Re: [PATCH v6 10/10] arm/tegra: add support for tegra30 based boardcardhu

From: Rob Herring
Date: Fri Dec 09 2011 - 09:30:22 EST


On 12/08/2011 06:43 AM, Peter De Schrijver wrote:
> Add support for the tegra30 based cardhu development board. Cardhu is a tablet
> formfactor reference design for tegra30. The patch provides a device tree for
> the board, updates Makefile.boot to build the dtb, includes the platform in
> Kconfig and updates board-dt.c.
>
> Signed-off-by: Peter De Schrijver <pdeschrijver@xxxxxxxxxx>
> ---
> arch/arm/boot/dts/tegra-cardhu.dts | 36 ++++++++++++++++++++++++++++++++++++
> arch/arm/mach-tegra/Kconfig | 7 +++++++
> arch/arm/mach-tegra/Makefile.boot | 1 +
> arch/arm/mach-tegra/board-dt.c | 1 +
> 4 files changed, 45 insertions(+), 0 deletions(-)
> create mode 100644 arch/arm/boot/dts/tegra-cardhu.dts
>
> diff --git a/arch/arm/boot/dts/tegra-cardhu.dts b/arch/arm/boot/dts/tegra-cardhu.dts
> new file mode 100644
> index 0000000..70c41fc
> --- /dev/null
> +++ b/arch/arm/boot/dts/tegra-cardhu.dts
> @@ -0,0 +1,36 @@
> +/dts-v1/;
> +
> +/include/ "tegra30.dtsi"
> +
> +/ {
> + model = "NVIDIA Tegra30 Cardhu evaluation board";
> + compatible = "nvidia,cardhu", "nvidia,tegra30";
> +
> + memory {

memory@80000000

> + reg = < 0x80000000 0x40000000 >;
> + };
> +
> + serial@70006000 {
> + clock-frequency = < 408000000 >;
> + };
> +
> + i2c@7000c000 {
> + clock-frequency = <100000>;
> + };
> +
> + i2c@7000c400 {
> + clock-frequency = <100000>;
> + };
> +
> + i2c@7000c500 {
> + clock-frequency = <100000>;
> + };
> +
> + i2c@7000c700 {
> + clock-frequency = <100000>;
> + };
> +
> + i2c@7000d000 {
> + clock-frequency = <100000>;
> + };
> +};
> diff --git a/arch/arm/mach-tegra/Kconfig b/arch/arm/mach-tegra/Kconfig
> index aad54ca..6bae1bb 100644
> --- a/arch/arm/mach-tegra/Kconfig
> +++ b/arch/arm/mach-tegra/Kconfig
> @@ -91,6 +91,13 @@ config MACH_VENTANA
> help
> Support for the nVidia Ventana development platform
>
> +config MACH_CARDHU
> + bool "Cardhu board"
> + depends on ARCH_TEGRA_3x_SOC
> + select MACH_TEGRA_DT
> + help
> + Support for the NVIDIA Cardhu development platform
> +

You should not be adding kconfig entries for boards. They should
eventually go away with DT.

> choice
> prompt "Low-level debug console UART"
> default TEGRA_DEBUG_UART_NONE
> diff --git a/arch/arm/mach-tegra/Makefile.boot b/arch/arm/mach-tegra/Makefile.boot
> index cf51a00..7c1110f 100644
> --- a/arch/arm/mach-tegra/Makefile.boot
> +++ b/arch/arm/mach-tegra/Makefile.boot
> @@ -7,3 +7,4 @@ dtb-$(CONFIG_MACH_PAZ00) += tegra-paz00.dtb
> dtb-$(CONFIG_MACH_SEABOARD) += tegra-seaboard.dtb
> dtb-$(CONFIG_MACH_TRIMSLICE) += tegra-trimslice.dtb
> dtb-$(CONFIG_MACH_VENTANA) += tegra-ventana.dtb
> +dtb-$(CONFIG_MACH_CARDHU) += tegra-cardhu.dtb

Likewise, this should be more like:
dtb-$(CONFIG_MACH_TEGRA_DT) += tegra-seaboard.dtb tegra-trimslice.dtb
tegra-ventana.dtb ...

Rob
> diff --git a/arch/arm/mach-tegra/board-dt.c b/arch/arm/mach-tegra/board-dt.c
> index d1ed473..14ef047 100644
> --- a/arch/arm/mach-tegra/board-dt.c
> +++ b/arch/arm/mach-tegra/board-dt.c
> @@ -157,6 +157,7 @@ MACHINE_END
>
> #ifdef CONFIG_ARCH_TEGRA_3x_SOC
> static const char *tegra30_dt_board_compat[] = {
> + "nvidia,cardhu",
> NULL
> };
>
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