Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751917AbdCBTx1 (ORCPT ); Thu, 2 Mar 2017 14:53:27 -0500 Received: from smtpfb1-g21.free.fr ([212.27.42.9]:49100 "EHLO smtpfb1-g21.free.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751226AbdCBTxS (ORCPT ); Thu, 2 Mar 2017 14:53:18 -0500 From: Alban To: linux-kernel@vger.kernel.org Cc: devicetree@vger.kernel.org, linux-mtd@lists.infradead.org, Cyrille Pitchen , Richard Weinberger , Marek Vasut , Boris Brezillon , Brian Norris , David Woodhouse , Mark Rutland , Rob Herring , Maxime Ripard , Srinivas Kandagatla , Moritz Fischer , Alban Subject: [PATCH 1/3] doc: bindings: Add bindings documentation for mtd nvmem Date: Thu, 2 Mar 2017 20:50:21 +0100 Message-Id: <1488484223-844-2-git-send-email-albeu@free.fr> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1488484223-844-1-git-send-email-albeu@free.fr> References: <1488484223-844-1-git-send-email-albeu@free.fr> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1180 Lines: 45 Add the binding to expose MTD partitions as nvmem providers. Signed-off-by: Alban --- .../devicetree/bindings/nvmem/mtd-nvmem.txt | 29 ++++++++++++++++++++++ 1 file changed, 29 insertions(+) create mode 100644 Documentation/devicetree/bindings/nvmem/mtd-nvmem.txt diff --git a/Documentation/devicetree/bindings/nvmem/mtd-nvmem.txt b/Documentation/devicetree/bindings/nvmem/mtd-nvmem.txt new file mode 100644 index 0000000..47602f7 --- /dev/null +++ b/Documentation/devicetree/bindings/nvmem/mtd-nvmem.txt @@ -0,0 +1,29 @@ += NVMEM in MTD = + +Config data for drivers is often stored in MTD devices. This binding +define how such data can be represented in device tree. + +An MTD can be defined as an NVMEM provider by adding the `nvmem-provider` +property to their node. Data cells can then be defined as child nodes +of the partition as defined in nvmem.txt. + +Example: + + flash@0 { + ... + + partition@2 { + label = "art"; + reg = <0x7F0000 0x010000>; + read-only; + + nvmem-provider; + #address-cells = <1>; + #size-cells = <1>; + + eeprom@1000 { + label = "wmac-eeprom"; + reg = <0x1000 0x1000>; + }; + }; + }; -- 2.7.4