--- zzzz-none-000/linux-4.4.271/drivers/clk/qcom/clk-rcg2.c 2021-06-03 06:22:09.000000000 +0000 +++ hawkeye-5590-750/linux-4.4.271/drivers/clk/qcom/clk-rcg2.c 2023-04-19 10:22:28.000000000 +0000 @@ -1,5 +1,5 @@ /* - * Copyright (c) 2013, The Linux Foundation. All rights reserved. + * Copyright (c) 2013-2016 The Linux Foundation. All rights reserved. * * This software is licensed under the terms of the GNU General Public * License version 2, as published by the Free Software Foundation, and @@ -46,6 +46,13 @@ #define M_REG 0x8 #define N_REG 0xc #define D_REG 0x10 +#define FEPLL_500_SRC 0x2 + +#define RCG2_CMD(rcg) (rcg->cmd_rcgr + CMD_REG) +#define RCG2_CFG(rcg) (rcg->cmd_rcgr + CFG_REG + rcg->cfg_offset) +#define RCG2_M(rcg) (rcg->cmd_rcgr + M_REG + rcg->cfg_offset) +#define RCG2_N(rcg) (rcg->cmd_rcgr + N_REG + rcg->cfg_offset) +#define RCG2_D(rcg) (rcg->cmd_rcgr + D_REG + rcg->cfg_offset) static int clk_rcg2_is_enabled(struct clk_hw *hw) { @@ -53,7 +60,7 @@ u32 cmd; int ret; - ret = regmap_read(rcg->clkr.regmap, rcg->cmd_rcgr + CMD_REG, &cmd); + ret = regmap_read(rcg->clkr.regmap, RCG2_CMD(rcg), &cmd); if (ret) return ret; @@ -67,7 +74,7 @@ u32 cfg; int i, ret; - ret = regmap_read(rcg->clkr.regmap, rcg->cmd_rcgr + CFG_REG, &cfg); + ret = regmap_read(rcg->clkr.regmap, RCG2_CFG(rcg), &cfg); if (ret) goto err; @@ -84,21 +91,24 @@ return 0; } -static int update_config(struct clk_rcg2 *rcg) +static int update_config(struct clk_rcg2 *rcg, bool check_update_clear) { int count, ret; u32 cmd; struct clk_hw *hw = &rcg->clkr.hw; const char *name = clk_hw_get_name(hw); - ret = regmap_update_bits(rcg->clkr.regmap, rcg->cmd_rcgr + CMD_REG, + ret = regmap_update_bits(rcg->clkr.regmap, RCG2_CMD(rcg), CMD_UPDATE, CMD_UPDATE); if (ret) return ret; + if (!check_update_clear) + return 0; + /* Wait for update to take effect */ for (count = 500; count > 0; count--) { - ret = regmap_read(rcg->clkr.regmap, rcg->cmd_rcgr + CMD_REG, &cmd); + ret = regmap_read(rcg->clkr.regmap, RCG2_CMD(rcg), &cmd); if (ret) return ret; if (!(cmd & CMD_UPDATE)) @@ -114,14 +124,19 @@ { struct clk_rcg2 *rcg = to_clk_rcg2(hw); int ret; + bool check_update_clear = true; u32 cfg = rcg->parent_map[index].cfg << CFG_SRC_SEL_SHIFT; - ret = regmap_update_bits(rcg->clkr.regmap, rcg->cmd_rcgr + CFG_REG, + if ((rcg->flags & CLK_RCG2_HW_CONTROLLED) && + !clk_hw_is_enabled(clk_hw_get_parent_by_index(hw, index))) + check_update_clear = false; + + ret = regmap_update_bits(rcg->clkr.regmap, RCG2_CFG(rcg), CFG_SRC_SEL_MASK, cfg); if (ret) return ret; - return update_config(rcg); + return update_config(rcg, check_update_clear); } /* @@ -132,18 +147,18 @@ * hid_div n */ static unsigned long -calc_rate(unsigned long rate, u32 m, u32 n, u32 mode, u32 hid_div) +calc_rate(unsigned long parent_rate, u32 m, u32 n, u32 mode, u32 hid_div) { + u64 rate = parent_rate; + if (hid_div) { rate *= 2; - rate /= hid_div + 1; + do_div(rate, hid_div + 1); } if (mode) { - u64 tmp = rate; - tmp *= m; - do_div(tmp, n); - rate = tmp; + rate *= m; + do_div(rate, n); } return