[PATCH RFC] ARM: dts: mxs: leave card detect out of common mmc pins config

Hector Palacios
2013-04-08T10:13:26Z

MicroSD card sockets don't usually have card detect line. This pin
is actually not needed for the MMC to work and it is more of a
platform design decission to have it.
The card detect pin already has a configuration entry of its own:
'mmc0_cd_cfg' so we complete the iomux configuration here and let
platforms to include it or not depending on whether the card detect
line is routed to the SD socket.

Signed-off-by: Hector Palacios <hector.palacios@digi.com>
---

Hello,

All imx28 based platforms except 'bluegiga,apx4devkit' and
'schulercontrol,imx28-sps1', use 'mmc0_cd_cfg' in their mmc configuration
so please check whether this patch would break these platforms.

arch/arm/boot/dts/imx28.dtsi | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm/boot/dts/imx28.dtsi b/arch/arm/boot/dts/imx28.dtsi
index 9b18e81..4222e4e 100644
--- a/arch/arm/boot/dts/imx28.dtsi
+++ b/arch/arm/boot/dts/imx28.dtsi
@@ -449,7 +449,6 @@
0x2060 /* MX28_PAD_SSP0_DATA6__SSP0_D6 */
0x2070 /* MX28_PAD_SSP0_DATA7__SSP0_D7 */
0x2080 /* MX28_PAD_SSP0_CMD__SSP0_CMD */
- 0x2090 /* MX28_PAD_SSP0_DETECT__SSP0_CARD_DETECT */
0x20a0 /* MX28_PAD_SSP0_SCK__SSP0_SCK */
>;
fsl,drive-strength = <1>;
@@ -465,7 +464,6 @@
0x2020 /* MX28_PAD_SSP0_DATA2__SSP0_D2 */
0x2030 /* MX28_PAD_SSP0_DATA3__SSP0_D3 */
0x2080 /* MX28_PAD_SSP0_CMD__SSP0_CMD */
- 0x2090 /* MX28_PAD_SSP0_DETECT__SSP0_CARD_DETECT */
0x20a0 /* MX28_PAD_SSP0_SCK__SSP0_SCK */
>;
fsl,drive-strength = <1>;
@@ -477,6 +475,8 @@
fsl,pinmux-ids = <
0x2090 /* MX28_PAD_SSP0_DETECT__SSP0_CARD_DETECT */
>;
+ fsl,drive-strength = <1>;
+ fsl,voltage = <1>;
fsl,pull-up = <0>;
};

--
1.8.2