* Marek Belisko <marek@xxxxxxxxxxxxx> [131014 14:11]:
> devconf1 reg access is localized only in mach-omap2 and we need to export
> updating of devconf1 from omapdss venc driver (bypass and acbias bits).
> Add simple api call which update only necessary bits.
...
> +void update_bypass_acbias(bool bypass, bool acbias)
> +{
> +#ifdef CONFIG_ARCH_OMAP3
> + int val = omap_ctrl_readl(OMAP343X_CONTROL_DEVCONF1);
> +
> + if (bypass)
> + val |= OMAP2_TVOUTBYPASS;
> + else
> + val &= ~OMAP2_TVOUTBYPASS;
> +
> + if (acbias)
> + val |= OMAP2_TVACEN;
> + else
> + val &= ~OMAP2_TVACEN;
> +
> + omap_ctrl_writel(val, OMAP343X_CONTROL_DEVCONF1);
> +#endif
If this is truly a pinmux, you could already access this
using pinctrl-single,bits device tree driver.
But I guess that won't work yet, so it's best to set this
up as a separate driver like we've done for the USB PHY
registers.
Regards,
Tony
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