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    Subject[PATCH v5 37/37] MIPS: ingenic: initial MIPS Creator CI20 support
    Date
    Add an initial device tree for the Ingenic JZ4780 based MIPS Creator
    CI20 board.

    Signed-off-by: Paul Burton <paul.burton@imgtec.com>
    Cc: Ian Campbell <ijc+devicetree@hellion.org.uk>
    Cc: Kumar Gala <galak@codeaurora.org>
    Cc: Lars-Peter Clausen <lars@metafoo.de>
    Cc: Mark Rutland <mark.rutland@arm.com>
    Cc: Pawel Moll <pawel.moll@arm.com>
    Cc: Ralf Baechle <ralf@linux-mips.org>
    Cc: Rob Herring <robh+dt@kernel.org>
    Cc: devicetree@vger.kernel.org
    Cc: linux-mips@linux-mips.org
    ---

    Changes in v5:
    - Dropped initramfs from ci20_defconfig.
    - Drop nowait from builtin command line in ci20_defconfig.
    - Enable UARTs 0, 1, 3 & 4 (all of which are accessible on the board)
    and specify their numbering using aliases to preserve their ttyS0,
    ttyS1, ttyS3 & ttyS4 naming.

    Changes in v4: None
    Changes in v3:
    - Rebase, relocating behind CONFIG_MACH_INGENIC.

    Changes in v2: None

    arch/mips/boot/dts/ingenic/Makefile | 1 +
    arch/mips/boot/dts/ingenic/ci20.dts | 44 ++++++++++
    arch/mips/configs/ci20_defconfig | 162 ++++++++++++++++++++++++++++++++++++
    arch/mips/jz4740/Kconfig | 4 +
    4 files changed, 211 insertions(+)
    create mode 100644 arch/mips/boot/dts/ingenic/ci20.dts
    create mode 100644 arch/mips/configs/ci20_defconfig

    diff --git a/arch/mips/boot/dts/ingenic/Makefile b/arch/mips/boot/dts/ingenic/Makefile
    index 0c84f0b..f2b864f 100644
    --- a/arch/mips/boot/dts/ingenic/Makefile
    +++ b/arch/mips/boot/dts/ingenic/Makefile
    @@ -1,4 +1,5 @@
    dtb-$(CONFIG_JZ4740_QI_LB60) += qi_lb60.dtb
    +dtb-$(CONFIG_JZ4780_CI20) += ci20.dtb

    obj-y += $(patsubst %.dtb, %.dtb.o, $(dtb-y))