rate; @@ -155,13 +170,13 @@ struct clk_rcg2 *rcg = to_clk_rcg2(hw); u32 cfg, hid_div, m = 0, n = 0, mode = 0, mask; - regmap_read(rcg->clkr.regmap, rcg->cmd_rcgr + CFG_REG, &cfg); + regmap_read(rcg->clkr.regmap, RCG2_CFG(rcg), &cfg); if (rcg->mnd_width) { mask = BIT(rcg->mnd_width) - 1; - regmap_read(rcg->clkr.regmap, rcg->cmd_rcgr + M_REG, &m); + regmap_read(rcg->clkr.regmap, RCG2_M(rcg), &m); m &= mask; - regmap_read(rcg->clkr.regmap, rcg->cmd_rcgr + N_REG, &n); + regmap_read(rcg->clkr.regmap, RCG2_N(rcg), &n); n = ~n; n &= mask; n += m; @@ -176,6 +191,63 @@ return calc_rate(parent_rate, m, n, mode, hid_div); } +static const struct freq_tbl * +clk_rcg2_find_best_freq(struct clk_hw *hw, const struct freq_tbl *f, + unsigned long rate) +{ + unsigned long req_rate = rate, best = 0, freq; + struct clk_rcg2 *rcg = to_clk_rcg2(hw); + int index; + u64 tmp; + const struct freq_tbl *best_ftable = NULL; + + f = qcom_find_freq(f, rate); + + /* + * Check for duplicate frequencies in frequency table if + * CLK_SET_RATE_PARENT flag is not set + */ + if (!f || (clk_hw_get_flags(hw) & CLK_SET_RATE_PARENT) || + ((f->freq && (f + 1)->freq != f->freq))) + return f; + + /* + * Check for all the duplicate entries in frequency table and + * calculate the actual rate from current parent rate with each + * entries pre_div, m and n values. The entry, which gives the + * minimum difference in requested rate and actual rate, will be + * selected as the best one. + */ + for (freq = f->freq; freq == f->freq; f++) { + index = qcom_find_src_index(hw, rcg->parent_map, f->src); + if (index < 0) + continue; + + rate = clk_hw_get_rate(clk_hw_get_parent_by_index(hw, index)); + if (rcg->hid_width && f->pre_div) { + rate *= 2; + rate /= f->pre_div + 1; + } + + if (rcg->mnd_width && f->n) { + tmp = rate; + tmp = tmp * f->n; + do_div(tmp, f->m); + rate = tmp; + } + + if (abs(req_rate - rate) < abs(best - rate)) { + best_ftable = f; + best = rate; + + if (req_rate == rate) + break; + } + } + + return best_ftable; +} + static int _freq_tbl_determine_rate(struct clk_hw *hw, const struct freq_tbl *f, struct clk_rate_request *req) { @@ -184,7 +256,7 @@ struct clk_rcg2 *rcg = to_clk_rcg2(hw); int index; - f = qcom_find_freq(f, rate); + f = clk_rcg2_find_best_freq(hw, f, rate); if (!f) return -EINVAL; @@ -233,6 +305,7 @@ { u32 cfg, mask; struct clk_hw *hw = &rcg->clkr.hw; + bool check_update_clear = true; int ret, index = qcom_find_src_index(hw, rcg->parent_map, f->src); if (index < 0) @@ -241,17 +314,17 @@ if (rcg->mnd_width && f->n) { mask = BIT(rcg->mnd_width) - 1; ret = regmap_update_bits(rcg->clkr.regmap, - rcg->cmd_rcgr + M_REG, mask, f->m); + RCG2_M(rcg), mask, f->m); if (ret) return ret; ret = regmap_update_bits(rcg->clkr.regmap, - rcg->cmd_rcgr + N_REG, mask, ~(f->n - f->m)); + RCG2_N(rcg), mask, ~(f->n - f->m)); if (ret) return ret; ret = regmap_update_bits(rcg->clkr.regmap, - rcg->cmd_rcgr + D_REG, mask, ~f->n); + RCG2_D(rcg), mask, ~f->n); if (ret) return ret; } @@ -263,11 +336,15 @@ if (rcg->mnd_width && f->n && (f->m != f->n)) cfg |= CFG_MODE_DUAL_EDGE; ret = regmap_update_bits(rcg->clkr.regmap, - rcg->cmd_rcgr + CFG_REG, mask, cfg); + RCG2_CFG(rcg), mask, cfg); if (ret) return ret; - return update_config(rcg); + if ((rcg->flags & CLK_RCG2_HW_CONTROLLED) && + !clk_hw_is_enabled(clk_hw_get_parent_by_index(hw, index))) + check_update_clear = false; + + return update_config(rcg, check_update_clear); } static int __clk_rcg2_set_rate(struct clk_hw *hw, unsigned long rate) @@ -275,7 +352,7 @@ struct clk_rcg2 *rcg = to_clk_rcg2(hw); const struct freq_tbl *f; - f = qcom_find_freq(rcg->freq_tbl, rate); + f = clk_rcg2_find_best_freq(hw, rcg->freq_tbl, rate); if (!f) return -EINVAL; @@ -312,7 +389,7 @@ int ret, count; /* force enable RCG */ - ret = regmap_update_bits(rcg->clkr.regmap, rcg->cmd_rcgr + CMD_REG, + ret = regmap_update_bits(rcg->clkr.regmap, RCG2_CMD(rcg), CMD_ROOT_EN, CMD_ROOT_EN); if (ret) return ret; @@ -333,7 +410,7 @@ return ret; /* clear force enable RCG */ - return regmap_update_bits(rcg->clkr.regmap, rcg->cmd_rcgr + CMD_REG, + return regmap_update_bits(rcg->clkr.regmap, RCG2_CMD(rcg), CMD_ROOT_EN, 0); } @@ -436,7 +513,7 @@ (src_rate > (request + delta))) continue; - regmap_read(rcg->clkr.regmap, rcg->cmd_rcgr + CFG_REG, + regmap_read(rcg->clkr.regmap, RCG2_CFG(rcg), &hid_div); f.pre_div = hid_div; f.pre_div >>= CFG_SRC_DIV_SHIFT; @@ -486,7 +563,7 @@ (req->best_parent_rate > (request + delta))) continue; - regmap_read(rcg->clkr.regmap, rcg->cmd_rcgr + CFG_REG, + regmap_read(rcg->clkr.regmap, RCG2_CFG(rcg), &hid_div); hid_div >>= CFG_SRC_DIV_SHIFT; hid_div &= mask; @@ -607,7 +684,7 @@ f.pre_div = div; - regmap_read(rcg->clkr.regmap, rcg->cmd_rcgr + CFG_REG, &cfg); + regmap_read(rcg->clkr.regmap, RCG2_CFG(rcg), &cfg); cfg &= CFG_SRC_SEL_MASK; cfg >>= CFG_SRC_SEL_SHIFT; @@ -682,7 +759,7 @@ u32 hid_div, cfg; int i, num_parents = clk_hw_get_num_parents(hw); - regmap_read(rcg->clkr.regmap, rcg->cmd_rcgr + CFG_REG, &cfg); + regmap_read(rcg->clkr.regmap, RCG2_CFG(rcg), &cfg); cfg &= CFG_SRC_SEL_MASK; cfg >>= CFG_SRC_SEL_SHIFT; @@ -699,7 +776,7 @@ (parent_rate > (request + delta))) continue; - regmap_read(rcg->clkr.regmap, rcg->cmd_rcgr + CFG_REG, + regmap_read(rcg->clkr.regmap, RCG2_CFG(rcg), &hid_div); f.pre_div = hid_div; f.pre_div >>= CFG_SRC_DIV_SHIFT; @@ -728,3 +805,414 @@ .determine_rate = clk_pixel_determine_rate, }; EXPORT_SYMBOL_GPL(clk_pixel_ops); + +static int clk_cdiv_rcg2_is_enabled(struct clk_hw *hw) +{ + struct clk_cdiv_rcg2 *rcg = to_clk_cdiv_rcg2(hw); + u32 cmd = 0; + int ret; + + ret = regmap_read(rcg->clkr.regmap, RCG2_CMD(rcg), &cmd); + if (ret < 0) + return false; + + return (cmd & CMD_ROOT_OFF) == 0; +} + +static u8 clk_cdiv_rcg2_get_parent(struct clk_hw *hw) +{ + struct clk_cdiv_rcg2 *rcg = to_clk_cdiv_rcg2(hw); + int num_parents = clk_hw_get_num_parents(hw); + u32 cfg; + int i, ret; + + ret = regmap_read(rcg->clkr.regmap, RCG2_CFG(rcg), &cfg); + if (ret) + goto err; + + cfg &= CFG_SRC_SEL_MASK; + cfg >>= CFG_SRC_SEL_SHIFT; + + for (i = 0; i < num_parents; i++) + if (cfg == rcg->parent_map[i].cfg) + return i; +err: + pr_debug("%s: Cannot find parent of %s clock, using default.