Hi Russell,
On mar., mai 16 2017, Russell King <rmk+kernel@xxxxxxxxxxxxxxx> wrote:
> Add sdhci support for MACCHIATOBin boards. This uses the AP806 SDHCI
> for eMMC and CP110 master for the SD card slot.
Applied on mvebu/dt64
Thanks,
Gregory
>
> Signed-off-by: Russell King <rmk+kernel@xxxxxxxxxxxxxxx>
> ---
>
> This version labels up the uSD connector, adds the vqmmc regulator for
> the uSD (the regulator itself already present in the DT), and supports
> the card detect signal.
>
> For eMMC, this version adds the vqmmc regulator, which again is already
> present in the DT, marks it as not supporting SD or SDIO, and also
> includes "slow mode" since testing with previous versions of the driver
> have shown that selecting faster speeds results in errors.
>
> arch/arm64/boot/dts/marvell/armada-8040-mcbin.dts | 23 ++++++++++++++++++++++
> 1 file changed, 23 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/marvell/armada-8040-mcbin.dts b/arch/arm64/boot/dts/marvell/armada-8040-mcbin.dts
> index cc167e05941a..60111ed3234a 100644
> --- a/arch/arm64/boot/dts/marvell/armada-8040-mcbin.dts
> +++ b/arch/arm64/boot/dts/marvell/armada-8040-mcbin.dts
> @@ -95,6 +95,21 @@
> status = "okay";
> };
>
> +&ap_sdhci0 {
> + bus-width = <8>;
> + /*
> + * Not stable in HS modes - phy needs "more calibration", so add
> + * the "slow-mode" and disable SDR104, SDR50 and DDR50 modes.
> + */
> + marvell,xenon-phy-slow-mode;
> + no-1-8-v;
> + no-sd;
> + no-sdio;
> + non-removable;
> + status = "okay";
> + vqmmc-supply = <&v_vddo_h>;
> +};
> +
> &cpm_i2c0 {
> clock-frequency = <100000>;
> status = "okay";
> @@ -105,6 +120,14 @@
> status = "okay";
> };
>
> +&cpm_sdhci0 {
> + /* U6 */
> + broken-cd;
> + bus-width = <4>;
> + status = "okay";
> + vqmmc-supply = <&v_3_3>;
> +};
> +
> &cpm_usb3_0 {
> /* J38? - USB2.0 only */
> status = "okay";
> --
> 2.7.4
>
--
Gregory Clement, Free Electrons
Kernel, drivers, real-time and embedded Linux
development, consulting, training and support.
http://free-electrons.com
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