linux-kernel - Re: [PATCH 3/3] ARM: dts: add rk3288 power-domain node

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Message-ID: <5422C387.9050005@rock-chips.com>
Date:	Wed, 24 Sep 2014 21:13:43 +0800
From:	Kever Yang <kever.yang@...k-chips.com>
To:	Heiko Stübner <heiko@...ech.de>,
	"jinkun.hong" <jinkun.hong@...k-chips.com>
CC:	Mark Rutland <mark.rutland@....com>, devicetree@...r.kernel.org,
	Russell King <linux@....linux.org.uk>,
	Pawel Moll <pawel.moll@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Randy Dunlap <rdunlap@...radead.org>,
	linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-rockchip@...ts.infradead.org,
	Rob Herring <robh+dt@...nel.org>,
	Wang Caesar <caesar.wang@...k-chips.com>,
	Kumar Gala <galak@...eaurora.org>,
	Grant Likely <grant.likely@...aro.org>,
	Jack Dai <jack.dai@...k-chips.com>,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 3/3] ARM: dts: add rk3288 power-domain node

Heiko,

On 09/24/2014 01:52 AM, Heiko Stübner wrote:
> Am Montag, 22. September 2014, 19:55:16 schrieb jinkun.hong:
>> From: "jinkun.hong" <jinkun.hong@...k-chips.com>
>>
>> Signed-off-by: Jack Dai <jack.dai@...k-chips.com>
>> Signed-off-by: Wang Caesar <caesar.wang@...k-chips.com>
>> Signed-off-by: jinkun.hong <jinkun.hong@...k-chips.com>
>>
>> ---
>>
>>   arch/arm/boot/dts/rk3288.dtsi |   45
>> +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 45 insertions(+)
>>
>> diff --git a/arch/arm/boot/dts/rk3288.dtsi b/arch/arm/boot/dts/rk3288.dtsi
>> index 3bb5230..714b9d9 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"
>>
>>   / {
>> @@ -467,6 +468,50 @@
>>   		compatible = "rockchip,rk3288-pmu", "syscon";
>>   		reg = <0xff730000 0x100>;
>>   	};
> missing blank line here
>
> Also please mind the ordering. We have the nodes without registers (like the
> pinctrl) at the bottom, so maybe add the power-controller alphabetically after
> the pinctrl node.
>
>> +	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_vio {
>> +			reg = <RK3288_PD_VIO>;
>> +			clocks = <&cru HCLK_RGA>, <&cru HCLK_VOP0>,
>> +				<&cru HCLK_VOP1>, <&cru HCLK_VIO_AHB_ARBI>,
>> +				<&cru HCLK_VIO_NIU>, <&cru HCLK_VIP>,
>> +				<&cru HCLK_IEP>, <&cru HCLK_ISP>,
>> +				<&cru HCLK_VIO2_H2P>, <&cru PCLK_MIPI_DSI0>,
>> +				<&cru PCLK_MIPI_DSI1>, <&cru PCLK_MIPI_CSI>,
>> +				<&cru PCLK_LVDS_PHY>, <&cru PCLK_EDP_CTRL>,
>> +				<&cru PCLK_HDMI_CTRL>, <&cru PCLK_VIO2_H2P>,
>> +				<&cru ACLK_VOP0>, <&cru ACLK_IEP>,
>> +				<&cru ACLK_VIO0_NIU>, <&cru ACLK_VIP>,
>> +				<&cru ACLK_VOP1>, <&cru ACLK_ISP>,
>> +				<&cru ACLK_VIO1_NIU>, <&cru ACLK_RGA>,
>> +				<&cru ACLK_RGA_NIU>,<&cru SCLK_RGA>,
>> +				<&cru DCLK_VOP0>, <&cru DCLK_VOP1>,
>> +				<&cru SCLK_EDP_24M>, <&cru SCLK_EDP>,
>> +				<&cru SCLK_ISP>, <&cru SCLK_ISP_JPE>,
>> +				<&cru SCLK_HDMI_HDCP>, <&cru SCLK_HDMI_CEC>;
>> +		};
>> +
>> +		pd_video {
>> +			reg = <RK3288_PD_VIDEO>;
>> +			/* FIXME: add clocks */
> what is missing for these clocks? If it's just more clock ids, please
> corrdinate with Kever
The clock tree in PD_VIDEO is not complete, maybe because the
MUX which should be set from GRF_SOC_CON0[7].

I will handle this in my patch.

BR
-Kever

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