Re: [PATCH v7 2/2] ARM: dts: exynos: add mmc aliases

From: Marek Szyprowski
Date: Mon Apr 03 2023 - 07:16:07 EST

On 02.04.2023 16:47, 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 <jenneron@xxxxxxxxxxxxxx>
> Signed-off-by: Anton Bambura <jenneron@xxxxxxxxxxxxxx>
> [ Tested on exynos5800-peach-pi ]
> Tested-by: Valentine Iourine <iourine@xxxxxxxxxxxxxx>
> Signed-off-by: Henrik Grimler <henrik@xxxxxxxxxx>
Tested-by: Marek Szyprowski <m.szyprowski@xxxxxxxxxxx>
> ---
>
> Changes since v6:
> * Fix syntax error in exynos5422-samsung-k3g.dts
>
> Changes since v5:
> * Make index numbering linear per default (that is, always use 0, 1, 2
> instead of for example 0, 2, 3) for devices where no documentation
> or schematics are available that use other numbering.
> * Drop Marek's test tag since numbering has been updated
> * Add mmc0 alias to exynos5422-samsung-k3g, was accidentally dropped in v5
>
> Changes since v4:
> * Do not set mmc-ddr-1_8v for sdhci_0 on Exynos 4210,
> following Marek's tests
>
> Changes since v3:
> * Drop attempt at node sorting/cleaning
> * Move two mmc alias additions to the other patch
> * Update commit message
>
> Changes since v2:
> * Set mmc-ddr-1_8v in device trees for mshc_0/mmc_0
>
> arch/arm/boot/dts/exynos3250-artik5-eval.dts | 4 ++++
> arch/arm/boot/dts/exynos3250-artik5.dtsi | 5 +++++
> arch/arm/boot/dts/exynos3250-monk.dts | 1 +
> arch/arm/boot/dts/exynos3250-rinato.dts | 2 ++
> arch/arm/boot/dts/exynos4210-i9100.dts | 6 ++++++
> arch/arm/boot/dts/exynos4210-origen.dts | 5 +++++
> arch/arm/boot/dts/exynos4210-smdkv310.dts | 4 ++++
> arch/arm/boot/dts/exynos4210-trats.dts | 6 ++++++
> arch/arm/boot/dts/exynos4210-universal_c210.dts | 6 ++++++
> arch/arm/boot/dts/exynos4412-itop-elite.dts | 4 ++++
> arch/arm/boot/dts/exynos4412-itop-scp-core.dtsi | 4 ++++
> arch/arm/boot/dts/exynos4412-midas.dtsi | 3 +++
> arch/arm/boot/dts/exynos4412-odroid-common.dtsi | 5 +++++
> arch/arm/boot/dts/exynos4412-origen.dts | 5 +++++
> arch/arm/boot/dts/exynos4412-p4note.dtsi | 6 ++++++
> arch/arm/boot/dts/exynos4412-smdk4412.dts | 4 ++++
> arch/arm/boot/dts/exynos4412-tiny4412.dts | 4 ++++
> arch/arm/boot/dts/exynos5250-arndale.dts | 5 +++++
> arch/arm/boot/dts/exynos5250-smdk5250.dts | 2 ++
> arch/arm/boot/dts/exynos5250-snow-common.dtsi | 3 +++
> arch/arm/boot/dts/exynos5250-spring.dts | 5 +++++
> arch/arm/boot/dts/exynos5260-xyref5260.dts | 5 +++++
> arch/arm/boot/dts/exynos5410-odroidxu.dts | 2 ++
> arch/arm/boot/dts/exynos5410-smdk5410.dts | 5 +++++
> arch/arm/boot/dts/exynos5420-arndale-octa.dts | 5 +++++
> arch/arm/boot/dts/exynos5420-galaxy-tab-common.dtsi | 5 +++++
> arch/arm/boot/dts/exynos5420-peach-pit.dts | 3 +++
> arch/arm/boot/dts/exynos5420-smdk5420.dts | 5 +++++
> arch/arm/boot/dts/exynos5422-odroid-core.dtsi | 4 ++++
> arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi | 4 ++++
> arch/arm/boot/dts/exynos5422-samsung-k3g.dts | 4 ++++
> arch/arm/boot/dts/exynos5800-peach-pi.dts | 3 +++
> 32 files changed, 134 insertions(+)
>
> diff --git a/arch/arm/boot/dts/exynos3250-artik5-eval.dts b/arch/arm/boot/dts/exynos3250-artik5-eval.dts
> index a1e22f630638..660cc7fac4db 100644
> --- a/arch/arm/boot/dts/exynos3250-artik5-eval.dts
> +++ b/arch/arm/boot/dts/exynos3250-artik5-eval.dts
> @@ -16,6 +16,10 @@ / {
> model = "Samsung ARTIK5 evaluation board";
> compatible = "samsung,artik5-eval", "samsung,artik5",
> "samsung,exynos3250", "samsung,exynos3";
> +
> + aliases {
> + mmc0 = &mshc_2;
> + };
> };
>
> &mshc_2 {
> diff --git a/arch/arm/boot/dts/exynos3250-artik5.dtsi b/arch/arm/boot/dts/exynos3250-artik5.dtsi
> index b81e1a9df126..3fdd922e635c 100644
> --- a/arch/arm/boot/dts/exynos3250-artik5.dtsi
> +++ b/arch/arm/boot/dts/exynos3250-artik5.dtsi
> @@ -17,6 +17,11 @@
> / {
> compatible = "samsung,artik5", "samsung,exynos3250", "samsung,exynos3";
>
> + aliases {
> + mmc0 = &mshc_0;
> + mmc1 = &mshc_1;
> + };
> +
> chosen {
> stdout-path = &serial_2;
> };
> diff --git a/arch/arm/boot/dts/exynos3250-monk.dts b/arch/arm/boot/dts/exynos3250-monk.dts
> index 861c26824d4f..2de877d4ccc5 100644
> --- a/arch/arm/boot/dts/exynos3250-monk.dts
> +++ b/arch/arm/boot/dts/exynos3250-monk.dts
> @@ -22,6 +22,7 @@ / {
>
> aliases {
> i2c7 = &i2c_max77836;
> + mmc0 = &mshc_0;
> };
>
> memory@40000000 {
> diff --git a/arch/arm/boot/dts/exynos3250-rinato.dts b/arch/arm/boot/dts/exynos3250-rinato.dts
> index a252a5f667eb..88fb3e68ff02 100644
> --- a/arch/arm/boot/dts/exynos3250-rinato.dts
> +++ b/arch/arm/boot/dts/exynos3250-rinato.dts
> @@ -23,6 +23,8 @@ / {
>
> aliases {
> i2c7 = &i2c_max77836;
> + mmc0 = &mshc_0;
> + mmc1 = &mshc_1;
> };
>
> chosen {
> diff --git a/arch/arm/boot/dts/exynos4210-i9100.dts b/arch/arm/boot/dts/exynos4210-i9100.dts
> index bba85011ecc9..37cd4dde53e4 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;
> + mmc1 = &sdhci_2;
> + mmc2 = &sdhci_3;
> + };
> +
> 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..f1927ca15e08 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;
> + mmc1 = &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..b566f878ed84 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 {
> + mmc0 = &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..ff6ee4b2c31b 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;
> + mmc1 = &sdhci_2;
> + mmc2 = &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..8fe0d5d2be2d 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;
> + mmc1 = &sdhci_2;
> + mmc2 = &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..ded232b04e0d 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 {
> + mmc1 = &sdhci_2;
> + };
> +
> 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;
