Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752896AbaBJKMZ (ORCPT ); Mon, 10 Feb 2014 05:12:25 -0500 Received: from bear.ext.ti.com ([192.94.94.41]:42734 "EHLO bear.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752163AbaBJKMP (ORCPT ); Mon, 10 Feb 2014 05:12:15 -0500 From: Ivan Khoronzhuk To: , , , CC: , , , , , , , , , , , , Ivan Khoronzhuk Subject: [PATCH v6 0/3] Introduce clocksource driver for Keystone platform Date: Mon, 10 Feb 2014 12:10:55 +0200 Message-ID: <1392027058-11680-1-git-send-email-ivan.khoronzhuk@ti.com> X-Mailer: git-send-email 1.8.3.2 MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add a broadcast timer64 based clockevent driver for keystone arch. This driver uses timer in 64-bit general purpose mode as clock event device. Documentation: http://www.ti.com/lit/ug/sprugv5a/sprugv5a.pdf Based on git://git.kernel.org/pub/scm/linux/kernel/git/ssantosh/linux-keystone.git keystone/master v5..v6: added function to encapsulate __iowmb(). v4..v5: used __iowmb() insted of wmb() v3..v4: rebased on latest of linux-keystone.git keystone/master v2..v3: - clocksource: timer-keystone: introduce clocksource driver for changed "u64" type to "unsigned long" for hz_period as more appropriate hz_period rounded up by DIV_ROUND_UP(rate, HZ) corrected comments v1..v2: - clocksource: timer-keystone: introduce clocksource driver for renamed timer on "timer-keystone" in keystone_timer_interrupt() evet pointer is passed via "dev_id" used __relaxed variants of writel/readl and added explicit barriers added "keystone_timer_disable()" for using in keystone_set_mode() keystone_timer_config() is not used for disabling the timer any more in case of an unsupported mode the keystone_timer_config() returns -1. used request_irq() instead of setup_irq() assigned irq for event_device in event_dev->irq calculated timer.hz_period for CLOCK_EVT_MODE_PERIODIC at init deleted spare call of keystone_timer_config() in keystone_timer_init() Ivan Khoronzhuk (3): clocksource: timer-keystone: introduce clocksource driver for Keystone clocksource: keystone: add bindings for keystone timer arm: dts: keystone: add keystone timer entry .../bindings/timer/ti,keystone-timer.txt | 29 +++ arch/arm/boot/dts/keystone-clocks.dtsi | 10 + arch/arm/boot/dts/keystone.dtsi | 7 + drivers/clocksource/Makefile | 1 + drivers/clocksource/timer-keystone.c | 244 +++++++++++++++++++++ 5 files changed, 291 insertions(+) create mode 100644 Documentation/devicetree/bindings/timer/ti,keystone-timer.txt create mode 100644 drivers/clocksource/timer-keystone.c -- 1.8.3.2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/