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Message-ID: <20170715012824.a63geirf47ux3gvi@rob-hp-laptop>
Date: Fri, 14 Jul 2017 20:28:24 -0500
From: Rob Herring <robh@...nel.org>
To: Nathan Sullivan <nathan.sullivan@...com>
Cc: ralf@...ux-mips.org, devicetree@...r.kernel.org,
linux-mips@...ux-mips.org, linux-kernel@...r.kernel.org
Subject: Re: [RESEND][PATCH v5] MIPS: NI 169445 board support
On Fri, Jul 14, 2017 at 12:33:27PM -0500, Nathan Sullivan wrote:
> Support the National Instruments 169445 board.
>
> Signed-off-by: Nathan Sullivan <nathan.sullivan@...com>
> ---
>
> Changes from v4:
>
> - Address Rob Herring's device tree feedback
>
> Documentation/devicetree/bindings/mips/ni.txt | 7 ++
> MAINTAINERS | 8 ++
> arch/mips/boot/dts/Makefile | 1 +
> arch/mips/boot/dts/ni/169445.dts | 100 ++++++++++++++++++++++++
> arch/mips/boot/dts/ni/Makefile | 7 ++
> arch/mips/configs/generic/board-ni169445.config | 27 +++++++
> arch/mips/generic/Kconfig | 6 ++
> arch/mips/generic/vmlinux.its.S | 25 ++++++
> 8 files changed, 181 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/mips/ni.txt
> create mode 100644 arch/mips/boot/dts/ni/169445.dts
> create mode 100644 arch/mips/boot/dts/ni/Makefile
> create mode 100644 arch/mips/configs/generic/board-ni169445.config
>
> diff --git a/Documentation/devicetree/bindings/mips/ni.txt b/Documentation/devicetree/bindings/mips/ni.txt
> new file mode 100644
> index 0000000..722bf2d
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mips/ni.txt
> @@ -0,0 +1,7 @@
> +National Instruments MIPS platforms
> +
> +required root node properties:
> + - compatible: must be "ni,169445"
> +
> +CPU Nodes
> + - compatible: must be "mti,mips14KEc"
> diff --git a/MAINTAINERS b/MAINTAINERS
> index 7d9bd4a..73fa2e0 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -9294,6 +9294,14 @@ F: include/linux/sunrpc/
> F: include/uapi/linux/nfs*
> F: include/uapi/linux/sunrpc/
>
> +NI169445 MIPS ARCHITECTURE
> +M: Nathan Sullivan <nathan.sullivan@...com>
> +L: linux-mips@...ux-mips.org
> +S: Maintained
> +F: arch/mips/boot/dts/ni/
> +F: arch/mips/configs/generic/board-ni169445.config
> +F: Documentation/devicetree/bindings/mips/ni.txt
> +
> NILFS2 FILESYSTEM
> M: Ryusuke Konishi <konishi.ryusuke@....ntt.co.jp>
> L: linux-nilfs@...r.kernel.org
> diff --git a/arch/mips/boot/dts/Makefile b/arch/mips/boot/dts/Makefile
> index b9db492..27b0f37 100644
> --- a/arch/mips/boot/dts/Makefile
> +++ b/arch/mips/boot/dts/Makefile
> @@ -4,6 +4,7 @@ dts-dirs += img
> dts-dirs += ingenic
> dts-dirs += lantiq
> dts-dirs += mti
> +dts-dirs += ni
> dts-dirs += netlogic
> dts-dirs += pic32
> dts-dirs += qca
> diff --git a/arch/mips/boot/dts/ni/169445.dts b/arch/mips/boot/dts/ni/169445.dts
> new file mode 100644
> index 0000000..6a20036
> --- /dev/null
> +++ b/arch/mips/boot/dts/ni/169445.dts
> @@ -0,0 +1,100 @@
> +/dts-v1/;
> +
> +/ {
> + #address-cells = <1>;
> + #size-cells = <1>;
> + compatible = "ni,169445";
> +
> + cpus {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + cpu@0 {
> + device_type = "cpu";
> + compatible = "mti,mips14KEc";
> + clocks = <&baseclk>;
> + reg = <0>;
> + };
> + };
> +
> + memory@0 {
> + device_type = "memory";
> + reg = <0x0 0x10000000>;
> + };
> +
> + baseclk: baseclock {
> + compatible = "fixed-clock";
> + #clock-cells = <0>;
> + clock-frequency = <50000000>;
> + };
> +
> + cpu_intc: interrupt-controller {
> + #address-cells = <0>;
> + compatible = "mti,cpu-interrupt-controller";
> + interrupt-controller;
> + #interrupt-cells = <1>;
> + };
> +
> + ahb@...00000 {
> + compatible = "simple-bus";
> + #address-cells = <1>;
> + #size-cells = <1>;
> + ranges = <0x0 0x1f300000 0x80FFF>;
> +
> + gpio1: gpio@...00010 {
should be "...@10"
> + compatible = "ni,169445-nand-gpio";
> + reg = <0x10 0x4>;
> + reg-names = "dat";
> + gpio-controller;
> + #gpio-cells = <2>;
> + };
> +
> + gpio2: gpio@...00014 {
@14
> + compatible = "ni,169445-nand-gpio";
> + reg = <0x14 0x4>;
> + reg-names = "dat";
> + gpio-controller;
> + #gpio-cells = <2>;
> + no-output;
> + };
> +
> + nand@...00000 {
@0
and so on. Building the kernel with W=2 will check this.
