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author | Kunihiko Hayashi <hayashi.kunihiko@socionext.com> | 2021-06-23 04:53:28 +0300 |
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committer | Philipp Zabel <p.zabel@pengutronix.de> | 2021-07-21 13:16:48 +0300 |
commit | 28edf1d77cd5b5f35828dcc3ac2bfa912bf04a3f (patch) | |
tree | 5bb6b4a64005ec7e7bed8b4915435c848fb8805d /Documentation/devicetree/bindings/reset/socionext,uniphier-glue-reset.yaml | |
parent | 08218a081e6a95995f9f5de8456c243b92fec335 (diff) | |
download | linux-28edf1d77cd5b5f35828dcc3ac2bfa912bf04a3f.tar.xz |
dt-bindings: reset: Convert UniPhier glue reset to json-schema
Convert the UniPhier peripheral glue reset binding to DT schema format.
Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/1624413208-17562-1-git-send-email-hayashi.kunihiko@socionext.com
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Diffstat (limited to 'Documentation/devicetree/bindings/reset/socionext,uniphier-glue-reset.yaml')
-rw-r--r-- | Documentation/devicetree/bindings/reset/socionext,uniphier-glue-reset.yaml | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/reset/socionext,uniphier-glue-reset.yaml b/Documentation/devicetree/bindings/reset/socionext,uniphier-glue-reset.yaml new file mode 100644 index 000000000000..29e4a900cad7 --- /dev/null +++ b/Documentation/devicetree/bindings/reset/socionext,uniphier-glue-reset.yaml @@ -0,0 +1,88 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/reset/socionext,uniphier-glue-reset.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Socionext UniPhier peripheral core reset in glue layer + +description: | + Some peripheral core reset belongs to its own glue layer. Before using + this core reset, it is necessary to control the clocks and resets to + enable this layer. These clocks and resets should be described in each + property. + +maintainers: + - Kunihiko Hayashi <hayashi.kunihiko@socionext.com> + +properties: + compatible: + enum: + - socionext,uniphier-pro4-usb3-reset + - socionext,uniphier-pro5-usb3-reset + - socionext,uniphier-pxs2-usb3-reset + - socionext,uniphier-ld20-usb3-reset + - socionext,uniphier-pxs3-usb3-reset + - socionext,uniphier-pro4-ahci-reset + - socionext,uniphier-pxs2-ahci-reset + - socionext,uniphier-pxs3-ahci-reset + + reg: + maxItems: 1 + + "#reset-cells": + const: 1 + + clocks: + minItems: 1 + maxItems: 2 + + clock-names: + oneOf: + - items: # for Pro4, Pro5 + - const: gio + - const: link + - items: # for others + - const: link + + resets: + minItems: 1 + maxItems: 2 + + reset-names: + oneOf: + - items: # for Pro4, Pro5 + - const: gio + - const: link + - items: # for others + - const: link + +additionalProperties: false + +required: + - compatible + - reg + - "#reset-cells" + - clocks + - clock-names + - resets + - reset-names + +examples: + - | + usb-glue@65b00000 { + compatible = "simple-mfd"; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0 0x65b00000 0x400>; + + usb_rst: reset@0 { + compatible = "socionext,uniphier-ld20-usb3-reset"; + reg = <0x0 0x4>; + #reset-cells = <1>; + clock-names = "link"; + clocks = <&sys_clk 14>; + reset-names = "link"; + resets = <&sys_rst 14>; + }; + }; |