[PATCH v3 0/2] [PATCH v4 0/2] Add pinctrl support adsp bypass platforms

[PATCH v3 0/2] [PATCH v4 0/2] Add pinctrl support adsp bypass platforms

[Srinivasa Rao Mandadapu]

This patch set is to make clock voting optinal for adsp bypass 
sc7280 platforms.

Changes Since V3:
    -- Revert compatible type change in dt bindings.
    -- Update boolean flag description in dt bindings.
    -- Drop redundant clock optional flag initialization.
    -- Remove redundant if check.
Changes Since V2:
    -- Remove redundant lpi pincontrol variant data structure and 
       compatible entry.
    -- Add adsp bypass mode boolean param check.
    -- Remove compatible name in dt bindings.
    -- Update dt binding bypass mode boolean param.
Changes Since V1:
    -- Update commit message.
 
Srinivasa Rao Mandadapu (2):
  dt-bindings: pinctrl: qcom: sc7280: Add boolean param for ADSP bypass
    platforms
  pinctrl: qcom: sc7280: Add clock optional check for ADSP bypass
    targets

 .../devicetree/bindings/pinctrl/qcom,sc7280-lpass-lpi-pinctrl.yaml   | 5 +++++
 drivers/pinctrl/qcom/pinctrl-lpass-lpi.c                             | 2 ++
 drivers/pinctrl/qcom/pinctrl-sc7280-lpass-lpi.c                      | 1 -
 3 files changed, 7 insertions(+), 1 deletion(-)

-- 
2.7.4

[PATCH v4 1/2] dt-bindings: pinctrl: qcom: sc7280: Add boolean param for ADSP bypass platforms

[Srinivasa Rao Mandadapu]

Add boolean param qcom,adsp-bypass-mode to support adsp bypassed sc7280
platforms. Which is required to make clock voting as optional for ADSP
bypass platforms.

Signed-off-by: Srinivasa Rao Mandadapu <quic_srivasam@quicinc.com>
---
 .../devicetree/bindings/pinctrl/qcom,sc7280-lpass-lpi-pinctrl.yaml   | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Documentation/devicetree/bindings/pinctrl/qcom,sc7280-lpass-lpi-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/qcom,sc7280-lpass-lpi-pinctrl.yaml
index d32ee32..33d1d37 100644
--- a/Documentation/devicetree/bindings/pinctrl/qcom,sc7280-lpass-lpi-pinctrl.yaml
+++ b/Documentation/devicetree/bindings/pinctrl/qcom,sc7280-lpass-lpi-pinctrl.yaml
@@ -19,6 +19,11 @@ properties:
   compatible:
     const: qcom,sc7280-lpass-lpi-pinctrl
 
+  qcom,adsp-bypass-mode:
+    description:
+      Tells ADSP is in bypass mode.
+    type: boolean
+
   reg:
     minItems: 2
     maxItems: 2
-- 
2.7.4

[PATCH v4 2/2] pinctrl: qcom: sc7280: Add clock optional check for ADSP bypass targets

[Srinivasa Rao Mandadapu]

Update lpass lpi pin control driver, with clock optional check for ADSP
disabled platforms. This check required for distingushing ADSP based
platforms and ADSP bypass platforms.
In case of ADSP enabled platforms, where audio is routed through ADSP
macro and decodec GDSC Switches are triggered as clocks by pinctrl
driver and ADSP firmware controls them. So It's mandatory to enable
them in ADSP based solutions.
In case of ADSP bypass platforms clock voting is optional as these macro
and dcodec GDSC switches are maintained as power domains and operated from
lpass clock drivers.

Signed-off-by: Srinivasa Rao Mandadapu <quic_srivasam@quicinc.com>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
---
 drivers/pinctrl/qcom/pinctrl-lpass-lpi.c        | 2 ++
 drivers/pinctrl/qcom/pinctrl-sc7280-lpass-lpi.c | 1 -
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/pinctrl/qcom/pinctrl-lpass-lpi.c b/drivers/pinctrl/qcom/pinctrl-lpass-lpi.c
index 74810ec..b3d4244 100644
--- a/drivers/pinctrl/qcom/pinctrl-lpass-lpi.c
+++ b/drivers/pinctrl/qcom/pinctrl-lpass-lpi.c
@@ -388,6 +388,8 @@ int lpi_pinctrl_probe(struct platform_device *pdev)
 	pctrl->data = data;
 	pctrl->dev = &pdev->dev;
 
