summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--src/mainboard/google/veyron_jerry/mainboard.c7
-rw-r--r--src/mainboard/google/veyron_pinky/mainboard.c7
2 files changed, 12 insertions, 2 deletions
diff --git a/src/mainboard/google/veyron_jerry/mainboard.c b/src/mainboard/google/veyron_jerry/mainboard.c
index 2442472b67..0166796b9e 100644
--- a/src/mainboard/google/veyron_jerry/mainboard.c
+++ b/src/mainboard/google/veyron_jerry/mainboard.c
@@ -79,7 +79,12 @@ static void configure_emmc(void)
writel(IOMUX_EMMCPWREN, &rk3288_grf->iomux_emmcpwren);
writel(IOMUX_EMMCCMD, &rk3288_grf->iomux_emmccmd);
- gpio_output(GPIO(7, B, 4), 1); /* EMMC_RST_L */
+ /*
+ * Use a pullup instead of a drive since the output is 3.3V and
+ * really should be 1.8V (oops). The external pulldown will help
+ * bring the voltage down if we only drive with a pullup here.
+ */
+ gpio_input_pullup(GPIO(7, B, 4)); /* EMMC_RST_L */
}
static void configure_codec(void)
diff --git a/src/mainboard/google/veyron_pinky/mainboard.c b/src/mainboard/google/veyron_pinky/mainboard.c
index 2442472b67..0166796b9e 100644
--- a/src/mainboard/google/veyron_pinky/mainboard.c
+++ b/src/mainboard/google/veyron_pinky/mainboard.c
@@ -79,7 +79,12 @@ static void configure_emmc(void)
writel(IOMUX_EMMCPWREN, &rk3288_grf->iomux_emmcpwren);
writel(IOMUX_EMMCCMD, &rk3288_grf->iomux_emmccmd);
- gpio_output(GPIO(7, B, 4), 1); /* EMMC_RST_L */
+ /*
+ * Use a pullup instead of a drive since the output is 3.3V and
+ * really should be 1.8V (oops). The external pulldown will help
+ * bring the voltage down if we only drive with a pullup here.
+ */
+ gpio_input_pullup(GPIO(7, B, 4)); /* EMMC_RST_L */
}
static void configure_codec(void)