[alsa-devel] [PATCH V2 07/11] ARM: imx6q_sabrelite: clk_register_clkdev cko1 for sgtl5000
Richard Zhao
richard.zhao at freescale.com
Wed May 9 13:33:06 CEST 2012
Signed-off-by: Richard Zhao <richard.zhao at freescale.com>
---
arch/arm/mach-imx/clk-imx6q.c | 3 +++
arch/arm/mach-imx/mach-imx6q.c | 28 ++++++++++++++++++++++++++++
2 files changed, 31 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-imx/clk-imx6q.c b/arch/arm/mach-imx/clk-imx6q.c
index 92550c5..096fcfb 100644
--- a/arch/arm/mach-imx/clk-imx6q.c
+++ b/arch/arm/mach-imx/clk-imx6q.c
@@ -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);
diff --git a/arch/arm/mach-imx/mach-imx6q.c b/arch/arm/mach-imx/mach-imx6q.c
index 74e44d3..494c365 100644
--- a/arch/arm/mach-imx/mach-imx6q.c
+++ b/arch/arm/mach-imx/mach-imx6q.c
@@ -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>
@@ -76,10 +78,36 @@ 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)
{
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)
--
1.7.5.4
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