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Diffstat (limited to 'arch/arm64/boot/dts/freescale/s32g274a-rdb2.dts')
-rw-r--r--arch/arm64/boot/dts/freescale/s32g274a-rdb2.dts13
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/freescale/s32g274a-rdb2.dts b/arch/arm64/boot/dts/freescale/s32g274a-rdb2.dts
index ab1e5caaeae7..aaa61a8ad0da 100644
--- a/arch/arm64/boot/dts/freescale/s32g274a-rdb2.dts
+++ b/arch/arm64/boot/dts/freescale/s32g274a-rdb2.dts
@@ -40,6 +40,19 @@
};
&usdhc0 {
+ pinctrl-names = "default", "state_100mhz", "state_200mhz";
+ pinctrl-0 = <&pinctrl_usdhc0>;
+ pinctrl-1 = <&pinctrl_usdhc0_100mhz>;
+ pinctrl-2 = <&pinctrl_usdhc0_200mhz>;
disable-wp;
+ /* Remove no-1-8-v to enable higher speed modes for SD card.
+ * However, this is not enough to enable HS400 or HS200 modes for eMMC.
+ * In this case, the position of the resistor R797 must be changed
+ * from A to B before removing the property.
+ * If the property is removed without changing the resistor position,
+ * HS*00 may be enabled, but the interface might be unstable because of
+ * the wrong VCCQ voltage applied to the eMMC.
+ */
+ no-1-8-v;
status = "okay";
};