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Message-Id: <1590982520-5437-1-git-send-email-Anson.Huang@nxp.com>
Date: Mon, 1 Jun 2020 11:35:20 +0800
From: Anson Huang <Anson.Huang@....com>
To: rui.zhang@...el.com, daniel.lezcano@...aro.org,
amit.kucheria@...durent.com, robh+dt@...nel.org,
hongtao.jia@...escale.com, linux-pm@...r.kernel.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Cc: Linux-imx@....com
Subject: [PATCH V2] dt-bindings: thermal: Convert qoriq to json-schema
Convert the qoriq thermal binding to DT schema format using json-schema
Signed-off-by: Anson Huang <Anson.Huang@....com>
---
Changes since V1:
- add 'maxItems' for 'fsl,tmu-range' property;
- add 'minItems'/'maxItems' and items descriptions for 'fsl,tmu-calibration' property;
- remove description for common property '#thermal-sensor-cells';
- refine 'fsl,tmu-calibration' format in example.
---
.../devicetree/bindings/thermal/qoriq-thermal.txt | 71 -------------
.../devicetree/bindings/thermal/qoriq-thermal.yaml | 112 +++++++++++++++++++++
2 files changed, 112 insertions(+), 71 deletions(-)
delete mode 100644 Documentation/devicetree/bindings/thermal/qoriq-thermal.txt
create mode 100644 Documentation/devicetree/bindings/thermal/qoriq-thermal.yaml
diff --git a/Documentation/devicetree/bindings/thermal/qoriq-thermal.txt b/Documentation/devicetree/bindings/thermal/qoriq-thermal.txt
deleted file mode 100644
index 28f2cba..0000000
--- a/Documentation/devicetree/bindings/thermal/qoriq-thermal.txt
+++ /dev/null
@@ -1,71 +0,0 @@
-* Thermal Monitoring Unit (TMU) on Freescale QorIQ SoCs
-
-Required properties:
-- compatible : Must include "fsl,qoriq-tmu" or "fsl,imx8mq-tmu". The
- version of the device is determined by the TMU IP Block Revision
- Register (IPBRR0) at offset 0x0BF8.
- Table of correspondences between IPBRR0 values and example chips:
- Value Device
- ---------- -----
- 0x01900102 T1040
-- reg : Address range of TMU registers.
-- interrupts : Contains the interrupt for TMU.
-- fsl,tmu-range : The values to be programmed into TTRnCR, as specified by
- the SoC reference manual. The first cell is TTR0CR, the second is
- TTR1CR, etc.
-- fsl,tmu-calibration : A list of cell pairs containing temperature
- calibration data, as specified by the SoC reference manual.
- The first cell of each pair is the value to be written to TTCFGR,
- and the second is the value to be written to TSCFGR.
-- #thermal-sensor-cells : Must be 1. The sensor specifier is the monitoring
- site ID, and represents the "n" in TRITSRn and TRATSRn.
-
-Optional property:
-- little-endian : If present, the TMU registers are little endian. If absent,
- the default is big endian.
-- clocks : the clock for clocking the TMU silicon.
-
-Example:
-
-tmu@...00 {
- compatible = "fsl,qoriq-tmu";
- reg = <0xf0000 0x1000>;
- interrupts = <18 2 0 0>;
- fsl,tmu-range = <0x000a0000 0x00090026 0x0008004a 0x0001006a>;
- fsl,tmu-calibration = <0x00000000 0x00000025
- 0x00000001 0x00000028
- 0x00000002 0x0000002d
- 0x00000003 0x00000031
- 0x00000004 0x00000036
- 0x00000005 0x0000003a
- 0x00000006 0x00000040
- 0x00000007 0x00000044
- 0x00000008 0x0000004a
- 0x00000009 0x0000004f
- 0x0000000a 0x00000054
-
- 0x00010000 0x0000000d
- 0x00010001 0x00000013
- 0x00010002 0x00000019
- 0x00010003 0x0000001f
- 0x00010004 0x00000025
- 0x00010005 0x0000002d
- 0x00010006 0x00000033
- 0x00010007 0x00000043
- 0x00010008 0x0000004b
- 0x00010009 0x00000053
-
- 0x00020000 0x00000010
- 0x00020001 0x00000017
- 0x00020002 0x0000001f
- 0x00020003 0x00000029
- 0x00020004 0x00000031
- 0x00020005 0x0000003c
- 0x00020006 0x00000042
- 0x00020007 0x0000004d
- 0x00020008 0x00000056
-
- 0x00030000 0x00000012
- 0x00030001 0x0000001d>;
- #thermal-sensor-cells = <1>;
-};
diff --git a/Documentation/devicetree/bindings/thermal/qoriq-thermal.yaml b/Documentation/devicetree/bindings/thermal/qoriq-thermal.yaml
new file mode 100644
index 0000000..c5df999
--- /dev/null
+++ b/Documentation/devicetree/bindings/thermal/qoriq-thermal.yaml
@@ -0,0 +1,112 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/thermal/qoriq-thermal.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Thermal Monitoring Unit (TMU) on Freescale QorIQ SoCs
+
+maintainers:
+ - Hongtao Jia <hongtao.jia@...escale.com>
+
+properties:
+ compatible:
+ description: |
+ The version of the device is determined by the TMU IP Block Revision
+ Register (IPBRR0) at offset 0x0BF8.
