diff mbox series

[v1,2/4] dt-bindings: clock: Add YAML schemas for LPASS clocks on SC7180

Message ID 1585338485-31820-3-git-send-email-tdas@codeaurora.org (mailing list archive)
State Superseded
Headers show
Series clk: qcom: Support for Low Power Audio Clocks on SC7180 | expand

Commit Message

Taniya Das March 27, 2020, 7:48 p.m. UTC
The LPASS(Low Power Audio Subsystem) clock provider have a bunch of generic
properties that are needed in a device tree. Also add clock ids for GCC
LPASS and LPASS Core clock IDs for LPASS client to request for the clocks.

Signed-off-by: Taniya Das <tdas@codeaurora.org>
---
 .../bindings/clock/qcom,sc7180-lpasscorecc.yaml    | 81 ++++++++++++++++++++++
 include/dt-bindings/clock/qcom,gcc-sc7180.h        |  1 +
 .../dt-bindings/clock/qcom,lpasscorecc-sc7180.h    | 28 ++++++++
 3 files changed, 110 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/clock/qcom,sc7180-lpasscorecc.yaml
 create mode 100644 include/dt-bindings/clock/qcom,lpasscorecc-sc7180.h

--
Qualcomm INDIA, on behalf of Qualcomm Innovation Center, Inc.is a member
of the Code Aurora Forum, hosted by the  Linux Foundation.

Comments

Rob Herring April 5, 2020, 2:09 a.m. UTC | #1
On Sat, Mar 28, 2020 at 01:18:03AM +0530, Taniya Das wrote:
> The LPASS(Low Power Audio Subsystem) clock provider have a bunch of generic
> properties that are needed in a device tree. Also add clock ids for GCC
> LPASS and LPASS Core clock IDs for LPASS client to request for the clocks.
> 
> Signed-off-by: Taniya Das <tdas@codeaurora.org>
> ---
>  .../bindings/clock/qcom,sc7180-lpasscorecc.yaml    | 81 ++++++++++++++++++++++
>  include/dt-bindings/clock/qcom,gcc-sc7180.h        |  1 +
>  .../dt-bindings/clock/qcom,lpasscorecc-sc7180.h    | 28 ++++++++
>  3 files changed, 110 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/clock/qcom,sc7180-lpasscorecc.yaml
>  create mode 100644 include/dt-bindings/clock/qcom,lpasscorecc-sc7180.h
> 
> diff --git a/Documentation/devicetree/bindings/clock/qcom,sc7180-lpasscorecc.yaml b/Documentation/devicetree/bindings/clock/qcom,sc7180-lpasscorecc.yaml
> new file mode 100644
> index 0000000..d040bd1
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/clock/qcom,sc7180-lpasscorecc.yaml
> @@ -0,0 +1,81 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/clock/qcom,sc7180-lpasscorecc.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Qualcomm LPASS Core Clock Controller Binding for SC7180
> +
> +maintainers:
> +  - Taniya Das <tdas@codeaurora.org>
> +
> +description: |
> +  Qualcomm LPASS core clock control module which supports the clocks and
> +  power domains on SC7180.
> +
> +  See also:
> +  - dt-bindings/clock/qcom,lpasscorecc-sc7180.h
> +
> +properties:
> +  compatible:
> +    enum:
> +      - qcom,sc7180-lpasshm
> +      - qcom,sc7180-lpasscorecc
> +
> +  clocks:
> +    items:
> +      - description: gcc_lpass_sway clock from GCC
> +
> +  clock-names:
> +    items:
> +      - const: gcc_lpass_sway
> +
> +  power-domains:
> +    items:
> +      - description: LPASS CORE HM GSDCR
> +
> +  '#clock-cells':
> +    const: 1
> +
> +  '#power-domain-cells':
> +    const: 1
> +
> +  reg:
> +    minItems: 1
> +    maxItems: 2

Need to define what each one is when there are 2.

