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Message-Id: <20240829150641.1307906-1-Frank.Li@nxp.com>
Date: Thu, 29 Aug 2024 11:06:41 -0400
From: Frank Li <Frank.Li@....com>
To: linux@...ck-us.net
Cc: Frank.li@....com,
broonie@...nel.org,
conor+dt@...nel.org,
devicetree@...r.kernel.org,
imx@...ts.linux.dev,
jdelvare@...e.com,
krzk+dt@...nel.org,
lgirdwood@...il.com,
linux-hwmon@...r.kernel.org,
linux-kernel@...r.kernel.org,
robh@...nel.org
Subject: [PATCH v5 1/1] dt-bindings: hwmon: Convert ltc2978.txt to yaml
Convert binding doc ltc2978.txt to yaml format.
Additional change:
- add i2c node.
- basic it is regulator according to example, move it under regulator.
Fix below warning:
arch/arm64/boot/dts/freescale/fsl-lx2160a-clearfog-cx.dtb: /soc/i2c@...0000/i2c-mux@...i2c@...egulator@5c:
failed to match any schema with compatible: ['lltc,ltc3882']
Signed-off-by: Frank Li <Frank.Li@....com>
---
Change from v4 to v5
- rename to lltc,ltc2978.yaml
Change from v3 to v4
- keep under hwmon directory.
Change from v2 to v3
- put my name into maintainers.
change from v1 to v2
- maintainer change to Mark Brown <broonie@...nel.org> (regulator maintainer)
- update title to (from ltc2978 data sheet).
octal, digital power-supply monitor, supervisor, sequencer, and margin controller.
---
.../bindings/hwmon/lltc,ltc2978.yaml | 94 +++++++++++++++++++
.../devicetree/bindings/hwmon/ltc2978.txt | 62 ------------
2 files changed, 94 insertions(+), 62 deletions(-)
create mode 100644 Documentation/devicetree/bindings/hwmon/lltc,ltc2978.yaml
delete mode 100644 Documentation/devicetree/bindings/hwmon/ltc2978.txt
diff --git a/Documentation/devicetree/bindings/hwmon/lltc,ltc2978.yaml b/Documentation/devicetree/bindings/hwmon/lltc,ltc2978.yaml
new file mode 100644
index 0000000000000..1f98da32f3feb
--- /dev/null
+++ b/Documentation/devicetree/bindings/hwmon/lltc,ltc2978.yaml
@@ -0,0 +1,94 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/hwmon/lltc,ltc2978.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Octal Digital Power-supply monitor/supervisor/sequencer/margin controller.
+
+maintainers:
+ - Frank Li <Frank.Li@....com>
+
+properties:
+ compatible:
+ enum:
+ - lltc,ltc2972
+ - lltc,ltc2974
+ - lltc,ltc2975
+ - lltc,ltc2977
+ - lltc,ltc2978
+ - lltc,ltc2979
+ - lltc,ltc2980
+ - lltc,ltc3880
+ - lltc,ltc3882
+ - lltc,ltc3883
+ - lltc,ltc3884
+ - lltc,ltc3886
+ - lltc,ltc3887
+ - lltc,ltc3889
+ - lltc,ltc7880
+ - lltc,ltm2987
+ - lltc,ltm4664
+ - lltc,ltm4675
+ - lltc,ltm4676
+ - lltc,ltm4677
+ - lltc,ltm4678
+ - lltc,ltm4680
+ - lltc,ltm4686
+ - lltc,ltm4700
+
+ reg:
+ maxItems: 1
+
+ regulators:
+ type: object
+ description: |
+ list of regulators provided by this controller.
+ Valid names of regulators depend on number of supplies supported per device:
+ * ltc2972 vout0 - vout1
+ * ltc2974, ltc2975 : vout0 - vout3
+ * ltc2977, ltc2979, ltc2980, ltm2987 : vout0 - vout7
+ * ltc2978 : vout0 - vout7
+ * ltc3880, ltc3882, ltc3884, ltc3886, ltc3887, ltc3889 : vout0 - vout1
+ * ltc7880 : vout0 - vout1
+ * ltc3883 : vout0
+ * ltm4664 : vout0 - vout1
+ * ltm4675, ltm4676, ltm4677, ltm4678 : vout0 - vout1
+ * ltm4680, ltm4686 : vout0 - vout1
+ * ltm4700 : vout0 - vout1
+
+ patternProperties:
+ "^vout[0-7]$":
+ $ref: /schemas/regulator/regulator.yaml#
+ type: object
+ unevaluatedProperties: false
+
+ additionalProperties: false
+
+required:
+ - compatible
+ - reg
+
+additionalProperties: false
+
+examples:
+ - |
+ i2c {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ regulator@5e {
+ compatible = "lltc,ltc2978";
+ reg = <0x5e>;
+
+ regulators {
+ vout0 {
+ regulator-name = "FPGA-2.5V";
+ };
+ vout2 {
+ regulator-name = "FPGA-1.5V";
+ };
+ };
+ };
+ };
+
diff --git a/Documentation/devicetree/bindings/hwmon/ltc2978.txt b/Documentation/devicetree/bindings/hwmon/ltc2978.txt
deleted file mode 100644
index 4e7f6215a4533..0000000000000
--- a/Documentation/devicetree/bindings/hwmon/ltc2978.txt
+++ /dev/null
@@ -1,62 +0,0 @@
-ltc2978
-
-Required properties:
-- compatible: should contain one of:
- * "lltc,ltc2972"
- * "lltc,ltc2974"
- * "lltc,ltc2975"
- * "lltc,ltc2977"
- * "lltc,ltc2978"
- * "lltc,ltc2979"
- * "lltc,ltc2980"
- * "lltc,ltc3880"
- * "lltc,ltc3882"
- * "lltc,ltc3883"
- * "lltc,ltc3884"
- * "lltc,ltc3886"
- * "lltc,ltc3887"
- * "lltc,ltc3889"
- * "lltc,ltc7880"
- * "lltc,ltm2987"
- * "lltc,ltm4664"
- * "lltc,ltm4675"
- * "lltc,ltm4676"
- * "lltc,ltm4677"
- * "lltc,ltm4678"
- * "lltc,ltm4680"
- * "lltc,ltm4686"
- * "lltc,ltm4700"
-- reg: I2C slave address
-
-Optional properties:
-- regulators: A node that houses a sub-node for each regulator controlled by
- the device. Each sub-node is identified using the node's name, with valid
- values listed below. The content of each sub-node is defined by the
- standard binding for regulators; see regulator.txt.
-
-Valid names of regulators depend on number of supplies supported per device:
- * ltc2972 vout0 - vout1
- * ltc2974, ltc2975 : vout0 - vout3
- * ltc2977, ltc2979, ltc2980, ltm2987 : vout0 - vout7
- * ltc2978 : vout0 - vout7
- * ltc3880, ltc3882, ltc3884, ltc3886, ltc3887, ltc3889 : vout0 - vout1
- * ltc7880 : vout0 - vout1
- * ltc3883 : vout0
- * ltm4664 : vout0 - vout1
- * ltm4675, ltm4676, ltm4677, ltm4678 : vout0 - vout1
- * ltm4680, ltm4686 : vout0 - vout1
- * ltm4700 : vout0 - vout1
-
-Example:
-ltc2978@5e {
- compatible = "lltc,ltc2978";
- reg = <0x5e>;
- regulators {
- vout0 {
- regulator-name = "FPGA-2.5V";
- };
- vout2 {
- regulator-name = "FPGA-1.5V";
- };
- };
-};
--
2.34.1
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