From ba7928d9d71f15e15e7ba300426422f928440eb5 Mon Sep 17 00:00:00 2001 From: Abel Vesa Date: Wed, 11 Dec 2019 11:25:41 +0200 Subject: [PATCH] clk: imx: Rename the SCCG to SSCG According to the manual the acronym stands for Spread Sprectum Clock Generator. Signed-off-by: Abel Vesa Signed-off-by: Shawn Guo --- drivers/clk/imx/Makefile | 2 +- drivers/clk/imx/clk-imx8mq.c | 6 +- .../imx/{clk-sccg-pll.c => clk-sscg-pll.c} | 150 +++++++++--------- drivers/clk/imx/clk.h | 4 +- 4 files changed, 81 insertions(+), 81 deletions(-) rename drivers/clk/imx/{clk-sccg-pll.c => clk-sscg-pll.c} (71%) diff --git a/drivers/clk/imx/Makefile b/drivers/clk/imx/Makefile index 77a3d714f1d5..3724ba7d4555 100644 --- a/drivers/clk/imx/Makefile +++ b/drivers/clk/imx/Makefile @@ -18,7 +18,7 @@ obj-$(CONFIG_MXC_CLK) += \ clk-pllv2.o \ clk-pllv3.o \ clk-pllv4.o \ - clk-sccg-pll.o \ + clk-sscg-pll.o \ clk-pll14xx.o obj-$(CONFIG_MXC_CLK_SCU) += \ diff --git a/drivers/clk/imx/clk-imx8mq.c b/drivers/clk/imx/clk-imx8mq.c index 14a1483b7d9f..d4da5b9af9da 100644 --- a/drivers/clk/imx/clk-imx8mq.c +++ b/drivers/clk/imx/clk-imx8mq.c @@ -342,9 +342,9 @@ static int imx8mq_clocks_probe(struct platform_device *pdev) clks[IMX8MQ_SYS1_PLL_OUT] = imx_clk_fixed("sys1_pll_out", 800000000); clks[IMX8MQ_SYS2_PLL_OUT] = imx_clk_fixed("sys2_pll_out", 1000000000); - clks[IMX8MQ_SYS3_PLL_OUT] = imx_clk_sccg_pll("sys3_pll_out", sys3_pll_out_sels, ARRAY_SIZE(sys3_pll_out_sels), 0, 0, 0, base + 0x48, CLK_IS_CRITICAL); - clks[IMX8MQ_DRAM_PLL_OUT] = imx_clk_sccg_pll("dram_pll_out", dram_pll_out_sels, ARRAY_SIZE(dram_pll_out_sels), 0, 0, 0, base + 0x60, CLK_IS_CRITICAL | CLK_GET_RATE_NOCACHE); - clks[IMX8MQ_VIDEO2_PLL_OUT] = imx_clk_sccg_pll("video2_pll_out", video2_pll_out_sels, ARRAY_SIZE(video2_pll_out_sels), 0, 0, 0, base + 0x54, 0); + clks[IMX8MQ_SYS3_PLL_OUT] = imx_clk_sscg_pll("sys3_pll_out", sys3_pll_out_sels, ARRAY_SIZE(sys3_pll_out_sels), 0, 0, 0, base + 0x48, CLK_IS_CRITICAL); + clks[IMX8MQ_DRAM_PLL_OUT] = imx_clk_sscg_pll("dram_pll_out", dram_pll_out_sels, ARRAY_SIZE(dram_pll_out_sels), 0, 0, 0, base + 0x60, CLK_IS_CRITICAL | CLK_GET_RATE_NOCACHE); + clks[IMX8MQ_VIDEO2_PLL_OUT] = imx_clk_sscg_pll("video2_pll_out", video2_pll_out_sels, ARRAY_SIZE(video2_pll_out_sels), 0, 0, 0, base + 0x54, 0); /* SYS PLL1 fixed output */ clks[IMX8MQ_SYS1_PLL_40M_CG] = imx_clk_gate("sys1_pll_40m_cg", "sys1_pll_out", base + 0x30, 9); diff --git a/drivers/clk/imx/clk-sccg-pll.c b/drivers/clk/imx/clk-sscg-pll.c similarity index 71% rename from drivers/clk/imx/clk-sccg-pll.c rename to drivers/clk/imx/clk-sscg-pll.c index 5d65f65c512e..0669e172d46f 100644 --- a/drivers/clk/imx/clk-sccg-pll.c +++ b/drivers/clk/imx/clk-sscg-pll.c @@ -67,7 +67,7 @@ #define PLL_SCCG_LOCK_TIMEOUT 70 -struct clk_sccg_pll_setup { +struct