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122 lines
3.4 KiB
122 lines
3.4 KiB
From 3cae1df0e62432a80db86c80e261eb9bbed326ee Mon Sep 17 00:00:00 2001
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From: Oliver Schinagl <oliver@schinagl.nl>
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Date: Tue, 3 Dec 2013 12:10:11 +0100
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Subject: [PATCH] ARM: sun4i: dt: Add ahci / sata support
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This patch adds sunxi sata support to A10 boards that have such a connector.
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Some boards also feature a regulator via a GPIO and support for this is also
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added.
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Signed-off-by: Olliver Schinagl <oliver@schinagl.nl>
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Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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---
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arch/arm/boot/dts/sun4i-a10-a1000.dts | 4 ++++
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arch/arm/boot/dts/sun4i-a10-cubieboard.dts | 6 +++++
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arch/arm/boot/dts/sun4i-a10.dtsi | 8 +++++++
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arch/arm/boot/dts/sunxi-ahci-reg.dtsi | 36 ++++++++++++++++++++++++++++++
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4 files changed, 54 insertions(+)
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create mode 100644 arch/arm/boot/dts/sunxi-ahci-reg.dtsi
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diff --git a/arch/arm/boot/dts/sun4i-a10-a1000.dts b/arch/arm/boot/dts/sun4i-a10-a1000.dts
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index cbd2e13..d6ec839 100644
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--- a/arch/arm/boot/dts/sun4i-a10-a1000.dts
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+++ b/arch/arm/boot/dts/sun4i-a10-a1000.dts
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@@ -35,6 +35,10 @@
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};
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};
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+ ahci: sata@01c18000 {
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+ status = "okay";
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+ };
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+
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pinctrl@01c20800 {
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emac_power_pin_a1000: emac_power_pin@0 {
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allwinner,pins = "PH15";
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diff --git a/arch/arm/boot/dts/sun4i-a10-cubieboard.dts b/arch/arm/boot/dts/sun4i-a10-cubieboard.dts
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index b139ee6..6df237d8 100644
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--- a/arch/arm/boot/dts/sun4i-a10-cubieboard.dts
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+++ b/arch/arm/boot/dts/sun4i-a10-cubieboard.dts
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@@ -12,6 +12,7 @@
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/dts-v1/;
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/include/ "sun4i-a10.dtsi"
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+/include/ "sunxi-ahci-reg.dtsi"
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/ {
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model = "Cubietech Cubieboard";
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@@ -33,6 +34,11 @@
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};
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};
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+ ahci: sata@01c18000 {
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+ target-supply = <®_ahci_5v>;
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+ status = "okay";
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+ };
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+
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pinctrl@01c20800 {
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led_pins_cubieboard: led_pins@0 {
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allwinner,pins = "PH20", "PH21";
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diff --git a/arch/arm/boot/dts/sun4i-a10.dtsi b/arch/arm/boot/dts/sun4i-a10.dtsi
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index 336dbec..454077a 100644
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--- a/arch/arm/boot/dts/sun4i-a10.dtsi
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+++ b/arch/arm/boot/dts/sun4i-a10.dtsi
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@@ -338,6 +338,14 @@
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#size-cells = <0>;
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};
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+ ahci: sata@01c18000 {
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+ compatible = "allwinner,sun4i-a10-ahci";
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+ reg = <0x01c18000 0x1000>;
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+ interrupts = <56>;
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+ clocks = <&pll6 0>, <&ahb_gates 25>;
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+ status = "disabled";
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+ };
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+
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intc: interrupt-controller@01c20400 {
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compatible = "allwinner,sun4i-ic";
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reg = <0x01c20400 0x400>;
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diff --git a/arch/arm/boot/dts/sunxi-ahci-reg.dtsi b/arch/arm/boot/dts/sunxi-ahci-reg.dtsi
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new file mode 100644
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index 0000000..7072af1
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--- /dev/null
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+++ b/arch/arm/boot/dts/sunxi-ahci-reg.dtsi
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@@ -0,0 +1,36 @@
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+/*
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+ * sunxi boards sata target power supply common code
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+ *
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+ * Copyright 2014 - Hans de Goede <hdegoede@redhat.com>
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+ *
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+ * The code contained herein is licensed under the GNU General Public
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+ * License. You may obtain a copy of the GNU General Public License
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+ * Version 2 or later at the following locations:
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+ *
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+ * http://www.opensource.org/licenses/gpl-license.html
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+ * http://www.gnu.org/copyleft/gpl.html
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+ */
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+
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+/ {
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+ soc@01c00000 {
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+ pio: pinctrl@01c20800 {
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+ ahci_pwr_pin_a: ahci_pwr_pin@0 {
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+ allwinner,pins = "PB8";
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+ allwinner,function = "gpio_out";
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+ allwinner,drive = <0>;
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+ allwinner,pull = <0>;
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+ };
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+ };
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+ };
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+
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+ reg_ahci_5v: ahci-5v {
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+ compatible = "regulator-fixed";
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+ pinctrl-names = "default";
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+ pinctrl-0 = <&ahci_pwr_pin_a>;
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+ regulator-name = "ahci-5v";
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+ regulator-min-microvolt = <5000000>;
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+ regulator-max-microvolt = <5000000>;
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+ enable-active-high;
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+ gpio = <&pio 1 8 0>;
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+ };
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+};
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--
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1.8.5.5
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