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Tue, 23 Apr 2019 05:48:48 -0500 Received: from DFLE110.ent.ti.com (10.64.6.31) by DFLE111.ent.ti.com (10.64.6.32) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1713.5; Tue, 23 Apr 2019 05:48:48 -0500 Received: from lelv0327.itg.ti.com (10.180.67.183) by DFLE110.ent.ti.com (10.64.6.31) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1713.5 via Frontend Transport; Tue, 23 Apr 2019 05:48:48 -0500 Received: from a0132425.india.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by lelv0327.itg.ti.com (8.15.2/8.15.2) with ESMTP id x3NAmNNR070020; Tue, 23 Apr 2019 05:48:43 -0500 From: Vignesh Raghavendra To: Vignesh Raghavendra , David Woodhouse , Brian Norris , Boris Brezillon , Marek Vasut , Richard Weinberger , Rob Herring Subject: [PATCH v4 4/5] dt-bindings: mtd: Add bindings for TI's AM654 HyperBus memory controller Date: Tue, 23 Apr 2019 16:18:13 +0530 Message-ID: <20190423104814.5762-5-vigneshr@ti.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190423104814.5762-1-vigneshr@ti.com> References: <20190423104814.5762-1-vigneshr@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190423_034902_416612_C7B208CB X-CRM114-Status: GOOD ( 18.99 ) 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, Sergei Shtylyov , Tudor Ambarus , nsekhar@ti.com, linux-kernel@vger.kernel.org, Joakim Tjernlund , linux-mtd@lists.infradead.org, Miquel Raynal , Mason Yang , linux-arm-kernel@lists.infradead.org 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 Add binding documentation for TI's HyperBus memory controller present on AM654 SoC. Signed-off-by: Vignesh Raghavendra --- .../devicetree/bindings/mtd/ti,am654-hbmc.txt | 32 +++++++++++++++++++ MAINTAINERS | 1 + 2 files changed, 33 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..fc87c7918389 --- /dev/null +++ b/Documentation/devicetree/bindings/mtd/ti,am654-hbmc.txt @@ -0,0 +1,32 @@ +Bindings for HyperBus Memory Controller (HBMC) on TI's K3 family of SoCs + +Required properties: +- compatible : "ti,am654-hbmc" for AM654 SoC +- reg : Two entries: + First entry pointed to the register space of HBMC controller + Second entry pointing to the memory map region dedicated for + MMIO access to attached flash devices +- ranges : Address range allocated for each chipselect in the MMIO space + +Optional properties: +- mux-controls : phandle to the multiplexer that controls selection of + HBMC vs OSPI. Mux state of 1 indicates HBMC is selected. + +Example: + + hbmc: hbmc@47034000 { + compatible = "ti,am654-hbmc"; + reg = <0x0 0x47034000 0x0 0x100>, + <0x5 0x00000000 0x1 0x0000000>; + power-domains = <&k3_pds 55>; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0x0 0x5 0x00000000 0x4000000>, /* CS0 - 64MB */ + <0x1 0x5 0x04000000 0x4000000>; /* CS1 - 64MB + + /* Slave flash node */ + flash@0 { + compatible = "cypress,hyperflash"; + reg = <0x0 0x4000000>; + }; + }; diff --git a/MAINTAINERS b/MAINTAINERS index a5f22f85c848..1ade81f9a32a 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -7258,6 +7258,7 @@ S: Supported F: drivers/mtd/hyperbus/ F: include/linux/mtd/hyperbus.h F: Documentation/devicetree/bindings/mtd/cypress,hyperflash.txt +F: Documentation/devicetree/bindings/mtd/ti,am654-hbmc.txt HYPERVISOR VIRTUAL CONSOLE DRIVER L: linuxppc-dev@lists.ozlabs.org -- 2.21.0 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel