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([2a02:810d:15c0:828:d013:3eeb:7658:cec]) by smtp.gmail.com with ESMTPSA id u20-20020a50a414000000b004fd1ee3f723sm1002701edb.67.2023.03.17.05.28.03 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 17 Mar 2023 05:28:03 -0700 (PDT) Message-ID: <216262b8-fe48-6696-17a4-eaa82e776db7@linaro.org> Date: Fri, 17 Mar 2023 13:28:02 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.9.0 Subject: Re: [PATCH v5 2/2] ARM: dts: exynos: add mmc aliases Content-Language: en-US To: Henrik Grimler , robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, alim.akhtar@samsung.com, m.szyprowski@samsung.com, jenneron@protonmail.com, markuss.broks@gmail.com, martin.juecker@gmail.com, virag.david003@gmail.com, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org, phone-devel@vger.kernel.org, ~postmarketos/upstreaming@lists.sr.ht Cc: Valentine Iourine References: <20230316211558.8526-1-henrik@grimler.se> <20230316211558.8526-3-henrik@grimler.se> From: Krzysztof Kozlowski In-Reply-To: <20230316211558.8526-3-henrik@grimler.se> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: phone-devel@vger.kernel.org On 16/03/2023 22:15, Henrik Grimler wrote: > Add aliases for eMMC, SD card and WiFi where applicable, so that > assigned mmc indeces are always the same. > > Co-developed-by: Anton Bambura > Signed-off-by: Anton Bambura > [ Tested on exynos5800-peach-pi ] > Tested-by: Valentine Iourine > Signed-off-by: Henrik Grimler > Tested-by: Marek Szyprowski > > chosen { > diff --git a/arch/arm/boot/dts/exynos4210-i9100.dts b/arch/arm/boot/dts/exynos4210-i9100.dts > index bba85011ecc9..7051e2c4b391 100644 > --- a/arch/arm/boot/dts/exynos4210-i9100.dts > +++ b/arch/arm/boot/dts/exynos4210-i9100.dts > @@ -25,6 +25,12 @@ memory@40000000 { > reg = <0x40000000 0x40000000>; > }; > > + aliases { > + mmc0 = &sdhci_0; > + mmc2 = &sdhci_2; > + mmc3 = &sdhci_3; Here... > + }; > + > chosen { > stdout-path = "serial2:115200n8"; > }; > diff --git a/arch/arm/boot/dts/exynos4210-origen.dts b/arch/arm/boot/dts/exynos4210-origen.dts > index 1103e7f92b57..1970c31410e5 100644 > --- a/arch/arm/boot/dts/exynos4210-origen.dts > +++ b/arch/arm/boot/dts/exynos4210-origen.dts > @@ -30,6 +30,11 @@ memory@40000000 { > 0x70000000 0x10000000>; > }; > > + aliases { > + mmc0 = &sdhci_0; here .... > + mmc2 = &sdhci_2; > + }; > + > chosen { > bootargs = "root=/dev/ram0 rw ramdisk=8192 initrd=0x41000000,8M init=/linuxrc"; > stdout-path = "serial2:115200n8"; > diff --git a/arch/arm/boot/dts/exynos4210-smdkv310.dts b/arch/arm/boot/dts/exynos4210-smdkv310.dts > index 181c99eca675..cb74af41e17c 100644 > --- a/arch/arm/boot/dts/exynos4210-smdkv310.dts > +++ b/arch/arm/boot/dts/exynos4210-smdkv310.dts > @@ -25,6 +25,10 @@ memory@40000000 { > reg = <0x40000000 0x80000000>; > }; > > + aliases { > + mmc2 = &sdhci_2; > + }; > + > chosen { > bootargs = "root=/dev/ram0 rw ramdisk=8192 initrd=0x41000000,8M init=/linuxrc"; > stdout-path = "serial1:115200n8"; > diff --git a/arch/arm/boot/dts/exynos4210-trats.dts b/arch/arm/boot/dts/exynos4210-trats.dts > index b8e9dd23fc51..b6b0c116016c 