Re: [PATCH] arm64: dts: ulcb-kf: Add support for TI WL1837

From: Simon Horman
Date: Fri Apr 26 2019 - 05:50:21 EST


Hi,

from my point of view what is required is a review.
I will try to find someone to do so.
I apologise for not doing so earlier.

On Thu, Apr 25, 2019 at 01:12:45PM +0200, Eugeniu Rosca wrote:
> 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.
>