On Fri, Sep 07, 2018 at 05:50:52PM +0300, Laurent Pinchart wrote: > On Friday, 7 September 2018 11:56:23 EEST Maxime Ripard wrote: > > On Wed, Sep 05, 2018 at 04:43:57PM +0300, Laurent Pinchart wrote: > > >> The current set of parameters should cover all the potential users. > > >> > > >> Signed-off-by: Maxime Ripard <maxime.ripard@xxxxxxxxxxx> > > >> --- > > >> > > >> include/linux/phy/phy-mipi-dphy.h | 241 ++++++++++++++++++++++++++++++- > > >> include/linux/phy/phy.h | 6 +- > > >> 2 files changed, 247 insertions(+) > > >> create mode 100644 include/linux/phy/phy-mipi-dphy.h > > >> > > >> diff --git a/include/linux/phy/phy-mipi-dphy.h > > >> b/include/linux/phy/phy-mipi-dphy.h new file mode 100644 > > >> index 000000000000..792724145290 > > >> --- /dev/null > > >> +++ b/include/linux/phy/phy-mipi-dphy.h > > >> @@ -0,0 +1,241 @@ > > >> +/* SPDX-License-Identifier: GPL-2.0 */ > > >> +/* > > >> + * Copyright (C) 2018 Cadence Design Systems Inc. > > >> + */ > > >> + > > >> +#ifndef __PHY_MIPI_DPHY_H_ > > >> +#define __PHY_MIPI_DPHY_H_ > > >> + > > >> +#include <video/videomode.h> > > >> + > > >> +/** > > >> + * struct phy_configure_opts_mipi_dphy - MIPI D-PHY configuration set > > >> + * > > >> + * This structure is used to represent the configuration state of a > > >> + * MIPI D-PHY phy. > > > > > > Shouldn't we split the RX and TX parameters in two structures ? > > > > Are they different? As far as I understood it, both were having the > > same parameters. > > clk_miss, for instance, is a receiver parameter, while clk_post is a > transmitter parameter. There are relationships between the transmitter and > receiver parameters in the sense that they have to be compatible, and we may > want to compute one set of parameters based on the other one, but I think they > target RX and TX separately. That would require however to have to fill a structure in the consumer whose sole purpose would be to validate things in the phy framework. That looks quite weird from an API point-of-view. Maxime -- Maxime Ripard, Bootlin Embedded Linux and Kernel engineering https://bootlin.com
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