diff options
Diffstat (limited to 'drivers/clk')
| -rw-r--r-- | drivers/clk/Kconfig | 1 | ||||
| -rw-r--r-- | drivers/clk/clk-renesas-pcie.c | 1 | ||||
| -rw-r--r-- | drivers/clk/clk-versaclock5.c | 28 | ||||
| -rw-r--r-- | drivers/clk/meson/clk-cpu-dyndiv.c | 9 | ||||
| -rw-r--r-- | drivers/clk/meson/clk-dualdiv.c | 21 | ||||
| -rw-r--r-- | drivers/clk/meson/clk-mpll.c | 20 | ||||
| -rw-r--r-- | drivers/clk/meson/sclk-div.c | 11 | ||||
| -rw-r--r-- | drivers/clk/ralink/clk-mt7621.c | 10 | ||||
| -rw-r--r-- | drivers/clk/sprd/Kconfig | 2 |
9 files changed, 68 insertions, 35 deletions
diff --git a/drivers/clk/Kconfig b/drivers/clk/Kconfig index d79905f3e174..b6c5bf69a2b2 100644 --- a/drivers/clk/Kconfig +++ b/drivers/clk/Kconfig @@ -23,7 +23,6 @@ menuconfig COMMON_CLK depends on !HAVE_LEGACY_CLK select HAVE_CLK_PREPARE select HAVE_CLK - select SRCU select RATIONAL help The common clock framework is a single definition of struct diff --git a/drivers/clk/clk-renesas-pcie.c b/drivers/clk/clk-renesas-pcie.c index e6247141d0c0..f91f30560820 100644 --- a/drivers/clk/clk-renesas-pcie.c +++ b/drivers/clk/clk-renesas-pcie.c @@ -60,7 +60,6 @@ struct rs9_driver_data { struct i2c_client *client; struct regmap *regmap; const struct rs9_chip_info *chip_info; - struct clk *pin_xin; struct clk_hw *clk_dif[2]; u8 pll_amplitude; u8 pll_ssc; diff --git a/drivers/clk/clk-versaclock5.c b/drivers/clk/clk-versaclock5.c index e9737969170e..fa71a57875ce 100644 --- a/drivers/clk/clk-versaclock5.c +++ b/drivers/clk/clk-versaclock5.c @@ -122,9 +122,8 @@ #define VC5_GLOBAL_REGISTER 0x76 #define VC5_GLOBAL_REGISTER_GLOBAL_RESET BIT(5) -/* PLL/VCO runs between 2.5 GHz and 3.0 GHz */ +/* The minimum VCO frequency is 2.5 GHz. The maximum is variant specific. */ #define VC5_PLL_VCO_MIN 2500000000UL -#define VC5_PLL_VCO_MAX 3000000000UL /* VC5 Input mux settings */ #define VC5_MUX_IN_XIN BIT(0) @@ -150,6 +149,7 @@ enum vc5_model { IDT_VC5_5P49V5925, IDT_VC5_5P49V5933, IDT_VC5_5P49V5935, + IDT_VC6_5P49V60, IDT_VC6_5P49V6901, IDT_VC6_5P49V6965, IDT_VC6_5P49V6975, @@ -161,6 +161,7 @@ struct vc5_chip_info { const unsigned int clk_fod_cnt; const unsigned int clk_out_cnt; const u32 flags; + const unsigned long vco_max; }; struct vc5_driver_data; @@ -446,13 +447,11 @@ static long vc5_pll_round_rate(struct clk_hw *hw, unsigned long rate, unsigned long *parent_rate) { struct vc5_hw_data *hwdata = container_of(hw, struct vc5_hw_data, hw); + struct vc5_driver_data *vc5 = hwdata->vc5; u32 div_int; u64 div_frc; - if (rate < VC5_PLL_VCO_MIN) - rate = VC5_PLL_VCO_MIN; - if (rate > VC5_PLL_VCO_MAX) - rate = VC5_PLL_VCO_MAX; + rate = clamp(rate, VC5_PLL_VCO_MIN, vc5->chip_info->vco_max); /* Determine integer part, which is 12 bit wide */ div_int = rate / *parent_rate; @@ -1212,6 +1211,7 @@ static const struct vc5_chip_info idt_5p49v5923_info = { .clk_fod_cnt = 2, .clk_out_cnt = 3, .flags = 0, + .vco_max = 3000000000UL, }; static const struct vc5_chip_info idt_5p49v5925_info = { @@ -1219,6 +1219,7 @@ static const struct vc5_chip_info idt_5p49v5925_info = { .clk_fod_cnt = 4, .clk_out_cnt = 5, .flags = 0, + .vco_max = 3000000000UL, }; static const struct