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

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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: Daniel Mack <daniel@zonque.org>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220125093336.226787-3-daniel@zonque.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
This commit is contained in:
Daniel Mack 2022-01-25 10:33:29 +01:00 committed by Stephen Boyd
parent 8e972afb3b
commit 68643c3735
2 changed files with 28 additions and 0 deletions
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14
Documentation/devicetree/bindings/clock/cirrus,cs2000-cp.yaml
View File

@ -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>;
};
};

14
include/dt-bindings/clock/cirrus,cs2000-cp.h Normal file
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@ -0,0 +1,14 @@
/* 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 */