clk_sscg_pll_setup { int divr1, divf1; int divr2, divf2; int divq; @@ -83,22 +83,22 @@ struct clk_sccg_pll_setup { int fout_error; }; -struct clk_sccg_pll { +struct clk_sscg_pll { struct clk_hw hw; const struct clk_ops ops; void __iomem *base; - struct clk_sccg_pll_setup setup; + struct clk_sscg_pll_setup setup; u8 parent; u8 bypass1; u8 bypass2; }; -#define to_clk_sccg_pll(_hw) container_of(_hw, struct clk_sccg_pll, hw) +#define to_clk_sscg_pll(_hw) container_of(_hw, struct clk_sscg_pll, hw) -static int clk_sccg_pll_wait_lock(struct clk_sccg_pll *pll) +static int clk_sscg_pll_wait_lock(struct clk_sscg_pll *pll) { u32 val; @@ -112,15 +112,15 @@ static int clk_sccg_pll_wait_lock(struct clk_sccg_pll *pll) return 0; } -static int clk_sccg_pll2_check_match(struct clk_sccg_pll_setup *setup, - struct clk_sccg_pll_setup *temp_setup) +static int clk_sscg_pll2_check_match(struct clk_sscg_pll_setup *setup, + struct clk_sscg_pll_setup *temp_setup) { int new_diff = temp_setup->fout - temp_setup->fout_request; int diff = temp_setup->fout_error; if (abs(diff) > abs(new_diff)) { temp_setup->fout_error = new_diff; - memcpy(setup, temp_setup, sizeof(struct clk_sccg_pll_setup)); + memcpy(setup, temp_setup, sizeof(struct clk_sscg_pll_setup)); if (temp_setup->fout_request == temp_setup->fout) return 0; @@ -128,8 +128,8 @@ static int clk_sccg_pll2_check_match(struct clk_sccg_pll_setup *setup, return -1; } -static int clk_sccg_divq_lookup(struct clk_sccg_pll_setup *setup, - struct clk_sccg_pll_setup *temp_setup) +static int clk_sscg_divq_lookup(struct clk_sscg_pll_setup *setup, + struct clk_sscg_pll_setup *temp_setup) { int ret = -EINVAL; @@ -144,7 +144,7 @@ static int clk_sccg_divq_lookup(struct clk_sccg_pll_setup *setup, temp_setup->fout = temp_setup->vco2; do_div(temp_setup->fout, 2 * (temp_setup->divq + 1)); - ret = clk_sccg_pll2_check_match(setup, temp_setup); + ret = clk_sscg_pll2_check_match(setup, temp_setup); if (!ret) { temp_setup->bypass = PLL_BYPASS1; return ret; @@ -155,14 +155,14 @@ static int clk_sccg_divq_lookup(struct clk_sccg_pll_setup *setup, return ret; } -static int clk_sccg_divf2_lookup(struct clk_sccg_pll_setup *setup, - struct clk_sccg_pll_setup *temp_setup) +static int clk_sscg_divf2_lookup(struct clk_sscg_pll_setup *setup, + struct clk_sscg_pll_setup *temp_setup) { int ret = -EINVAL; for (temp_setup->divf2 = 0; temp_setup->divf2 <= PLL_DIVF2_MAX; temp_setup->divf2++) { - ret = clk_sccg_divq_lookup(setup, temp_setup); + ret = clk_sscg_divq_lookup(setup, temp_setup); if (!ret) return ret; } @@ -170,8 +170,8 @@ static int clk_sccg_divf2_lookup(struct clk_sccg_pll_setup *setup, return ret; } -static int clk_sccg_divr2_lookup(struct clk_sccg_pll_setup *setup, - struct clk_sccg_pll_setup *temp_setup) +static int clk_sscg_divr2_lookup(struct