[PATCH v12 3/3] ARM: dts: add rk3288 power-domain node
Heiko Stübner
heiko at sntech.de
Fri Nov 28 01:01:41 PST 2014
please ignore this and the previous mail - I accidentially hit a wrong button.
Sorry for the noise
Heiko
Am Freitag, 28. November 2014, 09:57:47 schrieb Heiko Stübner:
> Hi Caesar,
>
> Am Montag, 17. November 2014, 17:50:41 schrieb Caesar Wang:
> > This patch add the needed clocks into power-controller.
> >
> > why need we do so that?
> >
> > Firstly, we always be needed turn off clocks to save power when
> > the system enter suspend.So we need to enumerate the clocks are needed
> > to switch power doamin no and off.
> >
> > Secondly, Rk3288 reset circuit should be syncchronous reset and
> > then sync revoked.so we need to enable clocks of all devices.
> >
> > Signed-off-by: Jack Dai <jack.dai at rock-chips.com>
> > Signed-off-by: jinkun.hong <jinkun.hong at rock-chips.com>
> > Signed-off-by: Caesar Wang <caesar.wang at rock-chips.com>
> >
> > ---
> >
> > Changes in v12:
> > - Remove essential clocks from rk3288 PD_VIO domain,
> >
> > Some clocks are essential for the system health and should not be
> > turned down. However there is no owner for them so if they listed as
> > belonging to power domain we'll try toggling them up and down during
> > power domain transition. As a result we either fail to suspend or
> >
> > resume the system.
> >
> > Changes in v11: None
> >
> > Changes in v10:
> > - fix missing the #include <dt-bindings/power-domain/rk3288.h>
> > - remove the notes
> >
> > Changes in v9:
> > - add decription for power-doamin node
> >
> > Changes in v8:
> > - DTS go back to v2
> >
> > Changes in v7: None
> > Changes in v6: None
> > Changes in v5: None
> > Changes in v4: None
> >
> > Changes in v3:
> > - Decomposition power-controller, changed to multiple controller
> > (gpu-power-controller, hevc-power-controller)
> >
> > Changes in v2:
> > - make pd_vio clocks all one entry per line and alphabetize.
> > - power: power-controller move back to pinctrl: pinctrl.
> >
> > arch/arm/boot/dts/rk3288.dtsi | 59
> >
> > +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 59
> > insertions(+)
> >
> > diff --git a/arch/arm/boot/dts/rk3288.dtsi b/arch/arm/boot/dts/rk3288.dtsi
> > index cb18bb4..d9cd8c0 100644
> > --- a/arch/arm/boot/dts/rk3288.dtsi
> > +++ b/arch/arm/boot/dts/rk3288.dtsi
> > @@ -15,6 +15,7 @@
> >
> > #include <dt-bindings/interrupt-controller/arm-gic.h>
> > #include <dt-bindings/pinctrl/rockchip.h>
> > #include <dt-bindings/clock/rk3288-cru.h>
> >
> > +#include <dt-bindings/power-domain/rk3288.h>
> >
> > #include "skeleton.dtsi"
> >
> > / {
> >
> > @@ -989,4 +990,62 @@
> >
> > };
> >
> > };
> >
> > };
> >
> > +
> > + power: power-controller {
> > + compatible = "rockchip,rk3288-power-controller";
> > + #power-domain-cells = <1>;
> > + rockchip,pmu = <&pmu>;
> > + #address-cells = <1>;
> > + #size-cells = <0>;
> > +
> > + pd_gpu {
> > + reg = <RK3288_PD_GPU>;
> > + clocks = <&cru ACLK_GPU>;
> > + };
> > +
> > + pd_hevc {
> > + reg = <RK3288_PD_HEVC>;
> > + clocks = <&cru ACLK_HEVC>,
> > + <&cru SCLK_HEVC_CABAC>,
> > + <&cru SCLK_HEVC_CORE>,
> > + <&cru HCLK_HEVC>;
> > + };
> > +
> > + pd_vio {
> > + reg = <RK3288_PD_VIO>;
> > + clocks = <&cru ACLK_IEP>,
> > + <&cru ACLK_ISP>,
> > + <&cru ACLK_RGA>,
> > + <&cru ACLK_VIP>,
> > + <&cru ACLK_VOP0>,
> > + <&cru ACLK_VOP1>,
> > + <&cru DCLK_VOP0>,
> > + <&cru DCLK_VOP1>,
> > + <&cru HCLK_IEP>,
> > + <&cru HCLK_ISP>,
> > + <&cru HCLK_RGA>,
> > + <&cru HCLK_VIP>,
> > + <&cru HCLK_VOP0>,
> > + <&cru HCLK_VOP1>,
> > + <&cru PCLK_EDP_CTRL>,
> > + <&cru PCLK_HDMI_CTRL>,
> > + <&cru PCLK_LVDS_PHY>,
> > + <&cru PCLK_MIPI_CSI>,
> > + <&cru PCLK_MIPI_DSI0>,
> > + <&cru PCLK_MIPI_DSI1>,
> > + <&cru SCLK_EDP_24M>,
> > + <&cru SCLK_EDP>,
> > + <&cru SCLK_HDMI_CEC>,
> > + <&cru SCLK_HDMI_HDCP>,
> > + <&cru SCLK_ISP_JPE>,
> > + <&cru SCLK_ISP>,
> > + <&cru SCLK_RGA>;
> > + };
> > +
> > + pd_video {
> > + reg = <RK3288_PD_VIDEO>;
> > + clocks = <&cru ACLK_VCODEC>,
> > + <&cru HCLK_VCODEC>;
> > + };
> > + };
> >
> > };
More information about the Linux-rockchip
mailing list