+	data->is_clk_optional = of_property_read_bool(np, "qcom,adsp-bypass-mode");
+
 	pctrl->clks[0].id = "core";
 	pctrl->clks[1].id = "audio";
 
diff --git a/drivers/pinctrl/qcom/pinctrl-sc7280-lpass-lpi.c b/drivers/pinctrl/qcom/pinctrl-sc7280-lpass-lpi.c
index 2add9a4..d615b6c5 100644
--- a/drivers/pinctrl/qcom/pinctrl-sc7280-lpass-lpi.c
+++ b/drivers/pinctrl/qcom/pinctrl-sc7280-lpass-lpi.c
@@ -141,7 +141,6 @@ static const struct lpi_pinctrl_variant_data sc7280_lpi_data = {
 	.ngroups = ARRAY_SIZE(sc7280_groups),
 	.functions = sc7280_functions,
 	.nfunctions = ARRAY_SIZE(sc7280_functions),
-	.is_clk_optional = true,
 };
 
 static const struct of_device_id lpi_pinctrl_of_match[] = {
-- 
2.7.4

Re: [PATCH v4 1/2] dt-bindings: pinctrl: qcom: sc7280: Add boolean param for ADSP bypass platforms

[Stephen Boyd]

Quoting Srinivasa Rao Mandadapu (2022-06-10 21:22:36)
> Add boolean param qcom,adsp-bypass-mode to support adsp bypassed sc7280
> platforms. Which is required to make clock voting as optional for ADSP
> bypass platforms.
>
> Signed-off-by: Srinivasa Rao Mandadapu <quic_srivasam@quicinc.com>
> ---

Reviewed-by: Stephen Boyd <swboyd@chromium.org>

> diff --git a/Documentation/devicetree/bindings/pinctrl/qcom,sc7280-lpass-lpi-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/qcom,sc7280-lpass-lpi-pinctrl.yaml
> index d32ee32..33d1d37 100644
> --- a/Documentation/devicetree/bindings/pinctrl/qcom,sc7280-lpass-lpi-pinctrl.yaml
> +++ b/Documentation/devicetree/bindings/pinctrl/qcom,sc7280-lpass-lpi-pinctrl.yaml
> @@ -19,6 +19,11 @@ properties:
>    compatible:
>      const: qcom,sc7280-lpass-lpi-pinctrl
>
> +  qcom,adsp-bypass-mode:
> +    description:
> +      Tells ADSP is in bypass mode.

Doubt "Tells" is required, but OK.

Re: [PATCH v4 1/2] dt-bindings: pinctrl: qcom: sc7280: Add boolean param for ADSP bypass platforms

[Rob Herring]

On Sat, 11 Jun 2022 09:52:36 +0530, Srinivasa Rao Mandadapu wrote:
> Add boolean param qcom,adsp-bypass-mode to support adsp bypassed sc7280
> platforms. Which is required to make clock voting as optional for ADSP
> bypass platforms.
> 
> Signed-off-by: Srinivasa Rao Mandadapu <quic_srivasam@quicinc.com>
> ---
>  .../devicetree/bindings/pinctrl/qcom,sc7280-lpass-lpi-pinctrl.yaml   | 5 +++++
>  1 file changed, 5 insertions(+)
> 

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

Re: [PATCH v3 0/2] [PATCH v4 0/2] Add pinctrl support adsp bypass platforms

[Linus Walleij]

On Sat, Jun 11, 2022 at 6:23 AM Srinivasa Rao Mandadapu
<quic_srivasam@quicinc.com> wrote:

> This patch set is to make clock voting optinal for adsp bypass
> sc7280 platforms.
>
> Changes Since V3:

v4 looks really appetizing, just giving Bjorn some time to have a look
before applying!

Yours,
Linus Walleij

Re: [PATCH v3 0/2] [PATCH v4 0/2] Add pinctrl support adsp bypass platforms

[Linus Walleij]

On Sat, Jun 11, 2022 at 6:23 AM Srinivasa Rao Mandadapu
<quic_srivasam@quicinc.com> wrote:

> This patch set is to make clock voting optinal for adsp bypass
> sc7280 platforms.
>
> Changes Since V3:

This v4 patch set applied. Bjorn can yell if he has concerns and I'll
pull it out again.

Yours,
Linus Walleij