diff mbox series

[1/5] dt-bindings: mfd: Add rk816 binding

Message ID 20240321143911.90210-4-knaerzche@gmail.com
State New
Headers show
Series Add RK816 PMIC support | expand

Commit Message

Alex Bee March 21, 2024, 2:39 p.m. UTC 
Add DT binding document for Rockchip's RK816 PMIC

Signed-off-by: Alex Bee <knaerzche@gmail.com>
---
 .../bindings/mfd/rockchip,rk816.yaml          | 259 ++++++++++++++++++
 1 file changed, 259 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/mfd/rockchip,rk816.yaml

Comments

Krzysztof Kozlowski March 22, 2024, 7:07 a.m. UTC | #1 
On 21/03/2024 15:39, Alex Bee wrote:
> Add DT binding document for Rockchip's RK816 PMIC
> 
> Signed-off-by: Alex Bee <knaerzche@gmail.com>

> diff --git a/Documentation/devicetree/bindings/mfd/rockchip,rk816.yaml b/Documentation/devicetree/bindings/mfd/rockchip,rk816.yaml
> new file mode 100644
> index 000000000000..b46de99f60ff
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mfd/rockchip,rk816.yaml
> @@ -0,0 +1,259 @@
> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/mfd/rockchip,rk816.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: RK816 Power Management Integrated Circuit
> +
> +maintainers:
> +  - Chris Zhong <zyw@rock-chips.com>
> +  - Zhang Qing <zhangqing@rock-chips.com>
> +
> +description: |

Do not need '|' unless you need to preserve formatting.

> +  Rockchip RK816 series PMIC. This device consists of an i2c controlled MFD
> +  that includes regulators, a RTC, a gpio controller, and a power button.
> +
> +properties:
> +  compatible:
> +    enum:
> +      - rockchip,rk816
> +
> +  reg:
> +    maxItems: 1
> +
> +  interrupts:
> +    maxItems: 1
> +
> +  '#clock-cells':
> +    description: |

Do not need '|' unless you need to preserve formatting.

> +      See <dt-bindings/clock/rockchip,rk808.h> for clock IDs.
> +    const: 1
> +
> +  clock-output-names:
> +    description:
> +      From common clock binding to override the default output clock name.

Drop description, it's obvious.

> +    maxItems: 2
> +
> +  gpio-controller: true
> +
> +  '#gpio-cells':
> +    const: 2
> +
> +  system-power-controller:
> +    type: boolean
> +    description:
> +      Telling whether or not this PMIC is controlling the system power.
> +
> +  wakeup-source:
> +    type: boolean
> +    description:
> +      Device can be used as a wakeup source.

Drop description, it's obvious. It's considered generic property, even
if we did not document it in dtschema yet.

> +
> +  vcc1-supply:
> +    description:
> +      The input supply for DCDC_REG1.
> +
> +  vcc2-supply:
> +    description:
> +      The input supply for DCDC_REG2.
> +
> +  vcc3-supply:
> +    description:
> +      The input supply for DCDC_REG3.
> +
> +  vcc4-supply:
> +    description:
> +      The input supply for DCDC_REG4.
> +
> +  vcc5-supply:
> +    description:
> +      The input supply for LDO_REG1, LDO_REG2, and LDO_REG3.
> +
> +  vcc6-supply:
> +    description:
> +      The input supply for LDO_REG4, LDO_REG5, and LDO_REG6.
> +
> +  vcc7-supply:
> +    description:
> +      The input supply for BOOST.
> +
> +  vcc8-supply:
> +    description:
> +      The input supply for OTG_SWITCH.
> +
> +  regulators:
> +    type: object
> +    patternProperties:
> +      "^(DCDC_REG[1-4]|LDO_REG[1-6]|BOOST|OTG_SWITCH)$":

Lowercase. No underscores allowed, use hyphens.

