diff mbox series

[v2,3/5] dt-bindings: regulator: Add binding schema for mt6357 regulators

Message ID 20221005-mt6357-support-v2-3-f17ba2d2d0a9@baylibre.com
State Superseded
Headers show
Series Add MediaTek MT6357 PMIC support | expand

Commit Message

Alexandre Mergnat Oct. 5, 2022, 2:57 p.m. UTC
From: Fabien Parent <fparent@baylibre.com>

Add YAML schema for the MediaTek MT6357 regulators.

Signed-off-by: Fabien Parent <fparent@baylibre.com>
Signed-off-by: Alexandre Mergnat <amergnat@baylibre.com>
---
 .../regulator/mediatek,mt6357-regulator.yaml       | 284 +++++++++++++++++++++
 1 file changed, 284 insertions(+)

Comments

Krzysztof Kozlowski Oct. 5, 2022, 4:02 p.m. UTC | #1
On 05/10/2022 16:57, Alexandre Mergnat wrote:
> From: Fabien Parent <fparent@baylibre.com>
> 
> Add YAML schema for the MediaTek MT6357 regulators.
> 
> Signed-off-by: Fabien Parent <fparent@baylibre.com>
> Signed-off-by: Alexandre Mergnat <amergnat@baylibre.com>
> ---
>  .../regulator/mediatek,mt6357-regulator.yaml       | 284 +++++++++++++++++++++
>  1 file changed, 284 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/regulator/mediatek,mt6357-regulator.yaml b/Documentation/devicetree/bindings/regulator/mediatek,mt6357-regulator.yaml
> new file mode 100644
> index 000000000000..83ce2cf287dd
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/regulator/mediatek,mt6357-regulator.yaml
> @@ -0,0 +1,284 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/regulator/mediatek,mt6357-regulator.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: MediaTek MT6357 Regulators
> +
> +maintainers:
> +  - Fabien Parent <fparent@baylibre.com>

The email might be not correct.

> +  - Alexandre Mergnat <amergnat@baylibre.com>
> +
> +description: |
> +  The MT6357 PMIC provides 5 BUCK and 29 LDO.
> +  Regulators and nodes are named according to the regulator type:
> +  buck-<name> and ldo-<name>.
> +  MT6357 regulators node should be sub node of the MT6397 MFD node.
> +
> +patternProperties:
> +  "^buck-v(core|modem|pa|proc|s1)$":
> +    type: object
> +    $ref: "regulator.yaml#"

Drop quotes.

> +
> +    properties:
> +      regulator-name:
> +        pattern: "^v(core|modem|pa|proc|s1)$"

Why enforcing particular name of the regulator?

Both comments apply to all other cases.

Best regards,
Krzysztof
Krzysztof Kozlowski Oct. 11, 2022, 12:03 p.m. UTC | #2
On 11/10/2022 05:30, Alexandre Mergnat wrote:
> Hi Krzysztof,
> 
> Thanks for your review !
> 
>  >> +
>  >> +    properties:
>  >> +      regulator-name:
>  >> +        pattern: "^v(core|modem|pa|proc|s1)$"
>  >
>  > Why enforcing particular name of the regulator?
> 
> The regulator names are forced to match with the datasheet names.
> 
> I think it's a good practice to increase visibility between HW & SW.

Enforcing is not a good practice.

> 
> Also, that keep consistency with other Mediatek PMIC schema.

So there is a bad practice and instead of fixing it, you align to it... No.