With that,
Acked-by: Rob Herring <robh@...nel.org>
> + compatible = "gpio-control-nand";
> + nand-on-flash-bbt;
> + nand-ecc-mode = "soft_bch";
> + nand-ecc-step-size = <512>;
> + nand-ecc-strength = <4>;
> + reg = <0x0 4>;
> + gpios = <&gpio2 0 0>, /* rdy */
> + <&gpio1 1 0>, /* nce */
> + <&gpio1 2 0>, /* ale */
> + <&gpio1 3 0>, /* cle */
> + <&gpio1 4 0>; /* nwp */
> + };
> +
> + serial@...80000 {
> + compatible = "ns16550a";
> + reg = <0x80000 0x1000>;
> + interrupt-parent = <&cpu_intc>;
> + interrupts = <6>;
> + clocks = <&baseclk>;
> + reg-shift = <0>;
> + };
> +
> + ethernet@...40000 {
> + compatible = "snps,dwmac-4.10a";
> + interrupt-parent = <&cpu_intc>;
> + interrupts = <5>;
> + interrupt-names = "macirq";
> + reg = <0x40000 0x2000>;
> + clock-names = "stmmaceth", "pclk";
> + clocks = <&baseclk>, <&baseclk>;
> +
> + phy-mode = "rgmii";
> +
> + fixed-link {
> + speed = <1000>;
> + full-duplex;
> + };
> + };
> + };
> +};
> diff --git a/arch/mips/boot/dts/ni/Makefile b/arch/mips/boot/dts/ni/Makefile
> new file mode 100644
> index 0000000..66cfdff
> --- /dev/null
> +++ b/arch/mips/boot/dts/ni/Makefile
> @@ -0,0 +1,7 @@
> +dtb-$(CONFIG_FIT_IMAGE_FDT_NI169445) += 169445.dtb
> +
> +# Force kbuild to make empty built-in.o if necessary
> +obj- += dummy.o
> +
> +always := $(dtb-y)
> +clean-files := *.dtb *.dtb.S
> diff --git a/arch/mips/configs/generic/board-ni169445.config b/arch/mips/configs/generic/board-ni169445.config
> new file mode 100644
> index 0000000..0bae1f8
> --- /dev/null
> +++ b/arch/mips/configs/generic/board-ni169445.config
> @@ -0,0 +1,27 @@
> +CONFIG_FIT_IMAGE_FDT_NI169445=y
> +
> +CONFIG_SERIAL_8250=y
> +CONFIG_SERIAL_8250_CONSOLE=y
> +CONFIG_SERIAL_OF_PLATFORM=y
> +
> +CONFIG_GPIOLIB=y
> +CONFIG_GPIO_SYSFS=y
> +CONFIG_GPIO_GENERIC_PLATFORM=y
> +
> +CONFIG_MTD=y
> +CONFIG_MTD_BLOCK=y
> +CONFIG_MTD_CMDLINE_PARTS=y
> +
> +CONFIG_MTD_NAND_ECC=y
> +CONFIG_MTD_NAND_ECC_BCH=y
> +CONFIG_MTD_NAND=y
> +CONFIG_MTD_NAND_GPIO=y
> +CONFIG_MTD_NAND_IDS=y
> +
> +CONFIG_MTD_UBI=y
> +CONFIG_MTD_UBI_BLOCK=y
> +
> +CONFIG_NETDEVICES=y
> +CONFIG_STMMAC_ETH=y
> +CONFIG_STMMAC_PLATFORM=y
> +CONFIG_DWMAC_GENERIC=y
> diff --git a/arch/mips/generic/Kconfig b/arch/mips/generic/Kconfig
> index a606b3f..fbf0813 100644
> --- a/arch/mips/generic/Kconfig
> +++ b/arch/mips/generic/Kconfig
> @@ -16,4 +16,10 @@ config LEGACY_BOARD_SEAD3
> Enable this to include support for booting on MIPS SEAD-3 FPGA-based
> development boards, which boot using a legacy boot protocol.
>
> +config FIT_IMAGE_FDT_NI169445
> + bool "Include FDT for NI 169445"
> + help
> + Enable this to include the FDT for the 169445 platform from
> + National Instruments in the FIT kernel image.
> +
> endif
> diff --git a/arch/mips/generic/vmlinux.its.S b/arch/mips/generic/vmlinux.its.S
> index f67fbf1..de851f7 100644
> --- a/arch/mips/generic/vmlinux.its.S
> +++ b/arch/mips/generic/vmlinux.its.S
> @@ -29,3 +29,28 @@
> };
> };
> };
> +
> +#ifdef CONFIG_FIT_IMAGE_FDT_NI169445
> +/ {
> + images {
> + fdt@...69445 {
> + description = "NI 169445 device tree";
> + data = /incbin/("boot/dts/ni/169445.dtb");
> + type = "flat_dt";
> + arch = "mips";
> + compression = "none";
> + hash@0 {
> + algo = "sha1";
> + };
> + };
> + };
> +
> + configurations {
> + conf@...69445 {
> + description = "NI 169445 Linux Kernel";
> + kernel = "kernel@0";
> + fdt = "fdt@...69445";
> + };
> + };
> +};
> +#endif
> --
> 2.1.4
>
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