vc5_chip_info idt_5p49v5933_info = { @@ -1226,6 +1227,7 @@ static const struct vc5_chip_info idt_5p49v5933_info = { .clk_fod_cnt = 2, .clk_out_cnt = 3, .flags = VC5_HAS_INTERNAL_XTAL, + .vco_max = 3000000000UL, }; static const struct vc5_chip_info idt_5p49v5935_info = { @@ -1233,6 +1235,15 @@ static const struct vc5_chip_info idt_5p49v5935_info = { .clk_fod_cnt = 4, .clk_out_cnt = 5, .flags = VC5_HAS_INTERNAL_XTAL, + .vco_max = 3000000000UL, +}; + +static const struct vc5_chip_info idt_5p49v60_info = { + .model = IDT_VC6_5P49V60, + .clk_fod_cnt = 4, + .clk_out_cnt = 5, + .flags = VC5_HAS_PFD_FREQ_DBL | VC5_HAS_BYPASS_SYNC_BIT, + .vco_max = 2700000000UL, }; static const struct vc5_chip_info idt_5p49v6901_info = { @@ -1240,6 +1251,7 @@ static const struct vc5_chip_info idt_5p49v6901_info = { .clk_fod_cnt = 4, .clk_out_cnt = 5, .flags = VC5_HAS_PFD_FREQ_DBL | VC5_HAS_BYPASS_SYNC_BIT, + .vco_max = 3000000000UL, }; static const struct vc5_chip_info idt_5p49v6965_info = { @@ -1247,6 +1259,7 @@ static const struct vc5_chip_info idt_5p49v6965_info = { .clk_fod_cnt = 4, .clk_out_cnt = 5, .flags = VC5_HAS_BYPASS_SYNC_BIT, + .vco_max = 3000000000UL, }; static const struct vc5_chip_info idt_5p49v6975_info = { @@ -1254,6 +1267,7 @@ static const struct vc5_chip_info idt_5p49v6975_info = { .clk_fod_cnt = 4, .clk_out_cnt = 5, .flags = VC5_HAS_BYPASS_SYNC_BIT | VC5_HAS_INTERNAL_XTAL, + .vco_max = 3000000000UL, }; static const struct i2c_device_id vc5_id[] = { @@ -1261,6 +1275,7 @@ static const struct i2c_device_id vc5_id[] = { { "5p49v5925", .driver_data = IDT_VC5_5P49V5925 }, { "5p49v5933", .driver_data = IDT_VC5_5P49V5933 }, { "5p49v5935", .driver_data = IDT_VC5_5P49V5935 }, + { "5p49v60", .driver_data = IDT_VC6_5P49V60 }, { "5p49v6901", .driver_data = IDT_VC6_5P49V6901 }, { "5p49v6965", .driver_data = IDT_VC6_5P49V6965 }, { "5p49v6975", .driver_data = IDT_VC6_5P49V6975 }, @@ -1273,6 +1288,7 @@ static const struct of_device_id clk_vc5_of_match[] = { { .compatible = "idt,5p49v5925", .data = &idt_5p49v5925_info }, { .compatible = "idt,5p49v5933", .data = &idt_5p49v5933_info }, { .compatible = "idt,5p49v5935", .data = &idt_5p49v5935_info }, + { .compatible = "idt,5p49v60", .data = &idt_5p49v60_info }, { .compatible = "idt,5p49v6901", .data = &idt_5p49v6901_info }, { .compatible = "idt,5p49v6965", .data = &idt_5p49v6965_info }, { .compatible = "idt,5p49v6975", .data = &idt_5p49v6975_info }, diff --git a/drivers/clk/meson/clk-cpu-dyndiv.c b/drivers/clk/meson/clk-cpu-dyndiv.c index 36976927fe82..8778c149d26a 100644 --- a/drivers/clk/meson/clk-cpu-dyndiv.c +++ b/drivers/clk/meson/clk-cpu-dyndiv.c @@ -27,14 +27,13 @@ static unsigned long meson_clk_cpu_dyndiv_recalc_rate(struct clk_hw *hw, NULL, 0, data->div.width); } -static long meson_clk_cpu_dyndiv_round_rate(struct clk_hw *hw, - unsigned long rate, - unsigned long *prate) +static int meson_clk_cpu_dyndiv_determine_rate(struct clk_hw *hw, + struct clk_rate_request *req) { struct clk_regmap *clk = to_clk_regmap(hw); struct meson_clk_cpu_dyndiv_data *data = meson_clk_cpu_dyndiv_data(clk); - return divider_round_rate(hw, rate, prate, NULL, data->div.width, 0); + return