Re: [PATCH] arm64: dts: exynos: add the mshc_2 node for supporting T-Flash

From: Marek Szyprowski
Date: Fri Nov 18 2016 - 05:38:26 EST


Dear Jaehoon,


On 2016-11-18 08:12, Jaehoon Chung wrote:
Add the mshc_2 node for supporting T-flash.

And it needs to add the "mshc*" aliases. Because dwmmc driver should be
assigned to "ctrl_id" after parsing to "mshc".
If there is no aliases for mshc, then it might be set to the wrong
capabilities.

Signed-off-by: Jaehoon Chung <jh80.chung@xxxxxxxxxxx>
---
arch/arm64/boot/dts/exynos/exynos5433-tm2.dts | 19 +++++++++++++++++++
1 file changed, 19 insertions(+)

diff --git a/arch/arm64/boot/dts/exynos/exynos5433-tm2.dts b/arch/arm64/boot/dts/exynos/exynos5433-tm2.dts
index 9ea3f32..75dab01 100644
--- a/arch/arm64/boot/dts/exynos/exynos5433-tm2.dts
+++ b/arch/arm64/boot/dts/exynos/exynos5433-tm2.dts
@@ -42,6 +42,8 @@
spi2 = &spi_2;
spi3 = &spi_3;
spi4 = &spi_4;
+ mshc0 = &mshc_0;
+ mshc2 = &mshc_2;
};
chosen {
@@ -661,6 +663,23 @@
assigned-clock-rates = <800000000>;
};
+&mshc_2 {
+ status = "okay";
+ num-slots = <1>;
+ cap-sd-highspeed;
+ disable-wp;
+ cd-gpios = <&gpa2 4 0>;

cd-gpios = <&gpa2 4 GPIO_ACTIVE_HIGH>;

+ cd-inverted;
+ card-detect-delay = <200>;
+ samsung,dw-mshc-ciu-div = <3>;
+ samsung,dw-mshc-sdr-timing = <0 4>;
+ samsung,dw-mshc-ddr-timing = <0 2>;
+ fifo-depth = <0x80>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&sd2_clk &sd2_cmd &sd2_bus1 &sd2_bus4>;
+ bus-width = <4>;
+};
+
&pinctrl_alive {
pinctrl-names = "default";
pinctrl-0 = <&initial_alive>;

Best regards
--
Marek Szyprowski, PhD
Samsung R&D Institute Poland