457 lines
16 KiB
C
457 lines
16 KiB
C
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/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __MACH_IMX_CLK_H
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#define __MACH_IMX_CLK_H
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#include <linux/bits.h>
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#include <linux/spinlock.h>
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#include <linux/clk-provider.h>
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extern spinlock_t imx_ccm_lock;
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void imx_check_clocks(struct clk *clks[], unsigned int count);
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void imx_check_clk_hws(struct clk_hw *clks[], unsigned int count);
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#ifndef MODULE
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void imx_register_uart_clocks(unsigned int clk_count);
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#else
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static inline void imx_register_uart_clocks(unsigned int clk_count)
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{
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}
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#endif
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void imx_mmdc_mask_handshake(void __iomem *ccm_base, unsigned int chn);
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void imx_unregister_clocks(struct clk *clks[], unsigned int count);
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void imx_unregister_hw_clocks(struct clk_hw *hws[], unsigned int count);
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extern void imx_cscmr1_fixup(u32 *val);
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enum imx_pllv1_type {
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IMX_PLLV1_IMX1,
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IMX_PLLV1_IMX21,
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IMX_PLLV1_IMX25,
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IMX_PLLV1_IMX27,
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IMX_PLLV1_IMX31,
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IMX_PLLV1_IMX35,
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};
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enum imx_sscg_pll_type {
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SCCG_PLL1,
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SCCG_PLL2,
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};
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enum imx_pll14xx_type {
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PLL_1416X,
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PLL_1443X,
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};
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enum imx_pllv4_type {
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IMX_PLLV4_IMX7ULP,
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IMX_PLLV4_IMX8ULP,
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};
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enum imx_pfdv2_type {
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IMX_PFDV2_IMX7ULP,
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IMX_PFDV2_IMX8ULP,
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};
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/* NOTE: Rate table should be kept sorted in descending order. */
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struct imx_pll14xx_rate_table {
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unsigned int rate;
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unsigned int pdiv;
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unsigned int mdiv;
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unsigned int sdiv;
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unsigned int kdiv;
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};
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struct imx_pll14xx_clk {
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enum imx_pll14xx_type type;
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const struct imx_pll14xx_rate_table *rate_table;
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int rate_count;
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int flags;
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};
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extern struct imx_pll14xx_clk imx_1416x_pll;
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extern struct imx_pll14xx_clk imx_1443x_pll;
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extern struct imx_pll14xx_clk imx_1443x_dram_pll;
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/* NOTE: Rate table should be kept sorted in descending order. */
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struct imx_fracn_gppll_rate_table {
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unsigned int rate;
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unsigned int mfi;
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unsigned int mfn;
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unsigned int mfd;
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unsigned int rdiv;
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unsigned int odiv;
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};
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struct imx_fracn_gppll_clk {
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const struct imx_fracn_gppll_rate_table *rate_table;
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int rate_count;
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int flags;
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};
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struct clk_hw *imx_clk_fracn_gppll(const char *name, const char *parent_name, void __iomem *base,
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const struct imx_fracn_gppll_clk *pll_clk);
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extern struct imx_fracn_gppll_clk imx_fracn_gppll;
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#define imx_clk_cpu(name, parent_name, div, mux, pll, step) \
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to_clk(imx_clk_hw_cpu(name, parent_name, div, mux, pll, step))
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#define clk_register_gate2(dev, name, parent_name, flags, reg, bit_idx, \
