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69 lines
1.5 KiB
69 lines
1.5 KiB
/* SPDX-License-Identifier: GPL-2.0-only */ |
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/* |
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* Copyright (c) 2016 Maxime Ripard. All rights reserved. |
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*/ |
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#ifndef _COMMON_H_ |
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#define _COMMON_H_ |
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#include <linux/compiler.h> |
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#include <linux/clk-provider.h> |
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#define CCU_FEATURE_FRACTIONAL BIT(0) |
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#define CCU_FEATURE_VARIABLE_PREDIV BIT(1) |
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#define CCU_FEATURE_FIXED_PREDIV BIT(2) |
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#define CCU_FEATURE_FIXED_POSTDIV BIT(3) |
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#define CCU_FEATURE_ALL_PREDIV BIT(4) |
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#define CCU_FEATURE_LOCK_REG BIT(5) |
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#define CCU_FEATURE_MMC_TIMING_SWITCH BIT(6) |
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#define CCU_FEATURE_SIGMA_DELTA_MOD BIT(7) |
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/* MMC timing mode switch bit */ |
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#define CCU_MMC_NEW_TIMING_MODE BIT(30) |
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struct device_node; |
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struct ccu_common { |
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void __iomem *base; |
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u16 reg; |
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u16 lock_reg; |
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u32 prediv; |
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unsigned long features; |
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spinlock_t *lock; |
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struct clk_hw hw; |
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}; |
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static inline struct ccu_common *hw_to_ccu_common(struct clk_hw *hw) |
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{ |
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return container_of(hw, struct ccu_common, hw); |
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} |
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struct sunxi_ccu_desc { |
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struct ccu_common **ccu_clks; |
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unsigned long num_ccu_clks; |
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struct clk_hw_onecell_data *hw_clks; |
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struct ccu_reset_map *resets; |
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unsigned long num_resets; |
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}; |
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void ccu_helper_wait_for_lock(struct ccu_common *common, u32 lock); |
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struct ccu_pll_nb { |
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struct notifier_block clk_nb; |
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struct ccu_common *common; |
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u32 enable; |
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u32 lock; |
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}; |
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#define to_ccu_pll_nb(_nb) container_of(_nb, struct ccu_pll_nb, clk_nb) |
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int ccu_pll_notifier_register(struct ccu_pll_nb *pll_nb); |
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int sunxi_ccu_probe(struct device_node *node, void __iomem *reg, |
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const struct sunxi_ccu_desc *desc); |
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#endif /* _COMMON_H_ */
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