From mboxrd@z Thu Jan 1 00:00:00 1970 From: matthias.bgg@gmail.com (Matthias Brugger) Date: Thu, 11 Aug 2016 17:44:27 +0200 Subject: [PATCH v4 9/9] arm64: dts: mediatek: Add Video Decoder for MT8173 In-Reply-To: <1470840534-4788-10-git-send-email-tiffany.lin@mediatek.com> References: <1470840534-4788-1-git-send-email-tiffany.lin@mediatek.com> <1470840534-4788-2-git-send-email-tiffany.lin@mediatek.com> <1470840534-4788-3-git-send-email-tiffany.lin@mediatek.com> <1470840534-4788-4-git-send-email-tiffany.lin@mediatek.com> <1470840534-4788-5-git-send-email-tiffany.lin@mediatek.com> <1470840534-4788-6-git-send-email-tiffany.lin@mediatek.com> <1470840534-4788-7-git-send-email-tiffany.lin@mediatek.com> <1470840534-4788-8-git-send-email-tiffany.lin@mediatek.com> <1470840534-4788-9-git-send-email-tiffany.lin@mediatek.com> <1470840534-4788-10-git-send-email-tiffany.lin@mediatek.com> Message-ID: To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 10/08/16 16:48, Tiffany Lin wrote: > Add video decoder node for MT8173 > > Signed-off-by: Tiffany Lin > --- > arch/arm64/boot/dts/mediatek/mt8173.dtsi | 44 ++++++++++++++++++++++++++++++ > 1 file changed, 44 insertions(+) > > diff --git a/arch/arm64/boot/dts/mediatek/mt8173.dtsi b/arch/arm64/boot/dts/mediatek/mt8173.dtsi > index 10f638f..2872cd7 100644 > --- a/arch/arm64/boot/dts/mediatek/mt8173.dtsi > +++ b/arch/arm64/boot/dts/mediatek/mt8173.dtsi > @@ -974,6 +974,50 @@ > #clock-cells = <1>; > }; > > + vcodec_dec: vcodec at 16000000 { > + compatible = "mediatek,mt8173-vcodec-dec"; > + reg = <0 0x16000000 0 0x100>, /* VDEC_SYS */ > + <0 0x16020000 0 0x1000>, /* VDEC_MISC */ > + <0 0x16021000 0 0x800>, /* VDEC_LD */ > + <0 0x16021800 0 0x800>, /* VDEC_TOP */ > + <0 0x16022000 0 0x1000>, /* VDEC_CM */ > + <0 0x16023000 0 0x1000>, /* VDEC_AD */ > + <0 0x16024000 0 0x1000>, /* VDEC_AV */ > + <0 0x16025000 0 0x1000>, /* VDEC_PP */ > + <0 0x16026800 0 0x800>, /* VDEC_HWD */ > + <0 0x16027000 0 0x800>, /* VDEC_HWQ */ > + <0 0x16027800 0 0x800>, /* VDEC_HWB */ > + <0 0x16028400 0 0x400>; /* VDEC_HWG */ > + interrupts = ; > + mediatek,larb = <&larb1>; > + iommus = <&iommu M4U_PORT_HW_VDEC_MC_EXT>, > + <&iommu M4U_PORT_HW_VDEC_PP_EXT>, > + <&iommu M4U_PORT_HW_VDEC_AVC_MV_EXT>, > + <&iommu M4U_PORT_HW_VDEC_PRED_RD_EXT>, > + <&iommu M4U_PORT_HW_VDEC_PRED_WR_EXT>, > + <&iommu M4U_PORT_HW_VDEC_UFO_EXT>, > + <&iommu M4U_PORT_HW_VDEC_VLD_EXT>, > + <&iommu M4U_PORT_HW_VDEC_VLD2_EXT>; > + mediatek,vpu = <&vpu>; > + power-domains = <&scpsys MT8173_POWER_DOMAIN_VDEC>; > + clocks = <&apmixedsys CLK_APMIXED_VCODECPLL>, > + <&topckgen CLK_TOP_UNIVPLL_D2>, > + <&topckgen CLK_TOP_CCI400_SEL>, > + <&topckgen CLK_TOP_VDEC_SEL>, > + <&topckgen CLK_TOP_VCODECPLL>, > + <&apmixedsys CLK_APMIXED_VENCPLL>, > + <&topckgen CLK_TOP_VENC_LT_SEL>, > + <&topckgen CLK_TOP_VCODECPLL_370P5>; > + clock-names = "vcodecpll", > + "univpll_d2", > + "clk_cci400_sel", > + "vdec_sel", > + "vdecpll", > + "vencpll", > + "venc_lt_sel", > + "vdec_bus_clk_src"; > + }; > + Shouldn't we set here: status = "disabled"; To save power on headless systems? Regards, Matthias > larb1: larb at 16010000 { > compatible = "mediatek,mt8173-smi-larb"; > reg = <0 0x16010000 0 0x1000>; >