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Merge branch 'clk-bcm2835' into clk-next

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* clk-bcm2835:
  clk: bcm2835: Add support for programming the audio domain clocks
  clk: bcm2835: Add binding docs for the new platform clock driver.
  clk: bcm2835: Move under bcm/ with other Broadcom SoC clk drivers.
This commit is contained in:
Stephen Boyd 2015-10-12 11:44:49 -07:00
commit 67d7188afe
6 changed files with 1668 additions and 56 deletions
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1
drivers/clk/Makefile
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@ -19,7 +19,6 @@ endif
obj-$(CONFIG_MACH_ASM9260) += clk-asm9260.o
obj-$(CONFIG_COMMON_CLK_AXI_CLKGEN) += clk-axi-clkgen.o
obj-$(CONFIG_ARCH_AXXIA) += clk-axm5516.o
obj-$(CONFIG_ARCH_BCM2835) += clk-bcm2835.o
obj-$(CONFIG_COMMON_CLK_CDCE706) += clk-cdce706.o
obj-$(CONFIG_ARCH_CLPS711X) += clk-clps711x.o
obj-$(CONFIG_ARCH_EFM32) += clk-efm32gg.o

1
drivers/clk/bcm/Makefile
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@ -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

1575
drivers/clk/bcm/clk-bcm2835.c Normal file
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55
drivers/clk/clk-bcm2835.c
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@ -1,55 +0,0 @@
/*
* 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");
}