From: festevam@gmail.com (Fabio Estevam)
To: linux-arm-kernel@lists.infradead.org
Subject: Adding esdhc4 eMMC support on mx6sabresd
Date: Wed, 7 May 2014 17:14:52 -0300 [thread overview]
Message-ID: <CAOMZO5CJEoe_fGLH-Uu9uVwNdWPp940k3WGAkjzkCiGmjAPAXA@mail.gmail.com> (raw)
Hi Dong,
I have tested the following patch to add support for the emmc port on
mx6qsabresd:
--- a/arch/arm/boot/dts/imx6qdl-sabresd.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-sabresd.dtsi
@@ -444,6 +444,21 @@
MX6QDL_PAD_SD3_DAT7__SD3_DATA7 0x17059
>;
};
+
+ pinctrl_usdhc4: usdhc4grp {
+ fsl,pins = <
+ MX6QDL_PAD_SD4_CMD__SD4_CMD 0x17059
+ MX6QDL_PAD_SD4_CLK__SD4_CLK 0x10059
+ MX6QDL_PAD_SD4_DAT0__SD4_DATA0 0x17059
+ MX6QDL_PAD_SD4_DAT1__SD4_DATA1 0x17059
+ MX6QDL_PAD_SD4_DAT2__SD4_DATA2 0x17059
+ MX6QDL_PAD_SD4_DAT3__SD4_DATA3 0x17059
+ MX6QDL_PAD_SD4_DAT4__SD4_DATA4 0x17059
+ MX6QDL_PAD_SD4_DAT5__SD4_DATA5 0x17059
+ MX6QDL_PAD_SD4_DAT6__SD4_DATA6 0x17059
+ MX6QDL_PAD_SD4_DAT7__SD4_DATA7 0x17059
+ >;
+ };
};
gpio_leds {
@@ -535,3 +550,11 @@
wp-gpios = <&gpio2 1 0>;
status = "okay";
};
+
+&usdhc4 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_usdhc4>;
+ bus-width = <8>;
+ non-removable;
+ status = "okay";
+};
,and this is the result:
mmc2: new high speed DDR MMC card at address 0001
mmcblk1: mmc2:0001 SEM08G 7.39 GiB
mmcblk1boot0: mmc2:0001 SEM08G partition 1 2.00 MiB
mmcblk1boot1: mmc2:0001 SEM08G partition 2 2.00 MiB
mmcblk1rpmb: mmc2:0001 SEM08G partition 3 128 KiB
mmcblk1: error -110 sending stop command, original cmd response 0x900, card sta0
mmcblk1: error -84 transferring data, sector 0, nr 8, cmd response 0x900, card 0
mmcblk1: retrying using single block read
mmcblk1: error -84 transferring data, sector 0, nr 8, cmd response 0x900, card 0
end_request: I/O error, dev mmcblk1, sector 0
mmcblk1: error -84 transferring data, sector 1, nr 7, cmd response 0x900, card 0
end_request: I/O error, dev mmcblk1, sector 1
mmcblk1: error -84 transferring data, sector 2, nr 6, cmd response 0x900, card 0
end_request: I/O error, dev mmcblk1, sector 2
mmcblk1: error -84 transferring data, sector 3, nr 5, cmd response 0x900, card 0
end_request: I/O error, dev mmcblk1, sector 3
mmcblk1: error -84 transferring data, sector 4, nr 4, cmd response 0x900, card 0
....
Is there any extra patch I need to apply? I am running linux-next 20140506.
Thanks,
Fabio Estevam
next reply other threads:[~2014-05-07 20:14 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-05-07 20:14 Fabio Estevam [this message]
2014-05-08 7:18 ` Adding esdhc4 eMMC support on mx6sabresd Lothar Waßmann
2014-05-08 10:17 ` Dong Aisheng
2014-05-08 14:05 ` Fabio Estevam
2014-05-09 3:16 ` Shawn Guo
2014-05-09 2:24 ` Dong Aisheng
[not found] <CAKVbgXpn43n-8Azjc9f2-RHw51uVAAKkv_dT7b_iXWxNm7q+Qw@mail.gmail.com>
2014-11-18 15:02 ` Fabio Estevam
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