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authorManuel Lauss <manuel.lauss@gmail.com>2014-07-23 16:36:52 +0200
committerRalf Baechle <ralf@linux-mips.org>2014-07-30 14:10:00 +0200
commit415e0fec7a388dbe224057c1134737e23710aa9b (patch)
tree64ba643ffd45da5c4503ce32d553060c52e51f39 /arch/mips/alchemy/devboards/db1550.c
parent8e21170581d99038c41c803af289e1a6491cb145 (diff)
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MIPS: Alchemy: db1x00: use clk framework
Make use of the clk framework to set up and enable all PSC clocks. Signed-off-by: Manuel Lauss <manuel.lauss@gmail.com> Cc: Linux-MIPS <linux-mips@linux-mips.org> Patchwork: https://patchwork.linux-mips.org/patch/7469/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/alchemy/devboards/db1550.c')
-rw-r--r--arch/mips/alchemy/devboards/db1550.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/mips/alchemy/devboards/db1550.c b/arch/mips/alchemy/devboards/db1550.c
index d1320665e7e3..7e89936f763e 100644
--- a/arch/mips/alchemy/devboards/db1550.c
+++ b/arch/mips/alchemy/devboards/db1550.c
@@ -4,6 +4,7 @@
* (c) 2011 Manuel Lauss <manuel.lauss@googlemail.com>
*/
+#include <linux/clk.h>
#include <linux/dma-mapping.h>
#include <linux/gpio.h>
#include <linux/i2c.h>
@@ -574,6 +575,7 @@ static void __init pb1550_devices(void)
int __init db1550_dev_setup(void)
{
int swapped, id;
+ struct clk *c;
id = (BCSR_WHOAMI_BOARD(bcsr_read(BCSR_WHOAMI)) != BCSR_WHOAMI_DB1550);
@@ -582,6 +584,17 @@ int __init db1550_dev_setup(void)
spi_register_board_info(db1550_spi_devs,
ARRAY_SIZE(db1550_i2c_devs));
+ c = clk_get(NULL, "psc0_intclk");
+ if (!IS_ERR(c)) {
+ clk_prepare_enable(c);
+ clk_put(c);
+ }
+ c = clk_get(NULL, "psc2_intclk");
+ if (!IS_ERR(c)) {
+ clk_prepare_enable(c);
+ clk_put(c);
+ }
+
/* Audio PSC clock is supplied by codecs (PSC1, 3) FIXME: platdata!! */
__raw_writel(PSC_SEL_CLK_SERCLK,
(void __iomem *)KSEG1ADDR(AU1550_PSC1_PHYS_ADDR) + PSC_SEL_OFFSET);