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Message-Id: <20241230-k1-p1-v1-1-aa4e02b9f993@gmail.com>
Date: Mon, 30 Dec 2024 18:02:05 +0800
From: Troy Mitchell <troymitchell988@...il.com>
To: Lee Jones <lee@...nel.org>, Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>,
Troy Mitchell <troymitchell988@...il.com>
Cc: linux-riscv@...ts.infradead.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, Troy Mitchell <TroyMitchell988@...il.com>
Subject: [PATCH 1/2] dt-bindings: mfd: add support for P1 from SpacemiT
P1 PMIC contains of regulator, pinctrl, pwrkey and rtc.
P1 contains a load switch, which allows you to control
whether a device is powered on (such as a MIPI screen)
Signed-off-by: Troy Mitchell <TroyMitchell988@...il.com>
---
.../devicetree/bindings/mfd/spacemit,p1.yaml | 153 +++++++++++++++++++++
1 file changed, 153 insertions(+)
diff --git a/Documentation/devicetree/bindings/mfd/spacemit,p1.yaml b/Documentation/devicetree/bindings/mfd/spacemit,p1.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..7475d403aeb3d0e72ffa9b6fbcbb6545d5bc429f
--- /dev/null
+++ b/Documentation/devicetree/bindings/mfd/spacemit,p1.yaml
@@ -0,0 +1,153 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/mfd/spacemit,p1.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: P1 Power Management Integrated Circuit
+
+maintainers:
+ - Troy Mitchell <troymitchell988@...il.com>
+
+description:
+ PMIC chip P1 produced by SpacemiT. The device consists of I2C controlled MFD,
+ which contains regulator, pinctrl, pwrkey and rtc.
+
+properties:
+ compatible:
+ const: spacemit,p1-pmic
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ regulators:
+ type: object
+
+ properties:
+ compatible:
+ const: pmic,p1-regulator
+
+ required:
+ - compatible
+
+ patternProperties:
+ "^(dcdc-reg[1-6]|aldo-reg[1-4]|dldo-reg[1-7]|switch)$":
+ type: object
+ $ref: /schemas/regulator/regulator.yaml#
+ unevaluatedProperties: false
+
+ unevaluatedProperties: false
+
+ pinctrl:
+ type: object
+
+ properties:
+ compatible:
+ const: pmic,p1-pinctrl
+
+ "#gpio-cells":
+ const: 2
+
+ gpio-controller: true
+
+ required:
+ - compatible
+ - "#gpio-cells"
+ - gpio-controller
+
+ unevaluatedProperties: false
+
+ pwrkey:
+ type: object
+ $ref: /schemas/input/input.yaml#
+
+ properties:
+ compatible:
+ const: pmic,p1-pwrkey
+
+ required:
+ - compatible
+
+ unevaluatedProperties: false
+
+ rtc:
+ type: object
+ $ref: /schemas/rtc/rtc.yaml#
+
+ properties:
+ compatible:
+ const: pmic,p1-rtc
+
+ required:
+ - compatible
+
+ unevaluatedProperties: false
+
+
+required:
+ - compatible
+ - reg
+ - interrupts
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ i2c {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ pmic@41 {
+ compatible = "spacemit,p1";
+ reg = <0x41>;
+ interrupt-parent = <&intc>;
+ interrupts = <64>;
+
+ regulators {
+ compatible = "pmic,p1-regulator";
+
+ dcdc-reg1 {
+ regulator-name = "dcdc1";
+ regulator-min-microvolt = <500000>;
+ regulator-max-microvolt = <3450000>;
+ regulator-ramp-delay = <5000>;
+ regulator-always-on;
+ };
+
+ aldo-reg1 {
+ regulator-name = "aldo1";
+ regulator-min-microvolt = <500000>;
+ regulator-max-microvolt = <3400000>;
+ regulator-boot-on;
+ };
+
+ dldo-reg1 {
+ regulator-name = "dldo1";
+ regulator-min-microvolt = <500000>;
+ regulator-max-microvolt = <3400000>;
+ regulator-boot-on;
+ };
+
+ switch {
+ regulator-name = "switch";
+ };
+ };
+
+ pinctrl {
+ compatible = "pmic,p1-pinctrl";
+ gpio-controller;
+ #gpio-cells = <2>;
+ };
+
+ pwrkey {
+ compatible = "pmic,p1-pwrkey";
+ };
+
+ rtc {
+ compatible = "pmic,p1-rtc";
+ };
+ };
+ };
--
2.34.1
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