There's a 2GB emmc on hp t410 that's wired to the sd_2 interface.
Note that we also need to configure the evtmux using edma_xbar for
edma channels.
Signed-off-by: Tony Lindgren <t...@atomide.com>
---
arch/arm/boot/dts/dm8148-t410.dts | 35 +++++++++++++++++++++++++++++++++++
1 file changed, 35 insertions(+)
diff --git a/arch/arm/boot/dts/dm8148-t410.dts
b/arch/arm/boot/dts/dm8148-t410.dts
index 79838dd..d1927a7 100644
--- a/arch/arm/boot/dts/dm8148-t410.dts
+++ b/arch/arm/boot/dts/dm8148-t410.dts
@@ -15,6 +15,13 @@
device_type = "memory";
reg = <0x80000000 0x40000000>; /* 1 GB */
};
+
+ vmmcsd_fixed: fixedregulator@0 {
+ compatible = "regulator-fixed";
+ regulator-name = "vmmcsd_fixed";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ };
};
&cpsw_emac0 {
@@ -26,3 +33,31 @@
phy_id = <&davinci_mdio>, <1>;
phy-mode = "rgmii";
};
+
+&mmc3 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&sd2_pins>;
+ vmmc-supply = <&vmmcsd_fixed>;
+ bus-width = <8>;
+ dmas = <&edma_xbar 8 0 1 /* use SDTXEVT1 instead of MCASP0TX */
+ &edma_xbar 9 0 2>; /* use SDRXEVT1 instead of MCASP0RX */
+ dma-names = "tx", "rx";
+};
+
+&pincntl {
+ sd2_pins: pinmux_sd2_pins {
+ pinctrl-single,pins = <
+ DM814X_IOPAD(0x09c0, PIN_INPUT_PULLUP | 0x1) /*
SD2_DAT[7] */
+ DM814X_IOPAD(0x09c4, PIN_INPUT_PULLUP | 0x1) /*
SD2_DAT[6] */
+ DM814X_IOPAD(0x09c8, PIN_INPUT_PULLUP | 0x1) /*
SD2_DAT[5] */
+ DM814X_IOPAD(0x09cc, PIN_INPUT_PULLUP | 0x1) /*
SD2_DAT[4] */
+ DM814X_IOPAD(0x09d0, PIN_INPUT_PULLUP | 0x1) /*
SD2_DAT[3] */
+ DM814X_IOPAD(0x09d4, PIN_INPUT_PULLUP | 0x1) /*
SD2_DAT[2] */
+ DM814X_IOPAD(0x09d8, PIN_INPUT_PULLUP | 0x1) /*
SD2_DAT[1] */
+ DM814X_IOPAD(0x09dc, PIN_INPUT_PULLUP | 0x1) /*
SD2_DAT[0] */
+ DM814X_IOPAD(0x09e0, PIN_INPUT | 0x1) /*
SD2_CLK */
+ DM814X_IOPAD(0x09f4, PIN_INPUT_PULLUP | 0x2) /*
SD2_CMD */
+ DM814X_IOPAD(0x0920, PIN_INPUT | 40) /* SD2_SDCD */
+ >;
+ };
+};
--
2.6.2
--
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