new file mode 100644
@@ -0,0 +1,30 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/spi/fsl,dspi-peripheral-props.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Peripheral-specific properties for Freescale DSPI controller
+
+maintainers:
+ - Vladimir Oltean <olteanv@gmail.com>
+
+description:
+ See spi-peripheral-props.yaml for more info.
+
+properties:
+ fsl,spi-cs-sck-delay:
+ deprecated: true
+ description:
+ Delay in nanoseconds between activating chip select and the start of
+ clock signal, at the start of a transfer.
+ $ref: /schemas/types.yaml#/definitions/uint32
+
+ fsl,spi-sck-cs-delay:
+ deprecated: true
+ description:
+ Delay in nanoseconds between stopping the clock signal and
+ deactivating chip select, at the end of a transfer.
+ $ref: /schemas/types.yaml#/definitions/uint32
+
+additionalProperties: true
new file mode 100644
@@ -0,0 +1,103 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/spi/fsl,dspi.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: ARM Freescale DSPI controller
+
+maintainers:
+ - Frank Li <Frank.Li@nxp.com>
+
+properties:
+ compatible:
+ oneOf:
+ - enum:
+ - fsl,vf610-dspi
+ - fsl,ls1021a-v1.0-dspi
+ - fsl,ls1012a-dspi
+ - fsl,ls1028a-dspi
+ - fsl,ls1043a-dspi
+ - fsl,ls1046a-dspi
+ - fsl,ls1088a-dspi
+ - fsl,ls2080a-dspi
+ - fsl,ls2085a-dspi
+ - fsl,lx2160a-dspi
+ - items:
+ - enum:
+ - fsl,ls1012a-dspi
+ - fsl,ls1028a-dspi
+ - fsl,ls1043a-dspi
+ - fsl,ls1046a-dspi
+ - fsl,ls1088a-dspi
+ - const: fsl,ls1021a-v1.0-dspi
+ - items:
+ - const: fsl,ls2080a-dspi
+ - const: fsl,ls2085a-dspi
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ clocks:
+ maxItems: 1
+
+ clock-names:
+ items:
+ - const: dspi
+
+ spi-num-chipselects:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description:
+ The number of the chip native chipselect signals.
+ cs-gpios don't count against this number.
+
+ big-endian: true
+
+ bus-num:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description: SoC-specific identifier for the SPI controller.
+
+required:
+ - compatible
+ - reg
+ - clocks
+ - clock-names
+ - spi-num-chipselects
+
+allOf:
+ - $ref: spi-controller.yaml#
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+ #include <dt-bindings/clock/vf610-clock.h>
+
+ spi@4002c000 {
+ compatible = "fsl,vf610-dspi";
+ reg = <0x4002c000 0x1000>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ interrupts = <GIC_SPI 67 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&clks VF610_CLK_DSPI0>;
+ clock-names = "dspi";
+ spi-num-chipselects = <5>;
+ bus-num = <0>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_dspi0_1>;
+ big-endian;
+
+ flash@0 {
+ compatible = "jedec,spi-nor";
+ reg = <0>;
+ spi-max-frequency = <16000000>;
+ spi-cpol;
+ spi-cpha;
+ spi-cs-setup-delay-ns = <100>;
+ spi-cs-hold-delay-ns = <50>;
+ };
+ };
deleted file mode 100644
@@ -1,65 +0,0 @@
-ARM Freescale DSPI controller
-
-Required properties:
-- compatible : must be one of:
- "fsl,vf610-dspi",
- "fsl,ls1021a-v1.0-dspi",
- "fsl,ls1012a-dspi" (optionally followed by "fsl,ls1021a-v1.0-dspi"),
- "fsl,ls1028a-dspi",
- "fsl,ls1043a-dspi" (optionally followed by "fsl,ls1021a-v1.0-dspi"),
- "fsl,ls1046a-dspi" (optionally followed by "fsl,ls1021a-v1.0-dspi"),
- "fsl,ls1088a-dspi" (optionally followed by "fsl,ls1021a-v1.0-dspi"),
- "fsl,ls2080a-dspi" (optionally followed by "fsl,ls2085a-dspi"),
- "fsl,ls2085a-dspi",
- "fsl,lx2160a-dspi",
-- reg : Offset and length of the register set for the device
-- interrupts : Should contain SPI controller interrupt
-- clocks: from common clock binding: handle to dspi clock.
-- clock-names: from common clock binding: Shall be "dspi".
-- pinctrl-0: pin control group to be used for this controller.
-- pinctrl-names: must contain a "default" entry.
-- spi-num-chipselects : the number of the chipselect signals.
-
-Optional property:
-- big-endian: If present the dspi device's registers are implemented
- in big endian mode.
-- bus-num : the slave chip chipselect signal number.
-
-Optional SPI slave node properties:
-- fsl,spi-cs-sck-delay: a delay in nanoseconds between activating chip
- select and the start of clock signal, at the start of a transfer.
-- fsl,spi-sck-cs-delay: a delay in nanoseconds between stopping the clock
- signal and deactivating chip select, at the end of a transfer.
-
-Example:
-
-dspi0@4002c000 {
- #address-cells = <1>;
- #size-cells = <0>;
- compatible = "fsl,vf610-dspi";
- reg = <0x4002c000 0x1000>;
- interrupts = <0 67 0x04>;
- clocks = <&clks VF610_CLK_DSPI0>;
- clock-names = "dspi";
- spi-num-chipselects = <5>;
- bus-num = <0>;
- pinctrl-names = "default";
- pinctrl-0 = <&pinctrl_dspi0_1>;
- big-endian;
-
- sflash: at26df081a@0 {
- #address-cells = <1>;
- #size-cells = <1>;
- compatible = "atmel,at26df081a";
- spi-max-frequency = <16000000>;
- spi-cpol;
- spi-cpha;
- reg = <0>;
- linux,modalias = "m25p80";
- modal = "at26df081a";
- fsl,spi-cs-sck-delay = <100>;
- fsl,spi-sck-cs-delay = <50>;
- };
-};
-
-
@@ -122,6 +122,7 @@ properties:
allOf:
- $ref: arm,pl022-peripheral-props.yaml#
- $ref: cdns,qspi-nor-peripheral-props.yaml#
+ - $ref: fsl,dspi-peripheral-props.yaml#
- $ref: samsung,spi-peripheral-props.yaml#
- $ref: nvidia,tegra210-quad-peripheral-props.yaml#
@@ -8748,7 +8748,7 @@ FREESCALE DSPI DRIVER
M: Vladimir Oltean <olteanv@gmail.com>
L: linux-spi@vger.kernel.org
S: Maintained
-F: Documentation/devicetree/bindings/spi/spi-fsl-dspi.txt
+F: Documentation/devicetree/bindings/spi/fsl,dspi*.yaml
F: drivers/spi/spi-fsl-dspi.c
F: include/linux/spi/spi-fsl-dspi.h