From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chen-Yu Tsai Subject: Re: [PATCH 4/5] ARM: dts: sun5i: Add dts file for the Empire Electronix D709 tablet Date: Mon, 21 Dec 2015 14:09:56 +0800 Message-ID: References: <1450611782-9494-1-git-send-email-hdegoede@redhat.com> <1450611782-9494-4-git-send-email-hdegoede@redhat.com> Reply-To: wens-jdAy2FN1RRM@public.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Return-path: In-Reply-To: <1450611782-9494-4-git-send-email-hdegoede-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> List-Post: , List-Help: , List-Archive: , List-Unsubscribe: , To: Hans de Goede Cc: Maxime Ripard , Chen-Yu Tsai , linux-arm-kernel , devicetree , linux-sunxi List-Id: devicetree@vger.kernel.org Hi, On Sun, Dec 20, 2015 at 7:43 PM, Hans de Goede wrote: > The Empire Electronix D709 tablet is a fairly standard 7" A13 tablet, > featuring usb-wifi, a micro-sd slot, micro-usb otg and headphone jack. > > Empire Electronix is written on the back of the tablet, the D709 model > info can be found in the about tablet menu in android. > > The PCB has no markings to speak of. > > This dts file does not add support for the ft5x touchscreen found at > i2c bus 1, addr 0x38, irq PG11, because it does not work out of the box. > It seems it has been flashed with the wrong firmware and needs to have > alternative firmware uploaded at boot to make the touchscreen work > properly, when hot-booting from android into an upstream kernel the > touchscreen does work. > > The Memsic MXC622X accelerometer at i2c bus 1, addr 0x15 also is not > enabled as there is no driver for it. > > Signed-off-by: Hans de Goede > --- > arch/arm/boot/dts/Makefile | 1 + > .../boot/dts/sun5i-a13-empire-electronix-d709.dts | 241 +++++++++++++++++++++ The contents seem the same as sun5i-q8-common.dtsi and sun5i-a13-q8-tablet.dts. Any chance you could use those instead? On the side, any thoughts on how to handle the differences between various "Q8" tablets, like different I2C-based sensors and WiFi chips? I'm asking because with Maxime's couple-regulator we should be able to get the RTL8723BS on the Q8 A23/33 v1.5 working. Regards ChenYu > 2 files changed, 242 insertions(+) > create mode 100644 arch/arm/boot/dts/sun5i-a13-empire-electronix-d709.dts From mboxrd@z Thu Jan 1 00:00:00 1970 From: wens@csie.org (Chen-Yu Tsai) Date: Mon, 21 Dec 2015 14:09:56 +0800 Subject: [PATCH 4/5] ARM: dts: sun5i: Add dts file for the Empire Electronix D709 tablet In-Reply-To: <1450611782-9494-4-git-send-email-hdegoede@redhat.com> References: <1450611782-9494-1-git-send-email-hdegoede@redhat.com> <1450611782-9494-4-git-send-email-hdegoede@redhat.com> Message-ID: To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi, On Sun, Dec 20, 2015 at 7:43 PM, Hans de Goede wrote: > The Empire Electronix D709 tablet is a fairly standard 7" A13 tablet, > featuring usb-wifi, a micro-sd slot, micro-usb otg and headphone jack. > > Empire Electronix is written on the back of the tablet, the D709 model > info can be found in the about tablet menu in android. > > The PCB has no markings to speak of. > > This dts file does not add support for the ft5x touchscreen found at > i2c bus 1, addr 0x38, irq PG11, because it does not work out of the box. > It seems it has been flashed with the wrong firmware and needs to have > alternative firmware uploaded at boot to make the touchscreen work > properly, when hot-booting from android into an upstream kernel the > touchscreen does work. > > The Memsic MXC622X accelerometer at i2c bus 1, addr 0x15 also is not > enabled as there is no driver for it. > > Signed-off-by: Hans de Goede > --- > arch/arm/boot/dts/Makefile | 1 + > .../boot/dts/sun5i-a13-empire-electronix-d709.dts | 241 +++++++++++++++++++++ The contents seem the same as sun5i-q8-common.dtsi and sun5i-a13-q8-tablet.dts. Any chance you could use those instead? On the side, any thoughts on how to handle the differences between various "Q8" tablets, like different I2C-based sensors and WiFi chips? I'm asking because with Maxime's couple-regulator we should be able to get the RTL8723BS on the Q8 A23/33 v1.5 working. Regards ChenYu > 2 files changed, 242 insertions(+) > create mode 100644 arch/arm/boot/dts/sun5i-a13-empire-electronix-d709.dts