> Subject: RE: [PATCH] dt-bindings: reset: Convert i.MX reset to json-schema > > > From: Anson Huang <Anson.Huang@xxxxxxx> > > Sent: Tuesday, May 12, 2020 10:23 AM > > > > Convert the i.MX reset binding to DT schema format using json-schema. > > > > Signed-off-by: Anson Huang <Anson.Huang@xxxxxxx> > > --- > > .../devicetree/bindings/reset/fsl,imx-src.txt | 49 ------------------ > > .../devicetree/bindings/reset/fsl,imx-src.yaml | 58 > > ++++++++++++++++++++++ > > 2 files changed, 58 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..276a533 > > --- /dev/null > > +++ b/Documentation/devicetree/bindings/reset/fsl,imx-src.yaml > > @@ -0,0 +1,58 @@ > > +# 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@xxxxxxxxxxxxxx> > > + > > +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: > > + items: > > + - const: "fsl,imx51-src" > > What about mx6? Will add all i.MX6 compatible according to DT. > > > + > > + reg: > > + maxItems: 1 > > + > > + interrupts: > > Need description here OK. > > > + minItems: 1 > > + maxItems: 2 > > + > > + '#reset-cells': > > + const: 1 > > + > > +required: > > + - compatible > > + - reg > > + - interrupts > > + - '#reset-cells' > > + > > +additionalProperties: false > > + > > +examples: > > + - | > > + src@73fd0000 { > > s/src/reset-controller OK. Anson