Commit 68643c37 authored by Daniel Mack's avatar Daniel Mack Committed by Stephen Boyd
Browse files

dt-bindings: clock: cs2000-cp: document aux-output-source 



This new optional property can be used to control the function of the
auxiliary output pin. Introduce a new dt-bindings include file that
contains the numerical values.

Signed-off-by: default avatarDaniel Mack <daniel@zonque.org>
Acked-by: default avatarRob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220125093336.226787-3-daniel@zonque.org


Signed-off-by: default avatarStephen Boyd <sboyd@kernel.org>
parent 8e972afb

Documentation/devicetree/bindings/clock/cirrus,cs2000-cp.yaml

+14 −0
Original line number Diff line number Diff line
@@ -37,6 +37,17 @@ properties: 
  reg:

    maxItems: 1



  cirrus,aux-output-source:

    description:

      Specifies the function of the auxiliary clock output pin

    $ref: /schemas/types.yaml#/definitions/uint32

    enum:

      - 0 # CS2000CP_AUX_OUTPUT_REF_CLK:  ref_clk input

      - 1 # CS2000CP_AUX_OUTPUT_CLK_IN:   clk_in input

      - 2 # CS2000CP_AUX_OUTPUT_CLK_OUT:  clk_out output

      - 3 # CS2000CP_AUX_OUTPUT_PLL_LOCK: pll lock status

    default: 0



required:

  - compatible

  - reg
@@ -48,6 +59,8 @@ additionalProperties: false 


examples:

  - |

    #include <dt-bindings/clock/cirrus,cs2000-cp.h>



    i2c@0 {

      reg = <0x0 0x100>;

      #address-cells = <1>;
@@ -59,5 +72,6 @@ examples: 
        reg = <0x4f>;

        clocks = <&rcar_sound 0>, <&x12_clk>;

        clock-names = "clk_in", "ref_clk";

        cirrus,aux-output-source = <CS2000CP_AUX_OUTPUT_CLK_OUT>;

      };

    };

include/dt-bindings/clock/cirrus,cs2000-cp.h

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/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */

/*

 * Copyright (C) 2021 Daniel Mack

 */



#ifndef __DT_BINDINGS_CS2000CP_CLK_H

#define __DT_BINDINGS_CS2000CP_CLK_H



#define CS2000CP_AUX_OUTPUT_REF_CLK	0

#define CS2000CP_AUX_OUTPUT_CLK_IN	1

#define CS2000CP_AUX_OUTPUT_CLK_OUT	2

#define CS2000CP_AUX_OUTPUT_PLL_LOCK	3



#endif /* __DT_BINDINGS_CS2000CP_CLK_H */