Convert the Synopsis DesignWare dw-apb-ssi binding to DT schema format
using json-schema.
Suggested-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
Signed-off-by: Wan Ahmad Zainie <wan.ahmad.zainie.wan.mohamad@xxxxxxxxx>
---
.../bindings/spi/snps,dw-apb-ssi.txt | 42 -----------
.../bindings/spi/snps,dw-apb-ssi.yaml | 72 +++++++++++++++++++
2 files changed, 72 insertions(+), 42 deletions(-)
delete mode 100644 Documentation/devicetree/bindings/spi/snps,dw-apb-ssi.txt
create mode 100644 Documentation/devicetree/bindings/spi/snps,dw-apb-ssi.yaml
diff --git a/Documentation/devicetree/bindings/spi/snps,dw-apb-ssi.txt b/Documentation/devicetree/bindings/spi/snps,dw-apb-ssi.txt
deleted file mode 100644
index 7a4702edf896..000000000000
--- a/Documentation/devicetree/bindings/spi/snps,dw-apb-ssi.txt
+++ /dev/null
@@ -1,42 +0,0 @@
-Synopsys DesignWare AMBA 2.0 Synchronous Serial Interface.
-
-Required properties:
-- compatible : "snps,dw-apb-ssi" or "mscc,<soc>-spi", where soc is "ocelot" or
- "jaguar2", or "amazon,alpine-dw-apb-ssi", or "snps,dwc-ssi-1.01a" or
- "intel,keembay-ssi"
-- reg : The register base for the controller. For "mscc,<soc>-spi", a second
- register set is required (named ICPU_CFG:SPI_MST)
-- interrupts : One interrupt, used by the controller.
-- #address-cells : <1>, as required by generic SPI binding.
-- #size-cells : <0>, also as required by generic SPI binding.
-- clocks : phandles for the clocks, see the description of clock-names below.
- The phandle for the "ssi_clk" is required. The phandle for the "pclk" clock
- is optional. If a single clock is specified but no clock-name, it is the
- "ssi_clk" clock. If both clocks are listed, the "ssi_clk" must be first.
-
-Optional properties:
-- clock-names : Contains the names of the clocks:
- "ssi_clk", for the core clock used to generate the external SPI clock.
- "pclk", the interface clock, required for register access. If a clock domain
- used to enable this clock then it should be named "pclk_clkdomain".
-- cs-gpios : Specifies the gpio pins to be used for chipselects.
-- num-cs : The number of chipselects. If omitted, this will default to 4.
-- reg-io-width : The I/O register width (in bytes) implemented by this
- device. Supported values are 2 or 4 (the default).
-
-Child nodes as per the generic SPI binding.
-
-Example:
-
- spi@fff00000 {
- compatible = "snps,dw-apb-ssi";
- reg = <0xfff00000 0x1000>;
- interrupts = <0 154 4>;
- #address-cells = <1>;
- #size-cells = <0>;
- clocks = <&spi_m_clk>;
- num-cs = <2>;
- cs-gpios = <&gpio0 13 0>,
- <&gpio0 14 0>;
- };
-
diff --git a/Documentation/devicetree/bindings/spi/snps,dw-apb-ssi.yaml b/Documentation/devicetree/bindings/spi/snps,dw-apb-ssi.yaml
new file mode 100644
index 000000000000..edc1e6fb9993
--- /dev/null
+++ b/Documentation/devicetree/bindings/spi/snps,dw-apb-ssi.yaml
@@ -0,0 +1,72 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/spi/snps,dw-apb-ssi.yaml#";
+$schema: "http://devicetree.org/meta-schemas/core.yaml#";
+
+title: Synopsys DesignWare AMBA 2.0 Synchronous Serial Interface
+
+maintainers:
+ - Wan Ahmad Zainie <wan.ahmad.zainie.wan.mohamad@xxxxxxxxx>
+
+allOf:
+ - $ref: "spi-controller.yaml#"
+
+properties:
+ compatible:
+ enum:
+ - mscc,ocelot-spi
+ - mscc,jaguar2-spi
+ - amazon,alpine-dw-apb-ssi
+ - snps,dw-apb-ssi
+ - snps,dwc-ssi-1.01a
+ - intel,keembay-ssi
+
+ reg:
+ minItems: 1
+ maxItems: 2
+ items:
+ - description: The register base for the controller.
+ - description: For "mscc,<soc>-spi", a second register set is required.
+
+ interrupts:
+ maxItems: 1
+
+ clocks:
+ minItems: 1
+ maxItems: 2
+ items:
+ - description: The core clock used to generate the external SPI clock.
+ - description: The interface clock required for register access.
+
+ clock-names:
+ items:
+ - const: ssi_clk
+ - const: pclk
+
+ reg-io-width:
+ allOf:
+ - $ref: /schemas/types.yaml#/definitions/uint32
+ - enum: [ 2, 4 ]
+ - default: 4
+ description: The I/O register width (in bytes) implemented by this device.
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - clocks
+
+examples:
+ - |
+ spi@fff00000 {
+ compatible = "snps,dw-apb-ssi";
+ reg = <0xfff00000 0x1000>;
+ interrupts = <0 154 4>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ clocks = <&spi_m_clk>;
+ num-cs = <2>;
+ cs-gpios = <&gpio0 13 0>,
+ <&gpio0 14 0>;
+ };
--
2.17.1
