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14854bfd9d
To perform reset on qca4019 wifi, multiple reset lines needs to be toggled in a sequence with help of reset controller support in the kernel. This patch adds functions to reset control init/deinit and release reset. Signed-off-by: Raja Mani <rmani@qti.qualcomm.com> Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
59 lines
1.6 KiB
C
59 lines
1.6 KiB
C
/*
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* Copyright (c) 2016 Qualcomm Atheros, Inc. All rights reserved.
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* Copyright (c) 2015 The Linux Foundation. All rights reserved.
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifndef _AHB_H_
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#define _AHB_H_
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#include <linux/platform_device.h>
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struct ath10k_ahb {
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struct platform_device *pdev;
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void __iomem *mem;
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void __iomem *gcc_mem;
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void __iomem *tcsr_mem;
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struct clk *cmd_clk;
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struct clk *ref_clk;
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struct clk *rtc_clk;
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struct reset_control *core_cold_rst;
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struct reset_control *radio_cold_rst;
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struct reset_control *radio_warm_rst;
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struct reset_control *radio_srif_rst;
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struct reset_control *cpu_init_rst;
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};
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#ifdef CONFIG_ATH10K_AHB
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int ath10k_ahb_init(void);
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void ath10k_ahb_exit(void);
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#else /* CONFIG_ATH10K_AHB */
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static inline int ath10k_ahb_init(void)
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{
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return 0;
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}
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static inline void ath10k_ahb_exit(void)
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{
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}
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#endif /* CONFIG_ATH10K_AHB */
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#endif /* _AHB_H_ */
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