mirror of https://gitee.com/openkylin/linux.git
52 lines
1.5 KiB
C
52 lines
1.5 KiB
C
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/*
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* Copyright (c) 2010-2011,2013-2015 The Linux Foundation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 and
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* only version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* lpass.h - Definitions for the QTi LPASS
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*/
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#ifndef __LPASS_H__
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#define __LPASS_H__
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#include <linux/clk.h>
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#include <linux/compiler.h>
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#include <linux/platform_device.h>
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#include <linux/regmap.h>
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#define LPASS_AHBIX_CLOCK_FREQUENCY 131072000
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/* Both the CPU DAI and platform drivers will access this data */
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struct lpass_data {
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/* AHB-I/X bus clocks inside the low-power audio subsystem (LPASS) */
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struct clk *ahbix_clk;
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/* MI2S system clock */
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struct clk *mi2s_osr_clk;
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/* MI2S bit clock (derived from system clock by a divider */
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struct clk *mi2s_bit_clk;
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/* low-power audio interface (LPAIF) registers */
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void __iomem *lpaif;
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/* regmap backed by the low-power audio interface (LPAIF) registers */
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struct regmap *lpaif_map;
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/* interrupts from the low-power audio interface (LPAIF) */
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int lpaif_irq;
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};
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/* register the platform driver from the CPU DAI driver */
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int asoc_qcom_lpass_platform_register(struct platform_device *);
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#endif /* __LPASS_H__ */
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