[16/19] clk: meson: split divider and gate part of mpll

Message ID	20180131180945.18025-17-jbrunet@baylibre.com
State	Superseded
Headers	show Delivered-To: patch@linaro.org Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; From: Jerome Brunet <jbrunet@baylibre.com> To: Neil Armstrong <narmstrong@baylibre.com>, Kevin Hilman <khilman@baylibre.com> Cc: Jerome Brunet <jbrunet@baylibre.com>, Stephen Boyd <sboyd@codeaurora.org>, Michael Turquette <mturquette@baylibre.com>, Carlo Caione <carlo@caione.org>, linux-amlogic@lists.infradead.org, linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 16/19] clk: meson: split divider and gate part of mpll Date: Wed, 31 Jan 2018 19:09:42 +0100 Message-Id: <20180131180945.18025-17-jbrunet@baylibre.com> In-Reply-To: <20180131180945.18025-1-jbrunet@baylibre.com> References: <20180131180945.18025-1-jbrunet@baylibre.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk
Series	clk: meson: use regmap in clock controllers \| expand [00/19] clk: meson: use regmap in clock controllers [01/19] clk: meson: use dev pointer where possible [02/19] clk: meson: use devm_of_clk_add_hw_provider [03/19] clk: meson: only one loop index is necessary in probe [04/19] clk: meson: remove obsolete comments [05/19] clk: meson: add regmap clocks [06/19] clk: meson: switch gxbb ao_clk to clk_regmap [07/19] clk: meson: remove superseded aoclk_gate_regmap [08/19] clk: meson: add regmap to the clock controllers [09/19] clk: meson: migrate gates to clk_regmap [10/19] clk: meson: migrate dividers to clk_regmap [11/19] clk: meson: migrate muxes to clk_regmap [12/19] clk: meson: add regmap helpers for parm [13/19] clk: meson: migrate mplls clocks to clk_regmap [14/19] clk: meson: migrate the audio divider clock to clk_regmap [15/19] clk: meson: migrate plls clocks to clk_regmap [16/19] clk: meson: split divider and gate part of mpll [17/19] clk: meson: rework meson8b cpu clock [18/19] clk: meson: remove obsolete cpu_clk [19/19] clk: meson: use hhi syscon if available

diff --git a/drivers/clk/meson/axg.c b/drivers/clk/meson/axg.c index df1f15bfd058..ae1dd35246f5 100644 --- a/drivers/clk/meson/axg.c +++ b/drivers/clk/meson/axg.c @@ -296,7 +296,7 @@ static struct clk_fixed_factor axg_fclk_div7 = { }, }; -static struct clk_regmap axg_mpll0 = { +static struct clk_regmap axg_mpll0_div = { .data = &(struct meson_clk_mpll_data){ .sdm = { .reg_off = HHI_MPLL_CNTL7, @@ -313,11 +313,6 @@ static struct clk_regmap axg_mpll0 = { .shift = 16, .width = 9, }, - .en = { - .reg_off = HHI_MPLL_CNTL7, - .shift = 14, - .width = 1, - }, .ssen = { .reg_off = HHI_MPLL_CNTL, .shift = 25, @@ -331,14 +326,28 @@ static struct clk_regmap axg_mpll0 = { .lock = &meson_clk_lock, }, .hw.init = &(struct clk_init_data){ - .name = "mpll0", + .name = "mpll0_div", .ops = &meson_clk_mpll_ops, .parent_names = (const char *[]){ "fixed_pll" }, .num_parents = 1, }, }; -static struct clk_regmap axg_mpll1 = { +static struct clk_regmap axg_mpll0 = { + .data = &(struct clk_regmap_gate_data){ + .offset = HHI_MPLL_CNTL7, + .bit_idx = 14, + }, + .hw.init = &(struct clk_init_data){ + .name = "mpll0", + .ops = &clk_regmap_gate_ops, + .parent_names = (const char *[]){ "mpll0_div" }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + }, +}; + +static struct clk_regmap axg_mpll1_div = { .data = &(struct meson_clk_mpll_data){ .sdm = { .reg_off = HHI_MPLL_CNTL8, @@ -355,11 +364,6 @@ static struct clk_regmap axg_mpll1 = { .shift = 16, .width = 9, }, - .en = { - .reg_off = HHI_MPLL_CNTL8, - .shift = 14, - .width = 1, - }, .misc = { .reg_off = HHI_PLL_TOP_MISC, .shift = 1, @@ -368,14 +372,28 @@ static struct clk_regmap axg_mpll1 = { .lock = &meson_clk_lock, }, .hw.init = &(struct clk_init_data){ - .name = "mpll1", + .name = "mpll1_div", .ops = &meson_clk_mpll_ops, .parent_names = (const char *[]){ "fixed_pll" }, .num_parents = 1, }, }; -static struct clk_regmap axg_mpll2 = { +static struct clk_regmap axg_mpll1 = { + .data = &(struct clk_regmap_gate_data){ + .offset = HHI_MPLL_CNTL8, + .bit_idx = 14, + }, + .hw.init = &(struct clk_init_data){ + .name = "mpll1", + .ops = &clk_regmap_gate_ops, + .parent_names = (const char *[]){ "mpll1_div" }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + }, +}; + +static struct clk_regmap axg_mpll2_div = { .data = &(struct meson_clk_mpll_data){ .sdm = { .reg_off = HHI_MPLL_CNTL9, @@ -392,11 +410,6 @@ static struct clk_regmap axg_mpll2 = { .shift = 16, .width = 9, }, - .en = { - .reg_off = HHI_MPLL_CNTL9, - .shift = 14, - .width = 1, - }, .misc = { .reg_off = HHI_PLL_TOP_MISC, .shift = 2, @@ -405,14 +418,28 @@ static struct clk_regmap axg_mpll2 = { .lock = &meson_clk_lock, }, .hw.init = &(struct clk_init_data){ - .name = "mpll2", + .name = "mpll2_div", .ops = &meson_clk_mpll_ops, .parent_names = (const char *[]){ "fixed_pll" }, .num_parents = 1, }, }; -static struct clk_regmap axg_mpll3 = { +static struct clk_regmap axg_mpll2 = { + .data = &(struct clk_regmap_gate_data){ + .offset = HHI_MPLL_CNTL9, + .bit_idx = 14, + }, + .hw.init = &(struct clk_init_data){ + .name = "mpll2", + .ops = &clk_regmap_gate_ops, + .parent_names = (const char *[]){ "mpll2_div" }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + }, +}; + +static struct clk_regmap axg_mpll3_div = { .data = &(struct meson_clk_mpll_data){ .sdm = { .reg_off = HHI_MPLL3_CNTL0, @@ -429,11 +456,6 @@ static struct clk_regmap axg_mpll3 = { .shift = 2, .width = 9, }, - .en = { - .reg_off = HHI_MPLL3_CNTL0, - .shift = 0, - .width = 1, - }, .misc = { .reg_off = HHI_PLL_TOP_MISC, .shift = 3, @@ -442,13 +464,27 @@ static struct clk_regmap axg_mpll3 = { .lock = &meson_clk_lock, }, .hw.init = &(struct clk_init_data){ - .name = "mpll3", + .name = "mpll3_div", .ops = &meson_clk_mpll_ops, .parent_names = (const char *[]){ "fixed_pll" }, .num_parents = 1, }, }; +static struct clk_regmap axg_mpll3 = { + .data = &(struct clk_regmap_gate_data){ + .offset = HHI_MPLL3_CNTL0, + .bit_idx = 0, + }, + .hw.init = &(struct clk_init_data){ + .name = "mpll3", + .ops = &clk_regmap_gate_ops, + .parent_names = (const char *[]){ "mpll3_div" }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + }, +}; + static u32 mux_table_clk81[] = { 0, 2, 3, 4, 5, 6, 7 }; static const char * const clk81_parent_names[] = { "xtal", "fclk_div7", "mpll1", "mpll2", "fclk_div4", @@ -722,6 +758,10 @@ static struct clk_hw_onecell_data axg_hw_onecell_data = { [CLKID_SD_EMMC_C_CLK0_SEL] = &axg_sd_emmc_c_clk0_sel.hw, [CLKID_SD_EMMC_C_CLK0_DIV] = &axg_sd_emmc_c_clk0_div.hw, [CLKID_SD_EMMC_C_CLK0] = &axg_sd_emmc_c_clk0.hw, + [CLKID_MPLL0_DIV] = &axg_mpll0_div.hw, + [CLKID_MPLL1_DIV] = &axg_mpll1_div.hw, + [CLKID_MPLL2_DIV] = &axg_mpll2_div.hw, + [CLKID_MPLL3_DIV] = &axg_mpll3_div.hw, [NR_CLKS] = NULL, }, .num = NR_CLKS, @@ -786,6 +826,10 @@ static struct clk_regmap *const axg_clk_regmaps[] = { &axg_mpll1, &axg_mpll2, &axg_mpll3, + &axg_mpll0_div, + &axg_mpll1_div, + &axg_mpll2_div, + &axg_mpll3_div, &axg_fixed_pll, &axg_sys_pll, &axg_gp0_pll, diff --git a/drivers/clk/meson/axg.h b/drivers/clk/meson/axg.h index ce0bafdb6b28..4c1502a8b8c9 100644 --- a/drivers/clk/meson/axg.h +++ b/drivers/clk/meson/axg.h @@ -117,8 +117,12 @@ #define CLKID_SD_EMMC_B_CLK0_DIV 62 #define CLKID_SD_EMMC_C_CLK0_SEL 63 #define CLKID_SD_EMMC_C_CLK0_DIV 64 +#define CLKID_MPLL0_DIV 65 +#define CLKID_MPLL1_DIV 66 +#define CLKID_MPLL2_DIV 67 +#define CLKID_MPLL3_DIV 68 -#define NR_CLKS 65 +#define NR_CLKS 69 /* include the CLKIDs that have been made part of the DT binding */ #include <dt-bindings/clock/axg-clkc.h> diff --git a/drivers/clk/meson/clk-mpll.c b/drivers/clk/meson/clk-mpll.c index 66998ff47635..0df1227b65b3 100644 --- a/drivers/clk/meson/clk-mpll.c +++ b/drivers/clk/meson/clk-mpll.c @@ -170,57 +170,13 @@ static int mpll_set_rate(struct clk_hw *hw, return 0; } -static void mpll_enable_core(struct clk_hw *hw, int enable) -{ - struct clk_regmap *clk = to_clk_regmap(hw); - struct meson_clk_mpll_data *mpll = meson_clk_mpll_data(clk); - unsigned long flags = 0; - - if (mpll->lock) - spin_lock_irqsave(mpll->lock, flags); - else - __acquire(mpll->lock); - - meson_parm_write(clk->map, &mpll->en, enable ? 1 : 0); - - if (mpll->lock) - spin_unlock_irqrestore(mpll->lock, flags); - else - __release(mpll->lock); -} - - -static int mpll_enable(struct clk_hw *hw) -{ - mpll_enable_core(hw, 1); - - return 0; -} - -static void mpll_disable(struct clk_hw *hw) -{ - mpll_enable_core(hw, 0); -} - -static int mpll_is_enabled(struct clk_hw *hw) -{ - struct clk_regmap *clk = to_clk_regmap(hw); - struct meson_clk_mpll_data *mpll = meson_clk_mpll_data(clk); - - return meson_parm_read(clk->map, &mpll->en); -} - const struct clk_ops meson_clk_mpll_ro_ops = { .recalc_rate = mpll_recalc_rate, .round_rate = mpll_round_rate, - .is_enabled = mpll_is_enabled, }; const struct clk_ops meson_clk_mpll_ops = { .recalc_rate = mpll_recalc_rate, .round_rate = mpll_round_rate, .set_rate = mpll_set_rate, - .enable = mpll_enable, - .disable = mpll_disable, - .is_enabled = mpll_is_enabled, }; diff --git a/drivers/clk/meson/clkc.h b/drivers/clk/meson/clkc.h index f0d70eaffcf3..cc1a964cd4d7 100644 --- a/drivers/clk/meson/clkc.h +++ b/drivers/clk/meson/clkc.h @@ -116,7 +116,6 @@ struct meson_clk_mpll_data { struct parm sdm; struct parm sdm_en; struct parm n2; - struct parm en; struct parm ssen; struct parm misc; spinlock_t *lock; diff --git a/drivers/clk/meson/gxbb.c b/drivers/clk/meson/gxbb.c index 49f5716ce8b6..92403ab2daf5 100644 --- a/drivers/clk/meson/gxbb.c +++ b/drivers/clk/meson/gxbb.c @@ -540,7 +540,7 @@ static struct clk_fixed_factor gxbb_fclk_div7 = { }, }; -static struct clk_regmap gxbb_mpll0 = { +static struct clk_regmap gxbb_mpll0_div = { .data = &(struct meson_clk_mpll_data){ .sdm = { .reg_off = HHI_MPLL_CNTL7, @@ -557,11 +557,6 @@ static struct clk_regmap gxbb_mpll0 = { .shift = 16, .width = 9, }, - .en = { - .reg_off = HHI_MPLL_CNTL7, - .shift = 14, - .width = 1, - }, .ssen = { .reg_off = HHI_MPLL_CNTL, .shift = 25, @@ -570,14 +565,28 @@ static struct clk_regmap gxbb_mpll0 = { .lock = &meson_clk_lock, }, .hw.init = &(struct clk_init_data){ - .name = "mpll0", + .name = "mpll0_div", .ops = &meson_clk_mpll_ops, .parent_names = (const char *[]){ "fixed_pll" }, .num_parents = 1, }, }; -static struct clk_regmap gxbb_mpll1 = { +static struct clk_regmap gxbb_mpll0 = { + .data = &(struct clk_regmap_gate_data){ + .offset = HHI_MPLL_CNTL7, + .bit_idx = 14, + }, + .hw.init = &(struct clk_init_data){ + .name = "mpll0", + .ops = &clk_regmap_gate_ops, + .parent_names = (const char *[]){ "mpll0_div" }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + }, +}; + +static struct clk_regmap gxbb_mpll1_div = { .data = &(struct meson_clk_mpll_data){ .sdm = { .reg_off = HHI_MPLL_CNTL8, @@ -594,22 +603,31 @@ static struct clk_regmap gxbb_mpll1 = { .shift = 16, .width = 9, }, - .en = { - .reg_off = HHI_MPLL_CNTL8, - .shift = 14, - .width = 1, - }, .lock = &meson_clk_lock, }, .hw.init = &(struct clk_init_data){ - .name = "mpll1", + .name = "mpll1_div", .ops = &meson_clk_mpll_ops, .parent_names = (const char *[]){ "fixed_pll" }, .num_parents = 1, }, }; -static struct clk_regmap gxbb_mpll2 = { +static struct clk_regmap gxbb_mpll1 = { + .data = &(struct clk_regmap_gate_data){ + .offset = HHI_MPLL_CNTL8, + .bit_idx = 14, + }, + .hw.init = &(struct clk_init_data){ + .name = "mpll1", + .ops = &clk_regmap_gate_ops, + .parent_names = (const char *[]){ "mpll1_div" }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + }, +}; + +static struct clk_regmap gxbb_mpll2_div = { .data = &(struct meson_clk_mpll_data){ .sdm = { .reg_off = HHI_MPLL_CNTL9, @@ -626,21 +644,30 @@ static struct clk_regmap gxbb_mpll2 = { .shift = 16, .width = 9, }, - .en = { - .reg_off = HHI_MPLL_CNTL9, - .shift = 14, - .width = 1, - }, .lock = &meson_clk_lock, }, .hw.init = &(struct clk_init_data){ - .name = "mpll2", + .name = "mpll2_div", .ops = &meson_clk_mpll_ops, .parent_names = (const char *[]){ "fixed_pll" }, .num_parents = 1, }, }; +static struct clk_regmap gxbb_mpll2 = { + .data = &(struct clk_regmap_gate_data){ + .offset = HHI_MPLL_CNTL9, + .bit_idx = 14, + }, + .hw.init = &(struct clk_init_data){ + .name = "mpll2", + .ops = &clk_regmap_gate_ops, + .parent_names = (const char *[]){ "mpll2_div" }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + }, +}; + static u32 mux_table_clk81[] = { 0, 2, 3, 4, 5, 6, 7 }; static const char * const clk81_parent_names[] = { "xtal", "fclk_div7", "mpll1", "mpll2", "fclk_div4", @@ -1815,6 +1842,9 @@ static struct clk_hw_onecell_data gxl_hw_onecell_data = { [CLKID_VAPB_1] = &gxbb_vapb_1.hw, [CLKID_VAPB_SEL] = &gxbb_vapb_sel.hw, [CLKID_VAPB] = &gxbb_vapb.hw, + [CLKID_MPLL0_DIV] = &gxbb_mpll0_div.hw, + [CLKID_MPLL1_DIV] = &gxbb_mpll1_div.hw, + [CLKID_MPLL2_DIV] = &gxbb_mpll2_div.hw, [NR_CLKS] = NULL, }, .num = NR_CLKS, @@ -1961,6 +1991,9 @@ static struct clk_regmap *const gx_clk_regmaps[] = { &gxbb_mpll0, &gxbb_mpll1, &gxbb_mpll2, + &gxbb_mpll0_div, + &gxbb_mpll1_div, + &gxbb_mpll2_div, &gxbb_cts_amclk_div, &gxbb_fixed_pll, &gxbb_sys_pll, diff --git a/drivers/clk/meson/gxbb.h b/drivers/clk/meson/gxbb.h index 42573b28a137..a8e7b8884e95 100644 --- a/drivers/clk/meson/gxbb.h +++ b/drivers/clk/meson/gxbb.h @@ -195,8 +195,11 @@ #define CLKID_VAPB_0_DIV 134 #define CLKID_VAPB_1_DIV 137 #define CLKID_HDMI_PLL_PRE_MULT 141 +#define CLKID_MPLL0_DIV 142 +#define CLKID_MPLL1_DIV 143 +#define CLKID_MPLL2_DIV 144 -#define NR_CLKS 142 +#define NR_CLKS 145 /* include the CLKIDs that have been made part of the DT binding */ #include <dt-bindings/clock/gxbb-clkc.h> diff --git a/drivers/clk/meson/meson8b.c b/drivers/clk/meson/meson8b.c index 4fd8253c54bb..625d953511be 100644 --- a/drivers/clk/meson/meson8b.c +++ b/drivers/clk/meson/meson8b.c @@ -289,7 +289,7 @@ static struct clk_fixed_factor meson8b_fclk_div7 = { }, }; -static struct clk_regmap meson8b_mpll0 = { +static struct clk_regmap meson8b_mpll0_div = { .data = &(struct meson_clk_mpll_data){ .sdm = { .reg_off = HHI_MPLL_CNTL7, @@ -306,11 +306,6 @@ static struct clk_regmap meson8b_mpll0 = { .shift = 16, .width = 9, }, - .en = { - .reg_off = HHI_MPLL_CNTL7, - .shift = 14, - .width = 1, - }, .ssen = { .reg_off = HHI_MPLL_CNTL, .shift = 25, @@ -319,14 +314,28 @@ static struct clk_regmap meson8b_mpll0 = { .lock = &meson_clk_lock, }, .hw.init = &(struct clk_init_data){ - .name = "mpll0", + .name = "mpll0_div", .ops = &meson_clk_mpll_ops, .parent_names = (const char *[]){ "fixed_pll" }, .num_parents = 1, }, }; -static struct clk_regmap meson8b_mpll1 = { +static struct clk_regmap meson8b_mpll0 = { + .data = &(struct clk_regmap_gate_data){ + .offset = HHI_MPLL_CNTL7, + .bit_idx = 14, + }, + .hw.init = &(struct clk_init_data){ + .name = "mpll0", + .ops = &clk_regmap_gate_ops, + .parent_names = (const char *[]){ "mpll0_div" }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + }, +}; + +static struct clk_regmap