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From: Mugunthan V N <mugunthanvnm@ti.com>
To: <linux-input@vger.kernel.org>
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>,
	Jonathan Cameron <jic23@kernel.org>,
	Rob Herring <robh+dt@kernel.org>,
	Mark Rutland <mark.rutland@arm.com>,
	Lee Jones <lee.jones@linaro.org>, Sekhar Nori <nsekhar@ti.com>,
	Vignesh R <vigneshr@ti.com>, <devicetree@vger.kernel.org>,
	<linux-omap@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
	Mugunthan V N <mugunthanvnm@ti.com>
Subject: [PATCH v2 3/3] drivers: mfd: ti_am335x_tscadc: increase ADC ref clock to 24MHz
Date: Fri, 11 Nov 2016 13:28:38 +0530	[thread overview]
Message-ID: <20161111075838.5815-1-mugunthanvnm@ti.com> (raw)
In-Reply-To: <20161110163515.27598-1-mugunthanvnm@ti.com>

Increase ADC reference clock from 3MHz to 24MHz so that the
sampling rates goes up from 100K samples per second to 800K
samples per second on AM335x and AM437x SoC.

Signed-off-by: Mugunthan V N <mugunthanvnm@ti.com>
---
 include/linux/mfd/ti_am335x_tscadc.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/mfd/ti_am335x_tscadc.h b/include/linux/mfd/ti_am335x_tscadc.h
index b9a53e013bff..f6c449b96ea5 100644
--- a/include/linux/mfd/ti_am335x_tscadc.h
+++ b/include/linux/mfd/ti_am335x_tscadc.h
@@ -137,7 +137,7 @@
 #define SEQ_STATUS BIT(5)
 #define CHARGE_STEP		0x11
 
-#define ADC_CLK			3000000
+#define ADC_CLK			24000000
 #define TOTAL_STEPS		16
 #define TOTAL_CHANNELS		8
 #define FIFO1_THRESHOLD		19
-- 
2.11.0.rc0.7.gbe5a750

  parent reply	other threads:[~2016-11-12 23:51 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-11-10 16:35 [PATCH v2 0/3] increase TSCADC clock to 24MHz and fix ti,charge-delay to represent in nS Mugunthan V N
2016-11-10 16:35 ` [PATCH v2 1/3] dt/binding: ti-tsc-adc: deprecate ti,charge-delay and add binding doc for ti,charge-delay-ns Mugunthan V N
2016-11-15  1:54   ` Rob Herring
2016-11-11  7:58 ` [PATCH v2 2/3] Input: ti_am335x_tsc: Add support " Mugunthan V N
2016-11-29 21:09   ` Dmitry Torokhov
2016-11-11  7:58 ` Mugunthan V N [this message]
2016-11-22 13:04   ` [PATCH v2 3/3] drivers: mfd: ti_am335x_tscadc: increase ADC ref clock to 24MHz Lee Jones
2016-11-25  4:57 ` [PATCH v2 0/3] increase TSCADC clock to 24MHz and fix ti,charge-delay to represent in nS Mugunthan V N
2016-11-25  9:59   ` Lee Jones
2016-11-29  5:41     ` Mugunthan V N
2016-11-29 21:09       ` Dmitry Torokhov
2016-12-05  3:54         ` Mugunthan V N

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