diff options
Diffstat (limited to 'drivers/clk/sunxi-ng/ccu-sun8i-r.c')
| -rw-r--r-- | drivers/clk/sunxi-ng/ccu-sun8i-r.c | 104 |
1 files changed, 49 insertions, 55 deletions
diff --git a/drivers/clk/sunxi-ng/ccu-sun8i-r.c b/drivers/clk/sunxi-ng/ccu-sun8i-r.c index b5be11e5de0d..4646fdc61053 100644 --- a/drivers/clk/sunxi-ng/ccu-sun8i-r.c +++ b/drivers/clk/sunxi-ng/ccu-sun8i-r.c @@ -17,10 +17,13 @@ #include "ccu-sun8i-r.h" -static const char * const ar100_parents[] = { "osc32k", "osc24M", - "pll-periph0", "iosc" }; -static const char * const a83t_ar100_parents[] = { "osc16M-d512", "osc24M", - "pll-periph0", "iosc" }; +static const struct clk_parent_data ar100_parents[] = { + { .fw_name = "losc" }, + { .fw_name = "hosc" }, + { .fw_name = "pll-periph" }, + { .fw_name = "iosc" }, +}; + static const struct ccu_mux_var_prediv ar100_predivs[] = { { .index = 2, .shift = 8, .width = 5 }, }; @@ -39,64 +42,49 @@ static struct ccu_div ar100_clk = { .common = { .reg = 0x00, .features = CCU_FEATURE_VARIABLE_PREDIV, - .hw.init = CLK_HW_INIT_PARENTS("ar100", - ar100_parents, - &ccu_div_ops, - 0), - }, -}; - -static struct ccu_div a83t_ar100_clk = { - .div = _SUNXI_CCU_DIV_FLAGS(4, 2, CLK_DIVIDER_POWER_OF_TWO), - - .mux = { - .shift = 16, - .width = 2, - - .var_predivs = ar100_predivs, - .n_var_predivs = ARRAY_SIZE(ar100_predivs), - }, - - .common = { - .reg = 0x00, - .features = CCU_FEATURE_VARIABLE_PREDIV, - .hw.init = CLK_HW_INIT_PARENTS("ar100", - a83t_ar100_parents, - &ccu_div_ops, - 0), + .hw.init = CLK_HW_INIT_PARENTS_DATA("ar100", + ar100_parents, + &ccu_div_ops, + 0), }, }; -static CLK_FIXED_FACTOR(ahb0_clk, "ahb0", "ar100", 1, 1, 0); +static CLK_FIXED_FACTOR_HW(ahb0_clk, "ahb0", &ar100_clk.common.hw, 1, 1, 0); static struct ccu_div apb0_clk = { .div = _SUNXI_CCU_DIV_FLAGS(0, 2, CLK_DIVIDER_POWER_OF_TWO), .common = { .reg = 0x0c, - .hw.init = CLK_HW_INIT("apb0", - "ahb0", - &ccu_div_ops, - 0), + .hw.init = CLK_HW_INIT_HW("apb0", + &ahb0_clk.hw, + &ccu_div_ops, + 0), }, }; static SUNXI_CCU_M(a83t_apb0_clk, "apb0", "ahb0", 0x0c, 0, 2, 0); -static SUNXI_CCU_GATE(apb0_pio_clk, "apb0-pio", "apb0", - 0x28, BIT(0), 0); -static SUNXI_CCU_GATE(apb0_ir_clk, "apb0-ir", "apb0", - 0x28, BIT(1), 0); -static SUNXI_CCU_GATE(apb0_timer_clk, "apb0-timer", "apb0", - 0x28, BIT(2), 0); -static SUNXI_CCU_GATE(apb0_rsb_clk, "apb0-rsb", "apb0", - 0x28, BIT(3), 0); -static SUNXI_CCU_GATE(apb0_uart_clk, "apb0-uart", "apb0", - 0x28, BIT(4), 0); -static SUNXI_CCU_GATE(apb0_i2c_clk, "apb0-i2c", "apb0", - 0x28, BIT(6), 0); -static SUNXI_CCU_GATE(apb0_twd_clk, "apb0-twd", "apb0", - 