diff options
author | Arnd Bergmann <arnd@arndb.de> | 2021-08-26 11:29:06 +0200 |
---|---|---|
committer | Arnd Bergmann <arnd@arndb.de> | 2021-08-26 11:29:06 +0200 |
commit | 06779631d18ff2901af604eadea0d7b2193db7a1 (patch) | |
tree | 5742c3257ef3f39736cfd5c6d1797f9aaa17fe3d /Documentation | |
parent | 9b3878a99ad606fe76a50a290273d7b801f0f895 (diff) | |
parent | 09f3824342f665d222fb7ac17c91f8334779630b (diff) |
Merge tag 'reset-for-v5.15' of git://git.pengutronix.de/pza/linux into arm/drivers
Reset controller updates for v5.15
Add support for the SC7280 PDC Global and RZ/G2L USB/PHY reset
controllers, convert UniPhier glue device tree bindings to json-schema
and remove a leftover mention of ZTE zx2967 from Kconfig.
* tag 'reset-for-v5.15' of git://git.pengutronix.de/pza/linux:
reset: simple: remove ZTE details in Kconfig help
reset: renesas: Add RZ/G2L usbphy control driver
dt-bindings: reset: Document RZ/G2L USBPHY Control bindings
dt-bindings: reset: Convert UniPhier glue reset to json-schema
reset: qcom: Add PDC Global reset signals for WPSS
dt-bindings: reset: pdc: Add PDC Global bindings
dt-bindings: reset: aoss: Add AOSS reset controller binding
Link: https://lore.kernel.org/r/d42a75fc17ce718ef1b3fa4c5d3f5c7fb0bd2bc2.camel@pengutronix.de
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'Documentation')
5 files changed, 162 insertions, 61 deletions
diff --git a/Documentation/devicetree/bindings/reset/qcom,aoss-reset.yaml b/Documentation/devicetree/bindings/reset/qcom,aoss-reset.yaml index e2d85a1e1d63..a054757f4d9f 100644 --- a/Documentation/devicetree/bindings/reset/qcom,aoss-reset.yaml +++ b/Documentation/devicetree/bindings/reset/qcom,aoss-reset.yaml @@ -21,6 +21,11 @@ properties: - const: "qcom,sc7180-aoss-cc" - const: "qcom,sdm845-aoss-cc" + - description: on SC7280 SoCs the following compatibles must be specified + items: + - const: "qcom,sc7280-aoss-cc" + - const: "qcom,sdm845-aoss-cc" + - description: on SDM845 SoCs the following compatibles must be specified items: - const: "qcom,sdm845-aoss-cc" diff --git a/Documentation/devicetree/bindings/reset/qcom,pdc-global.yaml b/Documentation/devicetree/bindings/reset/qcom,pdc-global.yaml index d7d8cec9419f..831ea8d5d83f 100644 --- a/Documentation/devicetree/bindings/reset/qcom,pdc-global.yaml +++ b/Documentation/devicetree/bindings/reset/qcom,pdc-global.yaml @@ -21,6 +21,10 @@ properties: - const: "qcom,sc7180-pdc-global" - const: "qcom,sdm845-pdc-global" + - description: on SC7280 SoCs the following compatibles must be specified + items: + - const: "qcom,sc7280-pdc-global" + - description: on SDM845 SoCs the following compatibles must be specified items: - const: "qcom,sdm845-pdc-global" diff --git a/Documentation/devicetree/bindings/reset/renesas,rzg2l-usbphy-ctrl.yaml b/Documentation/devicetree/bindings/reset/renesas,rzg2l-usbphy-ctrl.yaml new file mode 100644 index 000000000000..b13514e6783d --- /dev/null +++ b/Documentation/devicetree/bindings/reset/renesas,rzg2l-usbphy-ctrl.yaml @@ -0,0 +1,65 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/reset/renesas,rzg2l-usbphy-ctrl.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Renesas RZ/G2L USBPHY Control + +maintainers: + - Biju Das <biju.das.jz@bp.renesas.com> + +description: + The RZ/G2L USBPHY Control mainly controls reset and power down of the + USB/PHY. + +properties: + compatible: + items: + - enum: + - renesas,r9a07g044-usbphy-ctrl # RZ/G2{L,LC} + - const: renesas,rzg2l-usbphy-ctrl + + reg: + maxItems: 1 + + clocks: + maxItems: 1 + + resets: + maxItems: 1 + + power-domains: + maxItems: 1 + + '#reset-cells': + const: 1 + description: | + The phandle's argument in the reset specifier is the PHY reset associated + with the USB port. + 0 = Port 1 Phy reset + 1 = Port 2 Phy reset + +required: + - compatible + - reg + - clocks + - resets + - power-domains + - '#reset-cells' + +additionalProperties: false + +examples: + - | + #include <dt-bindings/clock/r9a07g044-cpg.h> + + phyrst: usbphy-ctrl@11c40000 { + compatible = "renesas,r9a07g044-usbphy-ctrl", + "renesas,rzg2l-usbphy-ctrl"; + reg = <0x11c40000 0x10000>; + clocks = <&cpg CPG_MOD R9A07G044_USB_PCLK>; + resets = <&cpg R9A07G044_USB_PRESETN>; + power-domains = <&cpg>; + #reset-cells = <1>; + }; 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>; + }; + }; diff --git a/Documentation/devicetree/bindings/reset/uniphier-reset.txt b/Documentation/devicetree/bindings/reset/uniphier-reset.txt deleted file mode 100644 index 88e06e5e8d23..000000000000 --- a/Documentation/devicetree/bindings/reset/uniphier-reset.txt +++ /dev/null @@ -1,61 +0,0 @@ -UniPhier glue reset controller - - -Peripheral core reset in glue layer ------------------------------------ - -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. - -Required properties: -- compatible: Should be - "socionext,uniphier-pro4-usb3-reset" - for Pro4 SoC USB3 - "socionext,uniphier-pro5-usb3-reset" - for Pro5 SoC USB3 - "socionext,uniphier-pxs2-usb3-reset" - for PXs2 SoC USB3 - "socionext,uniphier-ld20-usb3-reset" - for LD20 SoC USB3 - "socionext,uniphier-pxs3-usb3-reset" - for PXs3 SoC USB3 - "socionext,uniphier-pro4-ahci-reset" - for Pro4 SoC AHCI - "socionext,uniphier-pxs2-ahci-reset" - for PXs2 SoC AHCI - "socionext,uniphier-pxs3-ahci-reset" - for PXs3 SoC AHCI -- #reset-cells: Should be 1. -- reg: Specifies offset and length of the register set for the device. -- clocks: A list of phandles to the clock gate for the glue layer. - According to the clock-names, appropriate clocks are required. -- clock-names: Should contain - "gio", "link" - for Pro4 and Pro5 SoCs - "link" - for others -- resets: A list of phandles to the reset control for the glue layer. - According to the reset-names, appropriate resets are required. -- reset-names: Should contain - "gio", "link" - for Pro4 and Pro5 SoCs - "link" - for others - -Example: - - usb-glue@65b00000 { - compatible = "socionext,uniphier-ld20-dwc3-glue", - "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>; - }; - - regulator { - ... - }; - - phy { - ... - }; - ... - }; |