clk_sscg_pll_setup *setup, + struct clk_sscg_pll_setup *temp_setup) { int ret = -EINVAL; @@ -181,7 +181,7 @@ static int clk_sccg_divr2_lookup(struct clk_sccg_pll_setup *setup, do_div(temp_setup->ref_div2, temp_setup->divr2 + 1); if (temp_setup->ref_div2 >= PLL_STAGE2_REF_MIN_FREQ && temp_setup->ref_div2 <= PLL_STAGE2_REF_MAX_FREQ) { - ret = clk_sccg_divf2_lookup(setup, temp_setup); + ret = clk_sscg_divf2_lookup(setup, temp_setup); if (!ret) return ret; } @@ -190,8 +190,8 @@ static int clk_sccg_divr2_lookup(struct clk_sccg_pll_setup *setup, return ret; } -static int clk_sccg_pll2_find_setup(struct clk_sccg_pll_setup *setup, - struct clk_sccg_pll_setup *temp_setup, +static int clk_sscg_pll2_find_setup(struct clk_sscg_pll_setup *setup, + struct clk_sscg_pll_setup *temp_setup, uint64_t ref) { @@ -202,12 +202,12 @@ static int clk_sccg_pll2_find_setup(struct clk_sccg_pll_setup *setup, temp_setup->vco1 = ref; - ret = clk_sccg_divr2_lookup(setup, temp_setup); + ret = clk_sscg_divr2_lookup(setup, temp_setup); return ret; } -static int clk_sccg_divf1_lookup(struct clk_sccg_pll_setup *setup, - struct clk_sccg_pll_setup *temp_setup) +static int clk_sscg_divf1_lookup(struct clk_sscg_pll_setup *setup, + struct clk_sscg_pll_setup *temp_setup) { int ret = -EINVAL; @@ -219,7 +219,7 @@ static int clk_sccg_divf1_lookup(struct clk_sccg_pll_setup *setup, vco1 *= 2; vco1 *= temp_setup->divf1 + 1; - ret = clk_sccg_pll2_find_setup(setup, temp_setup, vco1); + ret = clk_sscg_pll2_find_setup(setup, temp_setup, vco1); if (!ret) { temp_setup->bypass = PLL_BYPASS_NONE; return ret; @@ -229,8 +229,8 @@ static int clk_sccg_divf1_lookup(struct clk_sccg_pll_setup *setup, return ret; } -static int clk_sccg_divr1_lookup(struct clk_sccg_pll_setup *setup, - struct clk_sccg_pll_setup *temp_setup) +static int clk_sscg_divr1_lookup(struct clk_sscg_pll_setup *setup, + struct clk_sscg_pll_setup *temp_setup) { int ret = -EINVAL; @@ -240,7 +240,7 @@ static int clk_sccg_divr1_lookup(struct clk_sccg_pll_setup *setup, do_div(temp_setup->ref_div1, temp_setup->divr1 + 1); if (temp_setup->ref_div1 >= PLL_STAGE1_REF_MIN_FREQ && temp_setup->ref_div1 <= PLL_STAGE1_REF_MAX_FREQ) { - ret = clk_sccg_divf1_lookup(setup, temp_setup); + ret = clk_sscg_divf1_lookup(setup, temp_setup); if (!ret) return ret; } @@ -249,8 +249,8 @@ static int clk_sccg_divr1_lookup(struct clk_sccg_pll_setup *setup, return ret; } -static int clk_sccg_pll1_find_setup(struct clk_sccg_pll_setup *setup, - struct clk_sccg_pll_setup *temp_setup, +static int clk_sscg_pll1_find_setup(struct clk_sscg_pll_setup *setup, + struct clk_sscg_pll_setup *temp_setup, uint64_t ref) { @@ -261,20 +261,20 @@ static int clk_sccg_pll1_find_setup(struct clk_sccg_pll_setup *setup, temp_setup->ref = ref; - ret = clk_sccg_divr1_lookup(setup, temp_setup); + ret = clk_sscg_divr1_lookup(setup, temp_setup); return ret; } -static int clk_sccg_pll_find_setup(struct clk_sccg_pll_setup *setup, +static int clk_sscg_pll_find_setup(struct clk_sscg_pll_setup *setup, uint64_t prate, uint64_t rate, int try_bypass) { - struct clk_sccg_pll_setup temp_setup; + struct clk_sscg_pll_setup temp_setup; int ret = -EINVAL; - memset(&temp_setup, 0, sizeof(struct clk_sccg_pll_setup)); - memset(setup, 0, sizeof(struct clk_sccg_pll_setup)); + memset(&temp_setup, 0, sizeof(struct clk_sscg_pll_setup)); + memset(setup, 0, sizeof(struct clk_sscg_pll_setup)); temp_setup.fout_error = PLL_OUT_MAX_FREQ; temp_setup.fout_request = rate; @@ -290,11 +290,11 @@ static int clk_sccg_pll_find_setup(struct clk_sccg_pll_setup *setup, break; case PLL_BYPASS1: - ret = clk_sccg_pll2_find_setup(setup, &temp_setup, prate); + ret = clk_sscg_pll2_find_setup(setup, &temp_setup, prate); break; case PLL_BYPASS_NONE: - ret = clk_sccg_pll1_find_setup(setup, &temp_setup, prate); + ret = clk_sscg_pll1_find_setup(setup, &temp_setup, prate); break; } @@ -302,30 +302,30 @@ static int clk_sccg_pll_find_setup(struct clk_sccg_pll_setup *setup, } -static int clk_sccg_pll_is_prepared(struct clk_hw *hw) +static int clk_sscg_pll_is_prepared(struct clk_hw *hw) { - struct clk_sccg_pll *pll = to_clk_sccg_pll(hw); + struct clk_sscg_pll *pll = to_clk_sscg_pll(hw); u32 val = readl_relaxed(pll->base + PLL_CFG0); return (val & PLL_PD_MASK) ? 0 : 1; } -static int clk_sccg_pll_prepare(struct clk_hw *hw) +static int clk_sscg_pll_prepare(struct clk_hw *hw) { - struct clk_sccg_pll *pll = to_clk_sccg_pll(hw); + struct clk_sscg_pll *pll = to_clk_sscg_pll(hw); u32 val; val = readl_relaxed(pll->base + PLL_CFG0); val &= ~PLL_PD_MASK; writel_relaxed(val, pll->base + PLL_CFG0); - return clk_sccg_pll_wait_lock(pll); + return clk_sscg_pll_wait_lock(pll); } -static void clk_sccg_pll_unprepare(struct clk_hw *hw) +static void clk_sscg_pll_unprepare(struct clk_hw *hw) { - struct clk_sccg_pll *pll = to_clk_sccg_pll(hw); + struct clk_sscg_pll *pll = to_clk_sscg_pll(hw); u32 val; val = readl_relaxed(pll->base + PLL_CFG0); @@ -333,10 +333,10 @@ static void clk_sccg_pll_unprepare(struct clk_hw *hw) writel_relaxed(val, pll->base + PLL_CFG0); } -static unsigned long clk_sccg_pll_recalc_rate(struct clk_hw *hw, +static unsigned long clk_sscg_pll_recalc_rate(struct clk_hw *hw, unsigned long parent_rate) { - struct clk_sccg_pll *pll = to_clk_sccg_pll(hw); + struct clk_sscg_pll *pll = to_clk_sscg_pll(hw); u32 val, divr1, divf1, divr2, divf2, divq; u64 temp64; @@ -364,11 +364,11 @@ static unsigned long clk_sccg_pll_recalc_rate(struct clk_hw *hw, return temp64; } -static int clk_sccg_pll_set_rate(struct clk_hw *hw, unsigned long rate, +static int clk_sscg_pll_set_rate(struct clk_hw *hw, unsigned long rate, unsigned long parent_rate) { - struct clk_sccg_pll *pll = to_clk_sccg_pll(hw); - struct clk_sccg_pll_setup *setup = &pll->setup; + struct clk_sscg_pll *pll = to_clk_sscg_pll(hw); + struct clk_sscg_pll_setup *setup = &pll->setup; u32 val; /* set bypass here too since the parent might be the same */ @@ -387,12 +387,12 @@ static int clk_sccg_pll_set_rate(struct clk_hw *hw, unsigned long rate, val |= FIELD_PREP(PLL_DIVQ_MASK, setup->divq); writel_relaxed(val, pll->base + PLL_CFG2); - return clk_sccg_pll_wait_lock(pll); + return clk_sscg_pll_wait_lock(pll); } -static u8 clk_sccg_pll_get_parent(struct clk_hw *hw) +static u8 clk_sscg_pll_get_parent(struct clk_hw *hw) { - struct clk_sccg_pll *pll = to_clk_sccg_pll(hw); + struct clk_sscg_pll *pll = to_clk_sscg_pll(hw); u32 val; u8 ret = pll->parent; @@ -404,9 +404,9 @@ static u8 clk_sccg_pll_get_parent(struct clk_hw *hw) return ret; } -static int clk_sccg_pll_set_parent(struct clk_hw *hw, u8 index) +static int clk_sscg_pll_set_parent(struct clk_hw *hw, u8 index) { - struct clk_sccg_pll *pll = to_clk_sccg_pll(hw); + struct clk_sscg_pll *pll = to_clk_sscg_pll(hw); u32 val; val = readl(pll->base + PLL_CFG0); @@ -414,18 +414,18 @@ static int clk_sccg_pll_set_parent(struct clk_hw *hw, u8 index) val |= FIELD_PREP(SSCG_PLL_BYPASS_MASK, pll->setup.bypass); writel(val, pll->base + PLL_CFG0); - return clk_sccg_pll_wait_lock(pll); + return clk_sscg_pll_wait_lock(pll); } -static int __clk_sccg_pll_determine_rate(struct clk_hw *hw, +static int __clk_sscg_pll_determine_rate(struct clk_hw *hw, struct clk_rate_request *req, uint64_t min, uint64_t max, uint64_t rate, int bypass) { - struct clk_sccg_pll *pll = to_clk_sccg_pll(hw); - struct clk_sccg_pll_setup *setup = &pll->setup; + struct clk_sscg_pll *pll = to_clk_sscg_pll(hw); + struct clk_sscg_pll_setup *setup = &pll->setup; struct clk_hw *parent_hw = NULL; int bypass_parent_index; int ret = -EINVAL; @@ -448,7 +448,7 @@ static int __clk_sccg_pll_determine_rate(struct clk_hw *hw, parent_hw = clk_hw_get_parent_by_index(hw, bypass_parent_index); ret = __clk_determine_rate(parent_hw, req); if (!ret) { - ret = clk_sccg_pll_find_setup(setup, req->rate, + ret = clk_sscg_pll_find_setup(setup, req->rate, rate, bypass); } @@ -459,11 +459,11 @@ static int __clk_sccg_pll_determine_rate(struct clk_hw *hw, return ret; } -static int clk_sccg_pll_determine_rate(struct clk_hw *hw, +static int clk_sscg_pll_determine_rate(struct clk_hw *hw, struct clk_rate_request *req) { - struct clk_sccg_pll *pll = to_clk_sccg_pll(hw); - struct clk_sccg_pll_setup *setup = &pll->setup; + struct clk_sscg_pll *pll = to_clk_sscg_pll(hw); + struct clk_sscg_pll_setup *setup = &pll->setup; uint64_t rate = req->rate; uint64_t min = req->min_rate; uint64_t max = req->max_rate; @@ -472,18 +472,18 @@ static int clk_sccg_pll_determine_rate(struct clk_hw *hw, if (rate < PLL_OUT_MIN_FREQ || rate > PLL_OUT_MAX_FREQ) return ret; - ret = __clk_sccg_pll_determine_rate(hw, req, req->rate, req->rate, + ret = __clk_sscg_pll_determine_rate(hw, req, req->rate, req->rate, rate, PLL_BYPASS2); if (!ret) return ret; - ret = __clk_sccg_pll_determine_rate(hw, req, PLL_STAGE1_REF_MIN_FREQ, + ret = __clk_sscg_pll_determine_rate(hw, req, PLL_STAGE1_REF_MIN_FREQ, PLL_STAGE1_REF_MAX_FREQ, rate, PLL_BYPASS1); if (!ret) return ret; - ret = __clk_sccg_pll_determine_rate(hw, req, PLL_REF_MIN_FREQ, + ret = __clk_sscg_pll_determine_rate(hw, req, PLL_REF_MIN_FREQ, PLL_REF_MAX_FREQ, rate, PLL_BYPASS_NONE); if (!ret) @@ -495,25 +495,25 @@ static int clk_sccg_pll_determine_rate(struct clk_hw *hw, return ret; } -static const struct clk_ops clk_sccg_pll_ops = { - .prepare = clk_sccg_pll_prepare, - .unprepare = clk_sccg_pll_unprepare, - .is_prepared = clk_sccg_pll_is_prepared, - .recalc_rate = clk_sccg_pll_recalc_rate, - .set_rate = clk_sccg_pll_set_rate, - .set_parent = clk_sccg_pll_set_parent, - .get_parent = clk_sccg_pll_get_parent, - .determine_rate = clk_sccg_pll_determine_rate, +static const struct clk_ops clk_sscg_pll_ops = { + .prepare = clk_sscg_pll_prepare, + .unprepare = clk_sscg_pll_unprepare, + .is_prepared = clk_sscg_pll_is_prepared, + .recalc_rate = clk_sscg_pll_recalc_rate, + .set_rate = clk_sscg_pll_set_rate, + .set_parent = clk_sscg_pll_set_parent, + .get_parent = clk_sscg_pll_get_parent, + .determine_rate = clk_sscg_pll_determine_rate, }; -struct clk *imx_clk_sccg_pll(const char *name, +struct clk *imx_clk_sscg_pll(const char *name, const char * const *parent_names, u8 num_parents, u8 parent, u8 bypass1, u8 bypass2, void __iomem *base, unsigned long flags) { - struct clk_sccg_pll *pll; + struct clk_sscg_pll *pll; struct clk_init_data init; struct clk_hw *hw; int ret; @@ -528,7 +528,7 @@ struct clk *imx_clk_sccg_pll(const char *name, pll->base = base; init.name = name; - init.ops = &clk_sccg_pll_ops; + init.ops = &clk_sscg_pll_ops; init.flags = flags; init.parent_names = parent_names; diff --git a/drivers/clk/imx/clk.h b/drivers/clk/imx/clk.h index 00ec48107c0c..4770a03ac1ca 100644 --- a/drivers/clk/imx/clk.h +++ b/drivers/clk/imx/clk.h @@ -24,7 +24,7 @@ enum imx_pllv1_type { IMX_PLLV1_IMX35, }; -enum imx_sccg_pll_type { +enum imx_sscg_pll_type { SCCG_PLL1, SCCG_PLL2, }; @@ -110,7 +110,7 @@ struct clk *imx_clk_pllv2(const char *name, const char *parent, struct clk *imx_clk_frac_pll(const char *name, const char *parent_name, void __iomem *base); -struct clk *imx_clk_sccg_pll(const char *name, +struct clk *imx_clk_sscg_pll(const char *name, const char * const *parent_names, u8 num_parents, u8 parent, u8 bypass1, u8 bypass2, -- 2.30.2