100644 > --- a/arch/arm/boot/dts/exynos4210-trats.dts > +++ b/arch/arm/boot/dts/exynos4210-trats.dts > @@ -26,6 +26,12 @@ memory@40000000 { > 0x70000000 0x10000000>; > }; > > + aliases { > + mmc0 = &sdhci_0; > + mmc2 = &sdhci_2; > + mmc3 = &sdhci_3; > + }; > + > chosen { > bootargs = "root=/dev/mmcblk0p5 rootwait earlyprintk panic=5"; > stdout-path = "serial2:115200n8"; > diff --git a/arch/arm/boot/dts/exynos4210-universal_c210.dts b/arch/arm/boot/dts/exynos4210-universal_c210.dts > index 140abfb38e1d..f42cfcbcdcfa 100644 > --- a/arch/arm/boot/dts/exynos4210-universal_c210.dts > +++ b/arch/arm/boot/dts/exynos4210-universal_c210.dts > @@ -24,6 +24,12 @@ memory@40000000 { > 0x50000000 0x10000000>; > }; > > + aliases { > + mmc0 = &sdhci_0; > + mmc2 = &sdhci_2; Why this is 2? Aliases are continues and match the board. For example Universal calls this mmc1 and the next mmc2, not 3. I bet it is the same on Trats and all other boards. > + mmc3 = &sdhci_3; > + }; > + > chosen { > bootargs = "root=/dev/mmcblk0p5 rw rootwait earlyprintk panic=5 maxcpus=1"; > stdout-path = "serial2:115200n8"; > diff --git a/arch/arm/boot/dts/exynos4412-itop-elite.dts b/arch/arm/boot/dts/exynos4412-itop-elite.dts > index 6260da187e92..0e5419c0eaff 100644 > --- a/arch/arm/boot/dts/exynos4412-itop-elite.dts > +++ b/arch/arm/boot/dts/exynos4412-itop-elite.dts > @@ -20,6 +20,10 @@ / { > model = "TOPEET iTop 4412 Elite board based on Exynos4412"; > compatible = "topeet,itop4412-elite", "samsung,exynos4412", "samsung,exynos4"; > > + aliases { > + mmc2 = &sdhci_2; mmc1 > + }; > + > chosen { > bootargs = "root=/dev/mmcblk0p2 rw rootfstype=ext4 rootdelay=1 rootwait"; > stdout-path = "serial2:115200n8"; > diff --git a/arch/arm/boot/dts/exynos4412-itop-scp-core.dtsi b/arch/arm/boot/dts/exynos4412-itop-scp-core.dtsi > index ca8d42b2ce3b..7bc6968af9c3 100644 > --- a/arch/arm/boot/dts/exynos4412-itop-scp-core.dtsi > +++ b/arch/arm/boot/dts/exynos4412-itop-scp-core.dtsi > @@ -23,6 +23,10 @@ memory@40000000 { > reg = <0x40000000 0x40000000>; > }; > > + aliases { > + mmc0 = &mshc_0; > + }; > + > firmware@203f000 { > compatible = "samsung,secure-firmware"; > reg = <0x0203f000 0x1000>; > diff --git a/arch/arm/boot/dts/exynos4412-midas.dtsi b/arch/arm/boot/dts/exynos4412-midas.dtsi > index 82aed59cba7c..e6b949c1a00f 100644 > --- a/arch/arm/boot/dts/exynos4412-midas.dtsi > +++ b/arch/arm/boot/dts/exynos4412-midas.dtsi > @@ -25,6 +25,9 @@ / { > aliases { > i2c11 = &i2c_max77693; > i2c12 = &i2c_max77693_fuel; > + mmc0 = &mshc_0; > + mmc2 = &sdhci_2; > + mmc3 = &sdhci_3; This is actually correct. > }; > > chosen { > diff --git a/arch/arm/boot/dts/exynos4412-odroid-common.dtsi b/arch/arm/boot/dts/exynos4412-odroid-common.dtsi > index 25e082fda955..45ef7b7ba7e0 100644 > --- a/arch/arm/boot/dts/exynos4412-odroid-common.dtsi > +++ b/arch/arm/boot/dts/exynos4412-odroid-common.dtsi > @@ -13,6 +13,11 @@ > #include "exynos-mfc-reserved-memory.dtsi" > > / { > + aliases { > + mmc0 = &mshc_0; > + mmc2 = &sdhci_2; This is also correct. > + }; For all other cases, where schematics are missing, just make them linear. Krzysztof