| Message ID | 1589796212-9993-1-git-send-email-Anson.Huang@nxp.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [V2] dt-bindings: reset: Convert i.MX reset to json-schema | expand |
> From: Anson Huang <Anson.Huang@nxp.com> > Sent: Monday, May 18, 2020 6:04 PM > > Convert the i.MX reset binding to DT schema format using json-schema. > > Signed-off-by: Anson Huang <Anson.Huang@nxp.com> > --- > Changes since V1: > - add the compatible strings per SoC; > - use "reset-controller" as node name instead of src; > - add interrupt items description. > --- > .../devicetree/bindings/reset/fsl,imx-src.txt | 49 ----------- > .../devicetree/bindings/reset/fsl,imx-src.yaml | 98 > ++++++++++++++++++++++ > 2 files changed, 98 insertions(+), 49 deletions(-) delete mode 100644 > Documentation/devicetree/bindings/reset/fsl,imx-src.txt > create mode 100644 > Documentation/devicetree/bindings/reset/fsl,imx-src.yaml > > diff --git a/Documentation/devicetree/bindings/reset/fsl,imx-src.txt > b/Documentation/devicetree/bindings/reset/fsl,imx-src.txt > deleted file mode 100644 > index 6ed79e6..0000000 > --- a/Documentation/devicetree/bindings/reset/fsl,imx-src.txt > +++ /dev/null > @@ -1,49 +0,0 @@ > -Freescale i.MX System Reset Controller > -====================================== > - > -Please also refer to reset.txt in this directory for common reset -controller > binding usage. > - > -Required properties: > -- compatible: Should be "fsl,<chip>-src" > -- reg: should be register base and length as documented in the > - datasheet > -- interrupts: Should contain SRC interrupt and CPU WDOG interrupt, > - in this order. > -- #reset-cells: 1, see below > - > -example: > - > -src: src@20d8000 { > - compatible = "fsl,imx6q-src"; > - reg = <0x020d8000 0x4000>; > - interrupts = <0 91 0x04 0 96 0x04>; > - #reset-cells = <1>; > -}; > - > -Specifying reset lines connected to IP modules > -============================================== > - > -The system reset controller can be used to reset the GPU, VPU, -IPU, and > OpenVG IP modules on i.MX5 and i.MX6 ICs. Those device -nodes should > specify the reset line on the SRC in their resets -property, containing a phandle > to the SRC device node and a -RESET_INDEX specifying which module to reset, > as described in -reset.txt > - > -example: > - > - ipu1: ipu@2400000 { > - resets = <&src 2>; > - }; > - ipu2: ipu@2800000 { > - resets = <&src 4>; > - }; > - > -The following RESET_INDEX values are valid for i.MX5: > -GPU_RESET 0 > -VPU_RESET 1 > -IPU1_RESET 2 > -OPEN_VG_RESET 3 > -The following additional RESET_INDEX value is valid for i.MX6: > -IPU2_RESET 4 > diff --git a/Documentation/devicetree/bindings/reset/fsl,imx-src.yaml > b/Documentation/devicetree/bindings/reset/fsl,imx-src.yaml > new file mode 100644 > index 0000000..7cd6095 > --- /dev/null > +++ b/Documentation/devicetree/bindings/reset/fsl,imx-src.yaml > @@ -0,0 +1,98 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) %YAML 1.2 > +--- [...] > +title: Freescale i.MX System Reset Controller > + > +maintainers: > + - Philipp Zabel <p.zabel@pengutronix.de> > + > +description: | > + The system reset controller can be used to reset the GPU, VPU, > + IPU, and OpenVG IP modules on i.MX5 and i.MX6 ICs. Those device > + nodes should specify the reset line on the SRC in their resets > + property, containing a phandle to the SRC device node and a > + RESET_INDEX specifying which module to reset, as described in > + reset.txt > + > + The following RESET_INDEX values are valid for i.MX5: > + GPU_RESET 0 > + VPU_RESET 1 > + IPU1_RESET 2 > + OPEN_VG_RESET 3 > + The following additional RESET_INDEX value is valid for i.MX6: > + IPU2_RESET 4 > + > +properties: > + compatible: > + oneOf: > + - description: on i.MX51 the following compatible must be specified Unnecessary description Otherwise: Reviewed-by: Dong Aisheng <aisheng.dong@nxp.com> Regards Aisheng > + items: > + - const: "fsl,imx51-src" > + > + - description: on i.MX50 the following compatibles must be specified > + items: > + - const: "fsl,imx50-src" > + - const: "fsl,imx51-src" > + > + - description: on i.MX53 the following compatibles must be specified > + items: > + - const: "fsl,imx53-src" > + - const: "fsl,imx51-src" > + > + - description: on i.MX6Q the following compatibles must be specified > + items: > + - const: "fsl,imx6q-src" > + - const: "fsl,imx51-src" > + > + - description: on i.MX6SX the following compatibles must be specified > + items: > + - const: "fsl,imx6sx-src" > + - const: "fsl,imx51-src" > + > + - description: on i.MX6SL the following compatibles must be specified > + items: > + - const: "fsl,imx6sl-src" > + - const: "fsl,imx51-src" > + > + - description: on i.MX6UL the following compatibles must be specified > + items: > + - const: "fsl,imx6ul-src" > + - const: "fsl,imx51-src" > + > + - description: on i.MX6SLL the following compatibles must be specified > + items: > + - const: "fsl,imx6sll-src" > + - const: "fsl,imx51-src" > + > + reg: > + maxItems: 1 > + > + interrupts: > + items: > + - description: SRC interrupt > + - description: CPU WDOG interrupts out of SRC > + minItems: 1 > + maxItems: 2 > + > + '#reset-cells': > + const: 1 > + > +required: > + - compatible > + - reg > + - interrupts > + - '#reset-cells' > + > +additionalProperties: false > + > +examples: > + - | > + reset-controller@73fd0000 { > + compatible = "fsl,imx51-src"; > + reg = <0x73fd0000 0x4000>; > + interrupts = <75>; > + #reset-cells = <1>; > + }; > -- > 2.7.4
