diff mbox series

[v3,2/4] dt-bindings: clock: Add YAML schemas for LPASS clocks on SC7180

Message ID 1591809487-5588-3-git-send-email-tdas@codeaurora.org
State Accepted
Commit 381cc6f97cdaf15dabceb1b48fa82c9de0163e58
Headers show
Series clk: qcom: Support for Low Power Audio Clocks on SC7180 | expand

Commit Message

Taniya Das June 10, 2020, 5:18 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    | 98 ++++++++++++++++++++++
 include/dt-bindings/clock/qcom,gcc-sc7180.h        |  1 +
 .../dt-bindings/clock/qcom,lpasscorecc-sc7180.h    | 29 +++++++
 3 files changed, 128 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/clock/qcom,sc7180-lpasscorecc.yaml
 create mode 100644 include/dt-bindings/clock/qcom,lpasscorecc-sc7180.h

Comments

Taniya Das July 15, 2020, 6:36 a.m. UTC | #1
Hi Rob,

Thanks for the review.

On 6/18/2020 3:59 AM, Rob Herring wrote:
> On Wed, Jun 10, 2020 at 10:48:05PM +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    | 98 ++++++++++++++++++++++

>>   include/dt-bindings/clock/qcom,gcc-sc7180.h        |  1 +

>>   .../dt-bindings/clock/qcom,lpasscorecc-sc7180.h    | 29 +++++++

>>   3 files changed, 128 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..5af4048

>> --- /dev/null

>> +++ b/Documentation/devicetree/bindings/clock/qcom,sc7180-lpasscorecc.yaml

>> @@ -0,0 +1,98 @@

>> +# 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: iface

>> +

>> +  power-domains:

>> +    maxItems: 1

>> +

>> +  '#clock-cells':

>> +    const: 1

>> +

>> +  '#power-domain-cells':

>> +    const: 1

>> +

>> +  reg:

>> +    maxItems: 2

> 

> You need a 'minItems: 1' here instead.

> 


Will update in the next patch.

>> +    items:

>> +      - description: lpass core cc register

>> +      - description: lpass audio cc register

>> +

>> +  reg-names:

>> +    items:

>> +      - const: lpass_core_cc

>> +      - const: lpass_audio_cc

>> +

>> +if:

>> +  properties:

>> +    compatible:

>> +      contains:

>> +        const: qcom,sc7180-lpasshm

>> +then:

>> +  properties:

>> +    reg:

>> +      maxItems: 1

> 

> And need an:

> 

> else:

>    properties:

>      reg:

>        minItems: 2


Will take care of it.
> 

>> +

>> +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>;

> 

> Default sizes are 1 cell.


Yes, my bad, will correct in the next patch.
> 

>> +        clocks = <&gcc GCC_LPASS_CFG_NOC_SWAY_CLK>;

>> +        clock-names = "iface";

>> +        #clock-cells = <1>;

>> +        #power-domain-cells = <1>;

>> +    };

>> +

>> +  - |

>> +    clock-controller@62d00000 {

>> +        compatible = "qcom,sc7180-lpasscorecc";

>> +        reg = <0 0x62d00000 0 0x50000>,

>> +            <0 0x62780000 0 0x30000>;

>> +        reg-names = "lpass_core_cc", "lpass_audio_cc";

>> +        clocks = <&gcc GCC_LPASS_CFG_NOC_SWAY_CLK>;

>> +        clock-names = "iface";

>> +        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 992b67b..bdf43adc 100644

>> --- a/include/dt-bindings/clock/qcom,gcc-sc7180.h

>> +++ b/include/dt-bindings/clock/qcom,gcc-sc7180.h

>> @@ -138,6 +138,7 @@

>>   #define GCC_MSS_Q6_MEMNOC_AXI_CLK				128

>>   #define GCC_MSS_SNOC_AXI_CLK					129

>>   #define GCC_SEC_CTRL_CLK_SRC					130

>> +#define GCC_LPASS_CFG_NOC_SWAY_CLK				131

>>   

>>   /* 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..a55d01d

>> --- /dev/null

>> +++ b/include/dt-bindings/clock/qcom,lpasscorecc-sc7180.h

>> @@ -0,0 +1,29 @@

>> +/* 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 Core power domains */

>> +#define LPASS_CORE_HM_GDSCR				0

>> +

>> +/* LPASS Audio power domains */

>> +#define LPASS_AUDIO_HM_GDSCR				0

>> +#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.

>>


-- 
QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member
of 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..5af4048
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/qcom,sc7180-lpasscorecc.yaml
@@ -0,0 +1,98 @@ 
+# 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: iface
+
+  power-domains:
+    maxItems: 1
+
+  '#clock-cells':
+    const: 1
+
+  '#power-domain-cells':
+    const: 1
+
+  reg:
+    maxItems: 2
+    items:
+      - description: lpass core cc register
+      - description: lpass audio cc register
+
+  reg-names:
+    items:
+      - const: lpass_core_cc
+      - const: lpass_audio_cc
+
+if:
+  properties:
+    compatible:
+      contains:
+        const: qcom,sc7180-lpasshm
+then:
+  properties:
+    reg:
+      maxItems: 1
+
+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 = "iface";
+        #clock-cells = <1>;
+        #power-domain-cells = <1>;
+    };
+
+  - |
+    clock-controller@62d00000 {
+        compatible = "qcom,sc7180-lpasscorecc";
+        reg = <0 0x62d00000 0 0x50000>,
+            <0 0x62780000 0 0x30000>;
+        reg-names = "lpass_core_cc", "lpass_audio_cc";
+        clocks = <&gcc GCC_LPASS_CFG_NOC_SWAY_CLK>;
+        clock-names = "iface";
+        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 992b67b..bdf43adc 100644
--- a/include/dt-bindings/clock/qcom,gcc-sc7180.h
+++ b/include/dt-bindings/clock/qcom,gcc-sc7180.h
@@ -138,6 +138,7 @@ 
 #define GCC_MSS_Q6_MEMNOC_AXI_CLK				128
 #define GCC_MSS_SNOC_AXI_CLK					129
 #define GCC_SEC_CTRL_CLK_SRC					130
+#define GCC_LPASS_CFG_NOC_SWAY_CLK				131
 
 /* 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..a55d01d
--- /dev/null
+++ b/include/dt-bindings/clock/qcom,lpasscorecc-sc7180.h
@@ -0,0 +1,29 @@ 
+/* 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 Core power domains */
+#define LPASS_CORE_HM_GDSCR				0
+
+/* LPASS Audio power domains */
+#define LPASS_AUDIO_HM_GDSCR				0
+#define LPASS_PDC_HM_GDSCR				1
+
+#endif