linux-kernel - Re: [PATCH 1/3] ARM: dts: sunxi: A10s Olinuxino add missing SPI and simplefb.

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-ID: <20150426083958.GD5627@lukather>
Date:	Sun, 26 Apr 2015 10:39:58 +0200
From:	Maxime Ripard <maxime.ripard@...e-electrons.com>
To:	Michal Suchanek <hramrach@...il.com>
Cc:	linux-sunxi@...glegroups.com, Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Russell King <linux@....linux.org.uk>,
	devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/3] ARM: dts: sunxi: A10s Olinuxino add missing SPI and
 simplefb.

Hi,

On Mon, Mar 23, 2015 at 03:00:31PM +0100, Michal Suchanek wrote:
> Signed-off-by: Michal Suchanek <hramrach@...il.com>

Commit log, please.

> ---
>  arch/arm/boot/dts/sun5i-a10s-olinuxino-micro.dts | 12 ++++++++++
>  arch/arm/boot/dts/sun5i-a10s.dtsi                | 28 ++++++++++++++++++++++++
>  2 files changed, 40 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/sun5i-a10s-olinuxino-micro.dts b/arch/arm/boot/dts/sun5i-a10s-olinuxino-micro.dts
> index aa88ee8..e546b3f 100644
> --- a/arch/arm/boot/dts/sun5i-a10s-olinuxino-micro.dts
> +++ b/arch/arm/boot/dts/sun5i-a10s-olinuxino-micro.dts
> @@ -59,6 +59,12 @@
>  	model = "Olimex A10s-Olinuxino Micro";
>  	compatible = "olimex,a10s-olinuxino-micro", "allwinner,sun5i-a10s";
>  
> +	chosen {
> +		framebuffer@0 {
> +			status = "okay";
> +		};
> +	};
> +

This is wrong.

If the bootloader has set a simplefb node, it will enable the right
one, if not it means that it's not meant to be used.

>  	aliases {
>  		serial0 = &uart0;
>  		serial1 = &uart2;
> @@ -182,6 +188,12 @@
>  	status = "okay";
>  };
>  
> +&spi2 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&spi2_pins_a>;
> +	status = "okay";
> +};
> +

This should be in a separate patch, and the node are to be ordered
alphabetically.

>  &ohci0 {
>  	status = "okay";
>  };
> diff --git a/arch/arm/boot/dts/sun5i-a10s.dtsi b/arch/arm/boot/dts/sun5i-a10s.dtsi
> index a78c95d..438eba1 100644
> --- a/arch/arm/boot/dts/sun5i-a10s.dtsi
> +++ b/arch/arm/boot/dts/sun5i-a10s.dtsi
> @@ -154,6 +154,20 @@
>  			clocks = <&apb1_gates 18>;
>  			status = "disabled";
>  		};
> +
> +		spi2: spi@...17000 {
> +			compatible = "allwinner,sun4i-a10-spi";
> +			reg = <0x01c17000 0x1000>;
> +			interrupts = <12>;
> +			clocks = <&ahb_gates 22>, <&spi2_clk>;
> +			clock-names = "ahb", "mod";
> +			dmas = <&dma SUN4I_DMA_DEDICATED 29>,
> +			       <&dma SUN4I_DMA_DEDICATED 28>;
> +			dma-names = "rx", "tx";
> +			status = "disabled";
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +		};
>  	};
>  };

This should be in sun5i.dtsi (and in a separate patch).

> @@ -198,4 +212,18 @@
>  		allwinner,drive = <SUN4I_PINCTRL_30_MA>;
>  		allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
>  	};
> +
> +	spi2_pins_a: spi2@0 {
> +		allwinner,pins = "PB11", "PB12", "PB13", "PB14";
> +		allwinner,function = "spi2";
> +		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
> +		allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
> +	};
> +
> +	spi2_pins_b: spi2@1 {
> +		allwinner,pins = "PE00", "PE01", "PE02", "PE03";
> +		allwinner,function = "spi2";
> +		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
> +		allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
> +	};
>  };

Ditto.

Thanks!
Maxime

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

Download attachment "signature.asc" of type "application/pgp-signature" (820 bytes)