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author | Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> | 2022-03-06 12:11:19 +0100 |
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committer | Rob Herring <robh@kernel.org> | 2022-03-08 10:42:53 -0600 |
commit | 516075a230d4801222cf0d1b8c8534e73c81c16a (patch) | |
tree | 417ff13e3eb31ceb865d95a81800045f4e424bb4 | |
parent | 462c5c0aa7989ea33fb4167daad0c0354b066f6b (diff) | |
download | linux-stable-516075a230d4801222cf0d1b8c8534e73c81c16a.tar.gz linux-stable-516075a230d4801222cf0d1b8c8534e73c81c16a.tar.bz2 linux-stable-516075a230d4801222cf0d1b8c8534e73c81c16a.zip |
dt-bindings: ufs: hisilicon,ufs: convert to dtschema
Convert the HiSilicon Universal Flash Storage (UFS) Controller to DT
schema format.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220306111125.116455-7-krzysztof.kozlowski@canonical.com
-rw-r--r-- | Documentation/devicetree/bindings/ufs/hisilicon,ufs.yaml | 90 | ||||
-rw-r--r-- | Documentation/devicetree/bindings/ufs/ufs-hisi.txt | 42 |
2 files changed, 90 insertions, 42 deletions
diff --git a/Documentation/devicetree/bindings/ufs/hisilicon,ufs.yaml b/Documentation/devicetree/bindings/ufs/hisilicon,ufs.yaml new file mode 100644 index 000000000000..4432bfa0cbc7 --- /dev/null +++ b/Documentation/devicetree/bindings/ufs/hisilicon,ufs.yaml @@ -0,0 +1,90 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/ufs/hisilicon,ufs.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: HiSilicon Universal Flash Storage (UFS) Controller + +maintainers: + - Li Wei <liwei213@huawei.com> + +# Select only our matches, not all jedec,ufs +select: + properties: + compatible: + contains: + enum: + - hisilicon,hi3660-ufs + - hisilicon,hi3670-ufs + required: + - compatible + +allOf: + - $ref: ufs-common.yaml + +properties: + compatible: + oneOf: + - items: + - const: hisilicon,hi3660-ufs + - const: jedec,ufs-1.1 + - items: + - enum: + - hisilicon,hi3670-ufs + - const: jedec,ufs-2.1 + + clocks: + minItems: 2 + maxItems: 2 + + clock-names: + items: + - const: ref_clk + - const: phy_clk + + reg: + items: + - description: UFS register address space + - description: UFS SYS CTRL register address space + + resets: + maxItems: 1 + + reset-names: + items: + - const: rst + +required: + - compatible + - reg + - resets + - reset-names + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/clock/hi3670-clock.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + + soc { + #address-cells = <2>; + #size-cells = <2>; + + ufs@ff3c0000 { + compatible = "hisilicon,hi3670-ufs", "jedec,ufs-2.1"; + reg = <0x0 0xff3c0000 0x0 0x1000>, + <0x0 0xff3e0000 0x0 0x1000>; + interrupt-parent = <&gic>; + interrupts = <GIC_SPI 278 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&crg_ctrl HI3670_CLK_GATE_UFSIO_REF>, + <&crg_ctrl HI3670_CLK_GATE_UFS_SUBSYS>; + clock-names = "ref_clk", "phy_clk"; + freq-table-hz = <0 0>, + <0 0>; + + resets = <&crg_rst 0x84 12>; + reset-names = "rst"; + }; + }; diff --git a/Documentation/devicetree/bindings/ufs/ufs-hisi.txt b/Documentation/devicetree/bindings/ufs/ufs-hisi.txt deleted file mode 100644 index 0b83df1a5418..000000000000 --- a/Documentation/devicetree/bindings/ufs/ufs-hisi.txt +++ /dev/null @@ -1,42 +0,0 @@ -* Hisilicon Universal Flash Storage (UFS) Host Controller - -UFS nodes are defined to describe on-chip UFS hardware macro. -Each UFS Host Controller should have its own node. - -Required properties: -- compatible : compatible list, contains one of the following - - "hisilicon,hi3660-ufs", "jedec,ufs-1.1" for hisi ufs - host controller present on Hi3660 chipset. - "hisilicon,hi3670-ufs", "jedec,ufs-2.1" for hisi ufs - host controller present on Hi3670 chipset. -- reg : should contain UFS register address space & UFS SYS CTRL register address, -- interrupts : interrupt number -- clocks : List of phandle and clock specifier pairs -- clock-names : List of clock input name strings sorted in the same - order as the clocks property. "ref_clk", "phy_clk" is optional -- freq-table-hz : Array of <min max> operating frequencies stored in the same - order as the clocks property. If this property is not - defined or a value in the array is "0" then it is assumed - that the frequency is set by the parent clock or a - fixed rate clock source. -- resets : describe reset node register -- reset-names : reset node register, the "rst" corresponds to reset the whole UFS IP. - -Example: - - ufs: ufs@ff3b0000 { - compatible = "hisilicon,hi3660-ufs", "jedec,ufs-1.1"; - /* 0: HCI standard */ - /* 1: UFS SYS CTRL */ - reg = <0x0 0xff3b0000 0x0 0x1000>, - <0x0 0xff3b1000 0x0 0x1000>; - interrupt-parent = <&gic>; - interrupts = <GIC_SPI 278 IRQ_TYPE_LEVEL_HIGH>; - clocks = <&crg_ctrl HI3660_CLK_GATE_UFSIO_REF>, - <&crg_ctrl HI3660_CLK_GATE_UFSPHY_CFG>; - clock-names = "ref_clk", "phy_clk"; - freq-table-hz = <0 0>, <0 0>; - /* offset: 0x84; bit: 12 */ - resets = <&crg_rst 0x84 12>; - reset-names = "rst"; - }; |