On 11.12.2015 14:07, Chanwoo Choi wrote:
> THis patch adds the bus device tree nodes for both MIF (Memory) and INT
> (Internal) block to enable the bus frequency.
>
> The DMC bus is parent device in MIF block using VDD_MIF and the LEFTBUS
> bus is parent device in INT block using VDD_INT.
>
> Signed-off-by: Chanwoo Choi <cw00.choi@xxxxxxxxxxx>
> [linux.amoon: Tested on Odroid U3]
> Tested-by: Anand Moon <linux.amoon@xxxxxxxxx>
> ---
> arch/arm/boot/dts/exynos4412-odroid-common.dtsi | 47 ++++++++++++++++++++++++
> arch/arm/boot/dts/exynos4412-trats2.dts | 48 +++++++++++++++++++++++++
> 2 files changed, 95 insertions(+)
>
> diff --git a/arch/arm/boot/dts/exynos4412-odroid-common.dtsi b/arch/arm/boot/dts/exynos4412-odroid-common.dtsi
> index 7bd65026761e..b6818aec7cf9 100644
> --- a/arch/arm/boot/dts/exynos4412-odroid-common.dtsi
> +++ b/arch/arm/boot/dts/exynos4412-odroid-common.dtsi
> @@ -501,3 +501,50 @@
> &watchdog {
> status = "okay";
> };
> +
> +&bus_acp {
> + devfreq = <&bus_dmc>;
> + status = "okay";
> +};
I meant put them in proper place, respecting alphabetical order. The 'b'
comes before 'w'.
As for the new nodes (bus_XXX) your previous sorting (first parent, then
passive) was also okay - it had sense. This is up to you. Just put
everything not at the end of file.
Best regards,
Krzysztof
> +
> +&bus_c2c {
> + devfreq = <&bus_dmc>;
> + status = "okay";
> +};
> +
> +&bus_dmc {
> + devfreq-events = <&ppmu_dmc0_3>, <&ppmu_dmc1_3>;
> + vdd-supply = <&buck1_reg>;
> + status = "okay";
> +};
> +
> +&bus_display {
> + devfreq = <&bus_leftbus>;
> + status = "okay";
> +};
> +
> +&bus_fsys {
> + devfreq = <&bus_leftbus>;
> + status = "okay";
> +};
> +
> +&bus_leftbus {
> + devfreq-events = <&ppmu_leftbus_3>, <&ppmu_rightbus_3>;
> + vdd-supply = <&buck3_reg>;
> + status = "okay";
> +};
> +
> +&bus_mfc {
> + devfreq = <&bus_leftbus>;
> + status = "okay";
> +};
> +
> +&bus_peri {
> + devfreq = <&bus_leftbus>;
> + status = "okay";
> +};
> +
> +&bus_rightbus {
> + devfreq = <&bus_leftbus>;
> + status = "okay";
> +};
> diff --git a/arch/arm/boot/dts/exynos4412-trats2.dts b/arch/arm/boot/dts/exynos4412-trats2.dts
> index 92438eb6eec6..0b8aff3b8cb7 100644
> --- a/arch/arm/boot/dts/exynos4412-trats2.dts
> +++ b/arch/arm/boot/dts/exynos4412-trats2.dts
> @@ -1251,3 +1251,51 @@
> vtmu-supply = <&ldo10_reg>;
> status = "okay";
> };
> +
> +&bus_acp {
> + devfreq = <&bus_dmc>;
> + status = "okay";
> +};
> +
> +&bus_c2c {
> + devfreq = <&bus_dmc>;
> + status = "okay";
> +};
> +
> +&bus_dmc {
> + devfreq-events = <&ppmu_dmc0_3>, <&ppmu_dmc1_3>;
> + vdd-supply = <&buck1_reg>;
> + status = "okay";
> +};
> +
> +&bus_display {
> + devfreq = <&bus_leftbus>;
> + status = "okay";
> +};
> +
> +
> +&bus_fsys {
> + devfreq = <&bus_leftbus>;
> + status = "okay";
> +};
> +
> +&bus_leftbus {
> + devfreq-events = <&ppmu_leftbus_3>, <&ppmu_rightbus_3>;
> + vdd-supply = <&buck3_reg>;
> + status = "okay";
> +};
> +
> +&bus_mfc {
> + devfreq = <&bus_leftbus>;
> + status = "okay";
> +};
> +
> +&bus_peri {
> + devfreq = <&bus_leftbus>;
> + status = "okay";
> +};
> +
> +&bus_rightbus {
> + devfreq = <&bus_leftbus>;
> + status = "okay";
> +};
>
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