Messages in this thread Patch in this message | | | From | Tomer Maimon <> | Subject | [PATCH v2 1/3] dt-binding: reset: add NPCM reset controller documentation | Date | Mon, 28 Oct 2019 17:54:01 +0200 |
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Added device tree binding documentation for Nuvoton BMC NPCM reset controller.
Signed-off-by: Tomer Maimon <tmaimon77@gmail.com> --- .../bindings/reset/nuvoton,npcm-reset.txt | 35 +++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100644 Documentation/devicetree/bindings/reset/nuvoton,npcm-reset.txt
diff --git a/Documentation/devicetree/bindings/reset/nuvoton,npcm-reset.txt b/Documentation/devicetree/bindings/reset/nuvoton,npcm-reset.txt new file mode 100644 index 000000000000..94793285a2ac --- /dev/null +++ b/Documentation/devicetree/bindings/reset/nuvoton,npcm-reset.txt @@ -0,0 +1,35 @@ +Nuvoton NPCM Reset controller + +In the NPCM Reset controller boot the USB PHY, USB host +and USB device initialize. + +Required properties: +- compatible : "nuvoton,npcm750-reset" for NPCM7XX BMC +- reg : specifies physical base address and size of the register. +- #reset-cells: must be set to 1 + +Optional property: +- nuvoton,sw-reset-number - Contains the software reset number to restart the SoC. + NPCM7xx contain four software reset that represent numbers 1 to 4. + + If 'nuvoton,sw-reset-number' is not specfied software reset is disabled. + +Example: + rstc: rstc@f0801000 { + compatible = "nuvoton,npcm750-reset"; + reg = <0xf0801000 0x70>; + #reset-cells = <1>; + nuvoton,sw-reset-number = <2>; + }; + +Specifying reset lines connected to IP NPCM7XX modules +====================================================== +example: + + spi0: spi@..... { + ... + resets = <&rstc NPCM7XX_RESET_PSPI1>; + ... + }; + +The index could be found in <dt-bindings/reset/nuvoton,npcm7xx-reset.h>. -- 2.22.0
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