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/slab.h> 15 16 #include <dt-bindings/clock/hip04-clock.h> 17 18 #include "clk.h" 19 20 /* fixed rate clocks */ 21 static struct hisi_fixed_rate_clock hip04_fixed_rate_clks[] __initdata = { 22 { HIP04_OSC50M, "osc50m", NULL, 0, 50000000, }, 23 { HIP04_CLK_50M, "clk50m", NULL, 0, 50000000, }, 24 { HIP04_CLK_168M, "clk168m", NULL, 0, 168750000, }, 25 }; 26 27 static void __init hip04_clk_init(struct device_node *np) 28 { 29 struct hisi_clock_data *clk_data; 30 31 clk_data = hisi_clk_init(np, HIP04_NR_CLKS); 32 if (!clk_data) 33 return; 34 35 hisi_clk_register_fixed_rate(hip04_fixed_rate_clks, 36 ARRAY_SIZE(hip04_fixed_rate_clks), 37 clk_data); 38 } 39 CLK_OF_DECLARE(hip04_clk, "hisilicon,hip04-clock", hip04_clk_init); 40