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cgr_val, cgr_mask, clk_gate_flags, lock, share_count) \
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to_clk(clk_hw_register_gate2(dev, name, parent_name, flags, reg, bit_idx, \
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cgr_val, cgr_mask, clk_gate_flags, lock, share_count))
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#define imx_clk_pllv3(type, name, parent_name, base, div_mask) \
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to_clk(imx_clk_hw_pllv3(type, name, parent_name, base, div_mask))
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#define imx_clk_pfd(name, parent_name, reg, idx) \
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to_clk(imx_clk_hw_pfd(name, parent_name, reg, idx))
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#define imx_clk_gate_exclusive(name, parent, reg, shift, exclusive_mask) \
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to_clk(imx_clk_hw_gate_exclusive(name, parent, reg, shift, exclusive_mask))
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#define imx_clk_fixed(name, rate) \
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to_clk(imx_clk_hw_fixed(name, rate))
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#define imx_clk_fixed_factor(name, parent, mult, div) \
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to_clk(imx_clk_hw_fixed_factor(name, parent, mult, div))
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#define imx_clk_divider(name, parent, reg, shift, width) \
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to_clk(imx_clk_hw_divider(name, parent, reg, shift, width))
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#define imx_clk_divider_flags(name, parent, reg, shift, width, flags) \
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to_clk(imx_clk_hw_divider_flags(name, parent, reg, shift, width, flags))
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#define imx_clk_gate(name, parent, reg, shift) \
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to_clk(imx_clk_hw_gate(name, parent, reg, shift))
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#define imx_clk_gate_dis(name, parent, reg, shift) \
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to_clk(imx_clk_hw_gate_dis(name, parent, reg, shift))
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#define imx_clk_gate2(name, parent, reg, shift) \
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to_clk(imx_clk_hw_gate2(name, parent, reg, shift))
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#define imx_clk_gate2_cgr(name, parent, reg, shift, cgr_val) \
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to_clk(__imx_clk_hw_gate2(name, parent, reg, shift, cgr_val, 0, NULL))
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#define imx_clk_gate2_flags(name, parent, reg, shift, flags) \
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to_clk(imx_clk_hw_gate2_flags(name, parent, reg, shift, flags))
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#define imx_clk_mux(name, reg, shift, width, parents, num_parents) \
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to_clk(imx_clk_hw_mux(name, reg, shift, width, parents, num_parents))
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#define imx_clk_mux_flags(name, reg, shift, width, parents, num_parents, flags) \
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to_clk(imx_clk_hw_mux_flags(name, reg, shift, width, parents, num_parents, flags))
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#define imx_clk_mux2_flags(name, reg, shift, width, parents, num_parents, flags) \
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to_clk(imx_clk_hw_mux2_flags(name, reg, shift, width, parents, num_parents, flags))
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#define imx_clk_pllv1(type, name, parent, base) \
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to_clk(imx_clk_hw_pllv1(type, name, parent, base))
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#define imx_clk_pllv2(name, parent, base) \
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to_clk(imx_clk_hw_pllv2(name, parent, base))
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#define imx_clk_mux_flags(name, reg, shift, width, parents, num_parents, flags) \
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to_clk(imx_clk_hw_mux_flags(name, reg, shift, width, parents, num_parents, flags))
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#define imx_clk_hw_gate(name, parent, reg, shift) \
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imx_clk_hw_gate_flags(name, parent, reg, shift, 0)
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#define imx_clk_hw_gate2(name, parent, reg, shift) \
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imx_clk_hw_gate2_flags(name, parent, reg, shift, 0)
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#define imx_clk_hw_gate_dis(name, parent, reg, shift) \
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imx_clk_hw_gate_dis_flags(name, parent, reg, shift, 0)
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#define imx_clk_hw_gate_dis_flags(name, parent, reg, shift, flags) \
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__imx_clk_hw_gate(name, parent, reg, shift, flags, CLK_GATE_SET_TO_DISABLE)
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#define imx_clk_hw_gate_flags(name, parent, reg, shift, flags) \
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__imx_clk_hw_gate(name, parent, reg, shift, flags, 0)
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#define imx_clk_hw_gate2_flags(name, parent, reg, shift, flags) \
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__imx_clk_hw_gate2(name, parent, reg, shift, 0x3, flags, NULL)
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#define imx_clk_hw_gate2_shared(name, parent, reg, shift, shared_count) \
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__imx_clk_hw_gate2(name, parent, reg, shift, 0x3, 0, shared_count)
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#define imx_clk_hw_gate2_shared2(name, parent, reg, shift, shared_count) \
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__imx_clk_hw_gate2(name, parent, reg, shift, 0x3, CLK_OPS_PARENT_ENABLE, shared_count)
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#define imx_clk_hw_gate3(name, parent, reg, shift) \
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imx_clk_hw_gate3_flags(name, parent, reg, shift, 0)
