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ARM: sun7i: dt: Add ahci / sata support

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This patch adds sunxi sata support to A20 boards that have such a connector.
Some boards also feature a regulator via a GPIO and support for this is also
added.

Signed-off-by: Olliver Schinagl <oliver@schinagl.nl>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
This commit is contained in:
Hans de Goede
2014-03-01 20:26:22 +01:00
committed by Maxime Ripard
parent 248bd1e228
commit 902febf9ea
4 changed files with 47 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
arch/arm/boot/dts/sun7i-a20-cubieboard2.dts
View File

@@ -13,12 +13,18 @@
/dts-v1/; /dts-v1/;
/include/ "sun7i-a20.dtsi" /include/ "sun7i-a20.dtsi"
/include/ "sunxi-common-regulators.dtsi"
/ { / {
model = "Cubietech Cubieboard2"; model = "Cubietech Cubieboard2";
compatible = "cubietech,cubieboard2", "allwinner,sun7i-a20"; compatible = "cubietech,cubieboard2", "allwinner,sun7i-a20";
soc@01c00000 { soc@01c00000 {
ahci: sata@01c18000 {
target-supply = <&reg_ahci_5v>;
status = "okay";
};
pinctrl@01c20800 { pinctrl@01c20800 {
led_pins_cubieboard2: led_pins@0 { led_pins_cubieboard2: led_pins@0 {
allwinner,pins = "PH20", "PH21"; allwinner,pins = "PH20", "PH21";
@@ -74,4 +80,8 @@
gpios = <&pio 7 20 0>; gpios = <&pio 7 20 0>;
}; };
}; };
reg_ahci_5v: ahci-5v {
status = "okay";
};
}; };

19
arch/arm/boot/dts/sun7i-a20-cubietruck.dts
View File

@@ -13,13 +13,26 @@
/dts-v1/; /dts-v1/;
/include/ "sun7i-a20.dtsi" /include/ "sun7i-a20.dtsi"
/include/ "sunxi-common-regulators.dtsi"
/ { / {
model = "Cubietech Cubietruck"; model = "Cubietech Cubietruck";
compatible = "cubietech,cubietruck", "allwinner,sun7i-a20"; compatible = "cubietech,cubietruck", "allwinner,sun7i-a20";
soc@01c00000 { soc@01c00000 {
ahci: sata@01c18000 {
target-supply = <&reg_ahci_5v>;
status = "okay";
};
pinctrl@01c20800 { pinctrl@01c20800 {
ahci_pwr_pin_cubietruck: ahci_pwr_pin@1 {
allwinner,pins = "PH12";
allwinner,function = "gpio_out";
allwinner,drive = <0>;
allwinner,pull = <0>;
};
led_pins_cubietruck: led_pins@0 { led_pins_cubietruck: led_pins@0 {
allwinner,pins = "PH7", "PH11", "PH20", "PH21"; allwinner,pins = "PH7", "PH11", "PH20", "PH21";
allwinner,function = "gpio_out"; allwinner,function = "gpio_out";
@@ -90,4 +103,10 @@
gpios = <&pio 7 7 0>; gpios = <&pio 7 7 0>;
}; };
}; };
reg_ahci_5v: ahci-5v {
pinctrl-0 = <&ahci_pwr_pin_cubietruck>;
gpio = <&pio 7 12 0>;
status = "okay";
};
}; };

10
arch/arm/boot/dts/sun7i-a20-olinuxino-micro.dts
View File

@@ -13,6 +13,7 @@
/dts-v1/; /dts-v1/;
/include/ "sun7i-a20.dtsi" /include/ "sun7i-a20.dtsi"
/include/ "sunxi-common-regulators.dtsi"
/ { / {
model = "Olimex A20-Olinuxino Micro"; model = "Olimex A20-Olinuxino Micro";
@@ -36,6 +37,11 @@
status = "okay"; status = "okay";
}; };
ahci: sata@01c18000 {
target-supply = <&reg_ahci_5v>;
status = "okay";
};
pinctrl@01c20800 { pinctrl@01c20800 {
led_pins_olinuxino: led_pins@0 { led_pins_olinuxino: led_pins@0 {
allwinner,pins = "PH2"; allwinner,pins = "PH2";
@@ -105,4 +111,8 @@
default-state = "on"; default-state = "on";
}; };
}; };
reg_ahci_5v: ahci-5v {
status = "okay";
};
}; };

8
arch/arm/boot/dts/sun7i-a20.dtsi
View File

@@ -450,6 +450,14 @@
#size-cells = <0>; #size-cells = <0>;
}; };
ahci: sata@01c18000 {
compatible = "allwinner,sun4i-a10-ahci";
reg = <0x01c18000 0x1000>;
interrupts = <0 56 4>;
clocks = <&pll6 0>, <&ahb_gates 25>;
status = "disabled";
};
spi3: spi@01c1f000 { spi3: spi@01c1f000 {
compatible = "allwinner,sun4i-a10-spi"; compatible = "allwinner,sun4i-a10-spi";
reg = <0x01c1f000 0x1000>; reg = <0x01c1f000 0x1000>;