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author | Anson Huang <Anson.Huang@nxp.com> | 2020-06-16 12:26:15 +0800 |
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committer | Mark Brown <broonie@kernel.org> | 2020-07-10 16:33:31 +0100 |
commit | be8faebc2e55b2e5a335b606d11d070d53e78133 (patch) | |
tree | c3d0f5d519e669a4869f56d8d6c4be145e9dd543 | |
parent | 790739c4417c17b2201bc742a9d5d819ea71799f (diff) | |
download | linux-be8faebc2e55b2e5a335b606d11d070d53e78133.tar.bz2 |
dt-bindings: spi: Convert imx lpspi to json-schema
Convert the i.MX LPSPI binding to DT schema format using json-schema
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/1592281575-32708-4-git-send-email-Anson.Huang@nxp.com
Signed-off-by: Mark Brown <broonie@kernel.org>
-rw-r--r-- | Documentation/devicetree/bindings/spi/spi-fsl-lpspi.txt | 29 | ||||
-rw-r--r-- | Documentation/devicetree/bindings/spi/spi-fsl-lpspi.yaml | 60 |
2 files changed, 60 insertions, 29 deletions
diff --git a/Documentation/devicetree/bindings/spi/spi-fsl-lpspi.txt b/Documentation/devicetree/bindings/spi/spi-fsl-lpspi.txt deleted file mode 100644 index e71b81a41ac0..000000000000 --- a/Documentation/devicetree/bindings/spi/spi-fsl-lpspi.txt +++ /dev/null @@ -1,29 +0,0 @@ -* Freescale Low Power SPI (LPSPI) for i.MX - -Required properties: -- compatible : - - "fsl,imx7ulp-spi" for LPSPI compatible with the one integrated on i.MX7ULP soc - - "fsl,imx8qxp-spi" for LPSPI compatible with the one integrated on i.MX8QXP soc -- reg : address and length of the lpspi master registers -- interrupt-parent : core interrupt controller -- interrupts : lpspi interrupt -- clocks : lpspi clock specifier. Its number and order need to correspond to the - value in clock-names. -- clock-names : Corresponding to per clock and ipg clock in "clocks" - respectively. In i.MX7ULP, it only has per clk, so use CLK_DUMMY - to fill the "ipg" blank. -- spi-slave : spi slave mode support. In slave mode, add this attribute without - value. In master mode, remove it. - -Examples: - -lpspi2: lpspi@40290000 { - compatible = "fsl,imx7ulp-spi"; - reg = <0x40290000 0x10000>; - interrupt-parent = <&intc>; - interrupts = <GIC_SPI 28 IRQ_TYPE_LEVEL_HIGH>; - clocks = <&clks IMX7ULP_CLK_LPSPI2>, - <&clks IMX7ULP_CLK_DUMMY>; - clock-names = "per", "ipg"; - spi-slave; -}; diff --git a/Documentation/devicetree/bindings/spi/spi-fsl-lpspi.yaml b/Documentation/devicetree/bindings/spi/spi-fsl-lpspi.yaml new file mode 100644 index 000000000000..143b94a1883a --- /dev/null +++ b/Documentation/devicetree/bindings/spi/spi-fsl-lpspi.yaml @@ -0,0 +1,60 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/spi/spi-fsl-lpspi.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Freescale Low Power SPI (LPSPI) for i.MX + +maintainers: + - Anson Huang <Anson.Huang@nxp.com> + +allOf: + - $ref: "/schemas/spi/spi-controller.yaml#" + +properties: + compatible: + enum: + - fsl,imx7ulp-spi + - fsl,imx8qxp-spi + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + items: + - description: SoC SPI per clock + - description: SoC SPI ipg clock + + clock-names: + items: + - const: per + - const: ipg + +required: + - compatible + - reg + - interrupts + - clocks + - clock-names + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/clock/imx7ulp-clock.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + + spi@40290000 { + compatible = "fsl,imx7ulp-spi"; + reg = <0x40290000 0x10000>; + interrupt-parent = <&intc>; + interrupts = <GIC_SPI 28 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&clks IMX7ULP_CLK_LPSPI2>, + <&clks IMX7ULP_CLK_DUMMY>; + clock-names = "per", "ipg"; + spi-slave; + }; |