> };
>
> 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;
> + };
> +
> chosen {
> stdout-path = &serial_1;
> };
> diff --git a/arch/arm/boot/dts/exynos4412-origen.dts b/arch/arm/boot/dts/exynos4412-origen.dts
> index f6cebf73b839..23b151645d66 100644
> --- a/arch/arm/boot/dts/exynos4412-origen.dts
> +++ b/arch/arm/boot/dts/exynos4412-origen.dts
> @@ -25,6 +25,11 @@ memory@40000000 {
> reg = <0x40000000 0x40000000>;
> };
>
> + aliases {
> + mmc0 = &mshc_0;
> + mmc1 = &sdhci_2;
> + };
> +
> chosen {
> stdout-path = "serial2:115200n8";
> };
> diff --git a/arch/arm/boot/dts/exynos4412-p4note.dtsi b/arch/arm/boot/dts/exynos4412-p4note.dtsi
> index 9052b3ebb3e8..0b89d5682f85 100644
> --- a/arch/arm/boot/dts/exynos4412-p4note.dtsi
> +++ b/arch/arm/boot/dts/exynos4412-p4note.dtsi
> @@ -26,6 +26,12 @@ memory@40000000 {
> reg = <0x40000000 0x80000000>;
> };
>
> + aliases {
> + mmc0 = &mshc_0;
> + mmc2 = &sdhci_2;
> + mmc3 = &sdhci_3;
> + };
> +
> chosen {
> stdout-path = &serial_2;
> };
> diff --git a/arch/arm/boot/dts/exynos4412-smdk4412.dts b/arch/arm/boot/dts/exynos4412-smdk4412.dts
> index a40ff394977c..715dfcba1417 100644
> --- a/arch/arm/boot/dts/exynos4412-smdk4412.dts
> +++ b/arch/arm/boot/dts/exynos4412-smdk4412.dts
> @@ -22,6 +22,10 @@ memory@40000000 {
> reg = <0x40000000 0x40000000>;
> };
>
> + aliases {
> + mmc0 = &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/exynos4412-tiny4412.dts b/arch/arm/boot/dts/exynos4412-tiny4412.dts
> index e0b6162d2e2a..5a2dcdc5c28b 100644
> --- a/arch/arm/boot/dts/exynos4412-tiny4412.dts
> +++ b/arch/arm/boot/dts/exynos4412-tiny4412.dts
> @@ -17,6 +17,10 @@ / {
> model = "FriendlyARM TINY4412 board based on Exynos4412";
> compatible = "friendlyarm,tiny4412", "samsung,exynos4412", "samsung,exynos4";
>
> + aliases {
> + mmc0 = &sdhci_2;
> + };
> +
> chosen {
> stdout-path = &serial_0;
> };
> diff --git a/arch/arm/boot/dts/exynos5250-arndale.dts b/arch/arm/boot/dts/exynos5250-arndale.dts
> index 8f01337bb291..d586189966da 100644
> --- a/arch/arm/boot/dts/exynos5250-arndale.dts
> +++ b/arch/arm/boot/dts/exynos5250-arndale.dts
> @@ -23,6 +23,11 @@ memory@40000000 {
> reg = <0x40000000 0x80000000>;
> };
>
> + aliases {
> + mmc0 = &mmc_0;
> + mmc1 = &mmc_2;
> + };
> +
> chosen {
> stdout-path = "serial2:115200n8";
> };
> diff --git a/arch/arm/boot/dts/exynos5250-smdk5250.dts b/arch/arm/boot/dts/exynos5250-smdk5250.dts
> index f7d4017e1ede..bb623726ef1e 100644
> --- a/arch/arm/boot/dts/exynos5250-smdk5250.dts
> +++ b/arch/arm/boot/dts/exynos5250-smdk5250.dts
> @@ -17,6 +17,8 @@ / {
> compatible = "samsung,smdk5250", "samsung,exynos5250", "samsung,exynos5";
>
> aliases {
> + mmc0 = &mmc_0;
> + mmc1 = &mmc_2;
> };
>
> memory@40000000 {
> diff --git a/arch/arm/boot/dts/exynos5250-snow-common.dtsi b/arch/arm/boot/dts/exynos5250-snow-common.dtsi
