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Message-ID: <20240323085852.116756-2-knaerzche@gmail.com>
Date: Sat, 23 Mar 2024 09:58:48 +0100
From: Alex Bee <knaerzche@...il.com>
To: Lee Jones <lee@...nel.org>,
Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Conor Dooley <conor+dt@...nel.org>,
Heiko Stuebner <heiko@...ech.de>,
Linus Walleij <linus.walleij@...aro.org>,
Liam Girdwood <lgirdwood@...il.com>,
Mark Brown <broonie@...nel.org>
Cc: Chris Zhong <zyw@...k-chips.com>,
Zhang Qing <zhangqing@...k-chips.com>,
devicetree@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org,
linux-rockchip@...ts.infradead.org,
linux-kernel@...r.kernel.org,
linux-gpio@...r.kernel.org,
Alex Bee <knaerzche@...il.com>
Subject: [PATCH v2 1/5] dt-bindings: mfd: Add rk816 binding
Add DT binding document for Rockchip's RK816 PMIC
Signed-off-by: Alex Bee <knaerzche@...il.com>
---
changes since v1:
- lowercase/hyphens for regulator node names
- rename "-reg" to "-regulator" to make node names generic
- dropped superfluous description for clock-output-names and
wakeup-source
- dropped "|" for text blocks that don't require to preserve formatting
- use full path for `$ref`s
- added pins description to the binding
- added charger function to description
.../bindings/mfd/rockchip,rk816.yaml | 269 ++++++++++++++++++
1 file changed, 269 insertions(+)
create mode 100644 Documentation/devicetree/bindings/mfd/rockchip,rk816.yaml
diff --git a/Documentation/devicetree/bindings/mfd/rockchip,rk816.yaml b/Documentation/devicetree/bindings/mfd/rockchip,rk816.yaml
new file mode 100644
index 000000000000..9664162f4f75
--- /dev/null
+++ b/Documentation/devicetree/bindings/mfd/rockchip,rk816.yaml
@@ -0,0 +1,269 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/mfd/rockchip,rk816.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: RK816 Power Management Integrated Circuit
+
+maintainers:
+ - Chris Zhong <zyw@...k-chips.com>
+ - Zhang Qing <zhangqing@...k-chips.com>
+
+description:
+ Rockchip RK816 series PMIC. This device consists of an i2c controlled MFD
+ that includes regulators, a RTC, a GPIO controller, a power button, and a
+ battery charger manager with fuel gauge.
+
+properties:
+ compatible:
+ enum:
+ - rockchip,rk816
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ '#clock-cells':
+ description:
+ See <dt-bindings/clock/rockchip,rk808.h> for clock IDs.
+ const: 1
+
+ clock-output-names:
+ maxItems: 2
+
+ gpio-controller: true
+
+ '#gpio-cells':
+ const: 2
+
+ system-power-controller:
+ type: boolean
+ description:
+ Telling whether or not this PMIC is controlling the system power.
+
+ wakeup-source:
+ type: boolean
+
+ vcc1-supply:
+ description:
+ The input supply for dcdc1-regulator.
+
+ vcc2-supply:
+ description:
+ The input supply for dcdc2-regulator.
+
+ vcc3-supply:
+ description:
+ The input supply for dcdc3-regulator.
+
+ vcc4-supply:
+ description:
+ The input supply for dcdc4-regulator.
+
+ vcc5-supply:
+ description:
+ The input supply for ldo1-regulator, ldo2-regulator, and ldo3-regulator.
+
+ vcc6-supply:
+ description:
+ The input supply for ldo4-regulator, ldo5-regulator, and ldo6-regulator.
+
+ vcc7-supply:
+ description:
+ The input supply for boost.
+
+ vcc8-supply:
+ description:
+ The input supply for otg-switch.
+
+ regulators:
+ type: object
+ patternProperties:
+ "^(boost|dcdc[1-4]-regulator|ldo[1-6]-regulator|otg-switch)$":
+ type: object
+ $ref: /schemas/regulator/regulator.yaml#
+ unevaluatedProperties: false
+ unevaluatedProperties: false
+
+patternProperties:
+ '-pins$':
+ type: object
+ additionalProperties: false
+ $ref: /schemas/pinctrl/pinmux-node.yaml
+
+ properties:
+ function:
+ enum: [pin_fun_gpio, pin_fun_thermistor]
+
+ pins:
+ $ref: /schemas/types.yaml#/definitions/string
+ const: gpio0
+
+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: dcdc1-regulator {
+ 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: dcdc2-regulator {
+ 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: dcdc3-regulator {
+ regulator-name = "vcc_ddr";
+ regulator-initial-mode = <1>;
+ regulator-always-on;
+ regulator-boot-on;
+
+ regulator-state-mem {
+ regulator-on-in-suspend;
+ };
+ };
+
+ vcc33_io: dcdc4-regulator {
+ 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: ldo1-regulator {
+ 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: ldo2-regulator {
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-name = "vcc_tp";
+
+ regulator-state-mem {
+ regulator-off-in-suspend;
+ };
+ };
+
+ vdd_10: ldo3-regulator {
+ 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: ldo4-regulator {
+ 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: ldo5-regulator {
+ 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: ldo6-regulator {
+ regulator-min-microvolt = <1000000>;
+ regulator-max-microvolt = <1000000>;
+ regulator-name = "vdd10_lcd";
+
+ regulator-state-mem {
+ regulator-on-in-suspend;
+ regulator-suspend-microvolt = <1000000>;
+ };
+ };
+ };
+ };
+ };
--
2.43.2
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