Signed-off-by: Richard Zhao <richard.zhao@xxxxxxxxxxxxx>
---
arch/arm/mach-imx/mach-imx6q.c | 60 ++++++++++++++++++++++++++++++++++++++++
1 files changed, 60 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-imx/mach-imx6q.c b/arch/arm/mach-imx/mach-imx6q.c
index 74e44d3..4530c45 100644
--- a/arch/arm/mach-imx/mach-imx6q.c
+++ b/arch/arm/mach-imx/mach-imx6q.c
@@ -22,6 +22,7 @@
#include <linux/pinctrl/machine.h>
#include <linux/phy.h>
#include <linux/micrel_phy.h>
+#include <linux/mfd/anatop.h>
#include <asm/smp_twd.h>
#include <asm/hardware/cache-l2x0.h>
#include <asm/hardware/gic.h>
@@ -82,6 +83,63 @@ static void __init imx6q_sabrelite_init(void)
ksz9021rn_phy_fixup);
}
+static void __init imx6q_post_populate(void)
+{
+ u32 val;
+
+#define HW_ANADIG_USB2_CHRG_DETECT (0x00000210)
+#define BM_ANADIG_USB2_CHRG_DETECT_EN_B 0x00100000
+#define BM_ANADIG_USB2_CHRG_DETECT_CHK_CHRG_B 0x00080000
+
+#define HW_ANADIG_USB2_PLL_480_CTRL (0x00000020)
+#define BM_ANADIG_USB2_PLL_480_CTRL_BYPASS 0x00010000
+#define BM_ANADIG_USB2_PLL_480_CTRL_ENABLE 0x00002000
+#define BM_ANADIG_USB2_PLL_480_CTRL_POWER 0x00001000
+#define BM_ANADIG_USB2_PLL_480_CTRL_EN_USB_CLKS 0x00000040
+
+ /* Some phy and power's special controls for host1
+ * 1. The external charger detector needs to be disabled
+ * or the signal at DP will be poor
+ * 2. The PLL's power and output to usb for host 1
+ * is totally controlled by IC, so the Software only needs
+ * to enable them at initializtion.
+ */
+
+ anatop_write_reg(NULL, HW_ANADIG_USB2_CHRG_DETECT,
+ BM_ANADIG_USB2_CHRG_DETECT_EN_B |
+ BM_ANADIG_USB2_CHRG_DETECT_CHK_CHRG_B,
+ ~0);
+ anatop_write_reg(NULL, HW_ANADIG_USB2_PLL_480_CTRL, 0,
+ BM_ANADIG_USB2_PLL_480_CTRL_BYPASS);
+
+ val = BM_ANADIG_USB2_PLL_480_CTRL_ENABLE |
+ BM_ANADIG_USB2_PLL_480_CTRL_POWER |
+ BM_ANADIG_USB2_PLL_480_CTRL_EN_USB_CLKS;
+ anatop_write_reg(NULL, HW_ANADIG_USB2_PLL_480_CTRL, val, val);
+
+ /* Some phy and power's special controls for otg
+ * 1. The external charger detector needs to be disabled
+ * or the signal at DP will be poor
+ * 2. The EN_USB_CLKS is always enabled.
+ * The PLL's power is controlled by usb and others who
+ * use pll3 too.
+ */
+#define HW_ANADIG_USB1_CHRG_DETECT (0x000001b0)
+#define BM_ANADIG_USB1_CHRG_DETECT_EN_B 0x00100000
+#define BM_ANADIG_USB1_CHRG_DETECT_CHK_CHRG_B 0x00080000
+
+#define HW_ANADIG_USB1_PLL_480_CTRL (0x00000010)
+#define BM_ANADIG_USB1_PLL_480_CTRL_EN_USB_CLKS 0x00000040
+
+ anatop_write_reg(NULL, HW_ANADIG_USB1_CHRG_DETECT,
+ BM_ANADIG_USB1_CHRG_DETECT_EN_B
+ | BM_ANADIG_USB1_CHRG_DETECT_CHK_CHRG_B,
+ ~0);
+ anatop_write_reg(NULL, HW_ANADIG_USB1_PLL_480_CTRL,
+ BM_ANADIG_USB1_PLL_480_CTRL_EN_USB_CLKS,
+ BM_ANADIG_USB1_PLL_480_CTRL_EN_USB_CLKS);
+}
+
static void __init imx6q_init_machine(void)
{
/*
@@ -95,6 +153,8 @@ static void __init imx6q_init_machine(void)
of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
+ imx6q_post_populate();
+
imx6q_pm_init();
}
--
1.7.5.4
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