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a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=IbW3fW3dtTiI4e2mL4N5yspBvoNIWpqUcEPzc9yVMMs=; b=TK8rsXSdYYJc7B/d+R2tEnJWvPAg3TYYsCrN3OFy5PTdWJybRWQ/6LVf8Xfo99LuEE N8lDpaKFlaGHyjpRmWhma9nuZsf00dzBthRh0TEzzqWMep/41kYD3RW0IJ6dtdX0f45m H1Ft3Cdmmjbmq6dP4s1Pimvjzv5ey4dQ0pfISzzvCLVfgE6TRdchtCfkOU7MFzKAF3Cq /FnVSKDFGlNQsvN+HASnsULFRcIIpU0C45LdVVtO1+4JVH1UVt/dR0eDpT5HTWIaawoQ XuT8+/h7MtMnEIBGxx1Ax+hGqfGLL0Qh0FRiaENtHHvQYlH0LT9+1g7BrCJaQEgxBCH3 cE3g== X-Gm-Message-State: APjAAAWv3HCaCZks+GPoAEj3caLBU82pTgAvaw6AiX23JbU8j4a4lXRr e2Oou8ttrZ+vCFP9leCZJvY2RKH8ZVVy8TsPOnwewA== X-Google-Smtp-Source: APXvYqwsR2LF2lPPNKB1bF5LsVJ5erulZSHTlwrKQn9m9P9+nkN0SdbbvNBGXz164/9dAyXWp0lHSwqDTEGcl5J9dAI= X-Received: by 2002:a65:4048:: with SMTP id h8mr65774740pgp.6.1555424865564; Tue, 16 Apr 2019 07:27:45 -0700 (PDT) MIME-Version: 1.0 References: <20190408144216.160082-1-venture@google.com> <998d869d-de1d-4ac9-b4e6-8942945912dd@www.fastmail.com> In-Reply-To: <998d869d-de1d-4ac9-b4e6-8942945912dd@www.fastmail.com> From: Patrick Venture Date: Tue, 16 Apr 2019 07:27:34 -0700 Message-ID: Subject: Re: [PATCH v10 1/2] dt-bindings: misc: aspeed-p2a-ctrl: add support To: Andrew Jeffery X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190416_072748_805144_CBC45426 X-CRM114-Status: GOOD ( 22.63 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , devicetree@vger.kernel.org, linux-aspeed@lists.ozlabs.org, Rob Herring , Greg Kroah-Hartman , Linux Kernel Mailing List , Rob Herring , Joel Stanley , "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Mon, Apr 8, 2019 at 5:48 PM Andrew Jeffery wrote: > > > > On Tue, 9 Apr 2019, at 00:12, Patrick Venture wrote: > > Document the ast2400, ast2500 PCI-to-AHB bridge control driver bindings. > > > > Signed-off-by: Patrick Venture > > Reviewed-by: Rob Herring > > Reviewed-by: Andrew Jeffery > > > --- > > Changes for v10: > > - Chopped out nearly identical information. > > Changes for v9: > > - Added missing details about syscon parent > > Changes for v8: > > - None > > Changes for v7: > > - Moved node under the syscon node it requires > > Changes for v6: > > - None > > Changes for v5: > > - None > > Changes for v4: > > - None > > Changes for v3: > > - None > > Changes for v2: > > - Added comment about syscon required parameter. > > --- > > .../bindings/misc/aspeed-p2a-ctrl.txt | 47 +++++++++++++++++++ > > 1 file changed, 47 insertions(+) > > create mode 100644 Documentation/devicetree/bindings/misc/aspeed-p2a-ctrl.txt > > > > diff --git a/Documentation/devicetree/bindings/misc/aspeed-p2a-ctrl.txt > > b/Documentation/devicetree/bindings/misc/aspeed-p2a-ctrl.txt > > new file mode 100644 > > index 0000000000000..854bd67ffec68 > > --- /dev/null > > +++ b/Documentation/devicetree/bindings/misc/aspeed-p2a-ctrl.txt > > @@ -0,0 +1,47 @@ > > +====================================================================== > > +Device tree bindings for Aspeed AST2400/AST2500 PCI-to-AHB Bridge > > Control Driver > > +====================================================================== > > + > > +The bridge is available on platforms with the VGA enabled on the > > Aspeed device. > > +In this case, the host has access to a 64KiB window into all of the > > BMC's > > +memory. The BMC can disable this bridge. If the bridge is enabled, > > the host > > +has read access to all the regions of memory, however the host only > > has read > > +and write access depending on a register controlled by the BMC. > > + > > +Required properties: > > +=================== > > + > > + - compatible: must be one of: > > + - "aspeed,ast2400-p2a-ctrl" > > + - "aspeed,ast2500-p2a-ctrl" > > + > > +Optional properties: > > +=================== > > + > > +- memory-region: A phandle to a reserved_memory region to be used for > > the PCI > > + to AHB mapping > > + > > +The p2a-control node should be the child of a syscon node with the > > required > > +property: > > + > > +- compatible : Should be one of the following: > > + "aspeed,ast2400-scu", "syscon", "simple-mfd" > > + "aspeed,g4-scu", "syscon", "simple-mfd" > > + "aspeed,ast2500-scu", "syscon", "simple-mfd" > > + "aspeed,g5-scu", "syscon", "simple-mfd" > > + > > +Example > > +=================== > > + > > +g4 Example > > +---------- > > + > > +syscon: scu@1e6e2000 { > > + compatible = "aspeed,ast2400-scu", "syscon", "simple-mfd"; > > + reg = <0x1e6e2000 0x1a8>; > > + > > + p2a: p2a-control { > > + compatible = "aspeed,ast2400-p2a-ctrl"; > > + memory-region = <&reserved_memory>; > > + }; > > +}; > > -- > > 2.21.0.392.gf8f6787159e-goog > > > > I'm sorry, is there something more I need to do with the patch series? Sometimes I miss emails. Thanks, Patrick _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel