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Date: Wed, 7 Dec 2022 12:08:41 +0300
From: Okan Sahin <okan.sahin@...log.com>
To: <outreachy@...ts.linux.dev>
CC: Okan Sahin <okan.sahin@...log.com>, Lee Jones <lee@...nel.org>,
"Rob Herring" <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Liam Girdwood <lgirdwood@...il.com>,
Mark Brown <broonie@...nel.org>,
Jonathan Cameron <jic23@...nel.org>,
Lars-Peter Clausen <lars@...afoo.de>,
Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
Geert Uytterhoeven <geert+renesas@...der.be>,
Manish Narani <manish.narani@...inx.com>,
"Marcelo Schmitt" <marcelo.schmitt1@...il.com>,
Caleb Connolly <caleb.connolly@...aro.org>,
Marcus Folkesson <marcus.folkesson@...il.com>,
ChiYuan Huang <cy_huang@...htek.com>,
Anand Ashok Dumbre <anand.ashok.dumbre@...inx.com>,
Ramona Bolboaca <ramona.bolboaca@...log.com>,
William Breathitt Gray <william.gray@...aro.org>,
<linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>,
<linux-iio@...r.kernel.org>
Subject: [PATCH 2/5] staging: dt-bindings: mfd: adi,max77541.yaml Add MAX77541 bindings
This patch adds document the bindings for MAX77541 MFD driver. It also
includes MAX77540 driver whose regmap is covered by MAX77541.
Signed-off-by: Okan Sahin <okan.sahin@...log.com>
---
.../devicetree/bindings/mfd/adi,max77541.yaml | 134 ++++++++++++++++++
MAINTAINERS | 1 +
2 files changed, 135 insertions(+)
create mode 100644 Documentation/devicetree/bindings/mfd/adi,max77541.yaml
diff --git a/Documentation/devicetree/bindings/mfd/adi,max77541.yaml b/Documentation/devicetree/bindings/mfd/adi,max77541.yaml
new file mode 100644
index 000000000000..205953e6dd15
--- /dev/null
+++ b/Documentation/devicetree/bindings/mfd/adi,max77541.yaml
@@ -0,0 +1,134 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/mfd/adi,max77541.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: MAX77540/MAX77541 PMIC from ADI.
+
+maintainers:
+ - Okan Sahin <okan.sahin@...log.com>
+
+description: |
+ MAX77540 is a Power Management IC with 2 buck regulators.
+
+ MAX77541 is a Power Management IC with 2 buck regulators and 1 ADC.
+
+properties:
+ compatible:
+ enum:
+ - adi,max77540
+ - adi,max77541
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ regulators:
+ $ref: /schemas/regulator/adi,max77541.yaml#
+
+ adc:
+ type: object
+ additionalProperties: false
+ properties:
+ compatible:
+ const: adi,max77541-adc
+ required:
+ -compatible
+
+required:
+ - compatible
+ - reg
+ - interrupts
+
+allOf:
+ - if:
+ properties:
+ compatible:
+ contains:
+ const: adi,max77540
+ then:
+ properties:
+ regulator:
+ properties:
+ compatible:
+ const: adi,max77540-regulator
+ else:
+ properties:
+ regulator:
+ properties:
+ compatible:
+ const: adi,max77541-regulator
+ adc:
+ properties:
+ compatible:
+ const: adi,max77541-adc
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/irq.h>
+
+ i2c {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ pmic@69 {
+ compatible = "adi,max77540";
+ reg = <0x69>;
+ interrupt-parent = <&gpio>;
+ interrupts = <16 IRQ_TYPE_EDGE_FALLING>;
+
+ regulators {
+ buck1 {
+ regulator-min-microvolt = <500000>;
+ regulator-max-microvolt = <5200000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+ buck2 {
+ regulator-min-microvolt = <500000>;
+ regulator-max-microvolt = <5200000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+ };
+ };
+ };
+
+ - |
+ #include <dt-bindings/interrupt-controller/irq.h>
+
+ i2c {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ pmic@69 {
+ compatible = "adi,max77541";
+ reg = <0x63>;
+ interrupt-parent = <&gpio>;
+ interrupts = <16 IRQ_TYPE_EDGE_FALLING>;
+
+ regulators {
+ buck1 {
+ regulator-min-microvolt = <500000>;
+ regulator-max-microvolt = <5200000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+ buck2 {
+ regulator-min-microvolt = <500000>;
+ regulator-max-microvolt = <5200000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+ };
+
+ adc {
+ compatible = "adi,max77541-adc";
+ }
+ };
+ };
\ No newline at end of file
diff --git a/MAINTAINERS b/MAINTAINERS
index af94d06bb9f0..22f5a9c490e3 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -12501,6 +12501,7 @@ MAXIM MAX77541 PMIC MFD DRIVER
M: Okan Sahin <okan.sahin@...log.com>
L: linux-kernel@...r.kernel.org
S: Maintained
+F: Documentation/devicetree/bindings/mfd/adi,max77541.yaml
F: drivers/mfd/max77541.c
F: include/linux/mfd/max77541.h
--
2.30.2
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