Convert the i.MX sata binding to DT schema format using json-schema. Signed-off-by: Anson Huang <Anson.Huang@xxxxxxx> --- Documentation/devicetree/bindings/ata/imx-sata.txt | 37 ---------- .../devicetree/bindings/ata/imx-sata.yaml | 81 ++++++++++++++++++++++ 2 files changed, 81 insertions(+), 37 deletions(-) delete mode 100644 Documentation/devicetree/bindings/ata/imx-sata.txt create mode 100644 Documentation/devicetree/bindings/ata/imx-sata.yaml diff --git a/Documentation/devicetree/bindings/ata/imx-sata.txt b/Documentation/devicetree/bindings/ata/imx-sata.txt deleted file mode 100644 index 781f887..0000000 --- a/Documentation/devicetree/bindings/ata/imx-sata.txt +++ /dev/null @@ -1,37 +0,0 @@ -* Freescale i.MX AHCI SATA Controller - -The Freescale i.MX SATA controller mostly conforms to the AHCI interface -with some special extensions at integration level. - -Required properties: -- compatible : should be one of the following: - - "fsl,imx53-ahci" for i.MX53 SATA controller - - "fsl,imx6q-ahci" for i.MX6Q SATA controller - - "fsl,imx6qp-ahci" for i.MX6QP SATA controller -- interrupts : interrupt mapping for SATA IRQ -- reg : registers mapping -- clocks : list of clock specifiers, must contain an entry for each - required entry in clock-names -- clock-names : should include "sata", "sata_ref" and "ahb" entries - -Optional properties: -- fsl,transmit-level-mV : transmit voltage level, in millivolts. -- fsl,transmit-boost-mdB : transmit boost level, in milli-decibels -- fsl,transmit-atten-16ths : transmit attenuation, in 16ths -- fsl,receive-eq-mdB : receive equalisation, in milli-decibels - Please refer to the technical documentation or the driver source code - for the list of legal values for these options. -- fsl,no-spread-spectrum : disable spread-spectrum clocking on the SATA - link. - -Examples: - -sata@2200000 { - compatible = "fsl,imx6q-ahci"; - reg = <0x02200000 0x4000>; - interrupts = <0 39 IRQ_TYPE_LEVEL_HIGH>; - clocks = <&clks IMX6QDL_CLK_SATA>, - <&clks IMX6QDL_CLK_SATA_REF_100M>, - <&clks IMX6QDL_CLK_AHB>; - clock-names = "sata", "sata_ref", "ahb"; -}; diff --git a/Documentation/devicetree/bindings/ata/imx-sata.yaml b/Documentation/devicetree/bindings/ata/imx-sata.yaml new file mode 100644 index 0000000..cd94937 --- /dev/null +++ b/Documentation/devicetree/bindings/ata/imx-sata.yaml @@ -0,0 +1,81 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/ata/imx-sata.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Freescale i.MX AHCI SATA Controller + +maintainers: + - Shawn Guo <shawn.guo@xxxxxxxxxx> + +description: | + The Freescale i.MX SATA controller mostly conforms to the AHCI interface + with some special extensions at integration level. + +properties: + compatible: + enum: + - fsl,imx53-ahci + - fsl,imx6q-ahci + - fsl,imx6qp-ahci + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + items: + - description: sata clock + - description: sata reference clock + - description: ahb clock + + clock-names: + items: + - const: sata + - const: sata_ref + - const: ahb + + fsl,transmit-level-mV: + $ref: /schemas/types.yaml#/definitions/uint32 + description: transmit voltage level, in millivolts. + + fsl,transmit-boost-mdB: + $ref: /schemas/types.yaml#/definitions/uint32 + description: transmit boost level, in milli-decibels. + + fsl,transmit-atten-16ths: + $ref: /schemas/types.yaml#/definitions/uint32 + description: transmit attenuation, in 16ths. + + fsl,receive-eq-mdB: + $ref: /schemas/types.yaml#/definitions/uint32 + description: receive equalisation, in milli-decibels. + + fsl,no-spread-spectrum: + $ref: /schemas/types.yaml#/definitions/flag + description: if present, disable spread-spectrum clocking on the SATA link. + +required: + - compatible + - reg + - interrupts + - clocks + - clock-names + +examples: + - | + #include <dt-bindings/clock/imx6qdl-clock.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + + sata@2200000 { + compatible = "fsl,imx6q-ahci"; + reg = <0x02200000 0x4000>; + interrupts = <0 39 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&clks IMX6QDL_CLK_SATA>, + <&clks IMX6QDL_CLK_SATA_REF_100M>, + <&clks IMX6QDL_CLK_AHB>; + clock-names = "sata", "sata_ref", "ahb"; + }; -- 2.7.4