| Message ID | 20220219184224.44339-4-krzysztof.kozlowski@canonical.com |
|---|---|
| State | New |
| Headers | show |
| Series | dt-bindings: ufs: add common platform bindings + fixes | expand |
On 19/02/2022 19:42, Krzysztof Kozlowski wrote: > Convert the Cadence Universal Flash Storage (UFS) Controlle to DT schema > format. > > Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> > --- > .../devicetree/bindings/ufs/cdns,ufshc.txt | 32 ----------- > .../devicetree/bindings/ufs/cdns,ufshc.yaml | 56 +++++++++++++++++++ > 2 files changed, 56 insertions(+), 32 deletions(-) > delete mode 100644 Documentation/devicetree/bindings/ufs/cdns,ufshc.txt > create mode 100644 Documentation/devicetree/bindings/ufs/cdns,ufshc.yaml > > diff --git a/Documentation/devicetree/bindings/ufs/cdns,ufshc.txt b/Documentation/devicetree/bindings/ufs/cdns,ufshc.txt > deleted file mode 100644 > index 02347b017abd..000000000000 > --- a/Documentation/devicetree/bindings/ufs/cdns,ufshc.txt > +++ /dev/null > @@ -1,32 +0,0 @@ > -* Cadence Universal Flash Storage (UFS) Controller > - > -UFS nodes are defined to describe on-chip UFS host controllers. > -Each UFS controller instance should have its own node. > -Please see the ufshcd-pltfrm.txt for a list of all available properties. > - > -Required properties: > -- compatible : Compatible list, contains one of the following controllers: > - "cdns,ufshc" - Generic CDNS HCI, > - "cdns,ufshc-m31-16nm" - CDNS UFS HC + M31 16nm PHY > - complemented with the JEDEC version: > - "jedec,ufs-2.0" > - > -- reg : Address and length of the UFS register set. > -- interrupts : One interrupt mapping. > -- freq-table-hz : Clock frequency table. > - See the ufshcd-pltfrm.txt for details. > -- 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. "core_clk" is mandatory. > - Depending on a type of a PHY, > - the "phy_clk" clock can also be added, if needed. > - > -Example: > - ufs@fd030000 { > - compatible = "cdns,ufshc", "jedec,ufs-2.0"; > - reg = <0xfd030000 0x10000>; > - interrupts = <0 1 IRQ_TYPE_LEVEL_HIGH>; > - freq-table-hz = <0 0>, <0 0>; > - clocks = <&ufs_core_clk>, <&ufs_phy_clk>; > - clock-names = "core_clk", "phy_clk"; > - }; > diff --git a/Documentation/devicetree/bindings/ufs/cdns,ufshc.yaml b/Documentation/devicetree/bindings/ufs/cdns,ufshc.yaml > new file mode 100644 > index 000000000000..68ae5663cd25 > --- /dev/null > +++ b/Documentation/devicetree/bindings/ufs/cdns,ufshc.yaml > @@ -0,0 +1,56 @@ > +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/ufs/cdns,ufshc.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Cadence Universal Flash Storage (UFS) Controller > + > +maintainers: > + - Jan Kotas <jank@cadence.com> > + This will require a "select:" to avoid clash with qcom (and maybe other) schemas. Best regards, Krzysztof
diff --git a/Documentation/devicetree/bindings/ufs/cdns,ufshc.txt b/Documentation/devicetree/bindings/ufs/cdns,ufshc.txt deleted file mode 100644 index 02347b017abd..000000000000 --- a/Documentation/devicetree/bindings/ufs/cdns,ufshc.txt +++ /dev/null @@ -1,32 +0,0 @@ -* Cadence Universal Flash Storage (UFS) Controller - -UFS nodes are defined to describe on-chip UFS host controllers. -Each UFS controller instance should have its own node. -Please see the ufshcd-pltfrm.txt for a list of all available properties. - -Required properties: -- compatible : Compatible list, contains one of the following controllers: - "cdns,ufshc" - Generic CDNS HCI, - "cdns,ufshc-m31-16nm" - CDNS UFS HC + M31 16nm PHY - complemented with the JEDEC version: - "jedec,ufs-2.0" - -- reg : Address and length of the UFS register set. -- interrupts : One interrupt mapping. -- freq-table-hz : Clock frequency table. - See the ufshcd-pltfrm.txt for details. -- 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. "core_clk" is mandatory. - Depending on a type of a PHY, - the "phy_clk" clock can also be added, if needed. - -Example: - ufs@fd030000 { - compatible = "cdns,ufshc", "jedec,ufs-2.0"; - reg = <0xfd030000 0x10000>; - interrupts = <0 1 IRQ_TYPE_LEVEL_HIGH>; - freq-table-hz = <0 0>, <0 0>; - clocks = <&ufs_core_clk>, <&ufs_phy_clk>; - clock-names = "core_clk", "phy_clk"; - }; diff --git a/Documentation/devicetree/bindings/ufs/cdns,ufshc.yaml b/Documentation/devicetree/bindings/ufs/cdns,ufshc.yaml new file mode 100644 index 000000000000..68ae5663cd25 --- /dev/null +++ b/Documentation/devicetree/bindings/ufs/cdns,ufshc.yaml @@ -0,0 +1,56 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/ufs/cdns,ufshc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Cadence Universal Flash Storage (UFS) Controller + +maintainers: + - Jan Kotas <jank@cadence.com> + +allOf: + - $ref: ufs-common.yaml + +properties: + compatible: + items: + - enum: + - cdns,ufshc + # CDNS UFS HC + M31 16nm PHY + - cdns,ufshc-m31-16nm + - const: jedec,ufs-2.0 + + reg: + maxItems: 1 + + clocks: + minItems: 1 + maxItems: 3 + + clock-names: + items: + - const: core_clk + - const: phy_clk + - const: ref_clk + +required: + - compatible + - clocks + - clock-names + - reg + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + + ufs@fd030000 { + compatible = "cdns,ufshc", "jedec,ufs-2.0"; + reg = <0xfd030000 0x10000>; + interrupts = <GIC_SPI 1 IRQ_TYPE_LEVEL_HIGH>; + freq-table = <0 0 0 0>; + clocks = <&ufs_core_clk>, <&ufs_phy_clk>; + clock-names = "core_clk", "phy_clk"; + };
Convert the Cadence Universal Flash Storage (UFS) Controlle to DT schema format. Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> --- .../devicetree/bindings/ufs/cdns,ufshc.txt | 32 ----------- .../devicetree/bindings/ufs/cdns,ufshc.yaml | 56 +++++++++++++++++++ 2 files changed, 56 insertions(+), 32 deletions(-) delete mode 100644 Documentation/devicetree/bindings/ufs/cdns,ufshc.txt create mode 100644 Documentation/devicetree/bindings/ufs/cdns,ufshc.yaml