+ Table of correspondences between IPBRR0 values and example chips:
+ Value Device
+ ---------- -----
+ 0x01900102 T1040
+ enum:
+ - fsl,qoriq-tmu
+ - fsl,imx8mq-tmu
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ fsl,tmu-range:
+ $ref: '/schemas/types.yaml#/definitions/uint32-array'
+ description: |
+ The values to be programmed into TTRnCR, as specified by the SoC
+ reference manual. The first cell is TTR0CR, the second is TTR1CR, etc.
+ maxItems: 4
+
+ fsl,tmu-calibration:
+ $ref: '/schemas/types.yaml#/definitions/uint32-matrix'
+ description: |
+ A list of cell pairs containing temperature calibration data, as
+ specified by the SoC reference manual. The first cell of each pair
+ is the value to be written to TTCFGR, and the second is the value
+ to be written to TSCFGR.
+ items:
+ items:
+ - description: value for TTCFGR
+ - description: value for TSCFGR
+ minItems: 1
+ maxItems: 64
+
+ little-endian:
+ description: |
+ boolean, if present, the TMU registers are little endian. If absent,
+ the default is big endian.
+ type: boolean
+
+ clocks:
+ maxItems: 1
+
+ "#thermal-sensor-cells":
+ const: 1
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - fsl,tmu-range
+ - fsl,tmu-calibration
+ - '#thermal-sensor-cells'
+
+examples:
+ - |
+ tmu@...00 {
+ compatible = "fsl,qoriq-tmu";
+ reg = <0xf0000 0x1000>;
+ interrupts = <18 2 0 0>;
+ fsl,tmu-range = <0x000a0000 0x00090026 0x0008004a 0x0001006a>;
+ fsl,tmu-calibration = <0x00000000 0x00000025>,
+ <0x00000001 0x00000028>,
+ <0x00000002 0x0000002d>,
+ <0x00000003 0x00000031>,
+ <0x00000004 0x00000036>,
+ <0x00000005 0x0000003a>,
+ <0x00000006 0x00000040>,
+ <0x00000007 0x00000044>,
+ <0x00000008 0x0000004a>,
+ <0x00000009 0x0000004f>,
+ <0x0000000a 0x00000054>,
+ <0x00010000 0x0000000d>,
+ <0x00010001 0x00000013>,
+ <0x00010002 0x00000019>,
+ <0x00010003 0x0000001f>,
+ <0x00010004 0x00000025>,
+ <0x00010005 0x0000002d>,
+ <0x00010006 0x00000033>,
+ <0x00010007 0x00000043>,
+ <0x00010008 0x0000004b>,
+ <0x00010009 0x00000053>,
+ <0x00020000 0x00000010>,
+ <0x00020001 0x00000017>,
+ <0x00020002 0x0000001f>,
+ <0x00020003 0x00000029>,
+ <0x00020004 0x00000031>,
+ <0x00020005 0x0000003c>,
+ <0x00020006 0x00000042>,
+ <0x00020007 0x0000004d>,
+ <0x00020008 0x00000056>,
+ <0x00030000 0x00000012>,
+ <0x00030001 0x0000001d>;
+ #thermal-sensor-cells = <1>;
+ };
--
2.7.4
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