From mboxrd@z Thu Jan 1 00:00:00 1970 From: Geoff Lansberry Subject: [PATCH v3] NFC: trf7970a: Correct register settings for 27MHz clock Date: Thu, 27 Apr 2017 10:41:59 -0400 Message-ID: <1493304119-16605-1-git-send-email-geoff@kuvee.com> Return-path: Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: linux-wireless-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, sameo-VuQAYsv1563Yd54FQh9/CA@public.gmane.org Cc: kernel-janitors-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-nfc-hn68Rpc1hR1g9hUCZPvPmw@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, mgreer-luAo+O/VEmrlveNOaEYElw@public.gmane.org, justin-R+k406RtEhcAvxtiuMwx3w@public.gmane.org, colin.king-Z7WLFzj8eWMS+FvcfC7Uqw@public.gmane.org, wharms-fPG8STNUNVg@public.gmane.org, Geoff Lansberry List-Id: devicetree@vger.kernel.org In prior commits the selected clock frequency does not propagate correctly to what is written the the TRF7970A_MODULATOR_SYS_CLK_CTRL register. Signed-off-by: Geoff Lansberry --- 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 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html