Best regards,
Krzysztof
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/regulator/mediatek,mt6357-regulator.yaml b/Documentation/devicetree/bindings/regulator/mediatek,mt6357-regulator.yaml
new file mode 100644
index 000000000000..83ce2cf287dd
--- /dev/null
+++ b/Documentation/devicetree/bindings/regulator/mediatek,mt6357-regulator.yaml
@@ -0,0 +1,284 @@ 
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/regulator/mediatek,mt6357-regulator.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: MediaTek MT6357 Regulators
+
+maintainers:
+  - Fabien Parent <fparent@baylibre.com>
+  - Alexandre Mergnat <amergnat@baylibre.com>
+
+description: |
+  The MT6357 PMIC provides 5 BUCK and 29 LDO.
+  Regulators and nodes are named according to the regulator type:
+  buck-<name> and ldo-<name>.
+  MT6357 regulators node should be sub node of the MT6397 MFD node.
+
+patternProperties:
+  "^buck-v(core|modem|pa|proc|s1)$":
+    type: object
+    $ref: "regulator.yaml#"
+
+    properties:
+      regulator-name:
+        pattern: "^v(core|modem|pa|proc|s1)$"
+
+    unevaluatedProperties: false
+
+  "^ldo-v(aud28|aux18|cama|camd|cn18|cn28|cn33-bt|cn33-wifi|dram)$":
+    type: object
+    $ref: "regulator.yaml#"
+
+    properties:
+      regulator-name:
+        pattern: "^v(aud28|aux18|cama|camd|cn18|cn28|cn33-bt|cn33-wifi|dram)$"
+
+    unevaluatedProperties: false
+
+  "^ldo-v(efuse|emc|ibr|io18|io28|ldo28|mch|rf12|rf18)$":
+    type: object
+    $ref: "regulator.yaml#"
+
+    properties:
+      regulator-name:
+        pattern: "^v(efuse|emc|ibr|io18|io28|ldo28|mch|rf12|rf18)$"
+
+    unevaluatedProperties: false
+
+  "^ldo-v(xo22|sim1,sim2|sram-others|sram-proc|usb33|xo22)$":
+    type: object
+    $ref: "regulator.yaml#"
+
+    properties:
+      regulator-name:
+        pattern: "^v(xo22|sim1,sim2|sram-others|sram-proc|usb33|xo22)$"
+
+    unevaluatedProperties: false
+
+additionalProperties: false
+
+examples:
+  - |
+    pmic {
+      regulators {
+        mt6357_vproc_reg: buck-vproc {
+          regulator-name = "vproc";
+          regulator-min-microvolt = <518750>;
+          regulator-max-microvolt = <1312500>;
+          regulator-ramp-delay = <6250>;
+          regulator-enable-ramp-delay = <220>;
+          regulator-always-on;
+        };
+        mt6357_vcore_reg: buck-vcore {
+          regulator-name = "vcore";
+          regulator-min-microvolt = <518750>;
+          regulator-max-microvolt = <1312500>;
+          regulator-ramp-delay = <6250>;
+          regulator-enable-ramp-delay = <220>;
+          regulator-always-on;
+        };
+        mt6357_vmodem_reg: buck-vmodem {
+          regulator-name = "vmodem";
+          regulator-min-microvolt = <500000>;
+          regulator-max-microvolt = <1193750>;
+          regulator-ramp-delay = <6250>;
+          regulator-enable-ramp-delay = <220>;
+        };
+        mt6357_vs1_reg: buck-vs1 {
+          regulator-name = "vs1";
+          regulator-min-microvolt = <1200000>;
+          regulator-max-microvolt = <2200000>;
+          regulator-ramp-delay = <12500>;
+          regulator-enable-ramp-delay = <220>;
+          regulator-always-on;
+        };
+        mt6357_vpa_reg: buck-vpa {
+          regulator-name = "vpa";
+          regulator-min-microvolt = <500000>;
+          regulator-max-microvolt = <3650000>;
+          regulator-ramp-delay = <50000>;
+          regulator-enable-ramp-delay = <220>;
+        };
+        mt6357_vfe28_reg: ldo-vfe28 {
+          compatible = "regulator-fixed";
+          regulator-name = "vfe28";
+          regulator-min-microvolt = <2800000>;
+          regulator-max-microvolt = <2800000>;
+          regulator-enable-ramp-delay = <264>;
+        };
+        mt6357_vxo22_reg: ldo-vxo22 {
+          regulator-name = "vxo22";
+          regulator-min-microvolt = <2200000>;
+          regulator-max-microvolt = <2400000>;
+          regulator-enable-ramp-delay = <110>;
+        };
+        mt6357_vrf18_reg: ldo-vrf18 {
+          compatible = "regulator-fixed";
+          regulator-name = "vrf18";
+          regulator-min-microvolt = <1800000>;
+          regulator-max-microvolt = <1800000>;
+          regulator-enable-ramp-delay = <110>;
+        };
+        mt6357_vrf12_reg: ldo-vrf12 {
+          compatible = "regulator-fixed";
+          regulator-name = "vrf12";
+          regulator-min-microvolt = <1200000>;
+          regulator-max-microvolt = <1200000>;
+          regulator-enable-ramp-delay = <110>;
+        };
+        mt6357_vefuse_reg: ldo-vefuse {
+          regulator-name = "vefuse";
+          regulator-min-microvolt = <1200000>;
+          regulator-max-microvolt = <3300000>;
+          regulator-enable-ramp-delay = <264>;
+        };
+        mt6357_vcn33_bt_reg: ldo-vcn33-bt {
+          regulator-name = "vcn33-bt";
+          regulator-min-microvolt = <3300000>;
+          regulator-max-microvolt = <3500000>;
+          regulator-enable-ramp-delay = <264>;
+        };
+        mt6357_vcn33_wifi_reg: ldo-vcn33-wifi {
+          regulator-name = "vcn33-wifi";
+          regulator-min-microvolt = <3300000>;
+          regulator-max-microvolt = <3500000>;
+          regulator-enable-ramp-delay = <264>;