divider_determine_rate(hw, req, NULL, data->div.width, 0); } static int meson_clk_cpu_dyndiv_set_rate(struct clk_hw *hw, unsigned long rate, @@ -63,7 +62,7 @@ static int meson_clk_cpu_dyndiv_set_rate(struct clk_hw *hw, unsigned long rate, const struct clk_ops meson_clk_cpu_dyndiv_ops = { .recalc_rate = meson_clk_cpu_dyndiv_recalc_rate, - .round_rate = meson_clk_cpu_dyndiv_round_rate, + .determine_rate = meson_clk_cpu_dyndiv_determine_rate, .set_rate = meson_clk_cpu_dyndiv_set_rate, }; EXPORT_SYMBOL_GPL(meson_clk_cpu_dyndiv_ops); diff --git a/drivers/clk/meson/clk-dualdiv.c b/drivers/clk/meson/clk-dualdiv.c index c5ca23a5e3e8..feae49a8f6dc 100644 --- a/drivers/clk/meson/clk-dualdiv.c +++ b/drivers/clk/meson/clk-dualdiv.c @@ -86,18 +86,23 @@ __dualdiv_get_setting(unsigned long rate, unsigned long parent_rate, return (struct meson_clk_dualdiv_param *)&table[best_i]; } -static long meson_clk_dualdiv_round_rate(struct clk_hw *hw, unsigned long rate, - unsigned long *parent_rate) +static int meson_clk_dualdiv_determine_rate(struct clk_hw *hw, + struct clk_rate_request *req) { struct clk_regmap *clk = to_clk_regmap(hw); struct meson_clk_dualdiv_data *dualdiv = meson_clk_dualdiv_data(clk); - const struct meson_clk_dualdiv_param *setting = - __dualdiv_get_setting(rate, *parent_rate, dualdiv); + const struct meson_clk_dualdiv_param *setting; - if (!setting) - return meson_clk_dualdiv_recalc_rate(hw, *parent_rate); + setting = __dualdiv_get_setting(req->rate, req->best_parent_rate, + dualdiv); + if (setting) + req->rate = __dualdiv_param_to_rate(req->best_parent_rate, + setting); + else + req->rate = meson_clk_dualdiv_recalc_rate(hw, + req->best_parent_rate); - return __dualdiv_param_to_rate(*parent_rate, setting); + return 0; } static int meson_clk_dualdiv_set_rate(struct clk_hw *hw, unsigned long rate, @@ -122,7 +127,7 @@ static int meson_clk_dualdiv_set_rate(struct clk_hw *hw, unsigned long rate, const struct clk_ops meson_clk_dualdiv_ops = { .recalc_rate = meson_clk_dualdiv_recalc_rate, - .round_rate = meson_clk_dualdiv_round_rate, + .determine_rate = meson_clk_dualdiv_determine_rate, .set_rate = meson_clk_dualdiv_set_rate, }; EXPORT_SYMBOL_GPL(meson_clk_dualdiv_ops); diff --git a/drivers/clk/meson/clk-mpll.c b/drivers/clk/meson/clk-mpll.c index fc9df4860872..20255e129b37 100644 --- a/drivers/clk/meson/clk-mpll.c +++ b/drivers/clk/meson/clk-mpll.c @@ -87,16 +87,22 @@ static unsigned long mpll_recalc_rate(struct clk_hw *hw, return rate < 0 ? 0 : rate; } -static long mpll_round_rate(struct clk_hw *hw, - unsigned long rate, - unsigned long *parent_rate) +static int mpll_determine_rate(struct clk_hw *hw, struct clk_rate_request *req) { struct clk_regmap *clk = to_clk_regmap(hw); struct meson_clk_mpll_data *mpll = meson_clk_mpll_data(clk); unsigned int sdm, n2; + long rate; + + params_from_rate(req->rate, req->best_parent_rate, &sdm, &n2, + mpll->flags); - params_from_rate(rate, *parent_rate, &sdm, &n2, mpll->flags); - return rate_from_params(*parent_rate, sdm, n2); + rate = rate_from_params(req->best_parent_rate, sdm, n2); + if (rate < 0) + return rate; + + req->rate = rate; + return 0; } static int mpll_set_rate(struct