meson8b_mpll1_div = { .data = &(struct meson_clk_mpll_data){ .sdm = { .reg_off = HHI_MPLL_CNTL8, @@ -343,22 +352,31 @@ static struct clk_regmap meson8b_mpll1 = { .shift = 16, .width = 9, }, - .en = { - .reg_off = HHI_MPLL_CNTL8, - .shift = 14, - .width = 1, - }, .lock = &meson_clk_lock, }, .hw.init = &(struct clk_init_data){ - .name = "mpll1", + .name = "mpll1_div", .ops = &meson_clk_mpll_ops, .parent_names = (const char *[]){ "fixed_pll" }, .num_parents = 1, }, }; -static struct clk_regmap meson8b_mpll2 = { +static struct clk_regmap meson8b_mpll1 = { + .data = &(struct clk_regmap_gate_data){ + .offset = HHI_MPLL_CNTL8, + .bit_idx = 14, + }, + .hw.init = &(struct clk_init_data){ + .name = "mpll1", + .ops = &clk_regmap_gate_ops, + .parent_names = (const char *[]){ "mpll1_div" }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + }, +}; + +static struct clk_regmap meson8b_mpll2_div = { .data = &(struct meson_clk_mpll_data){ .sdm = { .reg_off = HHI_MPLL_CNTL9, @@ -375,21 +393,30 @@ static struct clk_regmap meson8b_mpll2 = { .shift = 16, .width = 9, }, - .en = { - .reg_off = HHI_MPLL_CNTL9, - .shift = 14, - .width = 1, - }, .lock = &meson_clk_lock, }, .hw.init = &(struct clk_init_data){ - .name = "mpll2", + .name = "mpll2_div", .ops = &meson_clk_mpll_ops, .parent_names = (const char *[]){ "fixed_pll" }, .num_parents = 1, }, }; +static struct clk_regmap meson8b_mpll2 = { + .data = &(struct clk_regmap_gate_data){ + .offset = HHI_MPLL_CNTL9, + .bit_idx = 14, + }, + .hw.init = &(struct clk_init_data){ + .name = "mpll2", + .ops = &clk_regmap_gate_ops, + .parent_names = (const char *[]){ "mpll2_div" }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + }, +}; + /* * FIXME cpu clocks and the legacy composite clocks (e.g. clk81) are both PLL * post-dividers and should be modeled with their respective PLLs via the @@ -640,6 +667,9 @@ static struct clk_hw_onecell_data meson8b_hw_onecell_data = { [CLKID_MPLL0] = &meson8b_mpll0.hw, [CLKID_MPLL1] = &meson8b_mpll1.hw, [CLKID_MPLL2] = &meson8b_mpll2.hw, + [CLKID_MPLL0_DIV] = &meson8b_mpll0_div.hw, + [CLKID_MPLL1_DIV] = &meson8b_mpll1_div.hw, + [CLKID_MPLL2_DIV] = &meson8b_mpll2_div.hw, [CLK_NR_CLKS] = NULL, }, .num = CLK_NR_CLKS, @@ -729,6 +759,9 @@ static struct clk_regmap *const meson8b_clk_regmaps[] = { &meson8b_mpll0, &meson8b_mpll1, &meson8b_mpll2, + &meson8b_mpll0_div, + &meson8b_mpll1_div, + &meson8b_mpll2_div, &meson8b_fixed_pll, &meson8b_vid_pll, &meson8b_sys_pll, diff --git a/drivers/clk/meson/meson8b.h b/drivers/clk/meson/meson8b.h index 2eaf8a52e7dd..f2780508edec 100644 --- a/drivers/clk/meson/meson8b.h +++ b/drivers/clk/meson/meson8b.h @@ -69,7 +69,11 @@ * will remain defined here. */ -#define CLK_NR_CLKS 96 +#define CLKID_MPLL0_DIV 96 +#define CLKID_MPLL1_DIV 97 +#define CLKID_MPLL2_DIV 98 + +#define CLK_NR_CLKS 99 /* * include the CLKID and RESETID that have

[16/19] clk: meson: split divider and gate part of mpll

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