Re: [PATCH v1 3/8] clk: renesas: r8a779g0: Add display related clocks

From: Laurent Pinchart
Date: Mon Nov 21 2022 - 21:52:46 EST


On Thu, Nov 17, 2022 at 02:08:57PM +0000, Kieran Bingham wrote:
> Quoting Tomi Valkeinen (2022-11-17 12:25:42)
> > From: Tomi Valkeinen <tomi.valkeinen+renesas@xxxxxxxxxxxxxxxx>
> >
> > Add clocks related to display which are needed to get the DSI output
> > working.
> >
> > Extracted from Renesas BSP tree.
> >
> > Signed-off-by: Tomi Valkeinen <tomi.valkeinen+renesas@xxxxxxxxxxxxxxxx>
> > ---
> > drivers/clk/renesas/r8a779g0-cpg-mssr.c | 14 ++++++++++++++
> > 1 file changed, 14 insertions(+)
> >
> > diff --git a/drivers/clk/renesas/r8a779g0-cpg-mssr.c b/drivers/clk/renesas/r8a779g0-cpg-mssr.c
> > index c6337a408e5e..6937f1aee677 100644
> > --- a/drivers/clk/renesas/r8a779g0-cpg-mssr.c
> > +++ b/drivers/clk/renesas/r8a779g0-cpg-mssr.c
> > @@ -145,6 +145,8 @@ static const struct cpg_core_clk r8a779g0_core_clks[] __initconst = {
> > DEF_FIXED("viobusd2", R8A779G0_CLK_VIOBUSD2, CLK_VIO, 2, 1),
> > DEF_FIXED("vcbus", R8A779G0_CLK_VCBUS, CLK_VC, 1, 1),
> > DEF_FIXED("vcbusd2", R8A779G0_CLK_VCBUSD2, CLK_VC, 2, 1),
> > + DEF_FIXED("dsiref", R8A779G0_CLK_DSIREF, CLK_PLL5_DIV4, 48, 1),
> > + DEF_DIV6P1("dsiext", R8A779G0_CLK_DSIEXT, CLK_PLL5_DIV4, 0x884),
> >
> > DEF_GEN4_SDH("sd0h", R8A779G0_CLK_SD0H, CLK_SDSRC, 0x870),
> > DEF_GEN4_SD("sd0", R8A779G0_CLK_SD0, R8A779G0_CLK_SD0H, 0x870),
> > @@ -161,6 +163,14 @@ static const struct mssr_mod_clk r8a779g0_mod_clks[] __initconst = {
> > DEF_MOD("avb0", 211, R8A779G0_CLK_S0D4_HSC),
> > DEF_MOD("avb1", 212, R8A779G0_CLK_S0D4_HSC),
> > DEF_MOD("avb2", 213, R8A779G0_CLK_S0D4_HSC),
> > +
> > + DEF_MOD("dis0", 411, R8A779G0_CLK_S0D3),
>
> dsi0?
>
> Oh - how curious - it's listed as dis0 in the datasheet.
> Ok - so this is the DU *display* not DSI ;-)
>
> > + DEF_MOD("dsitxlink0", 415, R8A779G0_CLK_DSIREF),
> > + DEF_MOD("dsitxlink1", 416, R8A779G0_CLK_DSIREF),
> > +
> > + DEF_MOD("fcpvd0", 508, R8A779G0_CLK_S0D3),
> > + DEF_MOD("fcpvd1", 509, R8A779G0_CLK_S0D3),
> > +
>
> checks out. I guess the fcpcs is the CSI related FCP ? Anyway, if it's
> not needed it can be ignored for now.
>
>
> > DEF_MOD("hscif0", 514, R8A779G0_CLK_SASYNCPERD1),
> > DEF_MOD("hscif1", 515, R8A779G0_CLK_SASYNCPERD1),
> > DEF_MOD("hscif2", 516, R8A779G0_CLK_SASYNCPERD1),
> > @@ -193,6 +203,10 @@ static const struct mssr_mod_clk r8a779g0_mod_clks[] __initconst = {
> > DEF_MOD("tmu3", 716, R8A779G0_CLK_SASYNCPERD2),
> > DEF_MOD("tmu4", 717, R8A779G0_CLK_SASYNCPERD2),
> > DEF_MOD("tpu0", 718, R8A779G0_CLK_SASYNCPERD4),
> > +
> > + DEF_MOD("vspd0", 830, R8A779G0_CLK_S0D1_VIO),
> > + DEF_MOD("vspd1", 831, R8A779G0_CLK_S0D1_VIO),
> > +
>
> Reviewed-by: Kieran Bingham <kieran.bingham+renesas@xxxxxxxxxxxxxxxx>

I can't verify the MSTP clock parents, I assume they come from the BSP,
so

Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>

> > DEF_MOD("wdt1:wdt0", 907, R8A779G0_CLK_R),
> > DEF_MOD("cmt0", 910, R8A779G0_CLK_R),
> > DEF_MOD("cmt1", 911, R8A779G0_CLK_R),

--
Regards,

Laurent Pinchart