[PATCH v1 0/3] Add support for RPMHCC for SC7180

[PATCH v1 0/3] Add support for RPMHCC for SC7180

[Taniya Das]

Update the Documentation binding of RPMHCC to YAML schemas.
Add RPMH clocks required to be supported on SC7180.

Taniya Das (3):
  dt-bindings: clock: Add YAML schemas for the QCOM RPMHCC clock
    bindings
  dt-bindings: clock: Introduce RPMHCC bindings for SC7180
  clk: qcom: clk-rpmh: Add support for RPMHCC for SC7180

 .../devicetree/bindings/clock/qcom,rpmh-clk.txt    | 27 ------------
 .../devicetree/bindings/clock/qcom,rpmhcc.yaml     | 50 ++++++++++++++++++++
 drivers/clk/qcom/clk-rpmh.c                        | 19 ++++++++
 3 files changed, 69 insertions(+), 27 deletions(-)
 delete mode 100644 Documentation/devicetree/bindings/clock/qcom,rpmh-clk.txt
 create mode 100644 Documentation/devicetree/bindings/clock/qcom,rpmhcc.yaml

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

[PATCH v1 1/3] dt-bindings: clock: Add YAML schemas for the QCOM RPMHCC clock bindings

[Taniya Das]

The RPMHCC clock provider have a bunch of generic properties that
are needed in a device tree. Add a YAML schemas for those.

Signed-off-by: Taniya Das <tdas@codeaurora.org>
---
 .../devicetree/bindings/clock/qcom,rpmh-clk.txt    | 27 ------------
 .../devicetree/bindings/clock/qcom,rpmhcc.yaml     | 49 ++++++++++++++++++++++
 2 files changed, 49 insertions(+), 27 deletions(-)
 delete mode 100644 Documentation/devicetree/bindings/clock/qcom,rpmh-clk.txt
 create mode 100644 Documentation/devicetree/bindings/clock/qcom,rpmhcc.yaml

diff --git a/Documentation/devicetree/bindings/clock/qcom,rpmh-clk.txt b/Documentation/devicetree/bindings/clock/qcom,rpmh-clk.txt
deleted file mode 100644
index 365bbde..0000000
--- a/Documentation/devicetree/bindings/clock/qcom,rpmh-clk.txt
+++ /dev/null
@@ -1,27 +0,0 @@
-Qualcomm Technologies, Inc. RPMh Clocks
--------------------------------------------------------
-
-Resource Power Manager Hardened (RPMh) manages shared resources on
-some Qualcomm Technologies Inc. SoCs. It accepts clock requests from
-other hardware subsystems via RSC to control clocks.
-
-Required properties :
-- compatible : must be one of:
-	       "qcom,sdm845-rpmh-clk"
-	       "qcom,sm8150-rpmh-clk"
-
-- #clock-cells : must contain 1
-- clocks: a list of phandles and clock-specifier pairs,
-	  one for each entry in clock-names.
-- clock-names: Parent board clock: "xo".
-
-Example :
-
-#include <dt-bindings/clock/qcom,rpmh.h>
-
-	&apps_rsc {
-		rpmhcc: clock-controller {
-			compatible = "qcom,sdm845-rpmh-clk";
-			#clock-cells = <1>;
-		};
-	};
diff --git a/Documentation/devicetree/bindings/clock/qcom,rpmhcc.yaml b/Documentation/devicetree/bindings/clock/qcom,rpmhcc.yaml
new file mode 100644
index 0000000..326bfd7
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/qcom,rpmhcc.yaml
@@ -0,0 +1,49 @@
+# SPDX-License-Identifier: GPL-2.0-only
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/bindings/clock/qcom,rpmhcc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm Technologies, Inc. RPMh Clocks Bindings
+
+maintainers:
+  - Taniya Das <tdas@codeaurora.org>
+
+description: |
+  Resource Power Manager Hardened (RPMh) manages shared resources on
+  some Qualcomm Technologies Inc. SoCs. It accepts clock requests from
+  other hardware subsystems via RSC to control clocks.
+
+properties:
+  compatible :
+    enum:
+       - qcom,sdm845-rpmh-clk
+       - qcom,sm8150-rpmh-clk
+
+  clocks:
+    maxItems: 1
+
+  clock-names:
+    maxItems: 1
+    items:
+      - const: xo
+
+  '#clock-cells':
+      const: 1
+
+required:
+  - compatible
+  - '#clock-cells'
+
+examples:
+  # Example for GCC for SDM845: The below node should be defined inside
+  # &apps_rsc node.
+  - |
+    #include <dt-bindings/clock/qcom,rpmh.h>
+    rpmhcc: clock-controller {
+      compatible = "qcom,sdm845-rpmh-clk";
+      clocks = <&xo_board>;
+      clock-names = "xo";
+      #clock-cells = <1>;
+    };
+...
--
Qualcomm INDIA, on behalf of Qualcomm Innovation Center, Inc.is a member
of the Code Aurora Forum, hosted by the  Linux Foundation.