\n", + __func__, __clk_get_name(hw->clk)); + return 0; +} + +static int cdiv_update_config(struct clk_cdiv_rcg2 *rcg) +{ + int count, ret; + struct clk_hw *hw = &rcg->clkr.hw; + const char *name = __clk_get_name(hw->clk); + + ret = regmap_update_bits(rcg->clkr.regmap, RCG2_CMD(rcg), + CMD_UPDATE, CMD_UPDATE); + if (ret) + return ret; + + /* Wait for update to take effect */ + for (count = 500; count > 0; count--) { + u32 cmd = ~0U; + + /* ignore regmap errors - until we exhaust retry count. */ + ret = regmap_read(rcg->clkr.regmap, RCG2_CMD(rcg), + &cmd); + + if (ret >= 0 && !(cmd & CMD_UPDATE)) + return 0; + + udelay(1); + } + + WARN(ret, "%s: rcg didn't update its configuration.", name); + return ret ? ret : -ETIMEDOUT; +} + +static int clk_cdiv_rcg2_set_parent(struct clk_hw *hw, u8 index) +{ + struct clk_cdiv_rcg2 *rcg = to_clk_cdiv_rcg2(hw); + int ret; + + ret = regmap_update_bits(rcg->clkr.regmap, RCG2_CFG(rcg), + CFG_SRC_SEL_MASK, + rcg->parent_map[index].cfg << + CFG_SRC_SEL_SHIFT); + if (ret) + return ret; + + return cdiv_update_config(rcg); +} + +static unsigned long +clk_cdiv_rcg2_recalc_rate(struct clk_hw *hw, unsigned long parent_rate) +{ + struct clk_cdiv_rcg2 *rcg = to_clk_cdiv_rcg2(hw); + u32 cfg, hid_div, m = 0, n = 0, mode = 0, mask, rate, cdiv; + int ret; + + ret = regmap_read(rcg->clkr.regmap, RCG2_CFG(rcg), &cfg); + if (ret) + return 0UL; + + if (rcg->mnd_width) { + mask = BIT(rcg->mnd_width) - 1; + ret = regmap_read(rcg->clkr.regmap, RCG2_M(rcg), &m); + if (ret) + return 0UL; + + m &= mask; + ret = regmap_read(rcg->clkr.regmap, RCG2_N(rcg), &n); + if (ret) + return 0UL; + + n = ~n; + n &= mask; + + n += m; + mode = cfg & CFG_MODE_MASK; + mode >>= CFG_MODE_SHIFT; + } + + mask = BIT(rcg->hid_width) - 1; + hid_div = cfg >> CFG_SRC_DIV_SHIFT; + hid_div &= mask; + rate = calc_rate(parent_rate, m, n, mode, hid_div); + + ret = regmap_read(rcg->clkr.regmap, rcg->cdiv.offset, &cdiv); + if (ret) + return 0UL; + + cdiv &= (rcg->cdiv.mask << rcg->cdiv.shift); + cdiv = (cdiv >> rcg->cdiv.shift); + if (cdiv) + rate *= cdiv + 1; + return rate; +} + +static int _cdiv_rcg2_freq_tbl_determine_rate(struct clk_hw *hw, + const struct freq_tbl *f, + struct clk_rate_request *req) +{ + unsigned long clk_flags; + struct clk_hw *p_hw; + unsigned long rate = req->rate; + + f = clk_rcg2_find_best_freq(hw, f, rate); + if (!f) + return 0L; + + clk_flags = __clk_get_flags(hw->clk); + p_hw = clk_hw_get_parent_by_index(hw, f->src); + if (clk_flags & CLK_SET_RATE_PARENT) { + if (f->pre_div) + rate *= f->pre_div; + if (f->n) { + u64 tmp = rate; + + tmp = tmp * f->n; + do_div(tmp, f->m); + rate = tmp; + } + } else { + rate = clk_hw_get_rate(p_hw); + } + + req->best_parent_rate = rate; + req->best_parent_hw = p_hw; + req->rate = f->freq; + + return 0; +} + + +static int clk_cdiv_rcg2_determine_rate(struct clk_hw *hw, + struct clk_rate_request *req) +{ + struct clk_cdiv_rcg2 *rcg = to_clk_cdiv_rcg2(hw); + + return _cdiv_rcg2_freq_tbl_determine_rate(hw, rcg->freq_tbl, req); +} + +static int clk_cdiv_rcg2_configure(struct clk_cdiv_rcg2 *rcg, + const struct freq_tbl *f) +{ + u32 cfg = 0, mask; + u32 i; + int ret; + + if (rcg->mnd_width && f->n) { + mask = BIT(rcg->mnd_width) - 1; + ret = regmap_update_bits(rcg->clkr.regmap, + RCG2_M(rcg), mask, f->m); + if (ret) + return ret; + + ret = regmap_update_bits(rcg->clkr.regmap, + RCG2_N(rcg), mask, ~(f->n - f->m)); + if (ret) + return ret; + + ret = regmap_update_bits(rcg->clkr.regmap, + RCG2_D(rcg), mask, ~f->n); + if (ret) + return ret; + } + + + if (rcg->cdiv.mask && f->pre_div > 16) { + + /* The division is handled by two dividers. Both of which can + * divide by a maximum value of 16. To achieve a division of + * 256 = 16 * 16, we use a divider of 16 in the RCGR and the + * other divider of 16 in the MISC Register. + */ + for (i = 2; i <= 16; i++) { + if (f->pre_div % i == 0) + cfg = i; + } + + if (cfg == 0) { + pr_err("%s: invalid divider\n", __func__); + return -EINVAL; + } + + if (f->pre_div/cfg > 16) + return -EINVAL; + mask = (rcg->cdiv.mask)<cdiv.shift; + ret = regmap_update_bits(rcg->clkr.regmap, + rcg->cdiv.offset, mask, + ((cfg - 1) << rcg->cdiv.shift) & mask); + if (ret) + return ret; + cfg = (2 * (f->pre_div / cfg)) - 1; + } else { + ret = regmap_write(rcg->clkr.regmap, rcg->cdiv.offset, 0x0); + if (ret) + return ret; + cfg = ((2 * f->pre_div) - 1) << CFG_SRC_DIV_SHIFT; + } + + mask = BIT(rcg->hid_width) - 1; + mask |= CFG_SRC_SEL_MASK | CFG_MODE_MASK; + cfg |= rcg->parent_map[f->src].cfg << CFG_SRC_SEL_SHIFT; + if (rcg->mnd_width && f->n) + cfg |= CFG_MODE_DUAL_EDGE; + ret = regmap_update_bits(rcg->clkr.regmap, + RCG2_CFG(rcg), mask, cfg); + if (ret) + return ret; + + return cdiv_update_config(rcg); +} + +static int __clk_cdiv_rcg2_set_rate(struct clk_hw *hw, unsigned long rate) +{ + struct clk_cdiv_rcg2 *rcg = to_clk_cdiv_rcg2(hw); + const struct freq_tbl *f; + + f = clk_rcg2_find_best_freq(hw, rcg->freq_tbl, rate); + if (!f) + return -EINVAL; + + return clk_cdiv_rcg2_configure(rcg, f); +} + +static int clk_cdiv_rcg2_set_rate(struct clk_hw *hw, unsigned long rate, + unsigned long parent_rate) +{ + return __clk_cdiv_rcg2_set_rate(hw, rate); +} + +static int clk_cdiv_rcg2_set_rate_and_parent(struct clk_hw *hw, + unsigned long rate, unsigned long parent_rate, u8 index) +{ + return __clk_cdiv_rcg2_set_rate(hw, rate); +} + +const struct clk_ops clk_cdiv_rcg2_ops = { + .is_enabled = clk_cdiv_rcg2_is_enabled, + .get_parent = clk_cdiv_rcg2_get_parent, + .set_parent = clk_cdiv_rcg2_set_parent, + .recalc_rate = clk_cdiv_rcg2_recalc_rate, + .determine_rate = clk_cdiv_rcg2_determine_rate, + .set_rate = clk_cdiv_rcg2_set_rate, + .set_rate_and_parent = clk_cdiv_rcg2_set_rate_and_parent, +}; +EXPORT_SYMBOL_GPL(clk_cdiv_rcg2_ops); + +static int clk_muxr_is_enabled(struct clk_hw *hw) +{ + return 0; +} + +static u8 clk_muxr_get_parent(struct clk_hw *hw) +{ + struct clk_muxr_misc *rcg = to_clk_muxr_misc(hw); + int num_parents = clk_hw_get_num_parents(hw); + u32 cfg; + int i, ret; + + ret = regmap_read(rcg->clkr.regmap, rcg->muxr.offset, &cfg); + if (ret) + goto err; + + cfg >>= rcg->muxr.shift; + cfg &= rcg->muxr.mask; + + for (i = 0; i < num_parents; i++) + if (cfg == rcg->parent_map[i].cfg) + return i; + +err: + pr_debug("%s: Cannot find parent of %s clock, using default.