From mboxrd@z Thu Jan 1 00:00:00 1970 From: mugunthanvnm@ti.com (Mugunthan V N) Date: Thu, 27 Oct 2016 16:50:24 +0530 Subject: [PATCH] drivers: mfd: ti_am335x_tscadc: increase ADC ref clock to 24MHz In-Reply-To: <20161024060226.4170-1-mugunthanvnm@ti.com> References: <20161024060226.4170-1-mugunthanvnm@ti.com> Message-ID: To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Monday 24 October 2016 11:32 AM, Mugunthan V N wrote: > 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. > > Also increase opendelay for touchscreen configuration to > equalize the increase in ADC reference clock frequency, > which results in the same amount touch events reported via > evtest on AM335x GP EVM. > > Signed-off-by: Mugunthan V N Found issues with touchscreen usage with GUI on my AM335x GP EVM. Fixed with change the "ti,charge-delay" DT property based on change in ADC clocks. Will be sending v2 patch soon. Regards Mugunthan V N