Re: [PATCH v1 1/3] dt-bindings: clock: Add YAML schemas for the QCOM RPMHCC clock bindings

[Rob Herring]

On Fri, Oct 18, 2019 at 03:39:22PM +0530, Taniya Das wrote:
> The RPMHCC clock provider have a bunch of generic properties that
> are needed in a device tree. Add a YAML schemas for those.
> 
> Signed-off-by: Taniya Das <tdas@codeaurora.org>
> ---
>  .../devicetree/bindings/clock/qcom,rpmh-clk.txt    | 27 ------------
>  .../devicetree/bindings/clock/qcom,rpmhcc.yaml     | 49 ++++++++++++++++++++++
>  2 files changed, 49 insertions(+), 27 deletions(-)
>  delete mode 100644 Documentation/devicetree/bindings/clock/qcom,rpmh-clk.txt
>  create mode 100644 Documentation/devicetree/bindings/clock/qcom,rpmhcc.yaml
> 
> diff --git a/Documentation/devicetree/bindings/clock/qcom,rpmh-clk.txt b/Documentation/devicetree/bindings/clock/qcom,rpmh-clk.txt
> deleted file mode 100644
> index 365bbde..0000000
> --- a/Documentation/devicetree/bindings/clock/qcom,rpmh-clk.txt
> +++ /dev/null
> @@ -1,27 +0,0 @@
> -Qualcomm Technologies, Inc. RPMh Clocks
> --------------------------------------------------------
> -
> -Resource Power Manager Hardened (RPMh) manages shared resources on
> -some Qualcomm Technologies Inc. SoCs. It accepts clock requests from
> -other hardware subsystems via RSC to control clocks.
> -
> -Required properties :
> -- compatible : must be one of:
> -	       "qcom,sdm845-rpmh-clk"
> -	       "qcom,sm8150-rpmh-clk"
> -
> -- #clock-cells : must contain 1
> -- clocks: a list of phandles and clock-specifier pairs,
> -	  one for each entry in clock-names.
> -- clock-names: Parent board clock: "xo".
> -
> -Example :
> -
> -#include <dt-bindings/clock/qcom,rpmh.h>
> -
> -	&apps_rsc {
> -		rpmhcc: clock-controller {
> -			compatible = "qcom,sdm845-rpmh-clk";
> -			#clock-cells = <1>;
> -		};
> -	};
> diff --git a/Documentation/devicetree/bindings/clock/qcom,rpmhcc.yaml b/Documentation/devicetree/bindings/clock/qcom,rpmhcc.yaml
> new file mode 100644
> index 0000000..326bfd7
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/clock/qcom,rpmhcc.yaml
> @@ -0,0 +1,49 @@
> +# SPDX-License-Identifier: GPL-2.0-only
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/bindings/clock/qcom,rpmhcc.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Qualcomm Technologies, Inc. RPMh Clocks Bindings
> +
> +maintainers:
> +  - Taniya Das <tdas@codeaurora.org>
> +
> +description: |
> +  Resource Power Manager Hardened (RPMh) manages shared resources on
> +  some Qualcomm Technologies Inc. SoCs. It accepts clock requests from
> +  other hardware subsystems via RSC to control clocks.
> +
> +properties:
> +  compatible :

drop space     ^

> +    enum:
> +       - qcom,sdm845-rpmh-clk
> +       - qcom,sm8150-rpmh-clk

Wrong indent (1 char too many).

> +
> +  clocks:
> +    maxItems: 1
> +
> +  clock-names:
> +    maxItems: 1

Can drop this. Implied by items list.

> +    items:
> +      - const: xo
> +
> +  '#clock-cells':
> +      const: 1
> +
> +required:
> +  - compatible
> +  - '#clock-cells'
> +
> +examples:
> +  # Example for GCC for SDM845: The below node should be defined inside
> +  # &apps_rsc node.
> +  - |
> +    #include <dt-bindings/clock/qcom,rpmh.h>
> +    rpmhcc: clock-controller {
> +      compatible = "qcom,sdm845-rpmh-clk";
> +      clocks = <&xo_board>;
> +      clock-names = "xo";
> +      #clock-cells = <1>;
> +    };
> +...
> --
> Qualcomm INDIA, on behalf of Qualcomm Innovation Center, Inc.is a member
> of the Code Aurora Forum, hosted by the  Linux Foundation.
> 

Re: [PATCH v1 1/3] dt-bindings: clock: Add YAML schemas for the QCOM RPMHCC clock bindings

[Taniya Das]

Hello Rob,

Thanks for the review. I will fix the below in the next patch.

