From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754746AbbKXSBK (ORCPT ); Tue, 24 Nov 2015 13:01:10 -0500 Received: from mail.savoirfairelinux.com ([208.88.110.44]:35602 "EHLO mail.savoirfairelinux.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753483AbbKXSBG (ORCPT ); Tue, 24 Nov 2015 13:01:06 -0500 From: Damien Riegel To: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-watchdog@vger.kernel.org Cc: Lee Jones , robh+dt@kernel.org, shawnguo@kernel.org, kernel@pengutronix.de, wim@iguana.be, sameo@linux.intel.com, dinh.linux@gmail.com, linux@roeck-us.net, Arnd Bergmann , kernel@savoirfairelinux.com, Damien Riegel Subject: [PATCH v5 0/5] Add board support for TS-4800 Date: Tue, 24 Nov 2015 13:00:48 -0500 Message-Id: <1448388053-30661-1-git-send-email-damien.riegel@savoirfairelinux.com> X-Mailer: git-send-email 2.5.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch serie adds support for TS-4800 board. This board, manufactured by Technologic Systems, is based on an IMX515. The first stage bootloader, called TS-BOOTROM, enables the watchdog, so a watchdog driver is required to prevent board from rebooting. The current device tree is minimal but it allows to get a shell on the board. Changes in v5: - watchdog: changed iteration stop condition in set_timeout to be less error prone Changes in v4: - syscon: rewrite DT property reading to be clearer - watchdog: made fixes suggested by Guenter (now uses watchdog_init_timeout, u32 instead of u16, fixed error checking in probe, cleaned set_timeout) Changes in v3: - Rebased on v4.3 - Changed vendor prefix from "ts" to "technologic" - Added a DT option to generic syscon driver to allow regmap configuration - Dropped custom mfd driver, use generic syscon driver instead. Changes in v2: - Added a mfd driver to handle syscon registers - The watchdog driver now uses the regmap (created by the mfd driver) to access the feed register - Remove watchdog's dependency on SOC_IMX51 Damien Riegel (5): of: add vendor prefix for Technologic Systems mfd: syscon: add a DT property to set value width watchdog: ts4800: add driver for TS-4800 watchdog ARM: imx_v6_v7_defconfig: add TS-4800 watchdog ARM: dts: TS-4800: add basic device tree .../devicetree/bindings/arm/technologic.txt | 6 + Documentation/devicetree/bindings/mfd/syscon.txt | 3 + .../devicetree/bindings/vendor-prefixes.txt | 1 + .../devicetree/bindings/watchdog/ts4800-wdt.txt | 25 +++ arch/arm/boot/dts/Makefile | 3 +- arch/arm/boot/dts/imx51-ts4800.dts | 190 ++++++++++++++++++ arch/arm/configs/imx_v6_v7_defconfig | 1 + drivers/mfd/syscon.c | 13 ++ drivers/watchdog/Kconfig | 10 + drivers/watchdog/Makefile | 1 + drivers/watchdog/ts4800_wdt.c | 215 +++++++++++++++++++++ 11 files changed, 467 insertions(+), 1 deletion(-) create mode 100644 Documentation/devicetree/bindings/arm/technologic.txt create mode 100644 Documentation/devicetree/bindings/watchdog/ts4800-wdt.txt create mode 100644 arch/arm/boot/dts/imx51-ts4800.dts create mode 100644 drivers/watchdog/ts4800_wdt.c -- 2.5.0 From mboxrd@z Thu Jan 1 00:00:00 1970 From: damien.riegel@savoirfairelinux.com (Damien Riegel) Date: Tue, 24 Nov 2015 13:00:48 -0500 Subject: [PATCH v5 0/5] Add board support for TS-4800 Message-ID: <1448388053-30661-1-git-send-email-damien.riegel@savoirfairelinux.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org This patch serie adds support for TS-4800 board. This board, manufactured by Technologic Systems, is based on an IMX515. The first stage bootloader, called TS-BOOTROM, enables the watchdog, so a watchdog driver is required to prevent board from rebooting. The current device tree is minimal but it allows to get a shell on the board. Changes in v5: - watchdog: changed iteration stop condition in set_timeout to be less error prone Changes in v4: - syscon: rewrite DT property reading to be clearer - watchdog: made fixes suggested by Guenter (now uses watchdog_init_timeout, u32 instead of u16, fixed error checking in probe, cleaned set_timeout) Changes in v3: - Rebased on v4.3 - Changed vendor prefix from "ts" to "technologic" - Added a DT option to generic syscon driver to allow regmap configuration - Dropped custom mfd driver, use generic syscon driver instead. Changes in v2: - Added a mfd driver to handle syscon registers - The watchdog driver now uses the regmap (created by the mfd driver) to access the feed register - Remove watchdog's dependency on SOC_IMX51 Damien Riegel (5): of: add vendor prefix for Technologic Systems mfd: syscon: add a DT property to set value width watchdog: ts4800: add driver for TS-4800 watchdog ARM: imx_v6_v7_defconfig: add TS-4800 watchdog ARM: dts: TS-4800: add basic device tree .../devicetree/bindings/arm/technologic.txt | 6 + Documentation/devicetree/bindings/mfd/syscon.txt | 3 + .../devicetree/bindings/vendor-prefixes.txt | 1 + .../devicetree/bindings/watchdog/ts4800-wdt.txt | 25 +++ arch/arm/boot/dts/Makefile | 3 +- arch/arm/boot/dts/imx51-ts4800.dts | 190 ++++++++++++++++++ arch/arm/configs/imx_v6_v7_defconfig | 1 + drivers/mfd/syscon.c | 13 ++ drivers/watchdog/Kconfig | 10 + drivers/watchdog/Makefile | 1 + drivers/watchdog/ts4800_wdt.c | 215 +++++++++++++++++++++ 11 files changed, 467 insertions(+), 1 deletion(-) create mode 100644 Documentation/devicetree/bindings/arm/technologic.txt create mode 100644 Documentation/devicetree/bindings/watchdog/ts4800-wdt.txt create mode 100644 arch/arm/boot/dts/imx51-ts4800.dts create mode 100644 drivers/watchdog/ts4800_wdt.c -- 2.5.0