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 <ay...@mail.soulik.info>
+ *
+ * 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>;
+ };
+ };
+};
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