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| author | Stefan Roese <sr@denx.de> | 2021-03-12 09:48:27 +0100 |
|---|---|---|
| committer | Daniel Schwierzeck <daniel.schwierzeck@gmail.com> | 2021-04-22 02:47:57 +0200 |
| commit | cfa39fe78b34481de668b84263433f47e252eb7e (patch) | |
| tree | d6b1a3d5cab6d88bbdae1e868e83d5c45d9857ed /arch/mips/dts | |
| parent | 25869707c191064212bffb0540c75210c18366c4 (diff) | |
| download | u-boot-cfa39fe78b34481de668b84263433f47e252eb7e.zip u-boot-cfa39fe78b34481de668b84263433f47e252eb7e.tar.gz u-boot-cfa39fe78b34481de668b84263433f47e252eb7e.tar.bz2 | |
mips: octeon: mrvl,octeon_ebb7304.dts: Add MMC DT node
Add the MMC DT node to the Octeon EBB7304 DT file including the
regulator node for the MMC power supply.
Signed-off-by: Stefan Roese <sr@denx.de>
Cc: Aaron Williams <awilliams@marvell.com>
Cc: Chandrakala Chavva <cchavva@marvell.com>
Cc: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
Diffstat (limited to 'arch/mips/dts')
| -rw-r--r-- | arch/mips/dts/mrvl,octeon-ebb7304.dts | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/arch/mips/dts/mrvl,octeon-ebb7304.dts b/arch/mips/dts/mrvl,octeon-ebb7304.dts index 993b4f6..1bb34e1 100644 --- a/arch/mips/dts/mrvl,octeon-ebb7304.dts +++ b/arch/mips/dts/mrvl,octeon-ebb7304.dts @@ -6,16 +6,36 @@ /dts-v1/; #include "mrvl,cn73xx.dtsi" +#include <dt-bindings/gpio/gpio.h> / { model = "cavium,ebb7304"; compatible = "cavium,ebb7304"; aliases { + mmc0 = &mmc0; + mmc1 = &mmc1; serial0 = &uart0; spi0 = &spi; }; + regulators { + compatible = "simple-bus"; + #address-cells = <1>; + #size-cells = <0>; + + /* Power on GPIO 8, active high */ + reg_mmc_3v3: regulator@0 { + compatible = "regulator-fixed"; + reg = <0>; + regulator-name = "mmc-3v3"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + gpio = <&gpio 8 GPIO_ACTIVE_HIGH>; + enable-active-high; + }; + }; + chosen { stdout-path = &uart0; }; @@ -137,3 +157,40 @@ */ power = <&gpio 21 0>; }; + +&mmc { + status = "okay"; + + /* The board has two MMC slots + * If both are occupied, the speed must be reduced, + * as extra data-line load increases slew time, + * and dat-skew adjustment does not help significantly. + */ + mmc0: mmc-slot@0 { + compatible = "cavium,octeon-6130-mmc-slot", "mmc-slot"; + reg = <0>; + vqmmc-supply = <®_mmc_3v3>; + voltage-ranges = <3300 3300>; + //spi-max-frequency = <52000000>; // just one + spi-max-frequency = <37000000>; // both slots + /* bus width can be 1, 4 or 8 */ + bus-width = <8>; /* new std property */ + cavium,bus-max-width = <8>; /* custom property */ + wp-gpios = <&gpio 22 0>; /* active high */ + cd-gpios = <&gpio 23 1>; /* active low */ + }; + + mmc1: mmc-slot@1 { + compatible = "cavium,octeon-6130-mmc-slot", "mmc-slot"; + reg = <1>; + vqmmc-supply = <®_mmc_3v3>; + voltage-ranges = <3300 3300>; + //spi-max-frequency = <52000000>; // just one + spi-max-frequency = <37000000>; // both slots + /* bus width can be 1, 4 or 8 */ + bus-width = <8>; /* new std property */ + cavium,bus-max-width = <8>; /* custom property */ + wp-gpios = <&gpio 24 0>; /* active high */ + cd-gpios = <&gpio 25 1>; /* active low */ + }; +}; |