diff options
Diffstat (limited to 'dts/src/arm/aspeed-ast2600-evb.dts')
| -rw-r--r-- | dts/src/arm/aspeed-ast2600-evb.dts | 119 |
1 files changed, 87 insertions, 32 deletions
diff --git a/dts/src/arm/aspeed-ast2600-evb.dts b/dts/src/arm/aspeed-ast2600-evb.dts index 2772796e21..b7eb552640 100644 --- a/dts/src/arm/aspeed-ast2600-evb.dts +++ b/dts/src/arm/aspeed-ast2600-evb.dts @@ -4,6 +4,7 @@ /dts-v1/; #include "aspeed-g6.dtsi" +#include <dt-bindings/gpio/aspeed-gpio.h> / { model = "AST2600 EVB"; @@ -21,6 +22,46 @@ device_type = "memory"; reg = <0x80000000 0x80000000>; }; + + vcc_sdhci0: regulator-vcc-sdhci0 { + compatible = "regulator-fixed"; + regulator-name = "SDHCI0 Vcc"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + gpios = <&gpio0 ASPEED_GPIO(V, 0) GPIO_ACTIVE_HIGH>; + enable-active-high; + }; + + vccq_sdhci0: regulator-vccq-sdhci0 { + compatible = "regulator-gpio"; + regulator-name = "SDHCI0 VccQ"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <3300000>; + gpios = <&gpio0 ASPEED_GPIO(V, 1) GPIO_ACTIVE_HIGH>; + gpios-states = <1>; + states = <3300000 1>, + <1800000 0>; + }; + + vcc_sdhci1: regulator-vcc-sdhci1 { + compatible = "regulator-fixed"; + regulator-name = "SDHCI1 Vcc"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + gpios = <&gpio0 ASPEED_GPIO(V, 2) GPIO_ACTIVE_HIGH>; + enable-active-high; + }; + + vccq_sdhci1: regulator-vccq-sdhci1 { + compatible = "regulator-gpio"; + regulator-name = "SDHCI1 VccQ"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <3300000>; + gpios = <&gpio0 ASPEED_GPIO(V, 3) GPIO_ACTIVE_HIGH>; + gpios-states = <1>; + states = <3300000 1>, + <1800000 0>; + }; }; &mdio0 { @@ -107,7 +148,8 @@ &emmc { non-removable; bus-width = <4>; - max-frequency = <52000000>; + max-frequency = <100000000>; + clk-phase-mmc-hs200 = <9>, <225>; }; &rtc { @@ -121,37 +163,7 @@ m25p,fast-read; label = "bmc"; spi-max-frequency = <50000000>; - - partitions { - compatible = "fixed-partitions"; - #address-cells = <1>; - #size-cells = <1>; - - u-boot@0 { - reg = <0x0 0xe0000>; // 896KB - label = "u-boot"; - }; - - u-boot-env@e0000 { - reg = <0xe0000 0x20000>; // 128KB - label = "u-boot-env"; - }; - - kernel@100000 { - reg = <0x100000 0x900000>; // 9MB - label = "kernel"; - }; - - rofs@a00000 { - reg = <0xa00000 0x2000000>; // 32MB - label = "rofs"; - }; - - rwfs@6000000 { - reg = <0x2a00000 0x1600000>; // 22MB - label = "rwfs"; - }; - }; +#include "openbmc-flash-layout-64.dtsi" }; }; @@ -245,3 +257,46 @@ &uhci { status = "okay"; }; + +&sdc { + status = "okay"; +}; + +/* + * The signal voltage of sdhci0 and sdhci1 on AST2600-A2 EVB is able to be + * toggled by GPIO pins. + * In the reference design, GPIOV0 of AST2600-A2 EVB is connected to the + * power load switch that provides 3.3v to sdhci0 vdd, GPIOV1 is connected to + * a 1.8v and a 3.3v power load switch that provides signal voltage to + * sdhci0 bus. + * If GPIOV0 is active high, sdhci0 is enabled, otherwise, sdhci0 is disabled. + * If GPIOV1 is active high, 3.3v power load switch is enabled, sdhci0 signal + * voltage is 3.3v, otherwise, 1.8v power load switch will be enabled, + * sdhci0 signal voltage becomes 1.8v. + * AST2600-A2 EVB also supports toggling signal voltage for sdhci1. + * The design is the same as sdhci0, it uses GPIOV2 as power-gpio and GPIOV3 + * as power-switch-gpio. + */ +&sdhci0 { + status = "okay"; + bus-width = <4>; + max-frequency = <100000000>; + sdhci-drive-type = /bits/ 8 <3>; + sdhci-caps-mask = <0x7 0x0>; + sdhci,wp-inverted; + vmmc-supply = <&vcc_sdhci0>; + vqmmc-supply = <&vccq_sdhci0>; + clk-phase-sd-hs = <7>, <200>; +}; + +&sdhci1 { + status = "okay"; + bus-width = <4>; + max-frequency = <100000000>; + sdhci-drive-type = /bits/ 8 <3>; + sdhci-caps-mask = <0x7 0x0>; + sdhci,wp-inverted; + vmmc-supply = <&vcc_sdhci1>; + vqmmc-supply = <&vccq_sdhci1>; + clk-phase-sd-hs = <7>, <200>; +}; |