+        };
+        mt6357_vcn28_reg: ldo-vcn28 {
+          compatible = "regulator-fixed";
+          regulator-name = "vcn28";
+          regulator-min-microvolt = <2800000>;
+          regulator-max-microvolt = <2800000>;
+          regulator-enable-ramp-delay = <264>;
+        };
+        mt6357_vcn18_reg: ldo-vcn18 {
+          compatible = "regulator-fixed";
+          regulator-name = "vcn18";
+          regulator-min-microvolt = <1800000>;
+          regulator-max-microvolt = <1800000>;
+          regulator-enable-ramp-delay = <264>;
+        };
+        mt6357_vcama_reg: ldo-vcama {
+          regulator-name = "vcama";
+          regulator-min-microvolt = <2500000>;
+          regulator-max-microvolt = <2800000>;
+          regulator-enable-ramp-delay = <264>;
+        };
+        mt6357_vcamd_reg: ldo-vcamd {
+          regulator-name = "vcamd";
+          regulator-min-microvolt = <1000000>;
+          regulator-max-microvolt = <1800000>;
+          regulator-enable-ramp-delay = <264>;
+        };
+        mt6357_vcamio_reg: ldo-vcamio18 {
+          compatible = "regulator-fixed";
+          regulator-name = "vcamio";
+          regulator-min-microvolt = <1800000>;
+          regulator-max-microvolt = <1800000>;
+          regulator-enable-ramp-delay = <264>;
+        };
+        mt6357_vldo28_reg: ldo-vldo28 {
+          regulator-name = "vldo28";
+          regulator-min-microvolt = <2800000>;
+          regulator-max-microvolt = <3000000>;
+          regulator-enable-ramp-delay = <264>;
+        };
+        mt6357_vsram_others_reg: ldo-vsram-others {
+          regulator-name = "vsram-others";
+          regulator-min-microvolt = <518750>;
+          regulator-max-microvolt = <1312500>;
+          regulator-ramp-delay = <6250>;
+          regulator-enable-ramp-delay = <110>;
+          regulator-always-on;
+        };
+        mt6357_vsram_proc_reg: ldo-vsram-proc {
+          regulator-name = "vsram-proc";
+          regulator-min-microvolt = <518750>;
+          regulator-max-microvolt = <1312500>;
+          regulator-ramp-delay = <6250>;
+          regulator-enable-ramp-delay = <110>;
+          regulator-always-on;
+        };
+        mt6357_vaux18_reg: ldo-vaux18 {
+          compatible = "regulator-fixed";
+          regulator-name = "vaux18";
+          regulator-min-microvolt = <1800000>;
+          regulator-max-microvolt = <1800000>;
+          regulator-enable-ramp-delay = <264>;
+        };
+        mt6357_vaud28_reg: ldo-vaud28 {
+          compatible = "regulator-fixed";
+          regulator-name = "vaud28";
+          regulator-min-microvolt = <2800000>;
+          regulator-max-microvolt = <2800000>;
+          regulator-enable-ramp-delay = <264>;
+        };
+        mt6357_vio28_reg: ldo-vio28 {
+          compatible = "regulator-fixed";
+          regulator-name = "vio28";
+          regulator-min-microvolt = <2800000>;
+          regulator-max-microvolt = <2800000>;
+          regulator-enable-ramp-delay = <264>;
+        };
+        mt6357_vio18_reg: ldo-vio18 {
+          compatible = "regulator-fixed";
+          regulator-name = "vio18";
+          regulator-min-microvolt = <1800000>;
+          regulator-max-microvolt = <1800000>;
+          regulator-enable-ramp-delay = <264>;
+          regulator-always-on;
+        };
+        mt6357_vdram_reg: ldo-vdram {
+          regulator-name = "vdram";
+          regulator-min-microvolt = <1100000>;
+          regulator-max-microvolt = <1200000>;
+          regulator-enable-ramp-delay = <3300>;
+        };
+        mt6357_vmc_reg: ldo-vmc {
+          regulator-name = "vmc";
+          regulator-min-microvolt = <1800000>;
+          regulator-max-microvolt = <3300000>;
+          regulator-enable-ramp-delay = <44>;
+        };
+        mt6357_vmch_reg: ldo-vmch {
+          regulator-name = "vmch";
+          regulator-min-microvolt = <2900000>;
+          regulator-max-microvolt = <3300000>;
+          regulator-enable-ramp-delay = <44>;
+        };
+        mt6357_vemc_reg: ldo-vemc {
+          regulator-name = "vemc";
+          regulator-min-microvolt = <2900000>;
+          regulator-max-microvolt = <3300000>;
+          regulator-enable-ramp-delay = <44>;
+          regulator-always-on;
+        };
+        mt6357_vsim1_reg: ldo-vsim1 {
+          regulator-name = "vsim1";
+          regulator-min-microvolt = <1700000>;
+          regulator-max-microvolt = <3100000>;
+          regulator-enable-ramp-delay = <264>;
+        };
+        mt6357_vsim2_reg: ldo-vsim2 {
+          regulator-name = "vsim2";
+          regulator-min-microvolt = <1700000>;
+          regulator-max-microvolt = <3100000>;
+          regulator-enable-ramp-delay = <264>;
+        };
+        mt6357_vibr_reg: ldo-vibr {
+          regulator-name = "vibr";
+          regulator-min-microvolt = <1200000>;
+          regulator-max-microvolt = <3300000>;
+          regulator-enable-ramp-delay = <44>;
+        };
+        mt6357_vusb33_reg: ldo-vusb33 {
+          regulator-name = "vusb33";
+          regulator-min-microvolt = <3000000>;
+          regulator-max-microvolt = <3100000>;
+          regulator-enable-ramp-delay = <264>;
+        };
+      };
+    };
+...