    diff --git a/arch/mips/boot/dts/ingenic/ci20.dts b/arch/mips/boot/dts/ingenic/ci20.dts
    new file mode 100644
    index 0000000..9fcb9e7
    --- /dev/null
    +++ b/arch/mips/boot/dts/ingenic/ci20.dts
    @@ -0,0 +1,44 @@
    +/dts-v1/;
    +
    +#include "jz4780.dtsi"
    +
    +/ {
    + compatible = "img,ci20", "ingenic,jz4780";
    +
    + aliases {
    + serial0 = &uart0;
    + serial1 = &uart1;
    + serial3 = &uart3;
    + serial4 = &uart4;
    + };
    +
    + chosen {
    + stdout-path = &uart4;
    + };
    +
    + memory {
    + device_type = "memory";
    + reg = <0x0 0x10000000
    + 0x30000000 0x30000000>;
    + };
    +};
    +
    +&ext {
    + clock-frequency = <48000000>;
    +};
    +
    +&uart0 {
    + status = "okay";
    +};
    +
    +&uart1 {
    + status = "okay";
    +};
    +
    +&uart3 {
    + status = "okay";
    +};
    +
    +&uart4 {
    + status = "okay";
    +};
    diff --git a/arch/mips/configs/ci20_defconfig b/arch/mips/configs/ci20_defconfig
    new file mode 100644
    index 0000000..4e36b6e
    --- /dev/null
    +++ b/arch/mips/configs/ci20_defconfig
    @@ -0,0 +1,162 @@
    +CONFIG_MACH_INGENIC=y
    +CONFIG_JZ4780_CI20=y
    +CONFIG_HIGHMEM=y
    +# CONFIG_COMPACTION is not set
    +CONFIG_CMA=y
    +CONFIG_HZ_100=y
    +CONFIG_PREEMPT=y
    +# CONFIG_SECCOMP is not set
    +# CONFIG_LOCALVERSION_AUTO is not set
    +CONFIG_KERNEL_XZ=y
    +CONFIG_SYSVIPC=y
    +CONFIG_POSIX_MQUEUE=y
    +CONFIG_FHANDLE=y
    +CONFIG_NO_HZ_IDLE=y
    +CONFIG_HIGH_RES_TIMERS=y
    +CONFIG_IKCONFIG=y
    +CONFIG_IKCONFIG_PROC=y
    +CONFIG_LOG_BUF_SHIFT=14
    +CONFIG_CGROUPS=y
    +CONFIG_CGROUP_FREEZER=y
    +CONFIG_CGROUP_DEVICE=y
    +CONFIG_CPUSETS=y
    +CONFIG_CGROUP_CPUACCT=y
    +CONFIG_MEMCG=y
    +CONFIG_MEMCG_KMEM=y
    +CONFIG_CGROUP_SCHED=y
    +CONFIG_NAMESPACES=y
    +CONFIG_USER_NS=y
    +CONFIG_CC_OPTIMIZE_FOR_SIZE=y
    +CONFIG_SYSCTL_SYSCALL=y
    +CONFIG_KALLSYMS_ALL=y
    +CONFIG_EMBEDDED=y
    +# CONFIG_VM_EVENT_COUNTERS is not set
    +# CONFIG_COMPAT_BRK is not set
    +CONFIG_SLAB=y
    +# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
    +# CONFIG_SUSPEND is not set
    +CONFIG_NET=y
    +CONFIG_PACKET=y
    +CONFIG_UNIX=y
    +CONFIG_INET=y
    +# CONFIG_INET_XFRM_MODE_TRANSPORT is not set
    +# CONFIG_INET_XFRM_MODE_TUNNEL is not set
    +# CONFIG_INET_XFRM_MODE_BEET is not set
    +# CONFIG_INET_LRO is not set
    +# CONFIG_INET_DIAG is not set
    +# CONFIG_IPV6 is not set
    +# CONFIG_WIRELESS is not set
    +CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
    +CONFIG_DEVTMPFS=y
    +# CONFIG_FW_LOADER is not set
    +# CONFIG_ALLOW_DEV_COREDUMP is not set
    +CONFIG_DMA_CMA=y
    +CONFIG_CMA_SIZE_MBYTES=32
    +CONFIG_NETDEVICES=y
    +# CONFIG_NET_VENDOR_ARC is not set
    +# CONFIG_NET_CADENCE is not set
    +# CONFIG_NET_VENDOR_BROADCOM is not set
    +CONFIG_DM9000=y
    +CONFIG_DM9000_FORCE_SIMPLE_PHY_POLL=y
    +# CONFIG_NET_VENDOR_INTEL is not set
    +# CONFIG_NET_VENDOR_MARVELL is not set
    +# CONFIG_NET_VENDOR_MICREL is not set
    +# CONFIG_NET_VENDOR_NATSEMI is not set
    +# CONFIG_NET_VENDOR_QUALCOMM is not set
    +# CONFIG_NET_VENDOR_ROCKER is not set
    +# CONFIG_NET_VENDOR_SAMSUNG is not set
    +# CONFIG_NET_VENDOR_SEEQ is not set
    +# CONFIG_NET_VENDOR_SMSC is not set
    +# CONFIG_NET_VENDOR_STMICRO is not set