> index dea2dc818578..59b2cc35c37b 100644
> --- a/arch/arm/boot/dts/exynos5250-snow-common.dtsi
> +++ b/arch/arm/boot/dts/exynos5250-snow-common.dtsi
> @@ -15,6 +15,9 @@
> / {
> aliases {
> i2c104 = &i2c_104;
> + mmc0 = &mmc_0; /* eMMC */
> + mmc1 = &mmc_2; /* SD */
> + mmc2 = &mmc_3; /* WiFi */
> };
>
> memory@40000000 {
> diff --git a/arch/arm/boot/dts/exynos5250-spring.dts b/arch/arm/boot/dts/exynos5250-spring.dts
> index 8980cdbdcb3b..c12bb17631b7 100644
> --- a/arch/arm/boot/dts/exynos5250-spring.dts
> +++ b/arch/arm/boot/dts/exynos5250-spring.dts
> @@ -23,6 +23,11 @@ memory@40000000 {
> reg = <0x40000000 0x80000000>;
> };
>
> + aliases {
> + mmc0 = &mmc_0;
> + mmc1 = &mmc_1;
> + };
> +
> chosen {
> bootargs = "console=tty1";
> stdout-path = "serial3:115200n8";
> diff --git a/arch/arm/boot/dts/exynos5260-xyref5260.dts b/arch/arm/boot/dts/exynos5260-xyref5260.dts
> index 0fd728bc0b75..d072a7398866 100644
> --- a/arch/arm/boot/dts/exynos5260-xyref5260.dts
> +++ b/arch/arm/boot/dts/exynos5260-xyref5260.dts
> @@ -18,6 +18,11 @@ memory@20000000 {
> reg = <0x20000000 0x80000000>;
> };
>
> + aliases {
> + mmc0 = &mmc_0;
> + mmc1 = &mmc_2;
> + };
> +
> chosen {
> stdout-path = "serial2:115200n8";
> };
> diff --git a/arch/arm/boot/dts/exynos5410-odroidxu.dts b/arch/arm/boot/dts/exynos5410-odroidxu.dts
> index 1ed73f3b4ac0..882fc77c4bc4 100644
> --- a/arch/arm/boot/dts/exynos5410-odroidxu.dts
> +++ b/arch/arm/boot/dts/exynos5410-odroidxu.dts
> @@ -21,6 +21,8 @@ / {
>
> aliases {
> ethernet = &ethernet;
> + mmc0 = &mmc_0;
> + mmc1 = &mmc_2;
> };
>
> memory@40000000 {
> diff --git a/arch/arm/boot/dts/exynos5410-smdk5410.dts b/arch/arm/boot/dts/exynos5410-smdk5410.dts
> index b4a74f9cf319..bb29b76f6f6a 100644
> --- a/arch/arm/boot/dts/exynos5410-smdk5410.dts
> +++ b/arch/arm/boot/dts/exynos5410-smdk5410.dts
> @@ -18,6 +18,11 @@ memory@40000000 {
> reg = <0x40000000 0x80000000>;
> };
>
> + aliases {
> + mmc0 = &mmc_0;
> + mmc1 = &mmc_2;
> + };
> +
> chosen {
> stdout-path = "serial2:115200n8";
> };
> diff --git a/arch/arm/boot/dts/exynos5420-arndale-octa.dts b/arch/arm/boot/dts/exynos5420-arndale-octa.dts
> index 5ed55a5b0c67..809ddda02e53 100644
> --- a/arch/arm/boot/dts/exynos5420-arndale-octa.dts
> +++ b/arch/arm/boot/dts/exynos5420-arndale-octa.dts
> @@ -23,6 +23,11 @@ memory@20000000 {
> reg = <0x20000000 0x80000000>;
> };
>
> + aliases {
> + mmc0 = &mmc_0;
> + mmc1 = &mmc_2;
> + };
> +
> chosen {
> stdout-path = "serial3:115200n8";
> };
> diff --git a/arch/arm/boot/dts/exynos5420-galaxy-tab-common.dtsi b/arch/arm/boot/dts/exynos5420-galaxy-tab-common.dtsi
> index 6a51cb14b58a..f525b2f5e4e0 100644
> --- a/arch/arm/boot/dts/exynos5420-galaxy-tab-common.dtsi
> +++ b/arch/arm/boot/dts/exynos5420-galaxy-tab-common.dtsi
> @@ -28,6 +28,11 @@ / {
> * for more details.
