From: Changming Huang <jerry.huang@nxp.com>
To: broonie@kernel.org, robh+dt@kernel.org,
krzysztof.kozlowski+dt@linaro.org, linux-spi@vger.kernel.org,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
shawnguo@kernel.org, leoyang.li@nxp.com,
linux-arm-kernel@lists.infradead.org
Cc: Changming Huang <jerry.huang@nxp.com>
Subject: [PATCH 1/3 v5] dt-bindings: dspi: added for MikcroBus socket
Date: Tue, 26 Apr 2022 10:24:11 +0800 [thread overview]
Message-ID: <20220426022413.885092-1-jerry.huang@nxp.com> (raw)
Signed-off-by: Changming Huang <jerry.huang@nxp.com>
---
changes in v5:
- rename compatible name to mikcroe,mikcroe-socket
changes in v4:
- rename example node, adjust description
changes in v3:
- add the dt-bindings
.../bindings/spi/mikcroe,mikcroe-socket.yaml | 50 +++++++++++++++++++
1 file changed, 50 insertions(+)
create mode 100644 Documentation/devicetree/bindings/spi/mikcroe,mikcroe-socket.yaml
diff --git a/Documentation/devicetree/bindings/spi/mikcroe,mikcroe-socket.yaml b/Documentation/devicetree/bindings/spi/mikcroe,mikcroe-socket.yaml
new file mode 100644
index 000000000000..2b0abf7f1d84
--- /dev/null
+++ b/Documentation/devicetree/bindings/spi/mikcroe,mikcroe-socket.yaml
@@ -0,0 +1,50 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/spi/mikcroe,mikcroe-spi#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: MikcroBus SPI device bindings
+
+maintainers:
+ - Changming Huang <jerry.huang@nxp.com>
+
+allOf:
+ - $ref: "spi-controller.yaml"
+
+properties:
+ compatible:
+ const: mikcroe,mikcroe-socket
+
+ reg:
+ maxItems: 1
+
+ spi-max-frequency: true
+
+ fsl,spi-cs-sck-delay: true
+
+ fsl,spi-sck-cs-delay: true
+
+required:
+ - compatible
+ - reg
+ - spi-max-frequency
+
+additionalProperties: false
+
+examples:
+ - |
+ &dspi2 {
+ bus-num = <2>;
+ status = "okay";
+
+ spi@0 {
+ compatible = "mikcroe,mikcroe-socket";
+ reg = <0>;
+ spi-max-frequency = <2000000>;
+ fsl,spi-cs-sck-delay = <1000000>;
+ fsl,spi-sck-cs-delay = <50>;
+ };
+ };
+
+...
--
2.25.1
next reply other threads:[~2022-04-26 2:24 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-04-26 2:24 Changming Huang [this message]
2022-04-26 2:24 ` [PATCH 2/3 v5] arm64: dts: fsl-ls1028a: add dspi2 support Changming Huang
2022-04-26 2:24 ` [PATCH 3/3 v5] spi: spidev: add MikcroBus socket to device tree compatibility list Changming Huang
2022-04-26 13:39 ` [PATCH 1/3 v5] dt-bindings: dspi: added for MikcroBus socket Rob Herring
2022-04-26 15:55 ` Rob Herring
2022-04-27 9:37 ` Michael Walle
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