From mboxrd@z Thu Jan 1 00:00:00 1970 From: maxime.ripard@bootlin.com (Maxime Ripard) Date: Thu, 12 Apr 2018 16:58:06 +0200 Subject: [PATCH 5/5] arm64: allwinner: a64: add SRAM controller device tree node In-Reply-To: <20180411141641.14675-6-icenowy@aosc.io> References: <20180411141641.14675-1-icenowy@aosc.io> <20180411141641.14675-6-icenowy@aosc.io> Message-ID: <20180412145806.hsvxomh6vousrhq5@flea> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi, On Wed, Apr 11, 2018 at 10:16:41PM +0800, Icenowy Zheng wrote: > Allwinner A64 has a SRAM controller, and in the device tree currently > we have a syscon node to enable EMAC driver to access the EMAC clock > register. As SRAM controller driver can now export regmap for this > register, replace the syscon node to the SRAM controller device node, > and let EMAC driver to acquire its EMAC clock regmap. > > Signed-off-by: Icenowy Zheng > --- > arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi | 23 +++++++++++++++++++---- > 1 file changed, 19 insertions(+), 4 deletions(-) > > diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi > index 1b2ef28c42bd..1c37659d9d41 100644 > --- a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi > +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi > @@ -168,10 +168,25 @@ > #size-cells = <1>; > ranges; > > - syscon: syscon at 1c00000 { > - compatible = "allwinner,sun50i-a64-system-controller", > - "syscon"; > + sram_controller: sram-controller at 1c00000 { > + compatible = "allwinner,sun50i-a64-sram-controller"; > reg = <0x01c00000 0x1000>; > + #address-cells = <1>; > + #size-cells = <1>; > + ranges; > + > + sram_c: sram at 18000 { > + compatible = "mmio-sram"; > + reg = <0x00018000 0x28000>; > + #address-cells = <1>; > + #size-cells = <1>; > + ranges = <0 0x00018000 0x28000>; > + > + de2_sram: sram-section at 0 { > + compatible = "allwinner,sun50i-a64-sram-c"; > + reg = <0x0000 0x28000>; > + }; > + }; That doesn't look related at all to what's being discussed here, so you'd rather add it as part of your DE2-enablement serie (or amend your commit log to say why this is important to do it in this patch). Maxime -- Maxime Ripard, Bootlin (formerly Free Electrons) Embedded Linux and Kernel engineering https://bootlin.com -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 833 bytes Desc: not available URL: