Re: [PATCH 01/13] clk: tegra: Add binding for the Tegra124 DFLL clocksource

Andrew Bresticker
2014-07-11T16:28:09Z

On Thu, Jul 10, 2014 at 2:42 PM, Tuomas Tynkkynen <ttynkkynen@nvidia.com> wrote:
> The DFLL is the main clocksource for the fast CPU cluster on Tegra124
> and also provides automatic CPU rail voltage scaling as well. The DFLL
> is a separate IP block from the usual Tegra124 clock-and-reset
> controller, so it gets its own node in the device tree.

> diff --git a/Documentation/devicetree/bindings/clock/nvidia,tegra124-dfll.txt b/Documentation/devicetree/bindings/clock/nvidia,tegra124-dfll.txt

> +- nvidia,pmic-voltage-table: Array of 2-tuples. Each entry should have the
> + form <register-value voltage-in-uV>, indicating the register value that
> + needs to be programmed to the PMIC for changing the VDD_CPU voltage to
> + the specified voltage. The table must be in ascending order by the voltage.

Instead of listing the register values for each voltage in the DT,
can't you use regulator_list_voltage() to create this map?