diff options
author | Michael Turquette <mturquette@baylibre.com> | 2016-04-28 22:01:42 +0300 |
---|---|---|
committer | Michael Turquette <mturquette@baylibre.com> | 2016-06-23 04:02:28 +0300 |
commit | ec623f2a43ebe482abc925f8785f462c0fe3c08a (patch) | |
tree | ad3b7e1ea8077e360ab312e35a4a15d2748652f7 /drivers/clk/meson/meson8b-clkc.c | |
parent | e92f7cca446ec503251b58ad9a8b5592a2d927de (diff) | |
download | linux-ec623f2a43ebe482abc925f8785f462c0fe3c08a.tar.xz |
clk: meson8b: clean up pll clocks
Remove the pll registration function and helpers. Replace unnecessary
configuration struct with static initialization of the desired clock
type.
Tested-by: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Michael Turquette <mturquette@baylibre.com>
Diffstat (limited to 'drivers/clk/meson/meson8b-clkc.c')
-rw-r--r-- | drivers/clk/meson/meson8b-clkc.c | 115 |
1 files changed, 94 insertions, 21 deletions
diff --git a/drivers/clk/meson/meson8b-clkc.c b/drivers/clk/meson/meson8b-clkc.c index 9afd4808b9c1..a3d8e6618043 100644 --- a/drivers/clk/meson/meson8b-clkc.c +++ b/drivers/clk/meson/meson8b-clkc.c @@ -110,7 +110,6 @@ static const struct clk_div_table cpu_div_table[] = { { /* sentinel */ }, }; -PNAME(p_xtal) = { "xtal" }; PNAME(p_fclk_div) = { "fixed_pll" }; PNAME(p_cpu_clk) = { "sys_pll" }; PNAME(p_clk81) = { "fclk_div3", "fclk_div4", "fclk_div5" }; @@ -120,19 +119,6 @@ PNAME(p_mali) = { "fclk_div3", "fclk_div4", "fclk_div5", static u32 mux_table_clk81[] = { 6, 5, 7 }; static u32 mux_table_mali[] = { 6, 5, 7, 4, 0 }; -static struct pll_conf pll_confs = { - .m = PARM(0x00, 0, 9), - .n = PARM(0x00, 9, 5), - .od = PARM(0x00, 16, 2), -}; - -static struct pll_conf sys_pll_conf = { - .m = PARM(0x00, 0, 9), - .n = PARM(0x00, 9, 5), - .od = PARM(0x00, 16, 2), - .rate_table = sys_pll_rate_table, -}; - static const struct composite_conf clk81_conf __initconst = { .mux_table = mux_table_clk81, .mux_flags = CLK_MUX_READ_ONLY, @@ -166,13 +152,87 @@ static struct clk_fixed_rate meson8b_zero = { }, }; +static struct meson_clk_pll meson8b_fixed_pll = { + .m = { + .reg_off = MESON8B_REG_PLL_FIXED, + .shift = 0, + .width = 9, + }, + .n = { + .reg_off = MESON8B_REG_PLL_FIXED, + .shift = 9, + .width = 5, + }, + .od = { + .reg_off = MESON8B_REG_PLL_FIXED, + .shift = 16, + .width = 2, + }, + .lock = &clk_lock, + .hw.init = &(struct clk_init_data){ + .name = "fixed_pll", + .ops = &meson_clk_pll_ro_ops, + .parent_names = (const char *[]){ "xtal" }, + .num_parents = 1, + .flags = CLK_GET_RATE_NOCACHE, + }, +}; + +static struct meson_clk_pll meson8b_vid_pll = { + .m = { + .reg_off = MESON8B_REG_PLL_VID, + .shift = 0, + .width = 9, + }, + .n = { + .reg_off = MESON8B_REG_PLL_VID, + .shift = 9, + .width = 5, + }, + .od = { + .reg_off = MESON8B_REG_PLL_VID, + .shift = 16, + .width = 2, + }, + .lock = &clk_lock, + .hw.init = &(struct clk_init_data){ + .name = "vid_pll", + .ops = &meson_clk_pll_ro_ops, + .parent_names = (const char *[]){ "xtal" }, + .num_parents = 1, + .flags = CLK_GET_RATE_NOCACHE, + }, +}; + +static struct meson_clk_pll meson8b_sys_pll = { + .m = { + .reg_off = MESON8B_REG_PLL_SYS, + .shift = 0, + .width = 9, + }, + .n = { + .reg_off = MESON8B_REG_PLL_SYS, + .shift = 9, + .width = 5, + }, + .od = { + .reg_off = MESON8B_REG_PLL_SYS, + .shift = 16, + .width = 2, + }, + .rate_table = sys_pll_rate_table, + .rate_count = ARRAY_SIZE(sys_pll_rate_table), + .lock = &clk_lock, + .hw.init = &(struct clk_init_data){ + .name = "sys_pll", + .ops = &meson_clk_pll_ops, + .parent_names = (const char *[]){ "xtal" }, + .num_parents = 1, + .flags = CLK_GET_RATE_NOCACHE, + }, +}; + static const struct clk_conf meson8b_clk_confs[] __initconst = { - PLL(MESON8B_REG_PLL_FIXED, CLKID_PLL_FIXED, "fixed_pll", - p_xtal, 0, &pll_confs), - PLL(MESON8B_REG_PLL_VID, CLKID_PLL_VID, "vid_pll", - p_xtal, 0, &pll_confs), - PLL(MESON8B_REG_PLL_SYS, CLKID_PLL_SYS, "sys_pll", - p_xtal, 0, &sys_pll_conf), FIXED_FACTOR_DIV(CLKID_FCLK_DIV2, "fclk_div2", p_fclk_div, 0, 2), FIXED_FACTOR_DIV(CLKID_FCLK_DIV3, "fclk_div3", p_fclk_div, 0, 3), FIXED_FACTOR_DIV(CLKID_FCLK_DIV4, "fclk_div4", p_fclk_div, 0, 4), @@ -197,14 +257,23 @@ static struct clk_hw_onecell_data meson8b_hw_onecell_data = { .hws = { [CLKID_XTAL] = &meson8b_xtal.hw, [CLKID_ZERO] = &meson8b_zero.hw, + [CLKID_PLL_FIXED] = &meson8b_fixed_pll.hw, + [CLKID_PLL_VID] = &meson8b_vid_pll.hw, + [CLKID_PLL_SYS] = &meson8b_sys_pll.hw, }, .num = CLK_NR_CLKS, }; +static struct meson_clk_pll *const meson8b_clk_plls[] = { + &meson8b_fixed_pll, + &meson8b_vid_pll, + &meson8b_sys_pll, +}; + static void __init meson8b_clkc_init(struct device_node *np) { void __iomem *clk_base; - int ret, clkid; + int ret, clkid, i; if (!meson_clk_init(np, CLK_NR_CLKS)) return; @@ -216,6 +285,10 @@ static void __init meson8b_clkc_init(struct device_node *np) return; } + /* Populate base address for PLLs */ + for (i = 0; i < ARRAY_SIZE(meson8b_clk_plls); i++) + meson8b_clk_plls[i]->base = clk_base; + /* * register all clks * CLKID_UNUSED = 0, so skip it and start with CLKID_XTAL = 1 |