linux-kernel - Re: [PATCH v2 17/20] ARM: sunxi: Introduce Allwinner A23 support

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Date:	Wed, 18 Jun 2014 14:26:46 +0200
From:	Maxime Ripard <maxime.ripard@...e-electrons.com>
To:	Chen-Yu Tsai <wens@...e.org>
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Samuel Ortiz <sameo@...ux.intel.com>,
	Lee Jones <lee.jones@...aro.org>,
	Rob Herring <robh+dt@...nel.org>,
	Mike Turquette <mturquette@...aro.org>,
	Emilio Lopez <emilio@...pez.com.ar>,
	Linus Walleij <linus.walleij@...aro.org>,
	linux-serial@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-sunxi@...glegroups.com, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Boris BREZILLON <boris.brezillon@...e-electrons.com>,
	Luc Verhaegen <libv@...net.be>
Subject: Re: [PATCH v2 17/20] ARM: sunxi: Introduce Allwinner A23 support

On Tue, Jun 17, 2014 at 10:52:54PM +0800, Chen-Yu Tsai wrote:
> The Allwinner A23 is a dual-core Cortex-A7-based SoC. It re-uses most of
> the IPs found in previous SoCs, notably the A31.
> 
> Signed-off-by: Chen-Yu Tsai <wens@...e.org>
> ---
>  arch/arm/mach-sunxi/Kconfig |  8 ++++++++
>  arch/arm/mach-sunxi/sunxi.c | 10 ++++++++++
>  2 files changed, 18 insertions(+)
> 
> diff --git a/arch/arm/mach-sunxi/Kconfig b/arch/arm/mach-sunxi/Kconfig
> index 0fbd4f1..6434e3b 100644
> --- a/arch/arm/mach-sunxi/Kconfig
> +++ b/arch/arm/mach-sunxi/Kconfig
> @@ -35,4 +35,12 @@ config MACH_SUN7I
>  	select HAVE_ARM_ARCH_TIMER
>  	select SUN5I_HSTIMER
>  
> +config MACH_SUN8I
> +	bool "Allwinner A23 (sun8i) SoCs support"
> +	default ARCH_SUNXI
> +	select ARCH_HAS_RESET_CONTROLLER
> +	select ARM_GIC
> +	select MFD_SUN6I_PRCM
> +	select RESET_CONTROLLER
> +
>  endif
> diff --git a/arch/arm/mach-sunxi/sunxi.c b/arch/arm/mach-sunxi/sunxi.c
> index 3f9587b..962ff30 100644
> --- a/arch/arm/mach-sunxi/sunxi.c
> +++ b/arch/arm/mach-sunxi/sunxi.c
> @@ -53,3 +53,13 @@ static const char * const sun7i_board_dt_compat[] = {
>  DT_MACHINE_START(SUN7I_DT, "Allwinner sun7i (A20) Family")
>  	.dt_compat	= sun7i_board_dt_compat,
>  MACHINE_END
> +
> +static const char * const sun8i_board_dt_compat[] = {
> +	"allwinner,sun8i-a23",
> +	NULL,
> +};
> +
> +DT_MACHINE_START(SUN8I_DT, "Allwinner sun8i (A23) Family")
> +	.init_time	= sun6i_timer_init,

I haven't seen anything in your code that needed to use this
function. Am I missing something?

Maxime

-- 
Maxime Ripard, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com

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