On Wed, Sep 13, 2017 at 06:05:36PM +0100, Chris Paterson wrote:
> From: Fabrizio Castro <fabrizio.castro@xxxxxxxxxxxxxx>
>
> Enable the SDHI1 controller on iWave RZ/G1E SoM.
>
> Signed-off-by: Fabrizio Castro <fabrizio.castro@xxxxxxxxxxxxxx>
> Signed-off-by: Chris Paterson <chris.paterson2@xxxxxxxxxxx>
> ---
> This patch is based on renesas-devel-20170913-v4.13.
>
>
> arch/arm/boot/dts/r8a7745-iwg22m.dtsi | 17 +++++++++++++++++
> 1 file changed, 17 insertions(+)
>
> diff --git a/arch/arm/boot/dts/r8a7745-iwg22m.dtsi b/arch/arm/boot/dts/r8a7745-iwg22m.dtsi
> index e306e7c..f7f9cef 100644
> --- a/arch/arm/boot/dts/r8a7745-iwg22m.dtsi
> +++ b/arch/arm/boot/dts/r8a7745-iwg22m.dtsi
> @@ -9,6 +9,7 @@
> */
>
> #include "r8a7745.dtsi"
> +#include <dt-bindings/gpio/gpio.h>
>
> / {
> compatible = "iwave,g22m", "renesas,r8a7745";
> @@ -38,6 +39,12 @@
> function = "mmc";
> };
>
> + sdhi1_pins: sd1 {
> + groups = "sdhi1_data4", "sdhi1_ctrl";
> + function = "sdhi1";
> + power-source = <3300>;
> + };
> +
> i2c3_pins: i2c3 {
> groups = "i2c3_b";
> function = "i2c3";
> @@ -54,6 +61,16 @@
> status = "okay";
> };
>
> +&sdhi1 {
> + pinctrl-0 = <&sdhi1_pins>;
> + pinctrl-names = "default";
> +
> + vmmc-supply = <®_3p3v>;
> + vqmmc-supply = <®_3p3v>;
> + cd-gpios = <&gpio3 31 GPIO_ACTIVE_LOW>;
No wp-gpios property means this is a µSD slot, right?
Do you have any plans to enable sdr-50 and sdr-104?
Is it not supported for some reason?
I don't mind if its not enabled in this patch but I would like to
know if it can be enabled or not and reflect that information in the wiki.
http://elinux.org/index.php?title=Renesas-MMC-Enabled-Speeds
> + status = "okay";
> +};
> +
> &i2c3 {
> pinctrl-0 = <&i2c3_pins>;
> pinctrl-names = "default";
> --
> 1.9.1
>
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