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Message-Id: <1587478181-21226-1-git-send-email-Anson.Huang@nxp.com>
Date: Tue, 21 Apr 2020 22:09:39 +0800
From: Anson Huang <Anson.Huang@....com>
To: srinivas.kandagatla@...aro.org, robh+dt@...nel.org,
shawnguo@...nel.org, s.hauer@...gutronix.de, kernel@...gutronix.de,
festevam@...il.com, devicetree@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Cc: Linux-imx@....com
Subject: [PATCH V2 1/3] dt-bindings: nvmem: Convert i.MX OCOTP to json-schema
Convert the i.MX OCOTP binding to DT schema format using json-schema.
Signed-off-by: Anson Huang <Anson.Huang@....com>
---
Changes since V1:
- improve compatible;
- drop clocks description.
---
.../devicetree/bindings/nvmem/imx-ocotp.txt | 50 ------------
.../devicetree/bindings/nvmem/imx-ocotp.yaml | 95 ++++++++++++++++++++++
2 files changed, 95 insertions(+), 50 deletions(-)
delete mode 100644 Documentation/devicetree/bindings/nvmem/imx-ocotp.txt
create mode 100644 Documentation/devicetree/bindings/nvmem/imx-ocotp.yaml
diff --git a/Documentation/devicetree/bindings/nvmem/imx-ocotp.txt b/Documentation/devicetree/bindings/nvmem/imx-ocotp.txt
deleted file mode 100644
index 6e346d5..0000000
--- a/Documentation/devicetree/bindings/nvmem/imx-ocotp.txt
+++ /dev/null
@@ -1,50 +0,0 @@
-Freescale i.MX6 On-Chip OTP Controller (OCOTP) device tree bindings
-
-This binding represents the on-chip eFuse OTP controller found on
-i.MX6Q/D, i.MX6DL/S, i.MX6SL, i.MX6SX, i.MX6UL, i.MX6ULL/ULZ, i.MX6SLL,
-i.MX7D/S, i.MX7ULP, i.MX8MQ, i.MX8MM, i.MX8MN and i.MX8MP SoCs.
-
-Required properties:
-- compatible: should be one of
- "fsl,imx6q-ocotp" (i.MX6Q/D/DL/S),
- "fsl,imx6sl-ocotp" (i.MX6SL), or
- "fsl,imx6sx-ocotp" (i.MX6SX),
- "fsl,imx6ul-ocotp" (i.MX6UL),
- "fsl,imx6ull-ocotp" (i.MX6ULL/ULZ),
- "fsl,imx7d-ocotp" (i.MX7D/S),
- "fsl,imx6sll-ocotp" (i.MX6SLL),
- "fsl,imx7ulp-ocotp" (i.MX7ULP),
- "fsl,imx8mq-ocotp" (i.MX8MQ),
- "fsl,imx8mm-ocotp" (i.MX8MM),
- "fsl,imx8mn-ocotp" (i.MX8MN),
- "fsl,imx8mp-ocotp" (i.MX8MP),
- followed by "syscon".
-- #address-cells : Should be 1
-- #size-cells : Should be 1
-- reg: Should contain the register base and length.
-- clocks: Should contain a phandle pointing to the gated peripheral clock.
-
-Optional properties:
-- read-only: disable write access
-
-Optional Child nodes:
-
-- Data cells of ocotp:
- Detailed bindings are described in bindings/nvmem/nvmem.txt
-
-Example:
- ocotp: ocotp@...c000 {
- #address-cells = <1>;
- #size-cells = <1>;
- compatible = "fsl,imx6sx-ocotp", "syscon";
- reg = <0x021bc000 0x4000>;
- clocks = <&clks IMX6SX_CLK_OCOTP>;
-
- tempmon_calib: calib@38 {
- reg = <0x38 4>;
- };
-
- tempmon_temp_grade: temp-grade@20 {
- reg = <0x20 4>;
- };
- };
diff --git a/Documentation/devicetree/bindings/nvmem/imx-ocotp.yaml b/Documentation/devicetree/bindings/nvmem/imx-ocotp.yaml
new file mode 100644
index 0000000..fe9c7df
--- /dev/null
+++ b/Documentation/devicetree/bindings/nvmem/imx-ocotp.yaml
@@ -0,0 +1,95 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/nvmem/imx-ocotp.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Freescale i.MX6 On-Chip OTP Controller (OCOTP) device tree bindings
+
+maintainers:
+ - Anson Huang <Anson.Huang@....com>
+
+description: |
+ This binding represents the on-chip eFuse OTP controller found on
+ i.MX6Q/D, i.MX6DL/S, i.MX6SL, i.MX6SX, i.MX6UL, i.MX6ULL/ULZ, i.MX6SLL,
+ i.MX7D/S, i.MX7ULP, i.MX8MQ, i.MX8MM, i.MX8MN and i.MX8MP SoCs.
+
+allOf:
+ - $ref: "nvmem.yaml#"
+
+properties:
+ compatible:
+ items:
+ - enum:
+ - fsl,imx6q-ocotp
+ - fsl,imx6sl-ocotp
+ - fsl,imx6sx-ocotp
+ - fsl,imx6ul-ocotp
+ - fsl,imx6ull-ocotp
+ - fsl,imx7d-ocotp
+ - fsl,imx6sll-ocotp
+ - fsl,imx7ulp-ocotp
+ - fsl,imx8mq-ocotp
+ - fsl,imx8mm-ocotp
+ - fsl,imx8mn-ocotp
+ - fsl,imx8mp-ocotp
+ - const: syscon
+
+ reg:
+ maxItems: 1
+
+ "#address-cells":
+ const: 1
+
+ "#size-cells":
+ const: 1
+
+ clocks:
+ maxItems: 1
+
+required:
+ - "#address-cells"
+ - "#size-cells"
+ - compatible
+ - reg
+
+patternProperties:
+ "^.*@[0-9a-f]+$":
+ type: object
+
+ properties:
+ reg:
+ maxItems: 1
+ description:
+ Offset and size in bytes within the storage device.
+
+ required:
+ - reg
+
+ additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/imx6sx-clock.h>
+
+ ocotp: efuse@...c000 {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ compatible = "fsl,imx6sx-ocotp", "syscon";
+ reg = <0x021bc000 0x4000>;
+ clocks = <&clks IMX6SX_CLK_OCOTP>;
+
+ cpu_speed_grade: speed-grade@10 {
+ reg = <0x10 4>;
+ };
+
+ tempmon_calib: calib@38 {
+ reg = <0x38 4>;
+ };
+
+ tempmon_temp_grade: temp-grade@20 {
+ reg = <0x20 4>;
+ };
+ };
+
+...
--
2.7.4
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