[PATCH v2 1/9] arm64: dts: rockchip: add eMMC's power domain support for rk3399
Heiko Stuebner
heiko at sntech.de
Mon Nov 14 06:45:20 PST 2016
Am Mittwoch, 9. November 2016, 21:21:53 CET schrieb Caesar Wang:
> From: Ziyuan Xu <xzy.xu at rock-chips.com>
>
> Control power domain for eMMC via genpd to reduce power consumption.
>
> Signed-off-by: Elaine Zhang <zhangqing at rock-chips.com>
> Signed-off-by: Ziyuan Xu <xzy.xu at rock-chips.com>
> Signed-off-by: Caesar Wang <wxt at rock-chips.com>
Authorship / Signed-off mismatch. From above suggest Ziyuan is the author
while first Signed-off-by indicates Elaine as author. Please clarify.
Thanks
Heiko
> ---
>
> Changes in v2:
> - Reviewed-on: https://chromium-review.googlesource.com/376558
> - Verified on ChromeOS kernel4.4
>
> arch/arm64/boot/dts/rockchip/rk3399.dtsi | 11 +++++++++++
> 1 file changed, 11 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/rockchip/rk3399.dtsi
> b/arch/arm64/boot/dts/rockchip/rk3399.dtsi index cbb7f8b..b401176 100644
> --- a/arch/arm64/boot/dts/rockchip/rk3399.dtsi
> +++ b/arch/arm64/boot/dts/rockchip/rk3399.dtsi
> @@ -269,6 +269,7 @@
> #clock-cells = <0>;
> phys = <&emmc_phy>;
> phy-names = "phy_arasan";
> + power-domains = <&power RK3399_PD_EMMC>;
> status = "disabled";
> };
>
> @@ -690,6 +691,11 @@
> status = "disabled";
> };
>
> + qos_emmc: qos at ffa58000 {
> + compatible = "syscon";
> + reg = <0x0 0xffa58000 0x0 0x20>;
> + };
> +
> qos_gmac: qos at ffa5c000 {
> compatible = "syscon";
> reg = <0x0 0xffa5c000 0x0 0x20>;
> @@ -823,6 +829,11 @@
> };
>
> /* These power domains are grouped by VD_LOGIC */
> + pd_emmc at RK3399_PD_EMMC {
> + reg = <RK3399_PD_EMMC>;
> + clocks = <&cru ACLK_EMMC>;
> + pm_qos = <&qos_emmc>;
> + };
> pd_gmac at RK3399_PD_GMAC {
> reg = <RK3399_PD_GMAC>;
> clocks = <&cru ACLK_GMAC>;
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