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Thu, 20 Jun 2019 12:48:03 -0700 (PDT) Subject: Re: [PATCH v7 4/5] dt-bindings: mtd: Add bindings for TI's AM654 HyperBus memory controller To: Vignesh Raghavendra , Boris Brezillon , Marek Vasut , Richard Weinberger , Rob Herring Cc: linux-mtd@lists.infradead.org, Miquel Raynal , devicetree@vger.kernel.org, Mason Yang , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org References: <20190620172250.9102-1-vigneshr@ti.com> <20190620172250.9102-5-vigneshr@ti.com> From: Sergei Shtylyov Organization: Cogent Embedded Message-ID: Date: Thu, 20 Jun 2019 22:48:01 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.2.1 MIME-Version: 1.0 In-Reply-To: <20190620172250.9102-5-vigneshr@ti.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-MW Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 06/20/2019 08:22 PM, Vignesh Raghavendra wrote: > Add binding documentation for TI's HyperBus memory controller present on > AM654 SoC. > > Signed-off-by: Vignesh Raghavendra > --- > > v7: Fix example to move HyperBus node out of syscon > v6: Use generic names for bindings > > .../devicetree/bindings/mtd/ti,am654-hbmc.txt | 52 +++++++++++++++++++ > MAINTAINERS | 1 + > 2 files changed, 53 insertions(+) > create mode 100644 Documentation/devicetree/bindings/mtd/ti,am654-hbmc.txt > > diff --git a/Documentation/devicetree/bindings/mtd/ti,am654-hbmc.txt b/Documentation/devicetree/bindings/mtd/ti,am654-hbmc.txt > new file mode 100644 > index 000000000000..d424a0b88ab6 > --- /dev/null > +++ b/Documentation/devicetree/bindings/mtd/ti,am654-hbmc.txt [...] > +Example: > + > + system-controller@47000000 { > + compatible = "syscon", "simple-mfd"; > + reg = <0x0 0x47000000 0x0 0x100>; > + #address-cells = <2>; > + #size-cells = <2>; > + ranges; > + > + hbmc_mux: multiplexer { > + compatible = "mmio-mux"; > + #mux-control-cells = <1>; > + mux-reg-masks = <0x4 0x2>; /* 0: reg 0x4, bit 1 */ > + }; > + Empty line not needed here. > + }; > + > + hbmc: hyperbus@47034000 { > + compatible = "ti,am654-hbmc"; > + reg = <0x0 0x47034000 0x0 0x100>, > + <0x5 0x00000000 0x1 0x0000000>; > + power-domains = <&k3_pds 55>; > + #address-cells = <2>; > + #size-cells = <1>; > + ranges = <0x0 0x0 0x5 0x00000000 0x4000000>, /* CS0 - 64MB */ > + <0x1 0x0 0x5 0x04000000 0x4000000>; /* CS1 - 64MB */ > + mux-controls = <&hbmc_mux 0>; > + > + /* Slave flash node */ Overindented. > + flash@0,0 { > + compatible = "cypress,hyperflash", "cfi-flash"; > + reg = <0x0 0x0 0x4000000>; > + }; > + }; [...] MBR, Sergei