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Fri, 31 Mar 2023 03:56:34 -0700 (PDT) Received: from [192.168.2.177] ([207.188.167.132]) by smtp.gmail.com with ESMTPSA id q3-20020a05600c46c300b003ebf73acf9asm16683148wmo.3.2023.03.31.03.56.32 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 31 Mar 2023 03:56:33 -0700 (PDT) Message-ID: <68a51c57-ba63-94c3-3ca3-f7d4ab4984ae@gmail.com> Date: Fri, 31 Mar 2023 12:56:32 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.6.1 Subject: Re: [PATCH net-next 10/10] arm64: dts: mt7986: move dlm in a dedicated node Content-Language: en-US To: Lorenzo Bianconi , netdev@vger.kernel.org Cc: davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, linux-mediatek@lists.infradead.org, nbd@nbd.name, john@phrozen.org, sean.wang@mediatek.com, Mark-MC.Lee@mediatek.com, lorenzo.bianconi@redhat.com, daniel@makrotopia.org, krzysztof.kozlowski+dt@linaro.org, robh+dt@kernel.org, devicetree@vger.kernel.org References: From: Matthias Brugger In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On 20/03/2023 17:58, Lorenzo Bianconi wrote: > Since the dlm memory region is not part of the RAM SoC, move dlm in a > deidicated syscon node. > This patch helps to keep backward-compatibility with older version of > uboot codebase where we have a limit of 8 reserved-memory dts child > nodes. > > Signed-off-by: Lorenzo Bianconi Acked-by: Matthias Brugger > --- > arch/arm64/boot/dts/mediatek/mt7986a.dtsi | 30 ++++++++++++----------- > 1 file changed, 16 insertions(+), 14 deletions(-) > > diff --git a/arch/arm64/boot/dts/mediatek/mt7986a.dtsi b/arch/arm64/boot/dts/mediatek/mt7986a.dtsi > index a0d96d232ee5..0ae6aa59d3c6 100644 > --- a/arch/arm64/boot/dts/mediatek/mt7986a.dtsi > +++ b/arch/arm64/boot/dts/mediatek/mt7986a.dtsi > @@ -93,16 +93,6 @@ wo_data: wo-data@4fd80000 { > reg = <0 0x4fd80000 0 0x240000>; > no-map; > }; > - > - wo_dlm0: wo-dlm@151e8000 { > - reg = <0 0x151e8000 0 0x2000>; > - no-map; > - }; > - > - wo_dlm1: wo-dlm@151f8000 { > - reg = <0 0x151f8000 0 0x2000>; > - no-map; > - }; > }; > > timer { > @@ -444,10 +434,11 @@ wed0: wed@15010000 { > reg = <0 0x15010000 0 0x1000>; > interrupt-parent = <&gic>; > interrupts = ; > - memory-region = <&wo_emi0>, <&wo_dlm0>, <&wo_data>; > - memory-region-names = "wo-emi", "wo-dlm", "wo-data"; > + memory-region = <&wo_emi0>, <&wo_data>; > + memory-region-names = "wo-emi", "wo-data"; > mediatek,wo-ccif = <&wo_ccif0>; > mediatek,wo-ilm = <&wo_ilm0>; > + mediatek,wo-dlm = <&wo_dlm0>; > mediatek,wo-cpuboot = <&wo_cpuboot>; > }; > > @@ -457,10 +448,11 @@ wed1: wed@15011000 { > reg = <0 0x15011000 0 0x1000>; > interrupt-parent = <&gic>; > interrupts = ; > - memory-region = <&wo_emi1>, <&wo_dlm1>, <&wo_data>; > - memory-region-names = "wo-emi", "wo-dlm", "wo-data"; > + memory-region = <&wo_emi1>, <&wo_data>; > + memory-region-names = "wo-emi", "wo-data"; > mediatek,wo-ccif = <&wo_ccif1>; > mediatek,wo-ilm = <&wo_ilm1>; > + mediatek,wo-dlm = <&wo_dlm1>; > mediatek,wo-cpuboot = <&wo_cpuboot>; > }; > > @@ -488,6 +480,16 @@ wo_ilm1: syscon@151f0000 { > reg = <0 0x151f0000 0 0x8000>; > }; > > + wo_dlm0: syscon@151e8000 { > + compatible = "mediatek,mt7986-wo-dlm", "syscon"; > + reg = <0 0x151e8000 0 0x2000>; > + }; > + > + wo_dlm1: syscon@151f8000 { > + compatible = "mediatek,mt7986-wo-dlm", "syscon"; > + reg = <0 0x151f8000 0 0x2000>; > + }; > + > wo_cpuboot: syscon@15194000 { > compatible = "mediatek,mt7986-wo-cpuboot", "syscon"; > reg = <0 0x15194000 0 0x1000>;