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#define imx_clk_hw_gate3_flags(name, parent, reg, shift, flags) \
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__imx_clk_hw_gate(name, parent, reg, shift, flags | CLK_OPS_PARENT_ENABLE, 0)
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#define imx_clk_hw_gate4(name, parent, reg, shift) \
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imx_clk_hw_gate4_flags(name, parent, reg, shift, 0)
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#define imx_clk_hw_gate4_flags(name, parent, reg, shift, flags) \
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imx_clk_hw_gate2_flags(name, parent, reg, shift, flags | CLK_OPS_PARENT_ENABLE)
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#define imx_clk_hw_mux2(name, reg, shift, width, parents, num_parents) \
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imx_clk_hw_mux2_flags(name, reg, shift, width, parents, num_parents, 0)
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#define imx_clk_hw_mux(name, reg, shift, width, parents, num_parents) \
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__imx_clk_hw_mux(name, reg, shift, width, parents, num_parents, 0, 0)
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#define imx_clk_hw_mux_flags(name, reg, shift, width, parents, num_parents, flags) \
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__imx_clk_hw_mux(name, reg, shift, width, parents, num_parents, flags, 0)
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#define imx_clk_hw_mux_ldb(name, reg, shift, width, parents, num_parents) \
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__imx_clk_hw_mux(name, reg, shift, width, parents, num_parents, CLK_SET_RATE_PARENT, CLK_MUX_READ_ONLY)
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#define imx_clk_hw_mux2_flags(name, reg, shift, width, parents, num_parents, flags) \
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__imx_clk_hw_mux(name, reg, shift, width, parents, num_parents, flags | CLK_OPS_PARENT_ENABLE, 0)
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#define imx_clk_hw_divider(name, parent, reg, shift, width) \
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__imx_clk_hw_divider(name, parent, reg, shift, width, CLK_SET_RATE_PARENT)
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#define imx_clk_hw_divider2(name, parent, reg, shift, width) \
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__imx_clk_hw_divider(name, parent, reg, shift, width, \
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CLK_SET_RATE_PARENT | CLK_OPS_PARENT_ENABLE)
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#define imx_clk_hw_divider_flags(name, parent, reg, shift, width, flags) \
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__imx_clk_hw_divider(name, parent, reg, shift, width, flags)
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#define imx_clk_hw_pll14xx(name, parent_name, base, pll_clk) \
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imx_dev_clk_hw_pll14xx(NULL, name, parent_name, base, pll_clk)
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struct clk_hw *imx_dev_clk_hw_pll14xx(struct device *dev, const char *name,
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const char *parent_name, void __iomem *base,
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const struct imx_pll14xx_clk *pll_clk);
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struct clk_hw *imx_clk_hw_pllv1(enum imx_pllv1_type type, const char *name,
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const char *parent, void __iomem *base);
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struct clk_hw *imx_clk_hw_pllv2(const char *name, const char *parent,
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void __iomem *base);
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struct clk_hw *imx_clk_hw_frac_pll(const char *name, const char *parent_name,
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void __iomem *base);
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struct clk_hw *imx_clk_hw_sscg_pll(const char *name,
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const char * const *parent_names,
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u8 num_parents,
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u8 parent, u8 bypass1, u8 bypass2,
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void __iomem *base,
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unsigned long flags);
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enum imx_pllv3_type {
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IMX_PLLV3_GENERIC,
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IMX_PLLV3_SYS,
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IMX_PLLV3_USB,
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IMX_PLLV3_USB_VF610,
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IMX_PLLV3_AV,
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IMX_PLLV3_ENET,
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IMX_PLLV3_ENET_IMX7,
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IMX_PLLV3_SYS_VF610,
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IMX_PLLV3_DDR_IMX7,
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IMX_PLLV3_AV_IMX7,
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};
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struct clk_hw *imx_clk_hw_pllv3(enum imx_pllv3_type type, const char *name,
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const char *parent_name, void __iomem *base, u32 div_mask);
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#define PLL_1416X_RATE(_rate, _m, _p, _s) \
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{ \
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.rate = (_rate), \
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.mdiv = (_m), \
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.pdiv = (_p), \
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.sdiv = (_s), \
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}
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#define PLL_1443X_RATE(_rate, _m, _p, _s, _k) \
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{ \
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.rate = (_rate), \
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.mdiv = (_m), \
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.pdiv = (_p), \
