Commit 1591dc44a067a6579544c33d05fefa9d8665e1c0
Exists in
ti-lsk-linux-4.1.y
and in
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Merge tag 'v3.19-rockchip-dtsfixes1' of git://git.kernel.org/pub/scm/linux/kerne…
…l/git/mmind/linux-rockchip into fixes Merge "ARM: rockchip: dts fix for 3.19" from Heiko Stübner: Increase drive-strength to sdmmc pins on rk3288-evb to fix an issue with the fixed highspeed card detection. * tag 'v3.19-rockchip-dtsfixes1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip: ARM: dts: rockchip: bump sd card pin drive strength up on rk3288-evb Signed-off-by: Olof Johansson <olof@lixom.net>
Showing 1 changed file Side-by-side Diff
arch/arm/boot/dts/rk3288-evb.dtsi
| ... | ... | @@ -155,6 +155,15 @@ |
| 155 | 155 | }; |
| 156 | 156 | |
| 157 | 157 | &pinctrl { |
| 158 | + pcfg_pull_none_drv_8ma: pcfg-pull-none-drv-8ma { | |
| 159 | + drive-strength = <8>; | |
| 160 | + }; | |
| 161 | + | |
| 162 | + pcfg_pull_up_drv_8ma: pcfg-pull-up-drv-8ma { | |
| 163 | + bias-pull-up; | |
| 164 | + drive-strength = <8>; | |
| 165 | + }; | |
| 166 | + | |
| 158 | 167 | backlight { |
| 159 | 168 | bl_en: bl-en { |
| 160 | 169 | rockchip,pins = <7 2 RK_FUNC_GPIO &pcfg_pull_none>; |
| ... | ... | @@ -170,6 +179,27 @@ |
| 170 | 179 | pmic { |
| 171 | 180 | pmic_int: pmic-int { |
| 172 | 181 | rockchip,pins = <RK_GPIO0 4 RK_FUNC_GPIO &pcfg_pull_up>; |
| 182 | + }; | |
| 183 | + }; | |
| 184 | + | |
| 185 | + sdmmc { | |
| 186 | + /* | |
| 187 | + * Default drive strength isn't enough to achieve even | |
| 188 | + * high-speed mode on EVB board so bump up to 8ma. | |
| 189 | + */ | |
| 190 | + sdmmc_bus4: sdmmc-bus4 { | |
| 191 | + rockchip,pins = <6 16 RK_FUNC_1 &pcfg_pull_up_drv_8ma>, | |
| 192 | + <6 17 RK_FUNC_1 &pcfg_pull_up_drv_8ma>, | |
| 193 | + <6 18 RK_FUNC_1 &pcfg_pull_up_drv_8ma>, | |
| 194 | + <6 19 RK_FUNC_1 &pcfg_pull_up_drv_8ma>; | |
| 195 | + }; | |
| 196 | + | |
| 197 | + sdmmc_clk: sdmmc-clk { | |
| 198 | + rockchip,pins = <6 20 RK_FUNC_1 &pcfg_pull_none_drv_8ma>; | |
| 199 | + }; | |
| 200 | + | |
| 201 | + sdmmc_cmd: sdmmc-cmd { | |
| 202 | + rockchip,pins = <6 21 RK_FUNC_1 &pcfg_pull_up_drv_8ma>; | |
| 173 | 203 | }; |
| 174 | 204 | }; |
| 175 | 205 |