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Message-Id: <20240813154444.3886690-1-Frank.Li@nxp.com>
Date: Tue, 13 Aug 2024 11:44:43 -0400
From: Frank Li <Frank.Li@....com>
To: Mark Brown <broonie@...nel.org>,
Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>,
linux-spi@...r.kernel.org (open list:SPI SUBSYSTEM),
devicetree@...r.kernel.org (open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS),
linux-kernel@...r.kernel.org (open list)
Cc: imx@...ts.linux.dev
Subject: [PATCH v2 1/1] spi: dt-bindings: convert spi-sc18is602.txt to yaml format
Convert binding doc spi-sc18is602.txt (I2C to SPI bridge) to yaml.
Additional change:
- ref spi-controller.yaml
Fix below warning:
arch/arm64/boot/dts/freescale/fsl-lx2160a-bluebox3.dtb:
/soc/i2c@...0000/i2c-mux@...i2c@...2c-mux@...i2c@...pi@28: failed to match any schema with compatible: ['nxp,sc18is602b']
Reviewed-by: Rob Herring (Arm) <robh@...nel.org>
Signed-off-by: Frank Li <Frank.Li@....com>
---
Change from v1 to v2
- fix typo SCIS603
- drop "default frequency (7372000) will be used"
- Add Rob review tag
---
.../devicetree/bindings/spi/nxp,sc18is.yaml | 51 +++++++++++++++++++
.../devicetree/bindings/spi/spi-sc18is602.txt | 23 ---------
2 files changed, 51 insertions(+), 23 deletions(-)
create mode 100644 Documentation/devicetree/bindings/spi/nxp,sc18is.yaml
delete mode 100644 Documentation/devicetree/bindings/spi/spi-sc18is602.txt
diff --git a/Documentation/devicetree/bindings/spi/nxp,sc18is.yaml b/Documentation/devicetree/bindings/spi/nxp,sc18is.yaml
new file mode 100644
index 0000000000000..43753a94837c4
--- /dev/null
+++ b/Documentation/devicetree/bindings/spi/nxp,sc18is.yaml
@@ -0,0 +1,51 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/spi/nxp,sc18is.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: NXP SC18IS602/SC18IS603 I2C to SPI bridge
+
+maintainers:
+ - Frank Li <Frank.Li@....com>
+
+properties:
+ compatible:
+ enum:
+ - nxp,sc18is602
+ - nxp,sc18is602b
+ - nxp,sc18is603
+
+ reg:
+ maxItems: 1
+
+ clock-frequency:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ default: 7372000
+ description:
+ external oscillator clock frequency. The clock-frequency property is
+ relevant and needed only if the chip has an external oscillator
+ (SC18IS603).
+
+allOf:
+ - $ref: spi-controller.yaml#
+
+unevaluatedProperties: false
+
+required:
+ - compatible
+ - reg
+
+examples:
+ - |
+ i2c {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ spi@28 {
+ compatible = "nxp,sc18is603";
+ reg = <0x28>;
+ clock-frequency = <14744000>;
+ };
+ };
+
diff --git a/Documentation/devicetree/bindings/spi/spi-sc18is602.txt b/Documentation/devicetree/bindings/spi/spi-sc18is602.txt
deleted file mode 100644
index 02f9033270a24..0000000000000
--- a/Documentation/devicetree/bindings/spi/spi-sc18is602.txt
+++ /dev/null
@@ -1,23 +0,0 @@
-NXP SC18IS602/SCIS603
-
-Required properties:
- - compatible : Should be one of
- "nxp,sc18is602"
- "nxp,sc18is602b"
- "nxp,sc18is603"
- - reg: I2C bus address
-
-Optional properties:
- - clock-frequency : external oscillator clock frequency. If not
- specified, the SC18IS602 default frequency (7372000) will be used.
-
-The clock-frequency property is relevant and needed only if the chip has an
-external oscillator (SC18IS603).
-
-Example:
-
- sc18is603@28 {
- compatible = "nxp,sc18is603";
- reg = <0x28>;
- clock-frequency = <14744000>;
- }
--
2.34.1
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