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ARM: imx6q_sabrelite: clk_register_clkdev cko1 for sgtl5000

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Signed-off-by: Richard Zhao <richard.zhao@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
This commit is contained in:
Richard Zhao 2012-04-24 14:19:13 +08:00 committed by Shawn Guo
parent 0987b598ea
commit a258561df1
2 changed files with 31 additions and 0 deletions
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3
arch/arm/mach-imx/clk-imx6q.c
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@ -420,6 +420,9 @@ int __init mx6q_clocks_init(void)
clk_register_clkdev(clk[dummy], NULL, "20bc000.wdog");
clk_register_clkdev(clk[dummy], NULL, "20c0000.wdog");
clk_register_clkdev(clk[ssi1_ipg], NULL, "2028000.ssi");
clk_register_clkdev(clk[cko1_sel], "cko1_sel", NULL);
clk_register_clkdev(clk[ahb], "ahb", NULL);
clk_register_clkdev(clk[cko1], "cko1", NULL);
for (i = 0; i < ARRAY_SIZE(clks_init_on); i++) {
c = clk_get_sys(clks_init_on[i], NULL);

28
arch/arm/mach-imx/mach-imx6q.c
View File

@ -10,6 +10,8 @@
* http://www.gnu.org/copyleft/gpl.html
*/
#include <linux/clk.h>
#include <linux/clkdev.h>
#include <linux/delay.h>
#include <linux/init.h>
#include <linux/io.h>
@ -77,11 +79,37 @@ static int ksz9021rn_phy_fixup(struct phy_device *phydev)
return 0;
}
static void __init imx6q_sabrelite_cko1_setup(void)
{
struct clk *cko1_sel, *ahb, *cko1;
unsigned long rate;
cko1_sel = clk_get_sys(NULL, "cko1_sel");
ahb = clk_get_sys(NULL, "ahb");
cko1 = clk_get_sys(NULL, "cko1");
if (IS_ERR(cko1_sel) || IS_ERR(ahb) || IS_ERR(cko1)) {
pr_err("cko1 setup failed!\n");
goto put_clk;
}
clk_set_parent(cko1_sel, ahb);
rate = clk_round_rate(cko1, 16000000);
clk_set_rate(cko1, rate);
clk_register_clkdev(cko1, NULL, "0-000a");
put_clk:
if (!IS_ERR(cko1_sel))
clk_put(cko1_sel);
if (!IS_ERR(ahb))
clk_put(ahb);
if (!IS_ERR(cko1))
clk_put(cko1);
}
static void __init imx6q_sabrelite_init(void)
{
if (IS_ENABLED(CONFIG_PHYLIB))
phy_register_fixup_for_uid(PHY_ID_KSZ9021, MICREL_PHY_ID_MASK,
ksz9021rn_phy_fixup);
imx6q_sabrelite_cko1_setup();
}
static void __init imx6q_init_machine(void)