diff options
| author | Eric Anholt <eric@anholt.net> | 2015-09-29 00:22:02 +0300 |
|---|---|---|
| committer | Stephen Boyd <sboyd@codeaurora.org> | 2015-10-02 03:12:03 +0300 |
| commit | 4f61d8e220c110de90a02736ceb55e1e398d6be7 (patch) | |
| tree | 28f6bc202294b63ba65926cf15532c0a2f5b0619 /drivers/clk/bcm | |
| parent | 6ff33f3902c3b1c5d0db6b1e2c70b6d76fba357f (diff) | |
| download | linux-4f61d8e220c110de90a02736ceb55e1e398d6be7.tar.xz | |
clk: bcm2835: Move under bcm/ with other Broadcom SoC clk drivers.
clk-bcm2835.c predates the drivers under bcm/, but all the new BCM
drivers are going in there so let's follow them.
Signed-off-by: Eric Anholt <eric@anholt.net>
Acked-by: Stephen Warren <swarren@wwwdotorg.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Diffstat (limited to 'drivers/clk/bcm')
| -rw-r--r-- | drivers/clk/bcm/Makefile | 1 | ||||
| -rw-r--r-- | drivers/clk/bcm/clk-bcm2835.c | 55 |
2 files changed, 56 insertions, 0 deletions
diff --git a/drivers/clk/bcm/Makefile b/drivers/clk/bcm/Makefile index 8a7a477862c7..ee2349bbe1f1 100644 --- a/drivers/clk/bcm/Makefile +++ b/drivers/clk/bcm/Makefile @@ -3,4 +3,5 @@ obj-$(CONFIG_CLK_BCM_KONA) += clk-kona-setup.o obj-$(CONFIG_CLK_BCM_KONA) += clk-bcm281xx.o obj-$(CONFIG_CLK_BCM_KONA) += clk-bcm21664.o obj-$(CONFIG_COMMON_CLK_IPROC) += clk-iproc-armpll.o clk-iproc-pll.o clk-iproc-asiu.o +obj-$(CONFIG_ARCH_BCM2835) += clk-bcm2835.o obj-$(CONFIG_ARCH_BCM_CYGNUS) += clk-cygnus.o diff --git a/drivers/clk/bcm/clk-bcm2835.c b/drivers/clk/bcm/clk-bcm2835.c new file mode 100644 index 000000000000..dd295e498309 --- /dev/null +++ b/drivers/clk/bcm/clk-bcm2835.c @@ -0,0 +1,55 @@ +/* + * Copyright (C) 2010 Broadcom + * Copyright (C) 2012 Stephen Warren + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include <linux/clk-provider.h> +#include <linux/clkdev.h> +#include <linux/clk/bcm2835.h> +#include <linux/of.h> + +/* + * These are fixed clocks. They're probably not all root clocks and it may + * be possible to turn them on and off but until this is mapped out better + * it's the only way they can be used. + */ +void __init bcm2835_init_clocks(void) +{ + struct clk *clk; + int ret; + + clk = clk_register_fixed_rate(NULL, "apb_pclk", NULL, CLK_IS_ROOT, + 126000000); + if (IS_ERR(clk)) + pr_err("apb_pclk not registered\n"); + + clk = clk_register_fixed_rate(NULL, "uart0_pclk", NULL, CLK_IS_ROOT, + 3000000); + if (IS_ERR(clk)) + pr_err("uart0_pclk not registered\n"); + ret = clk_register_clkdev(clk, NULL, "20201000.uart"); + if (ret) + pr_err("uart0_pclk alias not registered\n"); + + clk = clk_register_fixed_rate(NULL, "uart1_pclk", NULL, CLK_IS_ROOT, + 125000000); + if (IS_ERR(clk)) + pr_err("uart1_pclk not registered\n"); + ret = clk_register_clkdev(clk, NULL, "20215000.uart"); + if (ret) + pr_err("uart1_pclk alias not registered\n"); +} |