linux-kernel - [PATCH repost] arm: plat-omap: Add PWM dmtimer platform data quirks

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Message-Id: <1453479351-21825-1-git-send-email-narmstrong@baylibre.com>
Date:	Fri, 22 Jan 2016 17:15:51 +0100
From:	Neil Armstrong <narmstrong@...libre.com>
To:	thierry.reding@...il.com, tony@...mide.com,
	linux-pwm@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, linux-omap@...r.kernel.org
Cc:	Neil Armstrong <narmstrong@...libre.com>
Subject: [PATCH repost] arm: plat-omap: Add PWM dmtimer platform data quirks

In order to set the currently platform dependent dmtimer
functions pointers as platform data for the pwm-omap-dmtimer
platform driver, add it to plat-omap auxdata_lookup table.

Suggested-by: Tony Lindgren <tony@...mide.com>
Signed-off-by: Neil Armstrong <narmstrong@...libre.com>
---
 arch/arm/mach-omap2/pdata-quirks.c | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

Tony, Thierry,

The previous patches are now upstream, here is a repost of the patch re-tested
against mainline.

Ref: http://lkml.kernel.org/r/56374592.4060201@baylibre.com 
Patchset: http://lkml.kernel.org/r/5620ED2C.1090107@baylibre.com

Neil

diff --git a/arch/arm/mach-omap2/pdata-quirks.c b/arch/arm/mach-omap2/pdata-quirks.c
index e781e4f..a935d28 100644
--- a/arch/arm/mach-omap2/pdata-quirks.c
+++ b/arch/arm/mach-omap2/pdata-quirks.c
@@ -23,6 +23,8 @@
 #include <linux/platform_data/pinctrl-single.h>
 #include <linux/platform_data/iommu-omap.h>
 #include <linux/platform_data/wkup_m3.h>
+#include <linux/platform_data/pwm_omap_dmtimer.h>
+#include <plat/dmtimer.h>
 
 #include "common.h"
 #include "common-board-devices.h"
@@ -449,6 +451,24 @@ void omap_auxdata_legacy_init(struct device *dev)
 	dev->platform_data = &twl_gpio_auxdata;
 }
 
+/* Dual mode timer PWM callbacks platdata */
+#if IS_ENABLED(CONFIG_OMAP_DM_TIMER)
+struct pwm_omap_dmtimer_pdata pwm_dmtimer_pdata = {
+	.request_by_node = omap_dm_timer_request_by_node,
+	.free = omap_dm_timer_free,
+	.enable = omap_dm_timer_enable,
+	.disable = omap_dm_timer_disable,
+	.get_fclk = omap_dm_timer_get_fclk,
+	.start = omap_dm_timer_start,
+	.stop = omap_dm_timer_stop,
+	.set_load = omap_dm_timer_set_load,
+	.set_match = omap_dm_timer_set_match,
+	.set_pwm = omap_dm_timer_set_pwm,
+	.set_prescaler = omap_dm_timer_set_prescaler,
+	.write_counter = omap_dm_timer_write_counter,
+};
+#endif
+
 /*
  * Few boards still need auxdata populated before we populate
  * the dev entries in of_platform_populate().
@@ -502,6 +522,9 @@ static struct of_dev_auxdata omap_auxdata_lookup[] __initdata = {
 	OF_DEV_AUXDATA("ti,am4372-wkup-m3", 0x44d00000, "44d00000.wkup_m3",
 		       &wkup_m3_data),
 #endif
+#if IS_ENABLED(CONFIG_OMAP_DM_TIMER)
+	OF_DEV_AUXDATA("ti,omap-dmtimer-pwm", 0, NULL, &pwm_dmtimer_pdata),
+#endif
 #if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5)
 	OF_DEV_AUXDATA("ti,omap4-iommu", 0x4a066000, "4a066000.mmu",
 		       &omap4_iommu_pdata),
-- 
1.9.1