On 10/29/2019 7:34 AM, Rob Herring wrote:
>> +properties:
>> +  compatible :
> drop space     ^
> 
>> +    enum:
>> +       - qcom,sdm845-rpmh-clk
>> +       - qcom,sm8150-rpmh-clk
> Wrong indent (1 char too many).
> 
>> +
>> +  clocks:
>> +    maxItems: 1
>> +
>> +  clock-names:
>> +    maxItems: 1
> Can drop this. Implied by items list.
> 

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

--

[PATCH v1 2/3] dt-bindings: clock: Introduce RPMHCC bindings for SC7180

[Taniya Das]

Add compatible for SC7180 RPMHCC.

Signed-off-by: Taniya Das <tdas@codeaurora.org>
---
 Documentation/devicetree/bindings/clock/qcom,rpmhcc.yaml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Documentation/devicetree/bindings/clock/qcom,rpmhcc.yaml b/Documentation/devicetree/bindings/clock/qcom,rpmhcc.yaml
index 326bfd7..e325c6e 100644
--- a/Documentation/devicetree/bindings/clock/qcom,rpmhcc.yaml
+++ b/Documentation/devicetree/bindings/clock/qcom,rpmhcc.yaml
@@ -19,6 +19,7 @@ properties:
     enum:
        - qcom,sdm845-rpmh-clk
        - qcom,sm8150-rpmh-clk
+       - qcom,sc7180-rpmh-clk

   clocks:
     maxItems: 1
--
Qualcomm INDIA, on behalf of Qualcomm Innovation Center, Inc.is a member
of the Code Aurora Forum, hosted by the  Linux Foundation.

Re: [PATCH v1 2/3] dt-bindings: clock: Introduce RPMHCC bindings for SC7180

[Rob Herring]

On Fri, 18 Oct 2019 15:39:23 +0530, Taniya Das wrote:
> Add compatible for SC7180 RPMHCC.
> 
> Signed-off-by: Taniya Das <tdas@codeaurora.org>
> ---
>  Documentation/devicetree/bindings/clock/qcom,rpmhcc.yaml | 1 +
>  1 file changed, 1 insertion(+)
> 

Acked-by: Rob Herring <robh@kernel.org>

[PATCH v1 3/3] clk: qcom: clk-rpmh: Add support for RPMHCC for SC7180

[Taniya Das]

Add support for clock RPMh driver to vote for ARC and VRM managed
clock resources.

Signed-off-by: Taniya Das <tdas@codeaurora.org>
---
 drivers/clk/qcom/clk-rpmh.c | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/drivers/clk/qcom/clk-rpmh.c b/drivers/clk/qcom/clk-rpmh.c
index 96a36f6..7301c77 100644
--- a/drivers/clk/qcom/clk-rpmh.c
+++ b/drivers/clk/qcom/clk-rpmh.c
@@ -391,6 +391,24 @@ static const struct clk_rpmh_desc clk_rpmh_sm8150 = {
 	.num_clks = ARRAY_SIZE(sm8150_rpmh_clocks),
 };

