On 13/01/2023 11:37, Herve Codina wrote: > Add support for the QMC (QUICC Multichannel Controller) > available in some PowerQUICC SoC such as MPC885 or MPC866. > > Signed-off-by: Herve Codina <herve.codina@xxxxxxxxxxx> > --- > .../bindings/soc/fsl/cpm_qe/fsl,qmc.yaml | 164 ++++++++++++++++++ > 1 file changed, 164 insertions(+) > create mode 100644 Documentation/devicetree/bindings/soc/fsl/cpm_qe/fsl,qmc.yaml > > diff --git a/Documentation/devicetree/bindings/soc/fsl/cpm_qe/fsl,qmc.yaml b/Documentation/devicetree/bindings/soc/fsl/cpm_qe/fsl,qmc.yaml > new file mode 100644 > index 000000000000..3ec52f1635c8 > --- /dev/null > +++ b/Documentation/devicetree/bindings/soc/fsl/cpm_qe/fsl,qmc.yaml > @@ -0,0 +1,164 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/soc/fsl/cpm_qe/fsl,qmc.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: PowerQUICC CPM QUICC Multichannel Controller (QMC) > + > +maintainers: > + - Herve Codina <herve.codina@xxxxxxxxxxx> > + > +description: | > + The QMC (QUICC Multichannel Controller) emulates up to 64 channels within > + one serial controller using the same TDM physical interface routed from > + TSA. > + > +properties: > + compatible: > + items: > + - enum: > + - fsl,mpc885-scc-qmc > + - fsl,mpc866-scc-qmc > + - const: fsl,cpm1-scc-qmc > + > + reg: > + items: > + - description: SCC (Serial communication controller) register base > + - description: SCC parameter ram base > + - description: Dual port ram base > + > + reg-names: > + items: > + - const: scc_regs > + - const: scc_pram > + - const: dpram > + > + interrupts: > + maxItems: 1 > + description: SCC interrupt line in the CPM interrupt controller > + > + fsl,tsa: > + $ref: /schemas/types.yaml#/definitions/phandle > + description: phandle to the TSA > + > + fsl,tsa-cell-id: > + $ref: /schemas/types.yaml#/definitions/uint32 > + enum: [1, 2, 3] > + description: | > + TSA cell ID (dt-bindings/soc/fsl,tsa.h defines these values) > + - 1: SCC2 > + - 2: SCC3 > + - 3: SCC4 Is this used as argument to tsa? If so, this should be part of fsl,tsa property, just like we do for all syscon-like phandles. > + > + '#address-cells': > + const: 1 > + > + '#size-cells': > + const: 0 > + > + '#chan-cells': > + const: 1 > + > +patternProperties: > + '^channel@([0-9]|[1-5][0-9]|6[0-3])$': > + description: > + A channel managed by this controller > + type: object > + > + properties: > + reg: > + minimum: 0 > + maximum: 63 > + description: > + The channel number > + > + fsl,mode: > + $ref: /schemas/types.yaml#/definitions/string > + enum: [transparent, hdlc] > + default: transparent > + description: Operational mode You still need to explain what do transparent and hdlc mean. > + Best regards, Krzysztof
