From mboxrd@z Thu Jan 1 00:00:00 1970 From: Vignesh R Subject: [RFC PATCH 4/5] dt-bindings: mtd: Add bindings for TI's AM654 Hyperbus memory controller Date: Tue, 19 Feb 2019 12:06:06 +0530 Message-ID: <20190219063607.29949-5-vigneshr@ti.com> References: <20190219063607.29949-1-vigneshr@ti.com> Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 8bit Return-path: In-Reply-To: <20190219063607.29949-1-vigneshr@ti.com> Sender: linux-kernel-owner@vger.kernel.org To: Vignesh R , David Woodhouse , Brian Norris , Boris Brezillon , Marek Vasut , Richard Weinberger , Rob Herring Cc: Greg Kroah-Hartman , Arnd Bergmann , linux-mtd@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, tudor.ambarus@microchip.com, nsekhar@ti.com List-Id: devicetree@vger.kernel.org Add binding documentation for TI's Hyperbus memory controller present on AM654 SoC. Signed-off-by: Vignesh R --- .../devicetree/bindings/mtd/ti,am654-hbmc.txt | 27 +++++++++++++++++++ MAINTAINERS | 1 + 2 files changed, 28 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..b70fd1795fc5 --- /dev/null +++ b/Documentation/devicetree/bindings/mtd/ti,am654-hbmc.txt @@ -0,0 +1,27 @@ +Bindings for Hyperbus Memory Controller 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 + +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 0808c22807bc..a9760c5e33f7 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -7149,6 +7149,7 @@ S: Supported F: drivers/mtd/hyperbus/ F: include/linux/mtd/hyperbus.h F: Documentation/devicetree/bindings/mtd/cypress,hyperbus.txt +F: Documentation/devicetree/bindings/mtd/ti,am654-hbmc.txt HYPERVISOR VIRTUAL CONSOLE DRIVER L: linuxppc-dev@lists.ozlabs.org -- 2.20.1