From mboxrd@z Thu Jan 1 00:00:00 1970 From: Heiko Stuebner Subject: Re: [PATCH] arm64: dts: rockchip: vdd_log is not an i2c slave Date: Mon, 19 Feb 2018 07:01:55 +0100 Message-ID: <1705208.FSornk7tld@phil> References: <20180218154359.9362-1-vicencb@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20180218154359.9362-1-vicencb-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+glpar-linux-rockchip=m.gmane.org-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org To: Vicente Bergas Cc: linux-rockchip-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org List-Id: linux-rockchip.vger.kernel.org Am Sonntag, 18. Februar 2018, 16:43:59 CET schrieb Vicente Bergas: > The vdd_log power supply is controlled by a PWM pin, not by i2c register access. > There is a boot message that reports an error about not being able to bring that supply up. > Also, the eMMC is not detected and /dev/mmcblk2 does not exist. > > References: > [1] > Schematic page 16, search for LOG_DVS_PWM > https://dl.vamrs.com/products/sapphire_excavator/RK_SAPPHIRE_SOCBOARD_RK3399_LPDDR3D178P232SD8_V12_20161109HXS.pdf > (alternate link) > http://opensource.rock-chips.com/images/f/f0/RK_Sapphire_RK3399.rar > > [2] > arch/arm64/boot/dts/rockchip/rk3399-firefly.dts > > Signed-off-by: Vicente Bergas I've adapted the commit message a bit and applied the patch for 4.17 For the emmc, that is a separate issue and you'll need to look at the logs to see if there is anything shown. Especially device-numbering (your mmcblk2) is not guaranteed, so this could very well also be mmcblk0 or mmcblk1 Thanks Heiko