diff options
Diffstat (limited to 'drivers/clk/samsung/clk-exynos5440.c')
| -rw-r--r-- | drivers/clk/samsung/clk-exynos5440.c | 138 |
1 files changed, 0 insertions, 138 deletions
diff --git a/drivers/clk/samsung/clk-exynos5440.c b/drivers/clk/samsung/clk-exynos5440.c deleted file mode 100644 index 7d5434167a96..000000000000 --- a/drivers/clk/samsung/clk-exynos5440.c +++ /dev/null @@ -1,138 +0,0 @@ -/* - * Copyright (c) 2013 Samsung Electronics Co., Ltd. - * Author: Thomas Abraham <thomas.ab@samsung.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * Common Clock Framework support for Exynos5440 SoC. -*/ - -#include <linux/clk.h> -#include <linux/clkdev.h> -#include <linux/clk-provider.h> -#include <linux/of.h> -#include <linux/of_address.h> - -#include "clk.h" -#include "clk-pll.h" - -#define CLKEN_OV_VAL 0xf8 -#define CPU_CLK_STATUS 0xfc -#define MISC_DOUT1 0x558 - -/* - * Let each supported clock get a unique id. This id is used to lookup the clock - * for device tree based platforms. - */ -enum exynos5440_clks { - none, xtal, arm_clk, - - spi_baud = 16, pb0_250, pr0_250, pr1_250, b_250, b_125, b_200, sata, - usb, gmac0, cs250, pb0_250_o, pr0_250_o, pr1_250_o, b_250_o, b_125_o, - b_200_o, sata_o, usb_o, gmac0_o, cs250_o, - - nr_clks, -}; - -/* parent clock name list */ -PNAME(mout_armclk_p) = { "cplla", "cpllb" }; -PNAME(mout_spi_p) = { "div125", "div200" }; - -/* fixed rate clocks generated outside the soc */ -struct samsung_fixed_rate_clock exynos5440_fixed_rate_ext_clks[] __initdata = { - FRATE(none, "xtal", NULL, CLK_IS_ROOT, 0), -}; - -/* fixed rate clocks */ -struct samsung_fixed_rate_clock exynos5440_fixed_rate_clks[] __initdata = { - FRATE(none, "ppll", NULL, CLK_IS_ROOT, 1000000000), - FRATE(none, "usb_phy0", NULL, CLK_IS_ROOT, 60000000), - FRATE(none, "usb_phy1", NULL, CLK_IS_ROOT, 60000000), - FRATE(none, "usb_ohci12", NULL, CLK_IS_ROOT, 12000000), - FRATE(none, "usb_ohci48", NULL, CLK_IS_ROOT, 48000000), -}; - -/* fixed factor clocks */ -struct samsung_fixed_factor_clock exynos5440_fixed_factor_clks[] __initdata = { - FFACTOR(none, "div250", "ppll", 1, 4, 0), - FFACTOR(none, "div200", "ppll", 1, 5, 0), - FFACTOR(none, "div125", "div250", 1, 2, 0), -}; - -/* mux clocks */ -struct samsung_mux_clock exynos5440_mux_clks[] __initdata = { - MUX(none, "mout_spi", mout_spi_p, MISC_DOUT1, 5, 1), - MUX_A(arm_clk, "arm_clk", mout_armclk_p, - CPU_CLK_STATUS, 0, 1, "armclk"), -}; - -/* divider clocks */ -struct samsung_div_clock exynos5440_div_clks[] __initdata = { - DIV(spi_baud, "div_spi", "mout_spi", MISC_DOUT1, 3, 2), -}; - -/* gate clocks */ -struct samsung_gate_clock exynos5440_gate_clks[] __initdata = { - GATE(pb0_250, "pb0_250", "div250", CLKEN_OV_VAL, 3, 0, 0), - GATE(pr0_250, "pr0_250", "div250", CLKEN_OV_VAL, 4, 0, 0), - GATE(pr1_250, "pr1_250", "div250", CLKEN_OV_VAL, 5, 0, 0), - GATE(b_250, "b_250", "div250", CLKEN_OV_VAL, 9, 0, 0), - GATE(b_125, "b_125", "div125", CLKEN_OV_VAL, 10, 0, 0), - GATE(b_200, "b_200", "div200", CLKEN_OV_VAL, 11, 0, 0), - GATE(sata, "sata", "div200", CLKEN_OV_VAL, 12, 0, 0), - GATE(usb, "usb", "div200", CLKEN_OV_VAL, 13, 0, 0), - GATE(gmac0, "gmac0", "div200", CLKEN_OV_VAL, 14, 0, 0), - GATE(cs250, "cs250", "div250", CLKEN_OV_VAL, 19, 0, 0), - GATE(pb0_250_o, "pb0_250_o", "pb0_250", CLKEN_OV_VAL, 3, 0, 0), - GATE(pr0_250_o, "pr0_250_o", "pr0_250", CLKEN_OV_VAL, 4, 0, 0), - GATE(pr1_250_o, "pr1_250_o", "pr1_250", CLKEN_OV_VAL, 5, 0, 0), - GATE(b_250_o, "b_250_o", "b_250", CLKEN_OV_VAL, 9, 0, 0), - GATE(b_125_o, "b_125_o", "b_125", CLKEN_OV_VAL, 10, 0, 0), - GATE(b_200_o, "b_200_o", "b_200", CLKEN_OV_VAL, 11, 0, 0), - GATE(sata_o, "sata_o", "sata", CLKEN_OV_VAL, 12, 0, 0), - GATE(usb_o, "usb_o", "usb", CLKEN_OV_VAL, 13, 0, 0), - GATE(gmac0_o, "gmac0_o", "gmac", CLKEN_OV_VAL, 14, 0, 0), - GATE(cs250_o, "cs250_o", "cs250", CLKEN_OV_VAL, 19, 0, 0), -}; - -static __initdata struct of_device_id ext_clk_match[] = { - { .compatible = "samsung,clock-xtal", .data = (void *)0, }, - {}, -}; - -/* register exynos5440 clocks */ -void __init exynos5440_clk_init(struct device_node *np) -{ - void __iomem *reg_base; - - reg_base = of_iomap(np, 0); - if (!reg_base) { - pr_err("%s: failed to map clock controller registers," - " aborting clock initialization\n", __func__); - return; - } - - samsung_clk_init(np, reg_base, nr_clks, NULL, 0, NULL, 0); - samsung_clk_of_register_fixed_ext(exynos5440_fixed_rate_ext_clks, - ARRAY_SIZE(exynos5440_fixed_rate_ext_clks), ext_clk_match); - - samsung_clk_register_pll2550x("cplla", "xtal", reg_base + 0x1c, 0x10); - samsung_clk_register_pll2550x("cpllb", "xtal", reg_base + 0x20, 0x10); - - samsung_clk_register_fixed_rate(exynos5440_fixed_rate_clks, - ARRAY_SIZE(exynos5440_fixed_rate_clks)); - samsung_clk_register_fixed_factor(exynos5440_fixed_factor_clks, - ARRAY_SIZE(exynos5440_fixed_factor_clks)); - samsung_clk_register_mux(exynos5440_mux_clks, - ARRAY_SIZE(exynos5440_mux_clks)); - samsung_clk_register_div(exynos5440_div_clks, - ARRAY_SIZE(exynos5440_div_clks)); - samsung_clk_register_gate(exynos5440_gate_clks, - ARRAY_SIZE(exynos5440_gate_clks)); - - pr_info("Exynos5440: arm_clk = %ldHz\n", _get_rate("armclk")); - pr_info("exynos5440 clock initialization complete\n"); -} -CLK_OF_DECLARE(exynos5440_clk, "samsung,exynos5440-clock", exynos5440_clk_init); |