Re: [PATCH 5/6] ARM: dts: exynos: Configure PWM, usb3503, PMIC and thermal on Odroid XU board

From: Javier Martinez Canillas
Date: Tue May 31 2016 - 15:36:20 EST


Hello Krzysztof,

On 05/31/2016 02:39 PM, Krzysztof Kozlowski wrote:
> Extend the DTS for Exynos5410-based Odroid XU board with:
> 1. Proper PWM outputs,
> 2. usb3503 USB HUB (with integrated LAN9730 ethernet adapter (smsc95xx)),
> 3. Maxim 77802 PMIC (regulators, 32 kHz clocks, RTC),
> 4. CPU thermal (trip points are the same as in Odroid XU3/XU4 but
> cooling maps are different as there is no CPU freq and only one
> cluster available for now),
> 5. Regulator supplies for USB 3.0.
>
> Signed-off-by: Krzysztof Kozlowski <krzk@xxxxxxxxxx>
>
> ---
>

[snip]

> +
> + ldo10_reg: LDO10 {
> + regulator-name = "vdd18_mipi";
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <1800000>;
> + regulator-always-on;
> + };
> +

[snip]

> +
> + ldo12_reg: LDO12 {
> + regulator-name = "vdd33_usb3";
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> + regulator-always-on;
> + };
> +

[snip]

> +
> + ldo15_reg: LDO15 {
> + regulator-name = "vdd10_usb3";
> + regulator-min-microvolt = <1000000>;
> + regulator-max-microvolt = <1000000>;
> + regulator-always-on;
> + };
> +

I see that LDO 10, 12 and 15 are used by still marked as always-on. Did
you try not marking as always-on those or that also causes issues like
in the other regulators were you added comments about being always-on?

Besides that, patch looks good to me.

Reviewed-by: Javier Martinez Canillas <javier@xxxxxxxxxxxxxxx>

Best regards,
--
Javier Martinez Canillas
Open Source Group
Samsung Research America