diff --git a/Documentation/devicetree/bindings/reset/fsl,imx-src.txt b/Documentation/devicetree/bindings/reset/fsl,imx-src.txt deleted file mode 100644 index 6ed79e6..0000000 --- a/Documentation/devicetree/bindings/reset/fsl,imx-src.txt +++ /dev/null @@ -1,49 +0,0 @@ -Freescale i.MX System Reset Controller -====================================== - -Please also refer to reset.txt in this directory for common reset -controller binding usage. - -Required properties: -- compatible: Should be "fsl,<chip>-src" -- reg: should be register base and length as documented in the - datasheet -- interrupts: Should contain SRC interrupt and CPU WDOG interrupt, - in this order. -- #reset-cells: 1, see below - -example: - -src: src@20d8000 { - compatible = "fsl,imx6q-src"; - reg = <0x020d8000 0x4000>; - interrupts = <0 91 0x04 0 96 0x04>; - #reset-cells = <1>; -}; - -Specifying reset lines connected to IP modules -============================================== - -The system reset controller can be used to reset the GPU, VPU, -IPU, and OpenVG IP modules on i.MX5 and i.MX6 ICs. Those device -nodes should specify the reset line on the SRC in their resets -property, containing a phandle to the SRC device node and a -RESET_INDEX specifying which module to reset, as described in -reset.txt - -example: - - ipu1: ipu@2400000 { - resets = <&src 2>; - }; - ipu2: ipu@2800000 { - resets = <&src 4>; - }; - -The following RESET_INDEX values are valid for i.MX5: -GPU_RESET 0 -VPU_RESET 1 -IPU1_RESET 2 -OPEN_VG_RESET 3 -The following additional RESET_INDEX value is valid for i.MX6: -IPU2_RESET 4 diff --git a/Documentation/devicetree/bindings/reset/fsl,imx-src.yaml b/Documentation/devicetree/bindings/reset/fsl,imx-src.yaml new file mode 100644 index 0000000..7cd6095 --- /dev/null +++ b/Documentation/devicetree/bindings/reset/fsl,imx-src.yaml @@ -0,0 +1,98 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/reset/fsl,imx-src.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Freescale i.MX System Reset Controller + +maintainers: + - Philipp Zabel <p.zabel@pengutronix.de> + +description: | + The system reset controller can be used to reset the GPU, VPU, + IPU, and OpenVG IP modules on i.MX5 and i.MX6 ICs. Those device + nodes should specify the reset line on the SRC in their resets + property, containing a phandle to the SRC device node and a + RESET_INDEX specifying which module to reset, as described in + reset.txt + + The following RESET_INDEX values are valid for i.MX5: + GPU_RESET 0 + VPU_RESET 1 + IPU1_RESET 2 + OPEN_VG_RESET 3 + The following additional RESET_INDEX value is valid for i.MX6: + IPU2_RESET 4 + +properties: + compatible: + oneOf: + - description: on i.MX51 the following compatible must be specified + items: + - const: "fsl,imx51-src" + + - description: on i.MX50 the following compatibles must be specified + items: + - const: "fsl,imx50-src" + - const: "fsl,imx51-src" + + - description: on i.MX53 the following compatibles must be specified + items: + - const: "fsl,imx53-src" + - const: "fsl,imx51-src" + + - description: on i.MX6Q the following compatibles must be specified + items: + - const: "fsl,imx6q-src" + - const: "fsl,imx51-src" + + - description: on i.MX6SX the following compatibles must be specified + items: + - const: "fsl,imx6sx-src" + - const: "fsl,imx51-src" + + - description: on i.MX6SL the following compatibles must be specified + items: + - const: "fsl,imx6sl-src" + - const: "fsl,imx51-src" + + - description: on i.MX6UL the following compatibles must be specified + items: + - const: "fsl,imx6ul-src" + - const: "fsl,imx51-src" + + - description: on i.MX6SLL the following compatibles must be specified + items: + - const: "fsl,imx6sll-src" + - const: "fsl,imx51-src" + + reg: + maxItems: 1 + + interrupts: + items: + - description: SRC interrupt + - description: CPU WDOG interrupts out of SRC + minItems: 1 + maxItems: 2 + + '#reset-cells': + const: 1 + +required: + - compatible + - reg + - interrupts + - '#reset-cells' + +additionalProperties: false + +examples: + - | + reset-controller@73fd0000 { + compatible = "fsl,imx51-src"; + reg = <0x73fd0000 0x4000>; + interrupts = <75>; + #reset-cells = <1>; + };
Convert the i.MX reset binding to DT schema format using json-schema. Signed-off-by: Anson Huang <Anson.Huang@nxp.com> --- Changes since V1: - add the compatible strings per SoC; - use "reset-controller" as node name instead of src; - add interrupt items description. --- .../devicetree/bindings/reset/fsl,imx-src.txt | 49 ----------- .../devicetree/bindings/reset/fsl,imx-src.yaml | 98 ++++++++++++++++++++++ 2 files changed, 98 insertions(+), 49 deletions(-) delete mode 100644 Documentation/devicetree/bindings/reset/fsl,imx-src.txt create mode 100644 Documentation/devicetree/bindings/reset/fsl,imx-src.yaml