clk_hw *hw, @@ -157,13 +163,13 @@ static int mpll_init(struct clk_hw *hw) const struct clk_ops meson_clk_mpll_ro_ops = { .recalc_rate = mpll_recalc_rate, - .round_rate = mpll_round_rate, + .determine_rate = mpll_determine_rate, }; EXPORT_SYMBOL_GPL(meson_clk_mpll_ro_ops); const struct clk_ops meson_clk_mpll_ops = { .recalc_rate = mpll_recalc_rate, - .round_rate = mpll_round_rate, + .determine_rate = mpll_determine_rate, .set_rate = mpll_set_rate, .init = mpll_init, }; diff --git a/drivers/clk/meson/sclk-div.c b/drivers/clk/meson/sclk-div.c index 76d31c0a3342..d12c45c4c261 100644 --- a/drivers/clk/meson/sclk-div.c +++ b/drivers/clk/meson/sclk-div.c @@ -96,16 +96,17 @@ static int sclk_div_bestdiv(struct clk_hw *hw, unsigned long rate, return bestdiv; } -static long sclk_div_round_rate(struct clk_hw *hw, unsigned long rate, - unsigned long *prate) +static int sclk_div_determine_rate(struct clk_hw *hw, + struct clk_rate_request *req) { struct clk_regmap *clk = to_clk_regmap(hw); struct meson_sclk_div_data *sclk = meson_sclk_div_data(clk); int div; - div = sclk_div_bestdiv(hw, rate, prate, sclk); + div = sclk_div_bestdiv(hw, req->rate, &req->best_parent_rate, sclk); + req->rate = DIV_ROUND_UP_ULL((u64)req->best_parent_rate, div); - return DIV_ROUND_UP_ULL((u64)*prate, div); + return 0; } static void sclk_apply_ratio(struct clk_regmap *clk, @@ -237,7 +238,7 @@ static int sclk_div_init(struct clk_hw *hw) const struct clk_ops meson_sclk_div_ops = { .recalc_rate = sclk_div_recalc_rate, - .round_rate = sclk_div_round_rate, + .determine_rate = sclk_div_determine_rate, .set_rate = sclk_div_set_rate, .enable = sclk_div_enable, .disable = sclk_div_disable, diff --git a/drivers/clk/ralink/clk-mt7621.c b/drivers/clk/ralink/clk-mt7621.c index 99256659dd96..d95a33293b0a 100644 --- a/drivers/clk/ralink/clk-mt7621.c +++ b/drivers/clk/ralink/clk-mt7621.c @@ -121,7 +121,7 @@ static int mt7621_gate_is_enabled(struct clk_hw *hw) if (regmap_read(sysc, SYSC_REG_CLKCFG1, &val)) return 0; - return val & BIT(clk_gate->bit_idx); + return val & clk_gate->bit_idx; } static const struct clk_ops mt7621_gate_ops = { @@ -133,8 +133,14 @@ static const struct clk_ops mt7621_gate_ops = { static int mt7621_gate_ops_init(struct device *dev, struct mt7621_gate *sclk) { + /* + * There are drivers for this SoC that are older + * than clock driver and are not prepared for the clock. + * We don't want the kernel to disable anything so we + * add CLK_IS_CRITICAL flag here. + */ struct clk_init_data init = { - .flags = CLK_SET_RATE_PARENT, + .flags = CLK_SET_RATE_PARENT | CLK_IS_CRITICAL, .num_parents = 1, .parent_names = &sclk->parent_name, .ops = &mt7621_gate_ops, diff --git a/drivers/clk/sprd/Kconfig b/drivers/clk/sprd/Kconfig index c744bd9d2f96..2f19c8d58ff2 100644 --- a/drivers/clk/sprd/Kconfig +++ b/drivers/clk/sprd/Kconfig @@ -24,6 +24,8 @@ config SPRD_SC9863A_CLK config SPRD_UMS512_CLK tristate "Support for the Spreadtrum UMS512 clocks" + depends on (ARM64 && ARCH_SPRD) || COMPILE_TEST + default ARM64 && ARCH_SPRD help Support for the global clock controller on ums512 devices. Say Y if you want to use peripheral devices on ums512 SoC. |