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TW6869 drivers porting for freescaleandroid
发布时间：2024/1/8
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TW6869 drivers porting for freescaleandroid
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TW6869调试
驱动代码见附件patch.
配置内核参数config----------imx_v7_android_defconfig
t
--------------for imx6qdl-sabresd-roadj.dtsi
&pcie {//power-on-gpio = <&gpio6 8 0>; //no power control-pinreset-gpio = <&gpio3 30 0>;status = "okay";};
---------------for imx6qdl.dtsi
intc: interrupt-controller@00a01000 {compatible = "arm,cortex-a9-gic";#interrupt-cells = <3>;//#address-cells = <1>; -----------------canceled by lqy for tw6869 irq request------------------//#size-cells = <1>; -----------------canceled by lqy for tw6869 irq request------------------interrupt-controller;reg = <0x00a01000 0x1000>,<0x00a00100 0x100>;};....pcie: pcie@0x01000000 {compatible = "fsl,imx6q-pcie", "snps,dw-pcie";reg = <0x01ffc000 0x4000>, <0x01f00000 0x80000>;reg-names = "dbi", "config";#address-cells = <3>;#size-cells = <2>;device_type = "pci";ranges = <0x81000000 0 0 0x01f80000 0 0x00010000 /* downstream I/O */0x82000000 0 0x01000000 0x01000000 0 0x00f00000>; /* non-prefetchable memory */num-lanes = <1>;interrupts = <0 120 IRQ_TYPE_LEVEL_HIGH>;//interrupt-names = "msi"; -----------------canceled by lqy for tw6869 irq request------------------#interrupt-cells = <1>;interrupt-map-mask = <0 0 0 0x7>;interrupt-map = <0 0 0 1 &intc 0 123 IRQ_TYPE_LEVEL_HIGH>,<0 0 0 2 &intc 0 122 IRQ_TYPE_LEVEL_HIGH>,<0 0 0 3 &intc 0 121 IRQ_TYPE_LEVEL_HIGH>,<0 0 0 4 &intc 0 120 IRQ_TYPE_LEVEL_HIGH>;clocks = <&clks IMX6QDL_CLK_PCIE_REF_125M>,<&clks IMX6QDL_CLK_SATA_REF_100M>,<&clks IMX6QDL_CLK_LVDS1_GATE>, <&clks IMX6QDL_CLK_PCIE_AXI>;clock-names = "pcie_phy", "ref_100m", "pcie_bus", "pcie";status = "disabled";};
测试代码及命令
见附件main.cpp 测试代码为模块编译，未加入到系统中。
cd data
驱动代码见附件patch.
配置内核参数config----------imx_v7_android_defconfig
t
修改设备树
## Bus support#CONFIG_ARM_AMBA=yCONFIG_PCI=yCONFIG_PCI_DOMAINS=yCONFIG_PCI_SYSCALL=y# CONFIG_PCI_MSI is not set# CONFIG_PCI_DEBUG is not set# CONFIG_PCI_REALLOC_ENABLE_AUTO is not set# CONFIG_PCI_STUB is not set# CONFIG_PCI_IOV is not set# CONFIG_PCI_PRI is not set# CONFIG_PCI_PASID is not set## PCI host controller drivers#CONFIG_PCIE_DW=yCONFIG_PCI_IMX6=y# CONFIG_EP_MODE_IN_EP_RC_SYS is not set# CONFIG_RC_MODE_IN_EP_RC_SYS is not set# CONFIG_PCI_HOST_GENERIC is not setCONFIG_PCIEPORTBUS=y# CONFIG_PCIEAER is not set# CONFIG_PCIEASPM is not setCONFIG_PCIE_PME=y# CONFIG_PCCARD is not se--------------for imx6qdl-sabresd-roadj.dtsi
&pcie {//power-on-gpio = <&gpio6 8 0>; //no power control-pinreset-gpio = <&gpio3 30 0>;status = "okay";};
---------------for imx6qdl.dtsi
intc: interrupt-controller@00a01000 {compatible = "arm,cortex-a9-gic";#interrupt-cells = <3>;//#address-cells = <1>; -----------------canceled by lqy for tw6869 irq request------------------//#size-cells = <1>; -----------------canceled by lqy for tw6869 irq request------------------interrupt-controller;reg = <0x00a01000 0x1000>,<0x00a00100 0x100>;};....pcie: pcie@0x01000000 {compatible = "fsl,imx6q-pcie", "snps,dw-pcie";reg = <0x01ffc000 0x4000>, <0x01f00000 0x80000>;reg-names = "dbi", "config";#address-cells = <3>;#size-cells = <2>;device_type = "pci";ranges = <0x81000000 0 0 0x01f80000 0 0x00010000 /* downstream I/O */0x82000000 0 0x01000000 0x01000000 0 0x00f00000>; /* non-prefetchable memory */num-lanes = <1>;interrupts = <0 120 IRQ_TYPE_LEVEL_HIGH>;//interrupt-names = "msi"; -----------------canceled by lqy for tw6869 irq request------------------#interrupt-cells = <1>;interrupt-map-mask = <0 0 0 0x7>;interrupt-map = <0 0 0 1 &intc 0 123 IRQ_TYPE_LEVEL_HIGH>,<0 0 0 2 &intc 0 122 IRQ_TYPE_LEVEL_HIGH>,<0 0 0 3 &intc 0 121 IRQ_TYPE_LEVEL_HIGH>,<0 0 0 4 &intc 0 120 IRQ_TYPE_LEVEL_HIGH>;clocks = <&clks IMX6QDL_CLK_PCIE_REF_125M>,<&clks IMX6QDL_CLK_SATA_REF_100M>,<&clks IMX6QDL_CLK_LVDS1_GATE>, <&clks IMX6QDL_CLK_PCIE_AXI>;clock-names = "pcie_phy", "ref_100m", "pcie_bus", "pcie";status = "disabled";};
测试代码及命令
见附件main.cpp 测试代码为模块编译，未加入到系统中。
cd data
./v4l2_test -d /dev/video4
测试代码详见http://download.csdn.net/download/sunny_hu92/10119162
TW6869驱动http://download.csdn.net/download/sunny_hu92/10119218
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