On 24/01/2023 12:23, Herve Codina wrote: > On Tue, 24 Jan 2023 11:02:52 +0100 > Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx> wrote: > >> On 24/01/2023 10:42, Herve Codina wrote: >>> Hi Krzysztof, >>> >>> On Tue, 17 Jan 2023 12:31:09 +0100 >>> Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx> wrote: >>> >>>> 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. >>> >>> Yes, indeed. >>> I will move 'fsl,tsa' to 'fsl,tsa-cell' with 'fsl,tsa-cell' a phandle/number >>> pair (the phandle to TSA node and the TSA cell id to use) >> >> Move to fsl,tsa, not from. > > Well, I plan to remove both fsl,tsa and fsl,tsa-cell-id and use this: > fsl,tsa-cell: > $ref: /schemas/types.yaml#/definitions/phandle-array > items: > - items: > - description: phandle to TSA node > - enum: [1, 2, 3] > description: | > TSA cell ID (dt-bindings/soc/fsl,tsa.h defines these values) > - 1: SCC2 > - 2: SCC3 > - 3: SCC4 > description: > Should be a phandle/number pair. The phandle to TSA node and the TSA > cell ID to use. > > Is that what you were thinking about ? Yes, except again, so third time, why calling this "cell"? Move it to fsl,tsa. Best regards, Krzysztof