* [PATCHv2] arm64: dts: exynos: add the mshc_2 node for supporting T-Flash
@ 2016-11-21 4:58 Jaehoon Chung
[not found] ` <20161121045839.1444-1-jh80.chung-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>
0 siblings, 1 reply; 2+ messages in thread
From: Jaehoon Chung @ 2016-11-21 4:58 UTC (permalink / raw)
To: linux-samsung-soc
Cc: linux-kernel, devicetree, kgene, krzk, cw00.choi, robh+dt,
mark.rutland, catalin.marinas, will.deacon, m.szyprowski,
Jaehoon Chung
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@samsung.com>
---
Changelog on V2:
- Changed from 0 to GPIO_ACTIVE_HIGH
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 ce41781..88cb6c1 100644
--- a/arch/arm64/boot/dts/exynos/exynos5433-tm2.dts
+++ b/arch/arm64/boot/dts/exynos/exynos5433-tm2.dts
@@ -45,6 +45,8 @@
spi2 = &spi_2;
spi3 = &spi_3;
spi4 = &spi_4;
+ mshc0 = &mshc_0;
+ mshc2 = &mshc_2;
};
chosen {
@@ -715,6 +717,23 @@
assigned-clock-rates = <800000000>;
};
+&mshc_2 {
+ status = "okay";
+ num-slots = <1>;
+ cap-sd-highspeed;
+ disable-wp;
+ 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>;
--
2.10.1
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCHv2] arm64: dts: exynos: add the mshc_2 node for supporting T-Flash
[not found] ` <20161121045839.1444-1-jh80.chung-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>
@ 2016-11-21 17:21 ` Krzysztof Kozlowski
0 siblings, 0 replies; 2+ messages in thread
From: Krzysztof Kozlowski @ 2016-11-21 17:21 UTC (permalink / raw)
To: Jaehoon Chung
Cc: linux-samsung-soc-u79uwXL29TY76Z2rM5mHXA,
linux-kernel-u79uwXL29TY76Z2rM5mHXA,
devicetree-u79uwXL29TY76Z2rM5mHXA, kgene-DgEjT+Ai2ygdnm+yROfE0A,
krzk-DgEjT+Ai2ygdnm+yROfE0A, cw00.choi-Sze3O3UU22JBDgjK7y7TUQ,
robh+dt-DgEjT+Ai2ygdnm+yROfE0A, mark.rutland-5wv7dgnIgG8,
catalin.marinas-5wv7dgnIgG8, will.deacon-5wv7dgnIgG8,
m.szyprowski-Sze3O3UU22JBDgjK7y7TUQ
On Mon, Nov 21, 2016 at 01:58:39PM +0900, 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-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>
> ---
> Changelog on V2:
> - Changed from 0 to GPIO_ACTIVE_HIGH
Thanks, applied.
Best regards,
Krzysztof
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2016-11-21 4:58 [PATCHv2] arm64: dts: exynos: add the mshc_2 node for supporting T-Flash Jaehoon Chung
[not found] ` <20161121045839.1444-1-jh80.chung-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>
2016-11-21 17:21 ` Krzysztof Kozlowski
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