> +        type: object
> +        $ref: ../regulator/regulator.yaml#

Full path, so /schemas/regulator/

> +        unevaluatedProperties: false
> +    unevaluatedProperties: false
> +
> +required:
> +  - compatible
> +  - reg
> +  - interrupts
> +  - "#clock-cells"
> +
> +additionalProperties: false
> +
> +examples:


Best regards,
Krzysztof
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/mfd/rockchip,rk816.yaml b/Documentation/devicetree/bindings/mfd/rockchip,rk816.yaml
new file mode 100644
index 000000000000..b46de99f60ff
--- /dev/null
+++ b/Documentation/devicetree/bindings/mfd/rockchip,rk816.yaml
@@ -0,0 +1,259 @@ 
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/mfd/rockchip,rk816.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: RK816 Power Management Integrated Circuit
+
+maintainers:
+  - Chris Zhong <zyw@rock-chips.com>
+  - Zhang Qing <zhangqing@rock-chips.com>
+
+description: |
+  Rockchip RK816 series PMIC. This device consists of an i2c controlled MFD
+  that includes regulators, a RTC, a gpio controller, and a power button.
+
+properties:
+  compatible:
+    enum:
+      - rockchip,rk816
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  '#clock-cells':
+    description: |
+      See <dt-bindings/clock/rockchip,rk808.h> for clock IDs.
+    const: 1
+
+  clock-output-names:
+    description:
+      From common clock binding to override the default output clock name.
+    maxItems: 2
+
+  gpio-controller: true
+
+  '#gpio-cells':
+    const: 2
+
+  system-power-controller:
+    type: boolean
+    description:
+      Telling whether or not this PMIC is controlling the system power.
+
+  wakeup-source:
+    type: boolean
+    description:
+      Device can be used as a wakeup source.
+
+  vcc1-supply:
+    description:
+      The input supply for DCDC_REG1.
+
+  vcc2-supply:
+    description:
+      The input supply for DCDC_REG2.
+
+  vcc3-supply:
+    description:
+      The input supply for DCDC_REG3.
+
+  vcc4-supply:
+    description:
+      The input supply for DCDC_REG4.
+
+  vcc5-supply:
+    description:
+      The input supply for LDO_REG1, LDO_REG2, and LDO_REG3.
+
+  vcc6-supply:
+    description:
+      The input supply for LDO_REG4, LDO_REG5, and LDO_REG6.
+
+  vcc7-supply:
+    description:
+      The input supply for BOOST.
+
+  vcc8-supply:
+    description:
+      The input supply for OTG_SWITCH.
+
+  regulators:
+    type: object
+    patternProperties:
+      "^(DCDC_REG[1-4]|LDO_REG[1-6]|BOOST|OTG_SWITCH)$":
+        type: object
+        $ref: ../regulator/regulator.yaml#
+        unevaluatedProperties: false
+    unevaluatedProperties: false
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - "#clock-cells"
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/pinctrl/rockchip.h>
+    #include <dt-bindings/interrupt-controller/irq.h>
+    #include <dt-bindings/gpio/gpio.h>
+
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        rk816: pmic@1a {
+            compatible = "rockchip,rk816";
+            reg = <0x1a>;
+            interrupt-parent = <&gpio0>;
+            interrupts = <RK_PA2 IRQ_TYPE_LEVEL_LOW>;
+
+            clock-output-names = "xin32k", "rk816-clkout2";
+            pinctrl-names = "default";
+            pinctrl-0 = <&pmic_int_l>;
+            gpio-controller;
+            system-power-controller;
+            wakeup-source;
+            #clock-cells = <1>;
+            #gpio-cells = <2>;
+
+            vcc1-supply = <&vcc_sys>;
+            vcc2-supply = <&vcc_sys>;
+            vcc3-supply = <&vcc_sys>;
+            vcc4-supply = <&vcc_sys>;
+            vcc5-supply = <&vcc33_io>;
+            vcc6-supply = <&vcc_sys>;
+
+            regulators {
+                vdd_cpu: DCDC_REG1 {
+                    regulator-name = "vdd_cpu";
+                    regulator-min-microvolt = <750000>;
+                    regulator-max-microvolt = <1450000>;
+                    regulator-ramp-delay = <6001>;
+                    regulator-initial-mode = <1>;
+                    regulator-always-on;
+                    regulator-boot-on;
+
+                    regulator-state-mem {
+                        regulator-off-in-suspend;