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.sdiv = (_s), \
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.kdiv = (_k), \
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}
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struct clk_hw *imx_clk_hw_pllv4(enum imx_pllv4_type type, const char *name,
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const char *parent_name, void __iomem *base);
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struct clk_hw *clk_hw_register_gate2(struct device *dev, const char *name,
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const char *parent_name, unsigned long flags,
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void __iomem *reg, u8 bit_idx, u8 cgr_val, u8 cgr_mask,
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u8 clk_gate_flags, spinlock_t *lock,
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unsigned int *share_count);
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struct clk * imx_obtain_fixed_clock(
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const char *name, unsigned long rate);
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struct clk_hw *imx_obtain_fixed_clock_hw(
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const char *name, unsigned long rate);
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struct clk_hw *imx_obtain_fixed_clk_hw(struct device_node *np,
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const char *name);
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struct clk_hw *imx_clk_hw_gate_exclusive(const char *name, const char *parent,
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void __iomem *reg, u8 shift, u32 exclusive_mask);
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struct clk_hw *imx_clk_hw_pfd(const char *name, const char *parent_name,
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void __iomem *reg, u8 idx);
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struct clk_hw *imx_clk_hw_pfdv2(enum imx_pfdv2_type type, const char *name,
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const char *parent_name, void __iomem *reg, u8 idx);
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struct clk_hw *imx_clk_hw_busy_divider(const char *name, const char *parent_name,
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void __iomem *reg, u8 shift, u8 width,
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void __iomem *busy_reg, u8 busy_shift);
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struct clk_hw *imx_clk_hw_busy_mux(const char *name, void __iomem *reg, u8 shift,
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u8 width, void __iomem *busy_reg, u8 busy_shift,
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const char * const *parent_names, int num_parents);
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struct clk_hw *imx7ulp_clk_hw_composite(const char *name,
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const char * const *parent_names,
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int num_parents, bool mux_present,
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bool rate_present, bool gate_present,
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void __iomem *reg);
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struct clk_hw *imx8ulp_clk_hw_composite(const char *name,
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const char * const *parent_names,
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int num_parents, bool mux_present,
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bool rate_present, bool gate_present,
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void __iomem *reg, bool has_swrst);
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struct clk_hw *imx_clk_hw_fixup_divider(const char *name, const char *parent,
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void __iomem *reg, u8 shift, u8 width,
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void (*fixup)(u32 *val));
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struct clk_hw *imx_clk_hw_fixup_mux(const char *name, void __iomem *reg,
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u8 shift, u8 width, const char * const *parents,
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int num_parents, void (*fixup)(u32 *val));
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static inline struct clk *to_clk(struct clk_hw *hw)
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{
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if (IS_ERR_OR_NULL(hw))
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return ERR_CAST(hw);
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return hw->clk;
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}
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static inline struct clk_hw *imx_clk_hw_fixed(const char *name, int rate)
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{
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return clk_hw_register_fixed_rate(NULL, name, NULL, 0, rate);
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}
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static inline struct clk_hw *imx_clk_hw_fixed_factor(const char *name,
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const char *parent, unsigned int mult, unsigned int div)
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{
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return clk_hw_register_fixed_factor(NULL, name, parent,
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CLK_SET_RATE_PARENT, mult, div);
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}
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static inline struct clk_hw *__imx_clk_hw_divider(const char *name,
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const char *parent,
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void __iomem *reg, u8 shift,
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u8 width, unsigned long flags)
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{
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return clk_hw_register_divider(NULL, name, parent, flags,
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reg, shift, width, 0, &imx_ccm_lock);
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}
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static inline struct clk_hw *__imx_clk_hw_gate(const char *name, const char *parent,
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void __iomem *reg, u8 shift,
