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X-BeenThere: linux-amlogic@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Martin Blumenstingl , linux-amlogic@lists.infradead.org, Jerome Brunet , Neil Armstrong Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-amlogic" Errors-To: linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@lists.infradead.org Hi Neil, [Ship] Sorry for not following on my query on not able to boot from microSD card on Odroid N2. I have been trying various changes in *meson-g12b-odroid-n2.dts* most of them related to linking the power to tflash_vdd and tf_io nodes. >From the schematics it seems tflash_vdd (TFLASH_VDD_EN) vin-supply = <&vddao_3v3>; tf_io (TF_3V3N_1V8_EN) vin-supply = <&vcc_5v>; but it seen some thing core is missing in Initialization of tf_io. Below regulator_summary confirm my finding ft_io not linked to any main regulator. [root@alarm ~]# cat /sys/kernel/debug/regulator/regulator_summary regulator use open bypass opmode voltage current min max --------------------------------------------------------------------------------------- regulator-dummy 1 2 0 unknown 0mV 0mA 0mV 0mV ff400000.usb 0 0mA 0mV 0mV ff400000.usb 0 0mA 0mV 0mV 12V 3 2 0 unknown 12000mV 0mA 12000mV 12000mV 5V 4 4 0 unknown 5000mV 0mA 5000mV 5000mV ff600000.hdmi-tx 1 0mA 0mV 0mV phy-ff636000.phy.0 1 0mA 0mV 0mV HUB_5V 1 1 0 unknown 5000mV 0mA 5000mV 5000mV phy-ff63a000.phy.1 1 0mA 0mV 0mV USB_PWR_EN 0 1 0 unknown 5000mV 0mA 5000mV 5000mV ffe09000.usb 0 0mA 0mV 0mV VDDAO_3V3 3 2 0 unknown 3300mV 0mA 3300mV 3300mV VCC_3V3 4 3 0 unknown 3300mV 0mA 3300mV 3300mV ffe07000.mmc 1 0mA 3300mV 3400mV FLASH_1V8 2 1 0 unknown 1800mV 0mA 1800mV 1800mV ffe07000.mmc 1 0mA 1800mV 1950mV VCC_1V8 1 0 0 unknown 1800mV 0mA 1800mV 1800mV VDDAO_1V8 1 0 0 unknown 1800mV 0mA 1800mV 1800mV TFLASH_VDD 0 1 0 unknown 3300mV 0mA 3300mV 3300mV ffe05000.sd 0 0mA 3300mV 3400mV TF_IO 0 1 0 unknown 3300mV 0mA 1800mV 3300mV ffe05000.sd 0 0mA 3300mV 3300mV Also I could not figure out how Hardkernel (Amlogic) source code initialize the power for regulator. If you could share some input I will then try to debug this future. Best Regards -Anand _______________________________________________ linux-amlogic mailing list linux-amlogic@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-amlogic