[PATCH v3] arm-soc: Add support for Sigma Designs Tango4

[Rob Herring]

On Tue, Oct 6, 2015 at 10:57 AM, Marc Gonzalez
<marc_gonzalez at sigmadesigns.com> wrote:
> This patch adds support for Sigma Designs "Tango4" platform, which is
> built around the ARM Cortex A9 MPCore (single and dual core SoCs).
>
> Tango4 is not to be confused with Tango3, which was built around a
> MIPS 74kf CPU.
>
> Signed-off-by: Marc Gonzalez <marc_gonzalez at sigmadesigns.com>
> ---
> v3 changes: Updated clock tree DT (clk driver submitted)
> ---
>  arch/arm/Kconfig                          |   2 +
>  arch/arm/Makefile                         |   1 +
>  arch/arm/boot/dts/Makefile                |   2 +
>  arch/arm/boot/dts/tango4-vantage-1172.dts |  17 ++++
>  arch/arm/boot/dts/tango4.dtsi             | 133 ++++++++++++++++++++++++++++++
>  arch/arm/mach-tangox/Kconfig              |  11 +++
>  arch/arm/mach-tangox/Makefile             |   1 +
>  arch/arm/mach-tangox/setup.c              |   7 ++
>  8 files changed, 174 insertions(+)
>  create mode 100644 arch/arm/boot/dts/tango4-vantage-1172.dts
>  create mode 100644 arch/arm/boot/dts/tango4.dtsi
>  create mode 100644 arch/arm/mach-tangox/Kconfig
>  create mode 100644 arch/arm/mach-tangox/Makefile
>  create mode 100644 arch/arm/mach-tangox/setup.c
>
> diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
> index 1c5021002fe4..94a1a0277c94 100644
> --- a/arch/arm/Kconfig
> +++ b/arch/arm/Kconfig
> @@ -934,6 +934,8 @@ source "arch/arm/mach-sunxi/Kconfig"
>
>  source "arch/arm/mach-prima2/Kconfig"
>
> +source "arch/arm/mach-tangox/Kconfig"
> +
>  source "arch/arm/mach-tegra/Kconfig"
>
>  source "arch/arm/mach-u300/Kconfig"
> diff --git a/arch/arm/Makefile b/arch/arm/Makefile
> index 7451b447cc2d..7fcb4c63cdf7 100644
> --- a/arch/arm/Makefile
> +++ b/arch/arm/Makefile
> @@ -203,6 +203,7 @@ machine-$(CONFIG_ARCH_SOCFPGA)              += socfpga
>  machine-$(CONFIG_ARCH_STI)             += sti
>  machine-$(CONFIG_ARCH_STM32)           += stm32
>  machine-$(CONFIG_ARCH_SUNXI)           += sunxi
> +machine-$(CONFIG_ARCH_TANGOX)          += tangox
>  machine-$(CONFIG_ARCH_TEGRA)           += tegra
>  machine-$(CONFIG_ARCH_U300)            += u300
>  machine-$(CONFIG_ARCH_U8500)           += ux500
> diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
> index 246473a244f6..2499295051d5 100644
> --- a/arch/arm/boot/dts/Makefile
> +++ b/arch/arm/boot/dts/Makefile
> @@ -605,6 +605,8 @@ dtb-$(CONFIG_MACH_SUN8I) += \
>  dtb-$(CONFIG_MACH_SUN9I) += \
>         sun9i-a80-optimus.dtb \
>         sun9i-a80-cubieboard4.dtb
> +dtb-$(CONFIG_ARCH_TANGOX) += \
> +       tango4-vantage-1172.dtb
>  dtb-$(CONFIG_ARCH_TEGRA_2x_SOC) += \
>         tegra20-harmony.dtb \
>         tegra20-iris-512.dtb \
> diff --git a/arch/arm/boot/dts/tango4-vantage-1172.dts b/arch/arm/boot/dts/tango4-vantage-1172.dts
> new file mode 100644
> index 000000000000..3eff944e2103
> --- /dev/null
> +++ b/arch/arm/boot/dts/tango4-vantage-1172.dts
> @@ -0,0 +1,17 @@
> +/dts-v1/;
> +
> +#include "tango4.dtsi"
> +
> +/ {
> +       model = "Sigma Designs SMP8758 Vantage-1172 dev board";
> +       compatible = "sigma,vantage-1172", "sigma,smp8758", "sigma,tango4";
> +
> +       chosen {
> +               stdout-path = &uart;
> +       };
> +};
> +
> +&eth0 {
> +       phy-connection-type = "rgmii";
> +       max-speed = <1000>;
> +};
> diff --git a/arch/arm/boot/dts/tango4.dtsi b/arch/arm/boot/dts/tango4.dtsi
> new file mode 100644
> index 000000000000..c682617866e9
> --- /dev/null
> +++ b/arch/arm/boot/dts/tango4.dtsi
> @@ -0,0 +1,133 @@
> +#include <dt-bindings/interrupt-controller/irq.h>
> +
> +/ {
> +       compatible = "sigma,tango4";
> +
> +       #address-cells = <1>;
> +       #size-cells = <1>;

No memory node?

cpus node?

No pl310? A9 performance mon?

Rob