    +# CONFIG_NET_VENDOR_VIA is not set
    +# CONFIG_NET_VENDOR_WIZNET is not set
    +# CONFIG_WLAN is not set
    +# CONFIG_INPUT_MOUSEDEV is not set
    +# CONFIG_INPUT_KEYBOARD is not set
    +# CONFIG_INPUT_MOUSE is not set
    +# CONFIG_SERIO is not set
    +CONFIG_VT_HW_CONSOLE_BINDING=y
    +CONFIG_LEGACY_PTY_COUNT=2
    +# CONFIG_DEVKMEM is not set
    +CONFIG_SERIAL_8250=y
    +CONFIG_SERIAL_8250_CONSOLE=y
    +CONFIG_SERIAL_8250_NR_UARTS=5
    +CONFIG_SERIAL_8250_RUNTIME_UARTS=5
    +CONFIG_SERIAL_8250_INGENIC=y
    +CONFIG_SERIAL_OF_PLATFORM=y
    +# CONFIG_HW_RANDOM is not set
    +CONFIG_I2C=y
    +CONFIG_I2C_JZ4780=y
    +CONFIG_GPIO_SYSFS=y
    +# CONFIG_HWMON is not set
    +CONFIG_REGULATOR=y
    +CONFIG_REGULATOR_DEBUG=y
    +CONFIG_REGULATOR_FIXED_VOLTAGE=y
    +# CONFIG_VGA_CONSOLE is not set
    +# CONFIG_HID is not set
    +# CONFIG_USB_SUPPORT is not set
    +CONFIG_MMC=y
    +# CONFIG_IOMMU_SUPPORT is not set
    +CONFIG_MEMORY=y
    +# CONFIG_DNOTIFY is not set
    +CONFIG_PROC_KCORE=y
    +# CONFIG_PROC_PAGE_MONITOR is not set
    +CONFIG_TMPFS=y
    +CONFIG_CONFIGFS_FS=y
    +# CONFIG_MISC_FILESYSTEMS is not set
    +# CONFIG_NETWORK_FILESYSTEMS is not set
    +CONFIG_NLS=y
    +CONFIG_NLS_CODEPAGE_437=y
    +CONFIG_NLS_CODEPAGE_737=y
    +CONFIG_NLS_CODEPAGE_775=y
    +CONFIG_NLS_CODEPAGE_850=y
    +CONFIG_NLS_CODEPAGE_852=y
    +CONFIG_NLS_CODEPAGE_855=y
    +CONFIG_NLS_CODEPAGE_857=y
    +CONFIG_NLS_CODEPAGE_860=y
    +CONFIG_NLS_CODEPAGE_861=y
    +CONFIG_NLS_CODEPAGE_862=y
    +CONFIG_NLS_CODEPAGE_863=y
    +CONFIG_NLS_CODEPAGE_864=y
    +CONFIG_NLS_CODEPAGE_865=y
    +CONFIG_NLS_CODEPAGE_866=y
    +CONFIG_NLS_CODEPAGE_869=y
    +CONFIG_NLS_CODEPAGE_936=y
    +CONFIG_NLS_CODEPAGE_950=y
    +CONFIG_NLS_CODEPAGE_932=y
    +CONFIG_NLS_CODEPAGE_949=y
    +CONFIG_NLS_CODEPAGE_874=y
    +CONFIG_NLS_ISO8859_8=y
    +CONFIG_NLS_CODEPAGE_1250=y
    +CONFIG_NLS_CODEPAGE_1251=y
    +CONFIG_NLS_ASCII=y
    +CONFIG_NLS_ISO8859_1=y
    +CONFIG_NLS_ISO8859_2=y
    +CONFIG_NLS_ISO8859_3=y
    +CONFIG_NLS_ISO8859_4=y
    +CONFIG_NLS_ISO8859_5=y
    +CONFIG_NLS_ISO8859_6=y
    +CONFIG_NLS_ISO8859_7=y
    +CONFIG_NLS_ISO8859_9=y
    +CONFIG_NLS_ISO8859_13=y
    +CONFIG_NLS_ISO8859_14=y
    +CONFIG_NLS_ISO8859_15=y
    +CONFIG_NLS_KOI8_R=y
    +CONFIG_NLS_KOI8_U=y
    +CONFIG_NLS_UTF8=y
    +CONFIG_PRINTK_TIME=y
    +CONFIG_DEBUG_INFO=y
    +CONFIG_STRIP_ASM_SYMS=y
    +CONFIG_DEBUG_FS=y
    +CONFIG_MAGIC_SYSRQ=y
    +CONFIG_LOCKUP_DETECTOR=y
    +CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC=y
    +CONFIG_BOOTPARAM_HUNG_TASK_PANIC=y
    +CONFIG_PANIC_ON_OOPS=y
    +CONFIG_PANIC_TIMEOUT=10
    +# CONFIG_SCHED_DEBUG is not set
    +# CONFIG_DEBUG_PREEMPT is not set
    +CONFIG_STACKTRACE=y
    +# CONFIG_FTRACE is not set
    +CONFIG_CMDLINE_BOOL=y
    +CONFIG_CMDLINE="earlycon console=ttyS4,115200 clk_ignore_unused"
    diff --git a/arch/mips/jz4740/Kconfig b/arch/mips/jz4740/Kconfig
    index 21adcea..36f8201 100644
    --- a/arch/mips/jz4740/Kconfig
    +++ b/arch/mips/jz4740/Kconfig
    @@ -7,6 +7,10 @@ config JZ4740_QI_LB60
    bool "Qi Hardware Ben NanoNote"
    select MACH_JZ4740

    +config JZ4780_CI20
    + bool "MIPS Creator CI20"
    + select MACH_JZ4780
    +
    endchoice

    config MACH_JZ4740
    --
    2.4.1


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