| Message ID | 20211208003727.3596577-15-f.fainelli@gmail.com (mailing list archive) |
|---|---|
| State | Not Applicable, archived |
| Headers | show |
| Series | Broadcom DT bindings updates to YAML | expand |
On Tue, Dec 07, 2021 at 04:37:25PM -0800, Florian Fainelli wrote: > Convert the Broadcom STB GISB bus arbiter to YAML to help with > validation. > > Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> > --- > .../devicetree/bindings/bus/brcm,gisb-arb.txt | 34 ---------- > .../bindings/bus/brcm,gisb-arb.yaml | 66 +++++++++++++++++++ > 2 files changed, 66 insertions(+), 34 deletions(-) > delete mode 100644 Documentation/devicetree/bindings/bus/brcm,gisb-arb.txt > create mode 100644 Documentation/devicetree/bindings/bus/brcm,gisb-arb.yaml > > diff --git a/Documentation/devicetree/bindings/bus/brcm,gisb-arb.txt b/Documentation/devicetree/bindings/bus/brcm,gisb-arb.txt > deleted file mode 100644 > index 10f6d0a8159d..000000000000 > --- a/Documentation/devicetree/bindings/bus/brcm,gisb-arb.txt > +++ /dev/null > @@ -1,34 +0,0 @@ > -Broadcom GISB bus Arbiter controller > - > -Required properties: > - > -- compatible: > - "brcm,bcm7278-gisb-arb" for V7 28nm chips > - "brcm,gisb-arb" or "brcm,bcm7445-gisb-arb" for other 28nm chips > - "brcm,bcm7435-gisb-arb" for newer 40nm chips > - "brcm,bcm7400-gisb-arb" for older 40nm chips and all 65nm chips > - "brcm,bcm7038-gisb-arb" for 130nm chips > -- reg: specifies the base physical address and size of the registers > -- interrupts: specifies the two interrupts (timeout and TEA) to be used from > - the parent interrupt controller. A third optional interrupt may be specified > - for breakpoints. > - > -Optional properties: > - > -- brcm,gisb-arb-master-mask: 32-bits wide bitmask used to specify which GISB > - masters are valid at the system level > -- brcm,gisb-arb-master-names: string list of the litteral name of the GISB > - masters. Should match the number of bits set in brcm,gisb-master-mask and > - the order in which they appear > - > -Example: > - > -gisb-arb@f0400000 { > - compatible = "brcm,gisb-arb"; > - reg = <0xf0400000 0x800>; > - interrupts = <0>, <2>; > - interrupt-parent = <&sun_l2_intc>; > - > - brcm,gisb-arb-master-mask = <0x7>; > - brcm,gisb-arb-master-names = "bsp_0", "scpu_0", "cpu_0"; > -}; > diff --git a/Documentation/devicetree/bindings/bus/brcm,gisb-arb.yaml b/Documentation/devicetree/bindings/bus/brcm,gisb-arb.yaml > new file mode 100644 > index 000000000000..483b019275cd > --- /dev/null > +++ b/Documentation/devicetree/bindings/bus/brcm,gisb-arb.yaml > @@ -0,0 +1,66 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/bus/brcm,gisb-arb.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Broadcom GISB bus Arbiter controller > + > +maintainers: > + - Florian Fainelli <f.fainelli@gmail.com> > + > +properties: > + compatible: > + oneOf: > + - items: > + - enum: > + - brcm,bcm7445-gisb-arb > + - const: brcm,gisb-arb > + - items: > + - const: brcm,bcm7278-gisb-arb > + - items: > + - const: brcm,bcm7435-gisb-arb > + - items: > + - const: brcm,bcm7400-gisb-arb > + - items: > + - const: brcm,bcm7038-gisb-arb > + - items: > + - const: brcm,gisb-arb All these can be 1 enum. > + > + reg: > + maxItems: 1 > + > + interrupts: > + minItems: 2 > + maxItems: 3 We lost what is each interrupt. Do something like this: minItems: 2 items: - description: ... - description: ... - description: ... > + > + brcm,gisb-arb-master-mask: > + $ref: /schemas/types.yaml#/definitions/uint32 > + description: > > + 32-bits wide bitmask used to specify which GISB masters are valid at the > + system level > + > + brcm,gisb-arb-master-names: > + $ref: /schemas/types.yaml#/definitions/string-array > + description: > > + String list of the litteral name of the GISB masters. Should match the > + number of bits set in brcm,gisb-master-mask and the order in which they LSB to MSB or ??? > + appear period ^ > + > +required: > + - compatible > + - reg > + - interrupts > + > +additionalProperties: false > + > +examples: > + - | > + gisb-arb@f0400000 { > + compatible = "brcm,gisb-arb"; > + reg = <0xf0400000 0x800>; > + interrupts = <0>, <2>; > + interrupt-parent = <&sun_l2_intc>; > + brcm,gisb-arb-master-mask = <0x7>; > + brcm,gisb-arb-master-names = "bsp_0", "scpu_0", "cpu_0"; > + }; > -- > 2.25.1 > >
