On 2013-03-26 15:45, Archit Taneja wrote:
> Increase the DSS_FCLK and DSI_FCLK max supported frequencies, these come because
> some frequencies were increased from OMAP5 ES1 to OMAP5 ES2. We support only
> OMAP5 ES2 in the kernel, so replace the ES1 values with ES2 values. Increase the
> DSI PLL Fint range, this was previously just copied from the OMAP4 param range
> struct.
>
> Fix the maximum DSS_FCLK on OMAP2, it's 133 Mhz according to the TRM.
>
> Signed-off-by: Archit Taneja <archit@xxxxxx>
> ---
> drivers/video/omap2/dss/dss_features.c | 8 ++++----
> 1 file changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/video/omap2/dss/dss_features.c b/drivers/video/omap2/dss/dss_features.c
> index 7f791ae..77dbe0c 100644
> --- a/drivers/video/omap2/dss/dss_features.c
> +++ b/drivers/video/omap2/dss/dss_features.c
> @@ -414,7 +414,7 @@ static const char * const omap5_dss_clk_source_names[] = {
> };
>
> static const struct dss_param_range omap2_dss_param_range[] = {
> - [FEAT_PARAM_DSS_FCK] = { 0, 173000000 },
> + [FEAT_PARAM_DSS_FCK] = { 0, 133000000 },
> [FEAT_PARAM_DSS_PCD] = { 2, 255 },
> [FEAT_PARAM_DSIPLL_REGN] = { 0, 0 },
> [FEAT_PARAM_DSIPLL_REGM] = { 0, 0 },
> @@ -459,15 +459,15 @@ static const struct dss_param_range omap4_dss_param_range[] = {
> };
>
> static const struct dss_param_range omap5_dss_param_range[] = {
> - [FEAT_PARAM_DSS_FCK] = { 0, 200000000 },
> + [FEAT_PARAM_DSS_FCK] = { 0, 209250000 },
> [FEAT_PARAM_DSS_PCD] = { 1, 255 },
> [FEAT_PARAM_DSIPLL_REGN] = { 0, (1 << 8) - 1 },
> [FEAT_PARAM_DSIPLL_REGM] = { 0, (1 << 12) - 1 },
> [FEAT_PARAM_DSIPLL_REGM_DISPC] = { 0, (1 << 5) - 1 },
> [FEAT_PARAM_DSIPLL_REGM_DSI] = { 0, (1 << 5) - 1 },
> - [FEAT_PARAM_DSIPLL_FINT] = { 500000, 2500000 },
> + [FEAT_PARAM_DSIPLL_FINT] = { 150000, 52000000 },
Just a note, I think the PLL FINT range for OMAP3/4 may be wrong also.
Some TRMs mention the FINT range being up to 52MHz or so. I don't think
it's ever very clearly stated, though...
Tomi
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