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unsigned long flags,
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unsigned long clk_gate_flags)
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{
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return clk_hw_register_gate(NULL, name, parent, flags | CLK_SET_RATE_PARENT, reg,
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shift, clk_gate_flags, &imx_ccm_lock);
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}
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static inline struct clk_hw *__imx_clk_hw_gate2(const char *name, const char *parent,
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void __iomem *reg, u8 shift, u8 cgr_val,
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unsigned long flags,
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unsigned int *share_count)
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{
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return clk_hw_register_gate2(NULL, name, parent, flags | CLK_SET_RATE_PARENT, reg,
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shift, cgr_val, 0x3, 0, &imx_ccm_lock, share_count);
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}
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|
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static inline struct clk_hw *__imx_clk_hw_mux(const char *name, void __iomem *reg,
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u8 shift, u8 width, const char * const *parents,
|
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int num_parents, unsigned long flags, unsigned long clk_mux_flags)
|
||
|
|
{
|
||
|
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return clk_hw_register_mux(NULL, name, parents, num_parents,
|
||
|
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flags | CLK_SET_RATE_NO_REPARENT, reg, shift,
|
||
|
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width, clk_mux_flags, &imx_ccm_lock);
|
||
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}
|
||
|
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|
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struct clk_hw *imx_clk_hw_cpu(const char *name, const char *parent_name,
|
||
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struct clk *div, struct clk *mux, struct clk *pll,
|
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|
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struct clk *step);
|
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|
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|
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#define IMX_COMPOSITE_CORE BIT(0)
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#define IMX_COMPOSITE_BUS BIT(1)
|
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#define IMX_COMPOSITE_FW_MANAGED BIT(2)
|
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|
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|
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#define IMX_COMPOSITE_CLK_FLAGS_DEFAULT \
|
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|
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(CLK_SET_RATE_NO_REPARENT | CLK_OPS_PARENT_ENABLE)
|
||
|
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#define IMX_COMPOSITE_CLK_FLAGS_CRITICAL \
|
||
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(IMX_COMPOSITE_CLK_FLAGS_DEFAULT | CLK_IS_CRITICAL)
|
||
|
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#define IMX_COMPOSITE_CLK_FLAGS_GET_RATE_NO_CACHE \
|
||
|
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(IMX_COMPOSITE_CLK_FLAGS_DEFAULT | CLK_GET_RATE_NOCACHE)
|
||
|
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#define IMX_COMPOSITE_CLK_FLAGS_CRITICAL_GET_RATE_NO_CACHE \
|
||
|
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(IMX_COMPOSITE_CLK_FLAGS_GET_RATE_NO_CACHE | CLK_IS_CRITICAL)
|
||
|
|
|
||
|
|
struct clk_hw *__imx8m_clk_hw_composite(const char *name,
|
||
|
|
const char * const *parent_names,
|
||
|
|
int num_parents,
|
||
|
|
void __iomem *reg,
|
||
|
|
u32 composite_flags,
|
||
|
|
unsigned long flags);
|
||
|
|
|
||
|
|
#define _imx8m_clk_hw_composite(name, parent_names, reg, composite_flags, flags) \
|
||
|
|
__imx8m_clk_hw_composite(name, parent_names, \
|
||
|
|
ARRAY_SIZE(parent_names), reg, composite_flags, flags)
|
||
|
|
|
||
|
|
#define imx8m_clk_hw_composite(name, parent_names, reg) \
|
||
|
|
_imx8m_clk_hw_composite(name, parent_names, reg, \
|
||
|
|
0, IMX_COMPOSITE_CLK_FLAGS_DEFAULT)
|
||
|
|
|
||
|
|
#define imx8m_clk_hw_composite_critical(name, parent_names, reg) \
|
||
|
|
_imx8m_clk_hw_composite(name, parent_names, reg, \
|
||
|
|
0, IMX_COMPOSITE_CLK_FLAGS_CRITICAL)
|
||
|
|
|
||
|
|
#define imx8m_clk_hw_composite_bus(name, parent_names, reg) \
|
||
|
|
_imx8m_clk_hw_composite(name, parent_names, reg, \
|
||
|
|
IMX_COMPOSITE_BUS, IMX_COMPOSITE_CLK_FLAGS_DEFAULT)
|
||
|
|
|
||
|
|
#define imx8m_clk_hw_composite_bus_critical(name, parent_names, reg) \
|
||
|
|
_imx8m_clk_hw_composite(name, parent_names, reg, \
|
||
|
|
IMX_COMPOSITE_BUS, IMX_COMPOSITE_CLK_FLAGS_CRITICAL)
|
||
|
|
|
||
|
|
#define imx8m_clk_hw_composite_core(name, parent_names, reg) \
|
||
|
|
_imx8m_clk_hw_composite(name, parent_names, reg, \
|
||
|
|
IMX_COMPOSITE_CORE, IMX_COMPOSITE_CLK_FLAGS_DEFAULT)
|
||
|
|
|
||
|
|
#define imx8m_clk_hw_fw_managed_composite(name, parent_names, reg) \
|
||
|
|
_imx8m_clk_hw_composite(name, parent_names, reg, \
|
||
|
|
IMX_COMPOSITE_FW_MANAGED, \
|
||
|
|
IMX_COMPOSITE_CLK_FLAGS_GET_RATE_NO_CACHE)
|
||
|
|
|
||
|
|
#define imx8m_clk_hw_fw_managed_composite_critical(name, parent_names, reg) \
|
||
|
|
_imx8m_clk_hw_composite(name, parent_names, reg, \
|
||
|
|
IMX_COMPOSITE_FW_MANAGED, \
|
||
|
|
IMX_COMPOSITE_CLK_FLAGS_CRITICAL_GET_RATE_NO_CACHE)
|
||
|
|
|
||
|
|
struct clk_hw *imx93_clk_composite_flags(const char *name,
|
||
|
|
const char * const *parent_names,
|
||
|
|
int num_parents,
|
||
|
|
void __iomem *reg,
|
||
|
|
unsigned long flags);
|
||
|
|
#define imx93_clk_composite(name, parent_names, num_parents, reg) \
|
||
|
|
imx93_clk_composite_flags(name, parent_names, num_parents, reg, \
|
||
|
|
CLK_SET_RATE_NO_REPARENT | CLK_OPS_PARENT_ENABLE)
|
||
|
|
|
||
|
|
struct clk_hw *imx_clk_hw_divider_gate(const char *name, const char *parent_name,
|
||
|
|
unsigned long flags, void __iomem *reg, u8 shift, u8 width,
|
||
|
|
u8 clk_divider_flags, const struct clk_div_table *table,
|
||
|
|
spinlock_t *lock);
|
||
|
|
#endif
|