Hi Simon,
Do we have any chance getting this upstream? If so, would you kindly
list the acceptance criteria we have to conform to?
Many thanks.
On Thu, Apr 11, 2019 at 02:41:03PM +0200, Spyridon Papageorgiou wrote:
> This patch adds description of TI WL1837 and links interfaces
> to communicate with the IC, namely the SDIO interface to WLAN.
>
> Signed-off-by: Spyridon Papageorgiou <spapageorgiou@xxxxxxxxxxxxxx>
> ---
> arch/arm64/boot/dts/renesas/ulcb-kf.dtsi | 49 ++++++++++++++++++++++++++++++++
> 1 file changed, 49 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi b/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
> index 7a09576..27851a7 100644
> --- a/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
> +++ b/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
> @@ -38,6 +38,18 @@
> regulator-min-microvolt = <5000000>;
> regulator-max-microvolt = <5000000>;
> };
> +
> + wlan_en: regulator-wlan_en {
> + compatible = "regulator-fixed";
> + regulator-name = "wlan-en-regulator";
> +
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> +
> + gpio = <&gpio_exp_74 4 GPIO_ACTIVE_HIGH>;
> + startup-delay-us = <70000>;
> + enable-active-high;
> + };
> };
>
> &can0 {
> @@ -88,6 +100,13 @@
> line-name = "Audio_Out_OFF";
> };
>
> + sd-wifi-mux {
> + gpio-hog;
> + gpios = <5 GPIO_ACTIVE_HIGH>;
> + output-low; /* Connect WL1837 */
> + line-name = "SD WiFi mux";
> + };
> +
> hub_pwen {
> gpio-hog;
> gpios = <6 GPIO_ACTIVE_HIGH>;
> @@ -254,6 +273,12 @@
> function = "scif1";
> };
>
> + sdhi3_pins: sdhi3 {
> + groups = "sdhi3_data4", "sdhi3_ctrl";
> + function = "sdhi3";
> + power-source = <3300>;
> + };
> +
> usb0_pins: usb0 {
> groups = "usb0";
> function = "usb0";
> @@ -273,6 +298,30 @@
> status = "okay";
> };
>
> +&sdhi3 {
> + pinctrl-0 = <&sdhi3_pins>;
> + pinctrl-names = "default";
> +
> + vmmc-supply = <&wlan_en>;
> + vqmmc-supply = <&wlan_en>;
> + bus-width = <4>;
> + no-1-8-v;
> + non-removable;
> + cap-power-off-card;
> + keep-power-in-suspend;
> + max-frequency = <26000000>;
> + status = "okay";
> +
> + #address-cells = <1>;
> + #size-cells = <0>;
> + wlcore: wlcore@2 {
> + compatible = "ti,wl1837";
> + reg = <2>;
> + interrupt-parent = <&gpio1>;
> + interrupts = <25 IRQ_TYPE_EDGE_FALLING>;
> + };
> +};
> +
> &usb2_phy0 {
> pinctrl-0 = <&usb0_pins>;
> pinctrl-names = "default";
> --
> 2.7.4
>
--
Best regards,
Eugeniu.
