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Date: Tue, 28 Jun 2016 15:56:53 -0500 From: Rob Herring <robh@...nel.org> To: "Reizer, Eyal" <eyalr@...com> Cc: "kvalo@...eaurora.org" <kvalo@...eaurora.org>, "linux-wireless@...r.kernel.org" <linux-wireless@...r.kernel.org>, "netdev@...r.kernel.org" <netdev@...r.kernel.org>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>, "linux-spi@...r.kernel.org" <linux-spi@...r.kernel.org> Subject: Re: [PATCH v4] wlcore: spi: add wl18xx support On Sun, Jun 26, 2016 at 10:10:54AM +0000, Reizer, Eyal wrote: > Add support for using with both wl12xx and wl18xx. > > - all wilink family needs special init command for entering wspi mode. > extra clock cycles should be sent after the spi init command while the > cs pin is high. > - Use inverted chip select for sending a dummy 4 bytes command that > completes the init stage. > > Signed-off-by: Eyal Reizer <eyalr@...com> > --- > v1->v2:update device tree bindings configuration > v2->v3:revert from manual gpio manipulation. use inverted chip select instead > for sending the extra init cycle which, achieves the same hardware purpose. > update device tree bindings docucmentation accordingly > v3->v4: Remove redundant data form binding documentation and fix chip select > number mismatch in wl1271 example > > .../bindings/net/wireless/ti,wlcore,spi.txt | 41 +++++-- Acked-by: Rob Herring <robh@...nel.org> > drivers/net/wireless/ti/wlcore/spi.c | 124 +++++++++++++++++---- > 2 files changed, 137 insertions(+), 28 deletions(-)
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