module provides the clocks,
+  and reset on SC8280XP.
+
+  See also::
+    include/dt-bindings/clock/qcom,lpasscc-sc8280xp.h
+
+properties:
+  reg: true
+
+  compatible:
+    enum:
+      - qcom,sc8280xp-lpasscc
+
+  qcom,adsp-pil-mode:
+    description:
+      Indicates if the LPASS would be brought out of reset using
+      peripheral loader.
+    type: boolean
+
+  '#clock-cells':
+    const: 1
+
+  '#reset-cells':
+    const: 1
+
+required:
+  - compatible
+  - reg
+  - qcom,adsp-pil-mode
+  - '#reset-cells'
+  - '#clock-cells'
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/qcom,lpasscc-sc8280xp.h>
+    lpasscc: clock-controller@33e0000 {
+        compatible = "qcom,sc8280xp-lpasscc";
+        reg = <0x033e0000 0x12000>;
+        qcom,adsp-pil-mode;
+        #reset-cells = <1>;
+        #clock-cells = <1>;
+    };
+...
diff --git a/include/dt-bindings/clock/qcom,lpasscc-sc8280xp.h b/include/dt-bindings/clock/qcom,lpasscc-sc8280xp.h
new file mode 100644
index 000000000000..df800ea2741c
--- /dev/null
+++ b/include/dt-bindings/clock/qcom,lpasscc-sc8280xp.h
@@ -0,0 +1,12 @@ 
+/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
+/*
+ * Copyright (c) 2023, Linaro Ltd.
+ */
+
+#ifndef _DT_BINDINGS_CLK_QCOM_LPASSCC_SC8280XP_H
+#define _DT_BINDINGS_CLK_QCOM_LPASSCC_SC8280XP_H
+
+/* LPASS TCSR */
+#define LPASS_AUDIO_SWR_TX_CGCR				0
+
+#endif