> +
> +required:
> +  - compatible
> +  - reg
> +  - clocks
> +  - clock-names
> +  - '#clock-cells'
> +  - '#power-domain-cells'
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/clock/qcom,gcc-sc7180.h>
> +    #include <dt-bindings/clock/qcom,lpasscorecc-sc7180.h>
> +    clock-controller@63000000 {
> +      compatible = "qcom,sc7180-lpasshm";
> +        reg = <0 0x63000000 0 0x28>;
> +        clocks = <&gcc GCC_LPASS_CFG_NOC_SWAY_CLK>;
> +        clock-names = "gcc_lpass_sway";
> +        #clock-cells = <1>;
> +        #power-domain-cells = <1>;
> +    };
> +
> +  - |
> +    clock-controller@62d00000 {
> +        compatible = "qcom,sc7180-lpasscorecc";
> +        reg = <0 0x62d00000 0 0x50000>,
> +            <0 0x62780000 0 0x30000>;
> +        clocks = <&gcc GCC_LPASS_CFG_NOC_SWAY_CLK>;
> +        clock-names = "gcc_lpass_sway";
> +        power-domains = <&lpass_hm LPASS_CORE_HM_GDSCR>;
> +        #clock-cells = <1>;
> +        #power-domain-cells = <1>;
> +    };
> +...
> diff --git a/include/dt-bindings/clock/qcom,gcc-sc7180.h b/include/dt-bindings/clock/qcom,gcc-sc7180.h
> index 1258fd0..439476c 100644
> --- a/include/dt-bindings/clock/qcom,gcc-sc7180.h
> +++ b/include/dt-bindings/clock/qcom,gcc-sc7180.h
> @@ -137,6 +137,7 @@
>  #define GCC_MSS_NAV_AXI_CLK					127
>  #define GCC_MSS_Q6_MEMNOC_AXI_CLK				128
>  #define GCC_MSS_SNOC_AXI_CLK					129
> +#define GCC_LPASS_CFG_NOC_SWAY_CLK				130
> 
>  /* GCC resets */
>  #define GCC_QUSB2PHY_PRIM_BCR					0
> diff --git a/include/dt-bindings/clock/qcom,lpasscorecc-sc7180.h b/include/dt-bindings/clock/qcom,lpasscorecc-sc7180.h
> new file mode 100644
> index 0000000..9466d5e
> --- /dev/null
> +++ b/include/dt-bindings/clock/qcom,lpasscorecc-sc7180.h
> @@ -0,0 +1,28 @@
> +/* SPDX-License-Identifier: GPL-2.0-only */
> +/*
> + * Copyright (c) 2020, The Linux Foundation. All rights reserved.
> + */
> +
> +#ifndef _DT_BINDINGS_CLK_QCOM_LPASS_CORE_CC_SC7180_H
> +#define _DT_BINDINGS_CLK_QCOM_LPASS_CORE_CC_SC7180_H
> +
> +/* LPASS_CORE_CC clocks */
> +#define LPASS_LPAAUDIO_DIG_PLL				0
> +#define LPASS_LPAAUDIO_DIG_PLL_OUT_ODD			1
> +#define CORE_CLK_SRC					2
> +#define EXT_MCLK0_CLK_SRC				3
> +#define LPAIF_PRI_CLK_SRC				4
> +#define LPAIF_SEC_CLK_SRC				5
> +#define LPASS_AUDIO_CORE_CORE_CLK			6
> +#define LPASS_AUDIO_CORE_EXT_MCLK0_CLK			7
> +#define LPASS_AUDIO_CORE_LPAIF_PRI_IBIT_CLK		8
> +#define LPASS_AUDIO_CORE_LPAIF_SEC_IBIT_CLK		9
> +#define LPASS_AUDIO_CORE_SYSNOC_MPORT_CORE_CLK		10
> +
> +/* LPASS power domains */
> +#define LPASS_CORE_HM_GDSCR				0
> +
> +#define LPASS_AUDIO_HM_GDSCR				0

Kind of odd that 2 are the same value.

> +#define LPASS_PDC_HM_GDSCR				1
> +
> +#endif
> --
> Qualcomm INDIA, on behalf of Qualcomm Innovation Center, Inc.is a member
> of the Code Aurora Forum, hosted by the  Linux Foundation.
>
Taniya Das May 17, 2020, 9:20 a.m. UTC | #2
Hello Rob,

Thanks for the review.

On 4/5/2020 7:39 AM, Rob Herring wrote:

>> +
>> +  reg:
>> +    minItems: 1
>> +    maxItems: 2
> 
> Need to define what each one is when there are 2.
> 

Yes will define them in the next patch.

