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| Started by | Caesar Wang <wxt@rock-chips.com> |
|---|---|
| First post | 2016-01-15 15:00 +0100 |
| Last post | 2016-01-17 20:30 +0100 |
| Articles | 2 — 2 participants |
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[PATCH v3 5/9] ARM: dts: rockchip: enable the high speed on sdio for kylin board Caesar Wang <wxt@rock-chips.com> - 2016-01-15 15:00 +0100
Re: [PATCH v3 5/9] ARM: dts: rockchip: enable the high speed on sdio for kylin board Heiko Stuebner <heiko@sntech.de> - 2016-01-17 20:30 +0100
| From | Caesar Wang <wxt@rock-chips.com> |
|---|---|
| Date | 2016-01-15 15:00 +0100 |
| Subject | [PATCH v3 5/9] ARM: dts: rockchip: enable the high speed on sdio for kylin board |
| Message-ID | <qRd50-6Sf-25@gated-at.bofh.it> |
We want to the higher speed for wifi module working. Bootup kernel log: ... mmc_host mmc0: Bus speed (slot 0) = 37125000Hz (slot req 37500000Hz, actual 37125000HZ div = 0) or run 'cat /sys/kernel/debug/clk/clk_summary |grep phase -C 1' to check Otherwise, the mmc0 will run 400khz defalult value to work. Signed-off-by: Caesar Wang <wxt@rock-chips.com> --- Changes in v3: None arch/arm/boot/dts/rk3036-kylin.dts | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/arm/boot/dts/rk3036-kylin.dts b/arch/arm/boot/dts/rk3036-kylin.dts index 2a45be7..4fbd0a3 100644 --- a/arch/arm/boot/dts/rk3036-kylin.dts +++ b/arch/arm/boot/dts/rk3036-kylin.dts @@ -303,6 +303,11 @@ broken-cd; bus-width = <4>; + cap-sd-highspeed; + sd-uhs-sdr12; + sd-uhs-sdr25; + sd-uhs-sdr50; + sd-uhs-sdr104; cap-sdio-irq; default-sample-phase = <90>; keep-power-in-suspend; -- 1.9.1
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| From | Heiko Stuebner <heiko@sntech.de> |
|---|---|
| Date | 2016-01-17 20:30 +0100 |
| Message-ID | <qS1bs-6Hf-19@gated-at.bofh.it> |
| In reply to | #1310138 |
Am Freitag, 15. Januar 2016, 21:49:52 schrieb Caesar Wang: > We want to the higher speed for wifi module working. > > Bootup kernel log: > ... > mmc_host mmc0: Bus speed (slot 0) = 37125000Hz (slot req 37500000Hz, > actual 37125000HZ div = 0) > > or run 'cat /sys/kernel/debug/clk/clk_summary |grep phase -C 1' to check > Otherwise, the mmc0 will run 400khz defalult value to work. > > Signed-off-by: Caesar Wang <wxt@rock-chips.com> applied to my dts32 branch for 4.6
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