* [PATCH v4] NFC: trf7970a: Correct register settings for 27MHz clock
@ 2017-04-27 21:28 Geoff Lansberry
[not found] ` <1493328526-28395-1-git-send-email-geoff-R+k406RtEhcAvxtiuMwx3w@public.gmane.org>
2017-06-28 7:23 ` Samuel Ortiz
0 siblings, 2 replies; 3+ messages in thread
From: Geoff Lansberry @ 2017-04-27 21:28 UTC (permalink / raw)
To: linux-wireless, sameo
Cc: kernel-janitors, linux-kernel, linux-nfc, devicetree, mgreer,
justin, colin.king, wharms, Geoff Lansberry
In prior commits the selected clock frequency does not propagate
correctly to what is written to the TRF7970A_MODULATOR_SYS_CLK_CTRL
register.
Signed-off-by: Geoff Lansberry <geoff@kuvee.com>
---
drivers/nfc/trf7970a.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/drivers/nfc/trf7970a.c b/drivers/nfc/trf7970a.c
index 6ed5d7e..f7fee7d 100644
--- a/drivers/nfc/trf7970a.c
+++ b/drivers/nfc/trf7970a.c
@@ -2067,6 +2067,13 @@ static int trf7970a_probe(struct spi_device *spi)
return -EINVAL;
}
+ if (clk_freq == TRF7970A_27MHZ_CLOCK_FREQUENCY) {
+ trf->modulator_sys_clk_ctrl = TRF7970A_MODULATOR_27MHZ;
+ dev_dbg(trf->dev, "trf7970a configured for 27MHz crystal\n");
+ } else {
+ trf->modulator_sys_clk_ctrl = 0;
+ }
+
ret = devm_request_threaded_irq(trf->dev, spi->irq, NULL,
trf7970a_irq,
IRQF_TRIGGER_RISING | IRQF_ONESHOT,
--
2.7.4
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH v4] NFC: trf7970a: Correct register settings for 27MHz clock
[not found] ` <1493328526-28395-1-git-send-email-geoff-R+k406RtEhcAvxtiuMwx3w@public.gmane.org>
@ 2017-04-28 0:28 ` Mark Greer
0 siblings, 0 replies; 3+ messages in thread
From: Mark Greer @ 2017-04-28 0:28 UTC (permalink / raw)
To: Geoff Lansberry
Cc: linux-wireless-u79uwXL29TY76Z2rM5mHXA,
sameo-VuQAYsv1563Yd54FQh9/CA,
kernel-janitors-u79uwXL29TY76Z2rM5mHXA,
linux-kernel-u79uwXL29TY76Z2rM5mHXA,
linux-nfc-hn68Rpc1hR1g9hUCZPvPmw,
devicetree-u79uwXL29TY76Z2rM5mHXA, mgreer-luAo+O/VEmrlveNOaEYElw,
justin-R+k406RtEhcAvxtiuMwx3w, colin.king-Z7WLFzj8eWMS+FvcfC7Uqw,
wharms-fPG8STNUNVg
On Thu, Apr 27, 2017 at 05:28:46PM -0400, Geoff Lansberry wrote:
> In prior commits the selected clock frequency does not propagate
> correctly to what is written to the TRF7970A_MODULATOR_SYS_CLK_CTRL
> register.
>
> Signed-off-by: Geoff Lansberry <geoff-R+k406RtEhcAvxtiuMwx3w@public.gmane.org>
> ---
Acked-by: Mark Greer <mgreer-luAo+O/VEmrlveNOaEYElw@public.gmane.org>
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^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH v4] NFC: trf7970a: Correct register settings for 27MHz clock
2017-04-27 21:28 [PATCH v4] NFC: trf7970a: Correct register settings for 27MHz clock Geoff Lansberry
[not found] ` <1493328526-28395-1-git-send-email-geoff-R+k406RtEhcAvxtiuMwx3w@public.gmane.org>
@ 2017-06-28 7:23 ` Samuel Ortiz
1 sibling, 0 replies; 3+ messages in thread
From: Samuel Ortiz @ 2017-06-28 7:23 UTC (permalink / raw)
To: Geoff Lansberry
Cc: linux-wireless, linux-kernel, linux-nfc, devicetree, mgreer,
colin.king, justin
Hi Geoff,
On Thu, Apr 27, 2017 at 05:28:46PM -0400, Geoff Lansberry wrote:
> In prior commits the selected clock frequency does not propagate
> correctly to what is written to the TRF7970A_MODULATOR_SYS_CLK_CTRL
> register.
>
> Signed-off-by: Geoff Lansberry <geoff@kuvee.com>
> ---
> drivers/nfc/trf7970a.c | 7 +++++++
> 1 file changed, 7 insertions(+)
Applied to nfc-next, thanks.
Cheers,
Samuel.
^ permalink raw reply [flat|nested] 3+ messages in thread
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2017-04-27 21:28 [PATCH v4] NFC: trf7970a: Correct register settings for 27MHz clock Geoff Lansberry
[not found] ` <1493328526-28395-1-git-send-email-geoff-R+k406RtEhcAvxtiuMwx3w@public.gmane.org>
2017-04-28 0:28 ` Mark Greer
2017-06-28 7:23 ` Samuel Ortiz
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