[PATCH v3] ARM: dts: exynos-artik5: add support for wlan

Krzysztof Kozlowski krzk at kernel.org
Sun Feb 4 08:26:55 PST 2018


On Thu, Feb 01, 2018 at 01:16:56PM -0800, Michael Lyle wrote:
> On the Artik520 module, there's a bcm4354 attached to mshc_1.  Enable
> it, and turn on the regulator used for it, so that both wifi & bluetooth
> work.
> 
> Verified to work on the Artik 520 evaluation board.
> 
> v2: accidentally sent out v1
> v3: non-removable instead of broken-cd, alphabetical order, formatting

Changelog should go after --- separator so it would not end in commit.

I'll fix it during applying. Looks good to me. I'll take it after merge
window.

Best regards,
Krzysztof

> 
> Signed-off-by: Michael Lyle <mlyle at lyle.org>
> ---
>  arch/arm/boot/dts/exynos3250-artik5.dtsi | 36 ++++++++++++++++++++++++++++++++
>  1 file changed, 36 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/exynos3250-artik5.dtsi b/arch/arm/boot/dts/exynos3250-artik5.dtsi
> index 0aa577fe9f95..620b50c19ead 100644
> --- a/arch/arm/boot/dts/exynos3250-artik5.dtsi
> +++ b/arch/arm/boot/dts/exynos3250-artik5.dtsi
> @@ -245,6 +245,7 @@
>  				regulator-name = "VLDO23_1.8V";
>  				regulator-min-microvolt = <1800000>;
>  				regulator-max-microvolt = <1800000>;
> +				regulator-always-on;
>  			};
>  
>  			ldo24_reg: LDO24 {
> @@ -316,6 +317,41 @@
>  	status = "okay";
>  };
>  
> +&mshc_1 {
> +	cap-sd-highspeed;
> +	cap-sdio-irq;
> +	disable-wp;
> +	non-removable;
> +	keep-power-in-suspend;
> +	fifo-depth = <0x40>;
> +	vqmmc-supply = <&ldo11_reg>;
> +	/*
> +	 * Voltage negotiation is broken for the SDIO periph so we
> +	 * can't actually set the voltage here.
> +	 * vmmc-supply = <&ldo23_reg>;
> +	 */
> +	card-detect-delay = <500>;
> +	clock-frequency = <100000000>;
> +	max-frequency = <100000000>;
> +	samsung,dw-mshc-ciu-div = <3>;
> +	samsung,dw-mshc-sdr-timing = <0 1>;
> +	samsung,dw-mshc-ddr-timing = <1 2>;
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&sd1_cmd &sd1_clk &sd1_bus1 &sd1_bus4 &wlanen>;
> +	bus-width = <4>;
> +	status = "okay";
> +};
> +
> +&pinctrl_1 {
> +	wlanen: wlanen {
> +		samsung,pins = "gpx2-3";
> +		samsung,pin-function = <EXYNOS_PIN_FUNC_OUTPUT>;
> +		samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
> +		samsung,pin-drv = <EXYNOS4_PIN_DRV_LV3>;
> +		samsung,pin-val = <1>;
> +	};
> +};
> +
>  &rtc {
>  	clocks = <&cmu CLK_RTC>, <&s2mps14_osc S2MPS11_CLK_AP>;
>  	clock-names = "rtc", "rtc_src";
> -- 
> 2.14.1
> 



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