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dt-bindings: clock: sifive: add FU540-C000 PRCI clock constants 

Add preprocessor macros for the important PRCI output clocks
that are needed by both the FU540 PRCI driver and DT data.
Details are available in the FU540 manual in Chapter 7 of

    https://static.dev.sifive.com/FU540-C000-v1.0.pdf

Signed-off-by: Paul Walmsley <paul.walmsley@sifive.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
This commit is contained in:
Paul Walmsley 2019-04-03 17:38:20 -07:00 committed by Palmer Dabbelt
parent 1b937e8faa
commit 6ec4bae178
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1 changed files with 18 additions and 0 deletions
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include/dt-bindings/clock/sifive-fu540-prci.h Normal file
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/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2018-2019 SiFive, Inc.
* Wesley Terpstra
* Paul Walmsley
*/
#ifndef __DT_BINDINGS_CLOCK_SIFIVE_FU540_PRCI_H
#define __DT_BINDINGS_CLOCK_SIFIVE_FU540_PRCI_H
/* Clock indexes for use by Device Tree data and the PRCI driver */
#define PRCI_CLK_COREPLL 0
#define PRCI_CLK_DDRPLL 1
#define PRCI_CLK_GEMGXLPLL 2
#define PRCI_CLK_TLCLK 3
#endif