From mboxrd@z Thu Jan 1 00:00:00 1970 From: Joel Stanley Subject: [PATCH 0/2] reset: Basic reset controller Date: Fri, 26 May 2017 13:32:12 +1000 Message-ID: <20170526033214.8081-1-joel@jms.id.au> Return-path: Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Philipp Zabel , Rob Herring , Mark Rutland Cc: devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Benjamin Herrenschmidt , Andrew Jeffery List-Id: devicetree@vger.kernel.org Hello, In the Aspeed SoCs we have some reset registers spread out in various parts of the soc: in the system controller IP, as well as other peripherals. I need to be able to deassert those resets before other drivers work. In writing a driver to do this I realised it was very generic. So instead I've sent a generic driver that can be used by the device tree to clear reset lines described by single bits in a register. Let me know what you think of the idea. I've tested this driver on our SoC to release the UART reset. Joel Stanley (2): dt-bindings: reset: Add bindings for basic reset controller reset: Add basic single-register reset driver .../devicetree/bindings/reset/reset-basic.txt | 31 ++++++ drivers/reset/Kconfig | 6 ++ drivers/reset/Makefile | 1 + drivers/reset/reset-basic.c | 109 +++++++++++++++++++++ 4 files changed, 147 insertions(+) create mode 100644 Documentation/devicetree/bindings/reset/reset-basic.txt create mode 100644 drivers/reset/reset-basic.c -- 2.11.0 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html