diff options
Diffstat (limited to 'drivers/clk/rockchip/clk-pll.c')
| -rw-r--r-- | drivers/clk/rockchip/clk-pll.c | 100 |
1 files changed, 50 insertions, 50 deletions
diff --git a/drivers/clk/rockchip/clk-pll.c b/drivers/clk/rockchip/clk-pll.c index 76027261f7ed..7737a1df1e4b 100644 --- a/drivers/clk/rockchip/clk-pll.c +++ b/drivers/clk/rockchip/clk-pll.c @@ -17,7 +17,6 @@ #include <linux/slab.h> #include <linux/io.h> #include <linux/delay.h> -#include <linux/clk.h> #include <linux/clk-provider.h> #include <linux/regmap.h> #include "clk.h" @@ -121,8 +120,8 @@ static int rockchip_pll_wait_lock(struct rockchip_clk_pll *pll) #define RK3066_PLLCON0_NR_SHIFT 8 #define RK3066_PLLCON1_NF_MASK 0x1fff #define RK3066_PLLCON1_NF_SHIFT 0 -#define RK3066_PLLCON2_BWADJ_MASK 0xfff -#define RK3066_PLLCON2_BWADJ_SHIFT 0 +#define RK3066_PLLCON2_NB_MASK 0xfff +#define RK3066_PLLCON2_NB_SHIFT 0 #define RK3066_PLLCON3_RESET (1 << 5) #define RK3066_PLLCON3_PWRDOWN (1 << 1) #define RK3066_PLLCON3_BYPASS (1 << 0) @@ -137,7 +136,7 @@ static unsigned long rockchip_rk3066_pll_recalc_rate(struct clk_hw *hw, pllcon = readl_relaxed(pll->reg_base + RK3066_PLLCON(3)); if (pllcon & RK3066_PLLCON3_BYPASS) { pr_debug("%s: pll %s is bypassed\n", __func__, - __clk_get_name(hw->clk)); + clk_hw_get_name(hw)); return prate; } @@ -175,13 +174,13 @@ static int rockchip_rk3066_pll_set_rate(struct clk_hw *hw, unsigned long drate, } pr_debug("%s: changing %s from %lu to %lu with a parent rate of %lu\n", - __func__, __clk_get_name(hw->clk), old_rate, drate, prate); + __func__, clk_hw_get_name(hw), old_rate, drate, prate); /* Get required rate settings from table */ rate = rockchip_get_pll_settings(pll, drate); if (!rate) { pr_err("%s: Invalid rate : %lu for pll clk %s\n", __func__, - drate, __clk_get_name(hw->clk)); + drate, clk_hw_get_name(hw)); return -EINVAL; } @@ -208,8 +207,8 @@ static int rockchip_rk3066_pll_set_rate(struct clk_hw *hw, unsigned long drate, writel_relaxed(HIWORD_UPDATE(rate->nf - 1, RK3066_PLLCON1_NF_MASK, RK3066_PLLCON1_NF_SHIFT), pll->reg_base + RK3066_PLLCON(1)); - writel_relaxed(HIWORD_UPDATE(rate->bwadj, RK3066_PLLCON2_BWADJ_MASK, - RK3066_PLLCON2_BWADJ_SHIFT), + writel_relaxed(HIWORD_UPDATE(rate->nb - 1, RK3066_PLLCON2_NB_MASK, + RK3066_PLLCON2_NB_SHIFT), pll->reg_base + RK3066_PLLCON(2)); /* leave reset and wait the reset_delay */ @@ -262,14 +261,14 @@ static void rockchip_rk3066_pll_init(struct clk_hw *hw) { struct rockchip_clk_pll *pll = to_rockchip_clk_pll(hw); const struct rockchip_pll_rate_table *rate; - unsigned int nf, nr, no, bwadj; + unsigned int nf, nr, no, nb; unsigned long drate; u32 pllcon; if (!(pll->flags & ROCKCHIP_PLL_SYNC_RATE)) return; - drate = __clk_get_rate(hw->clk); + drate = clk_hw_get_rate(hw); rate = rockchip_get_pll_settings(pll, drate); /* when no rate setting for the current rate, rely on clk_set_rate */ @@ -284,25 +283,25 @@ static void rockchip_rk3066_pll_init(struct clk_hw *hw) nf = ((pllcon >> RK3066_PLLCON1_NF_SHIFT) & RK3066_PLLCON1_NF_MASK) + 1; pllcon = readl_relaxed(pll->reg_base + RK3066_PLLCON(2)); - bwadj = (pllcon >> RK3066_PLLCON2_BWADJ_SHIFT) & RK3066_PLLCON2_BWADJ_MASK; + nb = ((pllcon >> RK3066_PLLCON2_NB_SHIFT) & RK3066_PLLCON2_NB_MASK) + 1; - pr_debug("%s: