1 // SPDX-License-Identifier: GPL-2.0-or-later 2 /* 3 * Hisilicon HiP04 clock driver 4 * 5 * Copyright (c) 2013-2014 Hisilicon Limited. 6 * Copyright (c) 2013-2014 Linaro Limited. 7 * 8 * Author: Haojian Zhuang <haojian.zhuang@linaro.org> 9 */ 10 11 #include <linux/kernel.h> 12 #include <linux/clk-provider.h> 13 #include <linux/io.h> 14 #include <linux/of.h> 15 #include <linux/of_address.h> 16 #include <linux/of_device.h> 17 #include <linux/slab.h> 18 19 #include <dt-bindings/clock/hip04-clock.h> 20 21 #include "clk.h" 22 23 /* fixed rate clocks */ 24 static struct hisi_fixed_rate_clock hip04_fixed_rate_clks[] __initdata = { 25 { HIP04_OSC50M, "osc50m", NULL, 0, 50000000, }, 26 { HIP04_CLK_50M, "clk50m", NULL, 0, 50000000, }, 27 { HIP04_CLK_168M, "clk168m", NULL, 0, 168750000, }, 28 }; 29 30 static void __init hip04_clk_init(struct device_node *np) 31 { 32 struct hisi_clock_data *clk_data; 33 34 clk_data = hisi_clk_init(np, HIP04_NR_CLKS); 35 if (!clk_data) 36 return; 37 38 hisi_clk_register_fixed_rate(hip04_fixed_rate_clks, 39 ARRAY_SIZE(hip04_fixed_rate_clks), 40 clk_data); 41 } 42 CLK_OF_DECLARE(hip04_clk, "hisilicon,hip04-clock", hip04_clk_init); 43