MUSB interface on AM35x stops working when we set AUTOIDLE bit (D0) in
CONTROL_SYSCONFIG(0x48002010) register.
Signed-off-by: Ajay Kumar Gupta <ajay.gu...@ti.com>
---
arch/arm/mach-omap2/pm34xx.c | 7 ++++++-
1 files changed, 6 insertions(+), 1 deletions(-)
diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c
index ea0000b..cc9d566 100644
--- a/arch/arm/mach-omap2/pm34xx.c
+++ b/arch/arm/mach-omap2/pm34xx.c
@@ -849,7 +849,12 @@ static void __init prcm_setup_regs(void)
CM_AUTOIDLE);
}
- omap_ctrl_writel(OMAP3430_AUTOIDLE, OMAP2_CONTROL_SYSCONFIG);
+ /*
+ * MUSB interface on AM35x stops working when we enable AUTOIDLE,
+ * so avoid this for AM3517 and AM3505 device.
+ */
+ if (!cpu_is_omap3517() && !cpu_is_omap3505())
+ omap_ctrl_writel(OMAP3430_AUTOIDLE, OMAP2_CONTROL_SYSCONFIG);
/*
* Set all plls to autoidle. This is needed until autoidle is
--
1.6.2.4
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