summaryrefslogtreecommitdiffstats
path: root/arch/arm/boot/dts/tegra124-apalis-v1.2.dtsi
diff options
context:
space:
mode:
authorMarcel Ziswiler <marcel.ziswiler@toradex.com>2018-09-01 15:04:55 +0200
committerThierry Reding <treding@nvidia.com>2018-09-26 16:50:37 +0200
commit8be6e49a653ca79dcae1125238f78db590d86622 (patch)
tree253839cea04b6282bebca6434049d8ca56df439a /arch/arm/boot/dts/tegra124-apalis-v1.2.dtsi
parentARM: tegra: apalis-tk1: add proper emmc vmmc and vqmmc supplies (diff)
downloadlinux-8be6e49a653ca79dcae1125238f78db590d86622.tar.xz
linux-8be6e49a653ca79dcae1125238f78db590d86622.zip
ARM: tegra: apalis-tk1: enable emmc ddr52 mode
Add mmc-ddr-1_8v property enabling eMMC DDR52 mode. root@apalis-tk1-mainline:~# cat /sys/kernel/debug/mmc2/ios clock: 52000000 Hz actual clock: 52000000 Hz vdd: 21 (3.3 ~ 3.4 V) bus mode: 2 (push-pull) chip select: 0 (don't care) power mode: 2 (on) bus width: 3 (8 bits) timing spec: 8 (mmc DDR52) signal voltage: 1 (1.80 V) driver type: 0 (driver type B) root@apalis-tk1-mainline:~# hdparm -t /dev/mmcblk2 /dev/mmcblk2: Timing buffered disk reads: 256 MB in 3.02 seconds = 84.83 MB/sec Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com> Signed-off-by: Thierry Reding <treding@nvidia.com>
Diffstat (limited to 'arch/arm/boot/dts/tegra124-apalis-v1.2.dtsi')
-rw-r--r--arch/arm/boot/dts/tegra124-apalis-v1.2.dtsi1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/tegra124-apalis-v1.2.dtsi b/arch/arm/boot/dts/tegra124-apalis-v1.2.dtsi
index 3408317c0f00..37e443e21ce6 100644
--- a/arch/arm/boot/dts/tegra124-apalis-v1.2.dtsi
+++ b/arch/arm/boot/dts/tegra124-apalis-v1.2.dtsi
@@ -1919,6 +1919,7 @@
non-removable;
vmmc-supply = <&reg_module_3v3>; /* VCC */
vqmmc-supply = <&reg_1v8_vddio>; /* VCCQ */
+ mmc-ddr-1_8v;
};
/* CPU DFLL clock */