pll %s@%lu: nr (%d:%d); no (%d:%d); nf(%d:%d), bwadj(%d:%d)\n", - __func__, __clk_get_name(hw->clk), drate, rate->nr, nr, - rate->no, no, rate->nf, nf, rate->bwadj, bwadj); + pr_debug("%s: pll %s@%lu: nr (%d:%d); no (%d:%d); nf(%d:%d), nb(%d:%d)\n", + __func__, clk_hw_get_name(hw), drate, rate->nr, nr, + rate->no, no, rate->nf, nf, rate->nb, nb); if (rate->nr != nr || rate->no != no || rate->nf != nf - || rate->bwadj != bwadj) { - struct clk *parent = __clk_get_parent(hw->clk); + || rate->nb != nb) { + struct clk_hw *parent = clk_hw_get_parent(hw); unsigned long prate; if (!parent) { pr_warn("%s: parent of %s not available\n", - __func__, __clk_get_name(hw->clk)); + __func__, clk_hw_get_name(hw)); return; } pr_debug("%s: pll %s: rate params do not match rate table, adjusting\n", - __func__, __clk_get_name(hw->clk)); - prate = __clk_get_rate(parent); + __func__, clk_hw_get_name(hw)); + prate = clk_hw_get_rate(parent); rockchip_rk3066_pll_set_rate(hw, drate, prate); } } @@ -354,6 +353,35 @@ struct clk *rockchip_clk_register_pll(enum rockchip_pll_type pll_type, if (!pll) return ERR_PTR(-ENOMEM); + /* create the mux on top of the real pll */ + pll->pll_mux_ops = &clk_mux_ops; + pll_mux = &pll->pll_mux; + pll_mux->reg = base + mode_offset; + pll_mux->shift = mode_shift; + pll_mux->mask = PLL_MODE_MASK; + pll_mux->flags = 0; + pll_mux->lock = lock; + pll_mux->hw.init = &init; + + if (pll_type == pll_rk3066) + pll_mux->flags |= CLK_MUX_HIWORD_MASK; + + /* the actual muxing is xin24m, pll-output, xin32k */ + pll_parents[0] = parent_names[0]; + pll_parents[1] = pll_name; + pll_parents[2] = parent_names[1]; + + init.name = name; + init.flags = CLK_SET_RATE_PARENT; + init.ops = pll->pll_mux_ops; + init.parent_names = pll_parents; + init.num_parents = ARRAY_SIZE(pll_parents); + + mux_clk = clk_register(NULL, &pll_mux->hw); + if (IS_ERR(mux_clk)) + goto err_mux; + + /* now create the actual pll */ init.name = pll_name; /* keep all plls untouched for now */ @@ -399,47 +427,19 @@ struct clk *rockchip_clk_register_pll(enum rockchip_pll_type pll_type, pll->flags = clk_pll_flags; pll->lock = lock; - /* create the mux on top of the real pll */ - pll->pll_mux_ops = &clk_mux_ops; - pll_mux = &pll->pll_mux; - pll_mux->reg = base + mode_offset; - pll_mux->shift = mode_shift; - pll_mux->mask = PLL_MODE_MASK; - pll_mux->flags = 0; - pll_mux->lock = lock; - pll_mux->hw.init = &init; - - if (pll_type == pll_rk3066) - pll_mux->flags |= CLK_MUX_HIWORD_MASK; - pll_clk = clk_register(NULL, &pll->hw); if (IS_ERR(pll_clk)) { pr_err("%s: failed to register pll clock %s : %ld\n", __func__, name, PTR_ERR(pll_clk)); - mux_clk = pll_clk; goto err_pll; } - /* the actual muxing is xin24m, pll-output, xin32k */ - pll_parents[0] = parent_names[0]; - pll_parents[1] = pll_name; - pll_parents[2] = parent_names[1]; - - init.name = name; - init.flags = CLK_SET_RATE_PARENT; - init.ops = pll->pll_mux_ops; - init.parent_names = pll_parents; - init.num_parents = ARRAY_SIZE(pll_parents); - - mux_clk = clk_register(NULL, &pll_mux->hw); - if (IS_ERR(mux_clk)) - goto err_mux; - return mux_clk; -err_mux: - clk_unregister(pll_clk); err_pll: + clk_unregister(mux_clk); + mux_clk = pll_clk; +err_mux: kfree(pll); return mux_clk; } |