\n", + __func__, __clk_get_name(hw->clk)); + return 0; +} + +static int clk_muxr_set_parent(struct clk_hw *hw, u8 index) +{ + struct clk_muxr_misc *rcg = to_clk_muxr_misc(hw); + int ret; + + ret = regmap_update_bits(rcg->clkr.regmap, rcg->muxr.offset, + (rcg->muxr.mask<muxr.shift), + rcg->parent_map[index].cfg << rcg->muxr.shift); + if (ret) + return ret; + + return 0; +} + +static unsigned long +clk_muxr_recalc_rate(struct clk_hw *hw, unsigned long parent_rate) +{ + struct clk_muxr_misc *rcg = to_clk_muxr_misc(hw); + u32 misc; + int ret; + + ret = regmap_read(rcg->clkr.regmap, rcg->misc.offset, &misc); + if (ret) + return 0UL; + + misc &= rcg->misc.mask; + misc >>= rcg->misc.shift; + + return parent_rate * (misc + 1); +} + +static int clk_muxr_determine_rate(struct clk_hw *hw, + struct clk_rate_request *req) +{ + struct clk_muxr_misc *rcg = to_clk_muxr_misc(hw); + const struct freq_tbl *f; + unsigned long clk_flags; + unsigned long rate = req->rate; + struct clk_hw *p_hw; + + f = clk_rcg2_find_best_freq(hw, rcg->freq_tbl, rate); + if (!f) + return 0L; + + clk_flags = __clk_get_flags(hw->clk); + p_hw = clk_hw_get_parent_by_index(hw, f->src); + if (clk_flags & CLK_SET_RATE_PARENT) { + if (f->pre_div) + rate *= f->pre_div; + } else { + rate = clk_hw_get_rate(p_hw); + } + + req->best_parent_rate = rate; + req->best_parent_hw = p_hw; + req->rate = f->freq; + + return 0; +} + +static int __clk_muxr_set_rate(struct clk_hw *hw, unsigned long rate) +{ + struct clk_muxr_misc *rcg = to_clk_muxr_misc(hw); + const struct freq_tbl *f; + int ret; + + f = clk_rcg2_find_best_freq(hw, rcg->freq_tbl, rate); + if (!f) + return -EINVAL; + + ret = regmap_update_bits(rcg->clkr.regmap, rcg->muxr.offset, + rcg->muxr.mask << rcg->muxr.shift, + rcg->parent_map[f->src].cfg << rcg->muxr.shift); + if (ret) + return ret; + + ret = regmap_update_bits(rcg->clkr.regmap, rcg->misc.offset, + rcg->misc.mask << rcg->misc.shift, + (f->pre_div - 1) << rcg->misc.shift); + return ret; +} + +static int clk_muxr_set_rate(struct clk_hw *hw, unsigned long rate, + unsigned long parent_rate) +{ + return __clk_muxr_set_rate(hw, rate); +} + +static int clk_muxr_set_rate_and_parent(struct clk_hw *hw, + unsigned long rate, unsigned long parent_rate, u8 index) +{ + return __clk_muxr_set_rate(hw, rate); +} + +const struct clk_ops clk_muxr_misc_ops = { + .is_enabled = clk_muxr_is_enabled, + .get_parent = clk_muxr_get_parent, + .set_parent = clk_muxr_set_parent, + .recalc_rate = clk_muxr_recalc_rate, + .determine_rate = clk_muxr_determine_rate, + .set_rate = clk_muxr_set_rate, + .set_rate_and_parent = clk_muxr_set_rate_and_parent, +}; +EXPORT_SYMBOL_GPL(clk_muxr_misc_ops);