On 03/06/15 12:44, Jon Hunter wrote:
> 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";
Stephen, Thierry,
Are you ok with this change?
Jon
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