On Fri, Jun 02, 2017 at 06:10:17PM +0800, Chen-Yu Tsai wrote: > On the A31, the HDMI DDC block is different from the one in the > other SoCs. As far as the DDC clock goes, it has no pre-divider, > as it is clocked from a slower parent clock, not the TMDS clock. > The divider offset from the register value is different. And the > clock control register is at a different offset. > > This patch adds support for this variant. > > Signed-off-by: Chen-Yu Tsai <w...@csie.org> > --- > drivers/gpu/drm/sun4i/sun4i_hdmi.h | 1 + > drivers/gpu/drm/sun4i/sun4i_hdmi_ddc_clk.c | 11 +++++++++++ > 2 files changed, 12 insertions(+) > > diff --git a/drivers/gpu/drm/sun4i/sun4i_hdmi.h > b/drivers/gpu/drm/sun4i/sun4i_hdmi.h > index 08c514672fd3..c39c2a245339 100644 > --- a/drivers/gpu/drm/sun4i/sun4i_hdmi.h > +++ b/drivers/gpu/drm/sun4i/sun4i_hdmi.h > @@ -178,6 +178,7 @@ struct sun4i_hdmi { > }; > > int sun4i_ddc_create(struct sun4i_hdmi *hdmi, struct clk *clk); > +int sun6i_ddc_create(struct sun4i_hdmi *hdmi, struct clk *clk); > int sun4i_tmds_create(struct sun4i_hdmi *hdmi); > int sun6i_tmds_create(struct sun4i_hdmi *hdmi); > > diff --git a/drivers/gpu/drm/sun4i/sun4i_hdmi_ddc_clk.c > b/drivers/gpu/drm/sun4i/sun4i_hdmi_ddc_clk.c > index 9a6b6243e977..b1395e7b242c 100644 > --- a/drivers/gpu/drm/sun4i/sun4i_hdmi_ddc_clk.c > +++ b/drivers/gpu/drm/sun4i/sun4i_hdmi_ddc_clk.c > @@ -151,3 +151,14 @@ int sun4i_ddc_create(struct sun4i_hdmi *hdmi, struct clk > *parent) > { > return _sun4i_ddc_create(hdmi, parent, &sun4i_variant); > } > + > +static const struct sun4i_ddc_variant sun6i_variant = { > + .reg_offset = SUN6I_HDMI_DDC_CLK_REG,
This one should be handled through a regmap_field. Maxime -- Maxime Ripard, Free Electrons Embedded Linux and Kernel engineering http://free-electrons.com -- You received this message because you are subscribed to the Google Groups "linux-sunxi" group. To unsubscribe from this group and stop receiving emails from it, send an email to linux-sunxi+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
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