> */
>
> + aliases {
> + mmc0 = &mmc_0;
> + mmc2 = &mmc_2;
> + };
> +
> chosen {
> stdout-path = "serial2:115200n8";
> };
> diff --git a/arch/arm/boot/dts/exynos5420-peach-pit.dts b/arch/arm/boot/dts/exynos5420-peach-pit.dts
> index df863b909ff7..7a48f2b32819 100644
> --- a/arch/arm/boot/dts/exynos5420-peach-pit.dts
> +++ b/arch/arm/boot/dts/exynos5420-peach-pit.dts
> @@ -31,6 +31,9 @@ / {
> aliases {
> /* Assign 20 so we don't get confused w/ builtin ones */
> i2c20 = &i2c_tunnel;
> + mmc0 = &mmc_0; /* eMMC */
> + mmc1 = &mmc_2; /* uSD */
> + mmc2 = &mmc_1; /* WiFi */
> };
>
> backlight: backlight {
> diff --git a/arch/arm/boot/dts/exynos5420-smdk5420.dts b/arch/arm/boot/dts/exynos5420-smdk5420.dts
> index 0a9371bec3e0..e299344e427a 100644
> --- a/arch/arm/boot/dts/exynos5420-smdk5420.dts
> +++ b/arch/arm/boot/dts/exynos5420-smdk5420.dts
> @@ -21,6 +21,11 @@ memory@20000000 {
> reg = <0x20000000 0x80000000>;
> };
>
> + aliases {
> + mmc0 = &mmc_0;
> + mmc1 = &mmc_2;
> + };
> +
> chosen {
> bootargs = "init=/linuxrc";
> stdout-path = "serial2:115200n8";
> diff --git a/arch/arm/boot/dts/exynos5422-odroid-core.dtsi b/arch/arm/boot/dts/exynos5422-odroid-core.dtsi
> index 30fc677d8bac..2f5b8602e020 100644
> --- a/arch/arm/boot/dts/exynos5422-odroid-core.dtsi
> +++ b/arch/arm/boot/dts/exynos5422-odroid-core.dtsi
> @@ -19,6 +19,10 @@ memory@40000000 {
> reg = <0x40000000 0x7ea00000>;
> };
>
> + aliases {
> + mmc2 = &mmc_2;
> + };
> +
> chosen {
> stdout-path = "serial2:115200n8";
> };
> diff --git a/arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi b/arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi
> index d1b8e59e2daf..b4a851aa8881 100644
> --- a/arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi
> +++ b/arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi
> @@ -13,6 +13,10 @@
> #include "exynos5422-odroid-core.dtsi"
>
> / {
> + aliases {
> + mmc0 = &mmc_0;
> + };
> +
> gpio-keys {
> compatible = "gpio-keys";
> pinctrl-names = "default";
> diff --git a/arch/arm/boot/dts/exynos5422-samsung-k3g.dts b/arch/arm/boot/dts/exynos5422-samsung-k3g.dts
> index 13134592c199..c35261a338ff 100644
> --- a/arch/arm/boot/dts/exynos5422-samsung-k3g.dts
> +++ b/arch/arm/boot/dts/exynos5422-samsung-k3g.dts
> @@ -19,6 +19,10 @@ / {
>
> chassis-type = "handset";
>
> + aliases {
> + mmc0 = &mmc_0;
> + };
> +
> memory@20000000 {
> device_type = "memory";
> reg = <0x20000000 0x80000000>; /* 2 GiB */
> diff --git a/arch/arm/boot/dts/exynos5800-peach-pi.dts b/arch/arm/boot/dts/exynos5800-peach-pi.dts
> index 37af8fbd215c..1f544f12da6c 100644
> --- a/arch/arm/boot/dts/exynos5800-peach-pi.dts
> +++ b/arch/arm/boot/dts/exynos5800-peach-pi.dts
> @@ -29,6 +29,9 @@ / {
> aliases {
> /* Assign 20 so we don't get confused w/ builtin ones */
> i2c20 = &i2c_tunnel;
> + mmc0 = &mmc_0; /* eMMC */
> + mmc1 = &mmc_2; /* SD */
> + mmc2 = &mmc_1; /* WiFi */
> };
>
> backlight: backlight {

Best regards
--
Marek Szyprowski, PhD
Samsung R&D Institute Poland