Re: [PATCH v6 01/10] dt-bindings: soc: fsl: cpm_qe: Add TSA controller
From: Rob Herring <robh@kernel.org>
Date: 2023-02-26 17:48:45
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alsa-devel, linux-arm-kernel, linux-devicetree, lkml
On Fri, Feb 17, 2023 at 03:56:36PM +0100, Herve Codina wrote:
quoted hunk ↗ jump to hunk
Add support for the time slot assigner (TSA) available in some PowerQUICC SoC such as MPC885 or MPC866. Signed-off-by: Herve Codina <herve.codina@bootlin.com> --- .../bindings/soc/fsl/cpm_qe/fsl,cpm1-tsa.yaml | 215 ++++++++++++++++++ include/dt-bindings/soc/cpm1-fsl,tsa.h | 13 ++ 2 files changed, 228 insertions(+) create mode 100644 Documentation/devicetree/bindings/soc/fsl/cpm_qe/fsl,cpm1-tsa.yaml create mode 100644 include/dt-bindings/soc/cpm1-fsl,tsa.hdiff --git a/Documentation/devicetree/bindings/soc/fsl/cpm_qe/fsl,cpm1-tsa.yaml b/Documentation/devicetree/bindings/soc/fsl/cpm_qe/fsl,cpm1-tsa.yaml new file mode 100644 index 000000000000..332e902bcc21 --- /dev/null +++ b/Documentation/devicetree/bindings/soc/fsl/cpm_qe/fsl,cpm1-tsa.yaml@@ -0,0 +1,215 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/soc/fsl/cpm_qe/fsl,cpm1-tsa.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: PowerQUICC CPM Time-slot assigner (TSA) controller + +maintainers: + - Herve Codina <herve.codina@bootlin.com> + +description: + The TSA is the time-slot assigner that can be found on some PowerQUICC SoC. + Its purpose is to route some TDM time-slots to other internal serial + controllers. + +properties: + compatible: + items: + - enum: + - fsl,mpc885-tsa + - fsl,mpc866-tsa + - const: fsl,cpm1-tsa + + reg: + items: + - description: SI (Serial Interface) register base + - description: SI RAM base + + reg-names: + items: + - const: si_regs + - const: si_ram + + '#address-cells': + const: 1 + + '#size-cells': + const: 0 + + '#fsl,serial-cells':
#foo-cells is for when there are differing foo providers which need different number of cells. That's not the case here.
+ $ref: /schemas/types.yaml#/definitions/uint32 + const: 1 + description: + TSA consumers that use a phandle to TSA need to pass the serial identifier + with this phandle (defined in dt-bindings/soc/fsl,tsa.h). + For instance "fsl,tsa-serial = <&tsa FSL_CPM_TSA_SCC4>;".