>> +
>> +required:
>> +  - compatible
>> +  - reg
>> +  - clocks
>> +  - clock-names
>> +  - '#clock-cells'
>> +  - '#power-domain-cells'
>> +
>> +additionalProperties: false
>> +
>> +examples:
>> +  - |
>> +    #include <dt-bindings/clock/qcom,gcc-sc7180.h>
>> +    #include <dt-bindings/clock/qcom,lpasscorecc-sc7180.h>
>> +    clock-controller@63000000 {
>> +      compatible = "qcom,sc7180-lpasshm";
>> +        reg = <0 0x63000000 0 0x28>;
>> +        clocks = <&gcc GCC_LPASS_CFG_NOC_SWAY_CLK>;
>> +        clock-names = "gcc_lpass_sway";
>> +        #clock-cells = <1>;
>> +        #power-domain-cells = <1>;
>> +    };
>> +
>> +  - |
>> +    clock-controller@62d00000 {
>> +        compatible = "qcom,sc7180-lpasscorecc";
>> +        reg = <0 0x62d00000 0 0x50000>,
>> +            <0 0x62780000 0 0x30000>;
>> +        clocks = <&gcc GCC_LPASS_CFG_NOC_SWAY_CLK>;
>> +        clock-names = "gcc_lpass_sway";
>> +        power-domains = <&lpass_hm LPASS_CORE_HM_GDSCR>;
>> +        #clock-cells = <1>;
>> +        #power-domain-cells = <1>;
>> +    };
>> +...


>   /* GCC resets */
>>   #define GCC_QUSB2PHY_PRIM_BCR					0
>> diff --git a/include/dt-bindings/clock/qcom,lpasscorecc-sc7180.h b/include/dt-bindings/clock/qcom,lpasscorecc-sc7180.h
>> new file mode 100644
>> index 0000000..9466d5e
>> --- /dev/null
>> +++ b/include/dt-bindings/clock/qcom,lpasscorecc-sc7180.h
>> @@ -0,0 +1,28 @@
>> +/* SPDX-License-Identifier: GPL-2.0-only */
>> +/*
>> + * Copyright (c) 2020, The Linux Foundation. All rights reserved.
>> + */
>> +
>> +#ifndef _DT_BINDINGS_CLK_QCOM_LPASS_CORE_CC_SC7180_H
>> +#define _DT_BINDINGS_CLK_QCOM_LPASS_CORE_CC_SC7180_H
>> +
>> +/* LPASS_CORE_CC clocks */
>> +#define LPASS_LPAAUDIO_DIG_PLL				0
>> +#define LPASS_LPAAUDIO_DIG_PLL_OUT_ODD			1
>> +#define CORE_CLK_SRC					2
>> +#define EXT_MCLK0_CLK_SRC				3
>> +#define LPAIF_PRI_CLK_SRC				4
>> +#define LPAIF_SEC_CLK_SRC				5
>> +#define LPASS_AUDIO_CORE_CORE_CLK			6
>> +#define LPASS_AUDIO_CORE_EXT_MCLK0_CLK			7
>> +#define LPASS_AUDIO_CORE_LPAIF_PRI_IBIT_CLK		8
>> +#define LPASS_AUDIO_CORE_LPAIF_SEC_IBIT_CLK		9
>> +#define LPASS_AUDIO_CORE_SYSNOC_MPORT_CORE_CLK		10
>> +
>> +/* LPASS power domains */
>> +#define LPASS_CORE_HM_GDSCR				0
>> +
>> +#define LPASS_AUDIO_HM_GDSCR				0
> 
> Kind of odd that 2 are the same value.
> 

These GDSCs are from two different domains. I will update the comments 
in the next patch.