0x28, BIT(7), 0); +/* + * Define the parent as an array that can be reused to save space + * instead of having compound literals for each gate. Also have it + * non-const so we can change it on the A83T. + */ +static const struct clk_hw *apb0_gate_parent[] = { &apb0_clk.common.hw }; +static SUNXI_CCU_GATE_HWS(apb0_pio_clk, "apb0-pio", + apb0_gate_parent, 0x28, BIT(0), 0); +static SUNXI_CCU_GATE_HWS(apb0_ir_clk, "apb0-ir", + apb0_gate_parent, 0x28, BIT(1), 0); +static SUNXI_CCU_GATE_HWS(apb0_timer_clk, "apb0-timer", + apb0_gate_parent, 0x28, BIT(2), 0); +static SUNXI_CCU_GATE_HWS(apb0_rsb_clk, "apb0-rsb", + apb0_gate_parent, 0x28, BIT(3), 0); +static SUNXI_CCU_GATE_HWS(apb0_uart_clk, "apb0-uart", + apb0_gate_parent, 0x28, BIT(4), 0); +static SUNXI_CCU_GATE_HWS(apb0_i2c_clk, "apb0-i2c", + apb0_gate_parent, 0x28, BIT(6), 0); +static SUNXI_CCU_GATE_HWS(apb0_twd_clk, "apb0-twd", + apb0_gate_parent, 0x28, BIT(7), 0); static const char * const r_mod0_default_parents[] = { "osc32k", "osc24M" }; static SUNXI_CCU_MP_WITH_MUX_GATE(ir_clk, "ir", @@ -107,7 +95,10 @@ static SUNXI_CCU_MP_WITH_MUX_GATE(ir_clk, "ir", BIT(31), /* gate */ 0); -static const char *const a83t_r_mod0_parents[] = { "osc16M", "osc24M" }; +static const struct clk_parent_data a83t_r_mod0_parents[] = { + { .fw_name = "iosc" }, + { .fw_name = "hosc" }, +}; static const struct ccu_mux_fixed_prediv a83t_ir_predivs[] = { { .index = 0, .div = 16 }, }; @@ -127,15 +118,15 @@ static struct ccu_mp a83t_ir_clk = { .common = { .reg = 0x54, .features = CCU_FEATURE_VARIABLE_PREDIV, - .hw.init = CLK_HW_INIT_PARENTS("ir", - a83t_r_mod0_parents, - &ccu_mp_ops, - 0), + .hw.init = CLK_HW_INIT_PARENTS_DATA("ir", + a83t_r_mod0_parents, + &ccu_mp_ops, + 0), }, }; static struct ccu_common *sun8i_a83t_r_ccu_clks[] = { - &a83t_ar100_clk.common, + &ar100_clk.common, &a83t_apb0_clk.common, &apb0_pio_clk.common, &apb0_ir_clk.common, @@ -174,7 +165,7 @@ static struct ccu_common *sun50i_a64_r_ccu_clks[] = { static struct clk_hw_onecell_data sun8i_a83t_r_hw_clks = { .hws = { - [CLK_AR100] = &a83t_ar100_clk.common.hw, + [CLK_AR100] = &ar100_clk.common.hw, [CLK_AHB0] = &ahb0_clk.hw, [CLK_APB0] = &a83t_apb0_clk.common.hw, [CLK_APB0_PIO] = &apb0_pio_clk.common.hw, @@ -291,6 +282,9 @@ static void __init sunxi_r_ccu_init(struct device_node *node, static void __init sun8i_a83t_r_ccu_setup(struct device_node *node) { + /* Fix apb0 bus gate parents here */ + apb0_gate_parent[0] = &a83t_apb0_clk.common.hw; + sunxi_r_ccu_init(node, &sun8i_a83t_r_ccu_desc); } CLK_OF_DECLARE(sun8i_a83t_r_ccu, "allwinner,sun8i-a83t-r-ccu", |