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-rw-r--r--arch/arm/include/asm/arch-mx7ulp/imx-regs.h7
-rw-r--r--arch/arm/mach-imx/mx7ulp/soc.c4
2 files changed, 11 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-mx7ulp/imx-regs.h b/arch/arm/include/asm/arch-mx7ulp/imx-regs.h
index d58ed43199..3c82e9921e 100644
--- a/arch/arm/include/asm/arch-mx7ulp/imx-regs.h
+++ b/arch/arm/include/asm/arch-mx7ulp/imx-regs.h
@@ -58,6 +58,7 @@
#define USDHC1_AIPS2_SLOT (56)
#define RGPIO2P0_AIPS0_SLOT (15)
#define RGPIO2P1_AIPS2_SLOT (15)
+#define SNVS_AIPS2_SLOT (35)
#define IOMUXC0_AIPS0_SLOT (61)
#define OCOTP_CTRL_AIPS1_SLOT (38)
#define OCOTP_CTRL_PCC1_SLOT (38)
@@ -177,6 +178,9 @@
#define USDHC0_RBASE ((AIPS2_BASE + (AIPS2_SLOT_SIZE * USDHC0_AIPS2_SLOT)))
#define USDHC1_RBASE ((AIPS2_BASE + (AIPS2_SLOT_SIZE * USDHC1_AIPS2_SLOT)))
+#define SNVS_BASE ((AIPS2_BASE + (AIPS2_SLOT_SIZE * SNVS_AIPS2_SLOT)))
+#define SNVS_LP_LPCR (SNVS_BASE + 0x38)
+
#define RGPIO2P0_RBASE ((AIPS0_BASE + (AIPS0_SLOT_SIZE * RGPIO2P0_AIPS0_SLOT)))
#define RGPIO2P1_RBASE ((AIPS2_BASE + (AIPS2_SLOT_SIZE * RGPIO2P1_AIPS2_SLOT)))
@@ -939,6 +943,9 @@
#define MMDC_MPWRDQBY3DL_WR_DQ25_DEL_MASK ((0x3f << MMDC_MPWRDQBY3DL_WR_DQ25_DEL))
#define MMDC_MPWRDQBY3DL_WR_DQ24_DEL_MASK ((0x3f << MMDC_MPWRDQBY3DL_WR_DQ24_DEL))
+#define SNVS_LPCR_DPEN (0x20)
+#define SNVS_LPCR_SRTC_ENV (0x1)
+
#if !(defined(__KERNEL_STRICT_NAMES) || defined(__ASSEMBLY__))
#include <asm/types.h>
diff --git a/arch/arm/mach-imx/mx7ulp/soc.c b/arch/arm/mach-imx/mx7ulp/soc.c
index 6015c11869..7119ee4a07 100644
--- a/arch/arm/mach-imx/mx7ulp/soc.c
+++ b/arch/arm/mach-imx/mx7ulp/soc.c
@@ -106,6 +106,10 @@ void s_init(void)
/* clock configuration. */
clock_init();
+ if (soc_rev() < CHIP_REV_2_0) {
+ /* enable dumb pmic */
+ writel((readl(SNVS_LP_LPCR) | SNVS_LPCR_DPEN), SNVS_LP_LPCR);
+ }
return;
}