+                    };
+                };
+
+                vdd_logic: DCDC_REG2 {
+                    regulator-name = "vdd_logic";
+                    regulator-min-microvolt = <800000>;
+                    regulator-max-microvolt = <1250000>;
+                    regulator-ramp-delay = <6001>;
+                    regulator-initial-mode = <1>;
+                    regulator-always-on;
+                    regulator-boot-on;
+
+                    regulator-state-mem {
+                        regulator-on-in-suspend;
+                        regulator-suspend-microvolt = <1000000>;
+                    };
+                };
+
+                vcc_ddr: DCDC_REG3 {
+                    regulator-name = "vcc_ddr";
+                    regulator-initial-mode = <1>;
+                    regulator-always-on;
+                    regulator-boot-on;
+
+                    regulator-state-mem {
+                        regulator-on-in-suspend;
+                    };
+                };
+
+                vcc33_io: DCDC_REG4 {
+                    regulator-min-microvolt = <3300000>;
+                    regulator-max-microvolt = <3300000>;
+                    regulator-name = "vcc33_io";
+                    regulator-initial-mode = <1>;
+                    regulator-always-on;
+                    regulator-boot-on;
+
+                    regulator-state-mem {
+                        regulator-on-in-suspend;
+                        regulator-suspend-microvolt = <3300000>;
+                    };
+                };
+
+                vccio_pmu: LDO_REG1 {
+                    regulator-min-microvolt = <3300000>;
+                    regulator-max-microvolt = <3300000>;
+                    regulator-name = "vccio_pmu";
+                    regulator-always-on;
+                    regulator-boot-on;
+
+                    regulator-state-mem {
+                        regulator-on-in-suspend;
+                        regulator-suspend-microvolt = <3300000>;
+                    };
+                };
+
+                vcc_tp: LDO_REG2 {
+                    regulator-min-microvolt = <3300000>;
+                    regulator-max-microvolt = <3300000>;
+                    regulator-name = "vcc_tp";
+
+                    regulator-state-mem {
+                        regulator-off-in-suspend;
+                    };
+                };
+
+                vdd_10: LDO_REG3 {
+                    regulator-min-microvolt = <1000000>;
+                    regulator-max-microvolt = <1000000>;
+                    regulator-name = "vdd_10";
+                    regulator-always-on;
+                    regulator-boot-on;
+
+                    regulator-state-mem {
+                        regulator-on-in-suspend;
+                        regulator-suspend-microvolt = <1000000>;
+                    };
+                };
+
+                vcc18_lcd: LDO_REG4 {
+                    regulator-min-microvolt = <1800000>;
+                    regulator-max-microvolt = <1800000>;
+                    regulator-name = "vcc18_lcd";
+
+                    regulator-state-mem {
+                        regulator-on-in-suspend;
+                        regulator-suspend-microvolt = <1800000>;
+                    };
+                };
+
+                vccio_sd: LDO_REG5 {
+                    regulator-min-microvolt = <1800000>;
+                    regulator-max-microvolt = <3300000>;
+                    regulator-name = "vccio_sd";
+
+                    regulator-state-mem {
+                        regulator-on-in-suspend;
+                        regulator-suspend-microvolt = <3300000>;
+                    };
+                };
+
+                vdd10_lcd: LDO_REG6 {
+                    regulator-min-microvolt = <1000000>;
+                    regulator-max-microvolt = <1000000>;
+                    regulator-name = "vdd10_lcd";
+
+                    regulator-state-mem {
+                        regulator-on-in-suspend;
+                        regulator-suspend-microvolt = <1000000>;
+                    };
+                };
+            };
+        };
+    };