Messages in this thread | | | From | <> | Subject | [PATCH v2 0/5] add mxc driver for i.MX53 SRTC | Date | Tue, 5 Dec 2017 15:06:41 +0100 |
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From: Patrick Bruenn <p.bruenn@beckhoff.com>
Neither rtc-imxdi, rtc-mxc nor rtc-snvs are compatible with i.MX53.
This is driver enables support for the low power domain SRTC features: - 32-bit MSB of non-rollover time counter - 32-bit alarm register
Based on: http://git.freescale.com/git/cgit.cgi/imx/linux-2.6-imx.git/tree/drivers/rtc/rtc-mxc_v2.c?h=imx_2.6.35_11.09.01
v2: - have seperate patches for dt-binding, CONFIG option, imx53.dtsi and driver - add SPDX-License-Identifier and cleanup copyright notice - replace __raw_readl/writel() with readl/writel() - fix PM_SLEEP callbacks - add CONFIG_RTC_DRV_MXC_V2 to build rtc-mxc_v2.c - remove misleading or obvious comments and fix style of the remaining - avoid endless loop while waiting for hw - implement consistent locking; make spinlock a member of dev struct - enable clk only for register accesses - remove all udelay() calls since they are obsolete or redundant (we are already waiting for register flags to change) - init platform_data before registering irq callback - let set_time() fail, when 32 bit rtc counter exceeded - make names more consistent - cleanup and reorder includes - cleanup and remove unused defines
To: Alessandro Zummo <a.zummo@towertech.it> To: Alexandre Belloni <alexandre.belloni@free-electrons.com> Cc: Rob Herring <robh+dt@kernel.org> Cc: Mark Rutland <mark.rutland@arm.com> (maintainer:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS) Cc: linux-rtc@vger.kernel.org (open list:REAL TIME CLOCK (RTC) SUBSYSTEM) Cc: devicetree@vger.kernel.org (open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS) Cc: linux-kernel@vger.kernel.org (open list) Cc: Fabio Estevam <fabio.estevam@nxp.com> Cc: Juergen Borleis <jbe@pengutronix.de> Cc: Noel Vellemans <Noel.Vellemans@visionbms.com> Cc: Shawn Guo <shawnguo@kernel.org> Cc: Sascha Hauer <kernel@pengutronix.de> (maintainer:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE) Cc: Russell King <linux@armlinux.org.uk> (maintainer:ARM PORT) Cc: linux-arm-kernel@lists.infradead.org (moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE)
Cc: Philippe Ombredanne <pombredanne@nexb.com> Cc: Lothar Waßmann <LW@KARO-electronics.de>
Patrick Bruenn (5): dt-bindings: rtc: add bindings for i.MX53 SRTC ARM: dts: imx53: add srtc node rtc: mxc_v2: add driver for i.MX53 SRTC ARM: imx_v4_v5_defconfig: enable RTC_DRV_MXC_V2 rtc: add mxc driver for i.MX53 SRTC
.../devicetree/bindings/rtc/rtc-mxc_v2.txt | 17 + arch/arm/boot/dts/imx53.dtsi | 4 +- arch/arm/configs/imx_v4_v5_defconfig | 1 + drivers/rtc/Kconfig | 10 + drivers/rtc/Makefile | 1 + drivers/rtc/rtc-mxc_v2.c | 433 +++++++++++++++++++++ 6 files changed, 463 insertions(+), 3 deletions(-) create mode 100644 Documentation/devicetree/bindings/rtc/rtc-mxc_v2.txt create mode 100644 drivers/rtc/rtc-mxc_v2.c
-- 2.11.0
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