On 08/26/12 04:59, Thomas Abraham wrote:
Add device nodes for the four instances of dw_mmc controllers in Exynos5250
and enable instance 0 and 2 for the smdk5250 board.
Signed-off-by: Thomas Abraham<thomas.abraham@xxxxxxxxxx>
---
arch/arm/boot/dts/exynos5250-smdk5250.dts | 57 ++++++++++++++++++++++++++++-
arch/arm/boot/dts/exynos5250.dtsi | 32 ++++++++++++++++
2 files changed, 88 insertions(+), 1 deletions(-)
diff --git a/arch/arm/boot/dts/exynos5250-smdk5250.dts b/arch/arm/boot/dts/exynos5250-smdk5250.dts
index 8a5e348..6dc9faf 100644
--- a/arch/arm/boot/dts/exynos5250-smdk5250.dts
+++ b/arch/arm/boot/dts/exynos5250-smdk5250.dts
@@ -16,12 +16,19 @@
model = "SAMSUNG SMDK5250 board based on EXYNOS5250";
compatible = "samsung,smdk5250", "samsung,exynos5250";
+ aliases {
+ mshc0 =&mshc_0;
+ mshc1 =&mshc_1;
+ mshc2 =&mshc_2;
+ mshc3 =&mshc_3;
+ };
+
memory {
reg =<0x40000000 0x80000000>;
};
chosen {
- bootargs = "root=/dev/ram0 rw ramdisk=8192 console=ttySAC1,115200";
+ bootargs = "root=/dev/ram0 rw ramdisk=8192 initrd=0x41000000,8M console=ttySAC2,115200 init=/linuxrc";
Yes, we need to sort out the 'bootargs' for using uart2 as a console,
but you know, this should be separated :-)
};
i2c@12C60000 {
@@ -72,6 +79,54 @@
status = "disabled";
};
+ mshc_0: dwmmc0@12200000 {
How about to keep the consistent naming? dwmmc or dw_mmc? I think,
'dw_mmc' makes more sense?
+ num-slots =<1>;
+ supports-highspeed;
+ broken-cd;
+ fifo-depth =<0x80>;
+ card-detect-delay =<200>;
+ samsung,dw-mshc-sdr-timing =<2 3 3>;
+ samsung,dw-mshc-ddr-timing =<1 2 3>;
We need to think again the name of dw-mshc-sdr-timing, dw-mshc-ddr-timing?
[...]
diff --git a/arch/arm/boot/dts/exynos5250.dtsi b/arch/arm/boot/dts/exynos5250.dtsi
index 004aaa8..f69e389 100644
--- a/arch/arm/boot/dts/exynos5250.dtsi
+++ b/arch/arm/boot/dts/exynos5250.dtsi
@@ -182,6 +182,38 @@
#size-cells =<0>;
};
+ dwmmc0@12200000 {
+ compatible = "samsung,exynos5250-dw-mshc";
I'm not sure, 'exynos5250-dw-mshc' is right here. Because it is just
dw_mmc controller on exynos5250. So...hmm...
[...]
Thanks.
Best regards,
Kgene.
--
Kukjin Kim <kgene.kim@xxxxxxxxxxx>, Senior Engineer,
SW Solution Development Team, Samsung Electronics Co., Ltd.
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