>> +#define LPASS_PDC_HM_GDSCR				1
>> +
>> +#endif
>> --
>> Qualcomm INDIA, on behalf of Qualcomm Innovation Center, Inc.is a member
>> of the Code Aurora Forum, hosted by the  Linux Foundation.
>>
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/clock/qcom,sc7180-lpasscorecc.yaml b/Documentation/devicetree/bindings/clock/qcom,sc7180-lpasscorecc.yaml
new file mode 100644
index 0000000..d040bd1
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/qcom,sc7180-lpasscorecc.yaml
@@ -0,0 +1,81 @@ 
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/clock/qcom,sc7180-lpasscorecc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm LPASS Core Clock Controller Binding for SC7180
+
+maintainers:
+  - Taniya Das <tdas@codeaurora.org>
+
+description: |
+  Qualcomm LPASS core clock control module which supports the clocks and
+  power domains on SC7180.
+
+  See also:
+  - dt-bindings/clock/qcom,lpasscorecc-sc7180.h
+
+properties:
+  compatible:
+    enum:
+      - qcom,sc7180-lpasshm
+      - qcom,sc7180-lpasscorecc
+
+  clocks:
+    items:
+      - description: gcc_lpass_sway clock from GCC
+
+  clock-names:
+    items:
+      - const: gcc_lpass_sway
+
+  power-domains:
+    items:
+      - description: LPASS CORE HM GSDCR
+
+  '#clock-cells':
+    const: 1
+
+  '#power-domain-cells':
+    const: 1
+
+  reg:
+    minItems: 1
+    maxItems: 2
+
+required:
+  - compatible
+  - reg
+  - clocks
+  - clock-names
+  - '#clock-cells'
+  - '#power-domain-cells'
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/qcom,gcc-sc7180.h>
+    #include <dt-bindings/clock/qcom,lpasscorecc-sc7180.h>
+    clock-controller@63000000 {
+      compatible = "qcom,sc7180-lpasshm";
+        reg = <0 0x63000000 0 0x28>;
+        clocks = <&gcc GCC_LPASS_CFG_NOC_SWAY_CLK>;
+        clock-names = "gcc_lpass_sway";
+        #clock-cells = <1>;
+        #power-domain-cells = <1>;
+    };
+
+  - |
+    clock-controller@62d00000 {
+        compatible = "qcom,sc7180-lpasscorecc";
+        reg = <0 0x62d00000 0 0x50000>,
+            <0 0x62780000 0 0x30000>;
+        clocks = <&gcc GCC_LPASS_CFG_NOC_SWAY_CLK>;
+        clock-names = "gcc_lpass_sway";
+        power-domains = <&lpass_hm LPASS_CORE_HM_GDSCR>;
+        #clock-cells = <1>;
+        #power-domain-cells = <1>;
+    };
+...
diff --git a/include/dt-bindings/clock/qcom,gcc-sc7180.h b/include/dt-bindings/clock/qcom,gcc-sc7180.h
index 1258fd0..439476c 100644
--- a/include/dt-bindings/clock/qcom,gcc-sc7180.h
+++ b/include/dt-bindings/clock/qcom,gcc-sc7180.h
@@ -137,6 +137,7 @@ 
 #define GCC_MSS_NAV_AXI_CLK					127
 #define GCC_MSS_Q6_MEMNOC_AXI_CLK				128
 #define GCC_MSS_SNOC_AXI_CLK					129
+#define GCC_LPASS_CFG_NOC_SWAY_CLK				130

 /* GCC resets */
 #define GCC_QUSB2PHY_PRIM_BCR					0
diff --git a/include/dt-bindings/clock/qcom,lpasscorecc-sc7180.h b/include/dt-bindings/clock/qcom,lpasscorecc-sc7180.h
new file mode 100644
index 0000000..9466d5e
--- /dev/null
+++ b/include/dt-bindings/clock/qcom,lpasscorecc-sc7180.h
@@ -0,0 +1,28 @@ 
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2020, The Linux Foundation. All rights reserved.
+ */
+
+#ifndef _DT_BINDINGS_CLK_QCOM_LPASS_CORE_CC_SC7180_H
+#define _DT_BINDINGS_CLK_QCOM_LPASS_CORE_CC_SC7180_H
+
+/* LPASS_CORE_CC clocks */
+#define LPASS_LPAAUDIO_DIG_PLL				0
+#define LPASS_LPAAUDIO_DIG_PLL_OUT_ODD			1
+#define CORE_CLK_SRC					2
+#define EXT_MCLK0_CLK_SRC				3
+#define LPAIF_PRI_CLK_SRC				4
+#define LPAIF_SEC_CLK_SRC				5
+#define LPASS_AUDIO_CORE_CORE_CLK			6
+#define LPASS_AUDIO_CORE_EXT_MCLK0_CLK			7
+#define LPASS_AUDIO_CORE_LPAIF_PRI_IBIT_CLK		8
+#define LPASS_AUDIO_CORE_LPAIF_SEC_IBIT_CLK		9
+#define LPASS_AUDIO_CORE_SYSNOC_MPORT_CORE_CLK		10
+
+/* LPASS power domains */
+#define LPASS_CORE_HM_GDSCR				0
+
+#define LPASS_AUDIO_HM_GDSCR				0
+#define LPASS_PDC_HM_GDSCR				1
+
+#endif