+static struct clk_hw *sc7180_rpmh_clocks[] = {
+	[RPMH_CXO_CLK]		= &sdm845_bi_tcxo.hw,
+	[RPMH_CXO_CLK_A]	= &sdm845_bi_tcxo_ao.hw,
+	[RPMH_LN_BB_CLK2]	= &sdm845_ln_bb_clk2.hw,
+	[RPMH_LN_BB_CLK2_A]	= &sdm845_ln_bb_clk2_ao.hw,
+	[RPMH_LN_BB_CLK3]	= &sdm845_ln_bb_clk3.hw,
+	[RPMH_LN_BB_CLK3_A]	= &sdm845_ln_bb_clk3_ao.hw,
+	[RPMH_RF_CLK1]		= &sdm845_rf_clk1.hw,
+	[RPMH_RF_CLK1_A]	= &sdm845_rf_clk1_ao.hw,
+	[RPMH_RF_CLK2]		= &sdm845_rf_clk2.hw,
+	[RPMH_RF_CLK2_A]	= &sdm845_rf_clk2_ao.hw,
+};
+
+static const struct clk_rpmh_desc clk_rpmh_sc7180 = {
+	.clks = sc7180_rpmh_clocks,
+	.num_clks = ARRAY_SIZE(sc7180_rpmh_clocks),
+};
+
 static struct clk_hw *of_clk_rpmh_hw_get(struct of_phandle_args *clkspec,
 					 void *data)
 {
@@ -471,6 +489,7 @@ static int clk_rpmh_probe(struct platform_device *pdev)
 static const struct of_device_id clk_rpmh_match_table[] = {
 	{ .compatible = "qcom,sdm845-rpmh-clk", .data = &clk_rpmh_sdm845},
 	{ .compatible = "qcom,sm8150-rpmh-clk", .data = &clk_rpmh_sm8150},
+	{ .compatible = "qcom,sc7180-rpmh-clk", .data = &clk_rpmh_sc7180},
 	{ }
 };
 MODULE_DEVICE_TABLE(of, clk_rpmh_match_table);
--
Qualcomm INDIA, on behalf of Qualcomm Innovation Center, Inc.is a member
of the Code Aurora Forum, hosted by the  Linux Foundation.

Re: [PATCH v1 3/3] clk: qcom: clk-rpmh: Add support for RPMHCC for SC7180

[Vinod Koul]

On 18-10-19, 15:39, Taniya Das wrote:
> Add support for clock RPMh driver to vote for ARC and VRM managed
> clock resources.
> 
> Signed-off-by: Taniya Das <tdas@codeaurora.org>
> ---
>  drivers/clk/qcom/clk-rpmh.c | 19 +++++++++++++++++++
>  1 file changed, 19 insertions(+)
> 
> diff --git a/drivers/clk/qcom/clk-rpmh.c b/drivers/clk/qcom/clk-rpmh.c
> index 96a36f6..7301c77 100644
> --- a/drivers/clk/qcom/clk-rpmh.c
> +++ b/drivers/clk/qcom/clk-rpmh.c
> @@ -391,6 +391,24 @@ static const struct clk_rpmh_desc clk_rpmh_sm8150 = {
>  	.num_clks = ARRAY_SIZE(sm8150_rpmh_clocks),
>  };
> 
> +static struct clk_hw *sc7180_rpmh_clocks[] = {
> +	[RPMH_CXO_CLK]		= &sdm845_bi_tcxo.hw,
> +	[RPMH_CXO_CLK_A]	= &sdm845_bi_tcxo_ao.hw,
> +	[RPMH_LN_BB_CLK2]	= &sdm845_ln_bb_clk2.hw,
> +	[RPMH_LN_BB_CLK2_A]	= &sdm845_ln_bb_clk2_ao.hw,
> +	[RPMH_LN_BB_CLK3]	= &sdm845_ln_bb_clk3.hw,
> +	[RPMH_LN_BB_CLK3_A]	= &sdm845_ln_bb_clk3_ao.hw,
> +	[RPMH_RF_CLK1]		= &sdm845_rf_clk1.hw,
> +	[RPMH_RF_CLK1_A]	= &sdm845_rf_clk1_ao.hw,
> +	[RPMH_RF_CLK2]		= &sdm845_rf_clk2.hw,
> +	[RPMH_RF_CLK2_A]	= &sdm845_rf_clk2_ao.hw,
> +};
> +
> +static const struct clk_rpmh_desc clk_rpmh_sc7180 = {
> +	.clks = sc7180_rpmh_clocks,
> +	.num_clks = ARRAY_SIZE(sc7180_rpmh_clocks),
> +};
> +
>  static struct clk_hw *of_clk_rpmh_hw_get(struct of_phandle_args *clkspec,
>  					 void *data)
>  {
> @@ -471,6 +489,7 @@ static int clk_rpmh_probe(struct platform_device *pdev)
>  static const struct of_device_id clk_rpmh_match_table[] = {
>  	{ .compatible = "qcom,sdm845-rpmh-clk", .data = &clk_rpmh_sdm845},
>  	{ .compatible = "qcom,sm8150-rpmh-clk", .data = &clk_rpmh_sm8150},
> +	{ .compatible = "qcom,sc7180-rpmh-clk", .data = &clk_rpmh_sc7180},

Is the table above not same as sm8150, if so cant we reuse that for
sc7180?

>  	{ }
>  };
>  MODULE_DEVICE_TABLE(of, clk_rpmh_match_table);
> --
> Qualcomm INDIA, on behalf of Qualcomm Innovation Center, Inc.is a member
> of the Code Aurora Forum, hosted by the  Linux Foundation.

-- 
~Vinod