On Thu, Jun 15, 2017 at 1:21 PM, Shawn Guo <shawnguo@xxxxxxxxxx> wrote: > On Thu, Jun 15, 2017 at 01:01:22PM +0530, Jagan Teki wrote: >> > I feel the abstraction is wrong from the beginning. Ideally, we should >> > have something like below. >> > >> > - imx6ul-isiot.dtsi >> > - imx6ul-isiot-kit.dts and imx6ul-isiot-carrier.dts >> > >> > The -isiot should have everything on SoM and common stuff between -kit >> > and -carrier boards, while -kit and -carrier include -isiot and contains >> > the base-board specific things. The -isiot can have both emmc and nand >> > devices with "disabled" status, and let firmware turn device on per SoM >> > it boots. In that case, the abstraction level can be less and clearer. >> > >> > Thoughts? >> >> So,even the common stuff (lcdif, ts and etc) should be in -isiot.dtsi > > Yes, anything common can be in -isiot.dtsi. > >> and make it "disabled" and let them enabled on respective dts. this >> what you mentioned here? > > It doesn't matter. If the lcd/touch is same on -kit and -carrier, you > can even have them enabled by default in -isiot.dtsi. The -kit.dts and > -carrier.dts are there to accommodate base-board specific differences. OK, thanks for the help. I'll resolve and send v4 changes by breaking this series for each respective modules. thanks! -- Jagan Teki Senior Linux Kernel Engineer | Amarula Solutions U-Boot, Linux | Upstream Maintainer Hyderabad, India. -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html