diff --git a/Documentation/devicetree/bindings/bus/brcm,gisb-arb.txt b/Documentation/devicetree/bindings/bus/brcm,gisb-arb.txt deleted file mode 100644 index 10f6d0a8159d..000000000000 --- a/Documentation/devicetree/bindings/bus/brcm,gisb-arb.txt +++ /dev/null @@ -1,34 +0,0 @@ -Broadcom GISB bus Arbiter controller - -Required properties: - -- compatible: - "brcm,bcm7278-gisb-arb" for V7 28nm chips - "brcm,gisb-arb" or "brcm,bcm7445-gisb-arb" for other 28nm chips - "brcm,bcm7435-gisb-arb" for newer 40nm chips - "brcm,bcm7400-gisb-arb" for older 40nm chips and all 65nm chips - "brcm,bcm7038-gisb-arb" for 130nm chips -- reg: specifies the base physical address and size of the registers -- interrupts: specifies the two interrupts (timeout and TEA) to be used from - the parent interrupt controller. A third optional interrupt may be specified - for breakpoints. - -Optional properties: - -- brcm,gisb-arb-master-mask: 32-bits wide bitmask used to specify which GISB - masters are valid at the system level -- brcm,gisb-arb-master-names: string list of the litteral name of the GISB - masters. Should match the number of bits set in brcm,gisb-master-mask and - the order in which they appear - -Example: - -gisb-arb@f0400000 { - compatible = "brcm,gisb-arb"; - reg = <0xf0400000 0x800>; - interrupts = <0>, <2>; - interrupt-parent = <&sun_l2_intc>; - - brcm,gisb-arb-master-mask = <0x7>; - brcm,gisb-arb-master-names = "bsp_0", "scpu_0", "cpu_0"; -}; diff --git a/Documentation/devicetree/bindings/bus/brcm,gisb-arb.yaml b/Documentation/devicetree/bindings/bus/brcm,gisb-arb.yaml new file mode 100644 index 000000000000..483b019275cd --- /dev/null +++ b/Documentation/devicetree/bindings/bus/brcm,gisb-arb.yaml @@ -0,0 +1,66 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/bus/brcm,gisb-arb.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Broadcom GISB bus Arbiter controller + +maintainers: + - Florian Fainelli <f.fainelli@gmail.com> + +properties: + compatible: + oneOf: + - items: + - enum: + - brcm,bcm7445-gisb-arb + - const: brcm,gisb-arb + - items: + - const: brcm,bcm7278-gisb-arb + - items: + - const: brcm,bcm7435-gisb-arb + - items: + - const: brcm,bcm7400-gisb-arb + - items: + - const: brcm,bcm7038-gisb-arb + - items: + - const: brcm,gisb-arb + + reg: + maxItems: 1 + + interrupts: + minItems: 2 + maxItems: 3 + + brcm,gisb-arb-master-mask: + $ref: /schemas/types.yaml#/definitions/uint32 + description: > + 32-bits wide bitmask used to specify which GISB masters are valid at the + system level + + brcm,gisb-arb-master-names: + $ref: /schemas/types.yaml#/definitions/string-array + description: > + String list of the litteral name of the GISB masters. Should match the + number of bits set in brcm,gisb-master-mask and the order in which they + appear + +required: + - compatible + - reg + - interrupts + +additionalProperties: false + +examples: + - | + gisb-arb@f0400000 { + compatible = "brcm,gisb-arb"; + reg = <0xf0400000 0x800>; + interrupts = <0>, <2>; + interrupt-parent = <&sun_l2_intc>; + brcm,gisb-arb-master-mask = <0x7>; + brcm,gisb-arb-master-names = "bsp_0", "scpu_0", "cpu_0"; + };
Convert the Broadcom STB GISB bus arbiter to YAML to help with validation. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> --- .../devicetree/bindings/bus/brcm,gisb-arb.txt | 34 ---------- .../bindings/bus/brcm,gisb-arb.yaml | 66 +++++++++++++++++++ 2 files changed, 66 insertions(+), 34 deletions(-) delete mode 100644 Documentation/devicetree/bindings/bus/brcm,gisb-arb.txt create mode 100644 Documentation/devicetree/bindings/bus/brcm,gisb-arb.yaml