Adding LAKML. Jon
On 03/06/15 12:43, Jon Hunter wrote:
> Add the device-tree DFLL clock node and CPU regulator phandle for
> tegra124 chromebooks to enable CPUFreq support on these boards.
>
> Signed-off-by: Jon Hunter <jonathanh@xxxxxxxxxx>
>
> ---
> This has been tested on a tegra124 nyan-big by using the userspace
> CPUFreq governor with a simple CPU benchmark to measure the time taken
> for the test to execute.
>
> The tegra124 chromebooks use the same ams,as3722 PMIC as the Jetson TK1
> board and hence, this change is based upon that for the Jetson TK1.
>
> arch/arm/boot/dts/tegra124-nyan.dtsi | 15 ++++++++++++++-
> 1 file changed, 14 insertions(+), 1 deletion(-)
>
> diff --git a/arch/arm/boot/dts/tegra124-nyan.dtsi b/arch/arm/boot/dts/tegra124-nyan.dtsi
> index a9aec23e06f2..40c23a0b7cfc 100644
> --- a/arch/arm/boot/dts/tegra124-nyan.dtsi
> +++ b/arch/arm/boot/dts/tegra124-nyan.dtsi
> @@ -159,7 +159,7 @@
> vin-ldo9-10-supply = <&vdd_5v0_sys>;
> vin-ldo11-supply = <&vdd_3v3_run>;
>
> - sd0 {
> + vdd_cpu: sd0 {
> regulator-name = "+VDD_CPU_AP";
> regulator-min-microvolt = <700000>;
> regulator-max-microvolt = <1350000>;
> @@ -397,6 +397,13 @@
> non-removable;
> };
>
> + /* CPU DFLL clock */
> + clock@0,70110000 {
> + status = "okay";
> + vdd-cpu-supply = <&vdd_cpu>;
> + nvidia,i2c-fs-rate = <400000>;
> + };
> +
> ahub@0,70300000 {
> i2s@0,70301100 {
> status = "okay";
> @@ -487,6 +494,12 @@
> };
> };
>
> + cpus {
> + cpu@0 {
> + vdd-cpu-supply = <&vdd_cpu>;
> + };
> + };
> +
> gpio-keys {
> compatible = "gpio-keys";
>
>
--
To unsubscribe from this list: send the line "unsubscribe linux-tegra" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
