Hi Sergei,
On Wed, Aug 31, 2016 at 12:24 AM, Sergei Shtylyov
<sergei.shtylyov@xxxxxxxxxxxxxxxxxx> wrote:
> Define the Wheat board dependent part of the SDHI0 (connected to the
> micro-SD slot) device node along with the necessary voltage regulator.
>
> Signed-off-by: Sergei Shtylyov <sergei.shtylyov@xxxxxxxxxxxxxxxxxx>
>
> ---
> This patch is against the 'renesas-devel-20160830-v4.8-rc4' of Simon Horman's
> 'renesas.git' repo plus the CAN patch posted yesterday.
> Starting with this patch, SMSC LAN89218 Ethernet chip starts to misbehave on my
> board...
Are GP11_11 or GP11_12 connected to the Ethernet chip?
Does the misbehaving go away if you drop
- cd-gpios?
- The regulator?
- sdhi0-pins (there may be a bug in the pfc register bit definitions)?
> arch/arm/boot/dts/r8a7792-wheat.dts | 26 ++++++++++++++++++++++++++
> 1 file changed, 26 insertions(+)
>
> Index: renesas/arch/arm/boot/dts/r8a7792-wheat.dts
> ===================================================================
> --- renesas.orig/arch/arm/boot/dts/r8a7792-wheat.dts
> +++ renesas/arch/arm/boot/dts/r8a7792-wheat.dts
> @@ -11,6 +11,7 @@
>
> /dts-v1/;
> #include "r8a7792.dtsi"
> +#include <dt-bindings/gpio/gpio.h>
>
> / {
> model = "Wheat";
> @@ -54,6 +55,17 @@
> pinctrl-0 = <&lan89218_pins>;
> pinctrl-names = "default";
> };
> +
> + vcc_sdhi0: regulator-vcc-sdhi0 {
> + compatible = "regulator-fixed";
> +
> + regulator-name = "SDHI0 Vcc";
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> +
> + gpio = <&gpio11 12 GPIO_ACTIVE_HIGH>;
> + enable-active-high;
> + };
> };
>
> &extal_clk {
> @@ -86,6 +98,11 @@
> groups = "can1_data";
> function = "can1";
> };
> +
> + sdhi0_pins: sdhi0 {
> + groups = "sdhi0_data4", "sdhi0_ctrl";
> + function = "sdhi0";
> + };
> };
>
> &scif0 {
> @@ -108,3 +125,12 @@
>
> status = "okay";
> };
> +
> +&sdhi0 {
> + pinctrl-0 = <&sdhi0_pins>;
> + pinctrl-names = "default";
> +
> + vmmc-supply = <&vcc_sdhi0>;
> + cd-gpios = <&gpio11 11 GPIO_ACTIVE_LOW>;
> + status = "okay";
> +};
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
