The kernel is 3.13-rc2, the mfc has been configured by dts, the dts is attached below. I have placed s5p-mfc.fw in /lib/firmware/ . I can use v4l2-ctl(from v4l2-utils) the encoder in the manufacturer kernel, but I can't in here. What is the problem? Thank you ==================================log================================== root@mifu:~# dmesg|grep mfc [ 3.165000] s5p-mfc 13400000.codec: decoder registered as /dev/video0 [ 3.170000] s5p-mfc 13400000.codec: encoder registered as /dev/video1 root@mifu:~# v4l2-ctl -d /dev/video0 --all Driver Info (not using libv4l2): Driver name : 13400000.codec[ 153.415000] vidioc_g_crop:777: Cannont set crop Card type : 13400000.codec Bus info : Driver version: 1.0.0 Capabilities : 0x04007000 Video Capture Multiplanar Video Output Multiplanar Streaming root@mifu:~# v4l2-ctl -d /dev/video1 --all Failed to open /dev/video1: No such file or directory =============================dts===================== diff --git a/arch/arm/boot/dts/exynos4412-tiny4412.dts b/arch/arm/boot/dts/exynos4412-tiny4412.dts new file mode 100644 index 0000000..fedd9cc --- /dev/null +++ b/arch/arm/boot/dts/exynos4412-tiny4412.dts @@ -0,0 +1,173 @@ +/* + * Hardkernel's Exynos4412 based tiny4412 1306 board device tree source + * + * Copyright (c) 2013 Tomoya Gitsufuki <ayaka@xxxxxxxxxxxxxxxx> + * + * Device tree source file for Friendyarm tiny4412 1306 board which is based on + * Samsung's Exynos4412 SoC. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +/dts-v1/; +#include "exynos4412.dtsi" + +/ { + model = "Friendly Arm Tiny4412 1306 board based on Exynos4412"; + compatible = "friendlyarm,tiny4412-1306", "samsung,exynos4412"; + + memory { + reg = <0x40000000 0x40000000>; + }; + + chosen { + bootargs ="root=/dev/mmcblk0p1 rootfstype=ext4 rw console=ttySAC0,115200 init=/sbin/init"; + }; + + leds { + compatible = "gpio-leds"; + led1 { + label = "led1:heart"; + gpios = <&gpm4 0 1>; + default-state = "on"; + linux,default-trigger = "heartbeat"; + }; + led2 { + label = "led2:mmc0"; + gpios = <&gpm4 1 1>; + default-state = "on"; + linux,default-trigger = "mmc0"; + }; + + }; + + regulators { + compatible = "simple-bus"; + #address-cells = <1>; + + vemmc_reg: regulator-0 { + compatible = "regulator-fixed"; + regulator-name = "VMEM_VDD_2.8V"; + regulator-min-microvolt = <2800000>; + regulator-max-microvolt = <2800000>; + gpio = <&gpk0 2 0>; + enable-active-high; + }; + + }; + + /* + mshc@12550000 { + #address-cells = <1>; + #size-cells = <0>; + pinctrl-0 = <&sd4_clk &sd4_cmd &sd4_bus4 &sd4_bus8>; + pinctrl-names = "default"; + status = "okay"; + + vmmc-supply = <&vemmc_reg>; + clocks = <&clock 301>, <&clock 149>; + clocks-name = "biu", "ciu"; + + num-slots = <1>; + supports-highspeed; + broken-cd; + fifo-depth = <0x80>; + card-detect-delay = <200>; + samsung,dw-mshc-ciu-div = <3>; + samsung,dw-mshc-sdr-timing = <2 3>; + samsung,dw-mshc-ddr-timing = <1 2>; + + slot@0 { + reg = <0>; + bus-width = <8>; + + }; + }; + */ + + rtc@10070000 { + status = "okay"; + }; + + sdhci@12530000 { + bus-width = <4>; + pinctrl-0 = <&sd2_clk &sd2_cmd &sd2_bus4 &sd2_cd>; + pinctrl-names = "default"; + status = "okay"; + }; + sdhci@1254000 { + bus-width = <4>; + pinctrl-0 = <&sd3_clk &sd3_cmd &sd3_bus4 &sd3_cd>; + pinctrl-names = "default"; + status = "okay"; + }; + + usb_phy: usbphy@125B0000 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "samsung,exynos4210-usb2phy"; + reg = <0x125B0000 0x100>; + ranges; + status = "okay"; + + clocks = <&clock 2>, <&clock 305>; + clock-names = "xusbxti", "otg"; + usbphy-sys { + /* USB device and host PHY_CONTROL registers */ + /*reg = <0x10020704 0xc 0x1001021c 0x4>;*/ + reg = <0x10020704 0x8>; + }; + }; + + ehci@12580000 { + usb-phy = <&usb_phy>; + status = "okay"; + }; + + codec@13400000 { + samsung,mfc-r = <0x43000000 0x800000>; + samsung,mfc-l = <0x51000000 0x800000>; + status = "okay"; + }; + + serial@13800000 { + status = "okay"; + }; + + serial@13810000 { + status = "okay"; + }; + + serial@13820000 { + status = "okay"; + }; + + serial@13830000 { + status = "okay"; + }; + + fixed-rate-clocks { + xxti { + compatible = "samsung,clock-xxti"; + clock-frequency = <0>; + }; + + xusbxti { + compatible = "samsung,clock-xusbxti"; + clock-frequency = <24000000>; + }; + }; + + i2c@13860000 { + status = "okay"; + samsung,i2c-sda-delay = <100>; + samsung,i2c-max-bus-freq = <200000>; + + wm8960@10 { + compatible = "wlf,wm8960"; + reg = <0x10>; + }; + }; +}; -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html