1 // SPDX-License-Identifier: GPL-2.0-only
6 #include <linux/clk-provider.h>
19 	struct tegra_clk_periph_fixed *fixed = to_tegra_clk_periph_fixed(hw);  in tegra_clk_periph_fixed_is_enabled()  local
20 	u32 mask = 1 << (fixed->num % 32), value;  in tegra_clk_periph_fixed_is_enabled()
22 	value = readl(fixed->base + fixed->regs->enb_reg);  in tegra_clk_periph_fixed_is_enabled()
24 		value = readl(fixed->base + fixed->regs->rst_reg);  in tegra_clk_periph_fixed_is_enabled()
34 	struct tegra_clk_periph_fixed *fixed = to_tegra_clk_periph_fixed(hw);  in tegra_clk_periph_fixed_enable()  local
35 	u32 mask = 1 << (fixed->num % 32);  in tegra_clk_periph_fixed_enable()
37 	writel(mask, fixed->base + fixed->regs->enb_set_reg);  in tegra_clk_periph_fixed_enable()
44 	struct tegra_clk_periph_fixed *fixed = to_tegra_clk_periph_fixed(hw);  in tegra_clk_periph_fixed_disable()  local
45 	u32 mask = 1 << (fixed->num % 32);  in tegra_clk_periph_fixed_disable()
47 	writel(mask, fixed->base + fixed->regs->enb_clr_reg);  in tegra_clk_periph_fixed_disable()
54 	struct tegra_clk_periph_fixed *fixed = to_tegra_clk_periph_fixed(hw);  in tegra_clk_periph_fixed_recalc_rate()  local
55 	unsigned long long rate;  in tegra_clk_periph_fixed_recalc_rate()  local
57 	rate = (unsigned long long)parent_rate * fixed->mul;  in tegra_clk_periph_fixed_recalc_rate()
58 	do_div(rate, fixed->div);  in tegra_clk_periph_fixed_recalc_rate()
60 	return (unsigned long)rate;  in tegra_clk_periph_fixed_recalc_rate()
79 	struct tegra_clk_periph_fixed *fixed;  in tegra_clk_register_periph_fixed()  local
85 		return ERR_PTR(-EINVAL);  in tegra_clk_register_periph_fixed()
87 	fixed = kzalloc(sizeof(*fixed), GFP_KERNEL);  in tegra_clk_register_periph_fixed()
88 	if (!fixed)  in tegra_clk_register_periph_fixed()
89 		return ERR_PTR(-ENOMEM);  in tegra_clk_register_periph_fixed()
97 	fixed->base = base;  in tegra_clk_register_periph_fixed()
98 	fixed->regs = regs;  in tegra_clk_register_periph_fixed()
99 	fixed->mul = mul;  in tegra_clk_register_periph_fixed()
100 	fixed->div = div;  in tegra_clk_register_periph_fixed()
101 	fixed->num = num;  in tegra_clk_register_periph_fixed()
103 	fixed->hw.init = &init;  in tegra_clk_register_periph_fixed()
105 	clk = clk_register(NULL, &fixed->hw);  in tegra_clk_register_periph_fixed()
107 		kfree(fixed);  in tegra_clk_register_periph_fixed()