Re: [PATCH v7 01/16] regulator: dt-bindings: describe the PMU module of the QCA6390 package

[Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>]

On Wed, 10 Apr 2024 at 15:46, Bartosz Golaszewski <brgl@xxxxxxxx> wrote:
>
> From: Bartosz Golaszewski <bartosz.golaszewski@xxxxxxxxxx>
>
> The QCA6390 package contains discreet modules for WLAN and Bluetooth. They
> are powered by the Power Management Unit (PMU) that takes inputs from the
> host and provides LDO outputs. This document describes this module.
>
> Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@xxxxxxxxxx>
> Acked-by: Mark Brown <broonie@xxxxxxxxxx>
> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
> ---
>  .../bindings/regulator/qcom,qca6390-pmu.yaml  | 151 ++++++++++++++++++
>  1 file changed, 151 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/regulator/qcom,qca6390-pmu.yaml
>
> diff --git a/Documentation/devicetree/bindings/regulator/qcom,qca6390-pmu.yaml b/Documentation/devicetree/bindings/regulator/qcom,qca6390-pmu.yaml
> new file mode 100644
> index 000000000000..9d39ff9a75fd
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/regulator/qcom,qca6390-pmu.yaml
> @@ -0,0 +1,151 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/regulator/qcom,qca6390-pmu.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Qualcomm Technologies, Inc. QCA6390 PMU Regulators
> +
> +maintainers:
> +  - Bartosz Golaszewski <bartosz.golaszewski@xxxxxxxxxx>
> +
> +description:
> +  The QCA6390 package contains discreet modules for WLAN and Bluetooth. They
> +  are powered by the Power Management Unit (PMU) that takes inputs from the
> +  host and provides LDO outputs. This document describes this module.
> +
> +properties:
> +  compatible:
> +    const: qcom,qca6390-pmu
> +
> +  vddaon-supply:
> +    description: VDD_AON supply regulator handle
> +
> +  vddpmu-supply:
> +    description: VDD_PMU supply regulator handle
> +
> +  vddrfa0p95-supply:
> +    description: VDD_RFA_0P95 supply regulator handle
> +
> +  vddrfa1p3-supply:
> +    description: VDD_RFA_1P3 supply regulator handle
> +
> +  vddrfa1p9-supply:
> +    description: VDD_RFA_1P9 supply regulator handle
> +
> +  vddpcie1p3-supply:
> +    description: VDD_PCIE_1P3 supply regulator handle<S-Del>
> +
> +  vddpcie1p9-supply:
> +    description: VDD_PCIE_1P9 supply regulator handle
> +
> +  vddio-supply:
> +    description: VDD_IO supply regulator handle
> +
> +  wlan-enable-gpios:
> +    maxItems: 1
> +    description: GPIO line enabling the ATH11K WLAN module supplied by the PMU
> +
> +  bt-enable-gpios:
> +    maxItems: 1
> +    description: GPIO line enabling the ATH11K Bluetooth module supplied by the PMU

As a side node, I think we should also steal swctrl pin from the
bluetooth device node. It represents the status of the PMU and as such
it is not BT-specific.

> +
> +  regulators:
> +    type: object
> +    description:
> +      LDO outputs of the PMU
> +
> +    patternProperties:
> +      "^ldo[0-9]$":
> +        $ref: regulator.yaml#
> +        type: object
> +        unevaluatedProperties: false
> +
> +    additionalProperties: false
> +
> +required:
> +  - compatible
> +  - regulators
> +
> +allOf:
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            const: qcom,qca6390-pmu
> +    then:
> +      required:
> +        - vddaon-supply
> +        - vddpmu-supply
> +        - vddrfa0p95-supply
> +        - vddrfa1p3-supply
> +        - vddrfa1p9-supply
> +        - vddpcie1p3-supply
> +        - vddpcie1p9-supply
> +        - vddio-supply
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/gpio/gpio.h>
> +    pmu {
> +        compatible = "qcom,qca6390-pmu";
> +
> +        pinctrl-names = "default";
> +        pinctrl-0 = <&bt_en_state>, <&wlan_en_state>;
> +
> +        vddaon-supply = <&vreg_s6a_0p95>;
> +        vddpmu-supply = <&vreg_s2f_0p95>;
> +        vddrfa0p95-supply = <&vreg_s2f_0p95>;
> +        vddrfa1p3-supply = <&vreg_s8c_1p3>;
> +        vddrfa1p9-supply = <&vreg_s5a_1p9>;
> +        vddpcie1p3-supply = <&vreg_s8c_1p3>;
> +        vddpcie1p9-supply = <&vreg_s5a_1p9>;
> +        vddio-supply = <&vreg_s4a_1p8>;
> +
> +        wlan-enable-gpios = <&tlmm 20 GPIO_ACTIVE_HIGH>;
> +        bt-enable-gpios = <&tlmm 21 GPIO_ACTIVE_HIGH>;
> +
> +        regulators {
> +            vreg_pmu_rfa_cmn: ldo0 {
> +                regulator-name = "vreg_pmu_rfa_cmn";
> +            };
> +
> +            vreg_pmu_aon_0p59: ldo1 {
> +                regulator-name = "vreg_pmu_aon_0p59";
> +            };
> +
> +            vreg_pmu_wlcx_0p8: ldo2 {
> +                regulator-name = "vreg_pmu_wlcx_0p8";
> +            };
> +
> +            vreg_pmu_wlmx_0p85: ldo3 {
> +                regulator-name = "vreg_pmu_wlmx_0p85";
> +            };
> +
> +            vreg_pmu_btcmx_0p85: ldo4 {
> +                regulator-name = "vreg_pmu_btcmx_0p85";
> +            };
> +
> +            vreg_pmu_rfa_0p8: ldo5 {
> +                regulator-name = "vreg_pmu_rfa_0p8";
> +            };
> +
> +            vreg_pmu_rfa_1p2: ldo6 {
> +                regulator-name = "vreg_pmu_rfa_1p2";
> +            };
> +
> +            vreg_pmu_rfa_1p7: ldo7 {
> +                regulator-name = "vreg_pmu_rfa_1p7";
> +            };
> +
> +            vreg_pmu_pcie_0p9: ldo8 {
> +                regulator-name = "vreg_pmu_pcie_0p9";
> +            };
> +
> +            vreg_pmu_pcie_1p8: ldo9 {
> +                regulator-name = "vreg_pmu_pcie_1p8";
> +            };
> +        };
> +    };
> --
> 2.40.1
>


-- 
With best wishes
Dmitry