Magnus Damm | 0468b2d | 2013-03-28 00:49:34 +0900 | [diff] [blame^] | 1 | /* |
| 2 | * r8a7790 clock framework support |
| 3 | * |
| 4 | * Copyright (C) 2013 Renesas Solutions Corp. |
| 5 | * Copyright (C) 2013 Magnus Damm |
| 6 | * |
| 7 | * This program is free software; you can redistribute it and/or modify |
| 8 | * it under the terms of the GNU General Public License as published by |
| 9 | * the Free Software Foundation; version 2 of the License. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * GNU General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU General Public License |
| 17 | * along with this program; if not, write to the Free Software |
| 18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| 19 | */ |
| 20 | #include <linux/init.h> |
| 21 | #include <linux/io.h> |
| 22 | #include <linux/kernel.h> |
| 23 | #include <linux/sh_clk.h> |
| 24 | #include <linux/clkdev.h> |
| 25 | #include <mach/common.h> |
| 26 | |
| 27 | #define CPG_BASE 0xe6150000 |
| 28 | #define CPG_LEN 0x1000 |
| 29 | |
| 30 | static struct clk_mapping cpg_mapping = { |
| 31 | .phys = CPG_BASE, |
| 32 | .len = CPG_LEN, |
| 33 | }; |
| 34 | |
| 35 | static struct clk *main_clks[] = { |
| 36 | }; |
| 37 | |
| 38 | enum { MSTP_NR }; |
| 39 | static struct clk mstp_clks[MSTP_NR] = { |
| 40 | }; |
| 41 | |
| 42 | static struct clk_lookup lookups[] = { |
| 43 | }; |
| 44 | |
| 45 | void __init r8a7790_clock_init(void) |
| 46 | { |
| 47 | int k, ret = 0; |
| 48 | |
| 49 | for (k = 0; !ret && (k < ARRAY_SIZE(main_clks)); k++) |
| 50 | ret = clk_register(main_clks[k]); |
| 51 | |
| 52 | if (!ret) |
| 53 | ret = sh_clk_mstp_register(mstp_clks, MSTP_NR); |
| 54 | |
| 55 | clkdev_add_table(lookups, ARRAY_SIZE(lookups)); |
| 56 | |
| 57 | if (!ret) |
| 58 | shmobile_clk_init(); |
| 59 | else |
| 60 | panic("failed to setup r8a7790 clocks\n"); |
| 61 | } |