TWxSoftware/twx-linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

MIPS: Alchemy: db1x00: use clk framework

Browse Source 
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>
This commit is contained in:
Manuel Lauss
2014-07-23 16:36:52 +02:00
committed by Ralf Baechle
parent 8e21170581
commit 415e0fec7a
3 changed files with 45 additions and 25 deletions
Download Patch File Download Diff File Expand all files Collapse all files
arch/mips/alchemy/devboards/db1550.c
+13
View File
@@ -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);