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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /Documentation/devicetree/bindings/reset/socionext,uniphier-glue-reset.yaml | |
parent | Initial commit. (diff) | |
download | linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip |
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'Documentation/devicetree/bindings/reset/socionext,uniphier-glue-reset.yaml')
-rw-r--r-- | Documentation/devicetree/bindings/reset/socionext,uniphier-glue-reset.yaml | 113 |
1 files changed, 113 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 000000000..0a2c13e1e --- /dev/null +++ b/Documentation/devicetree/bindings/reset/socionext,uniphier-glue-reset.yaml @@ -0,0 +1,113 @@ +# 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-nx1-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: true + + resets: + minItems: 1 + maxItems: 2 + + reset-names: true + +allOf: + - if: + properties: + compatible: + contains: + enum: + - socionext,uniphier-pro4-usb3-reset + - socionext,uniphier-pro5-usb3-reset + - socionext,uniphier-pro4-ahci-reset + then: + properties: + clocks: + minItems: 2 + maxItems: 2 + clock-names: + items: + - const: gio + - const: link + resets: + minItems: 2 + maxItems: 2 + reset-names: + items: + - const: gio + - const: link + else: + properties: + clocks: + maxItems: 1 + clock-names: + const: link + resets: + maxItems: 1 + reset-names: + 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>; + }; + }; |