From: Oliver Schinagl <[email protected]>

This patch adds sunxi sata support to A10 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 <[email protected]>
Signed-off-by: Hans de Goede <[email protected]>
---
 arch/arm/boot/dts/sun4i-a10-a1000.dts      |  4 ++++
 arch/arm/boot/dts/sun4i-a10-cubieboard.dts | 27 +++++++++++++++++++++++++++
 arch/arm/boot/dts/sun4i-a10.dtsi           |  9 +++++++++
 3 files changed, 40 insertions(+)

diff --git a/arch/arm/boot/dts/sun4i-a10-a1000.dts 
b/arch/arm/boot/dts/sun4i-a10-a1000.dts
index aef8207..fd6d512 100644
--- a/arch/arm/boot/dts/sun4i-a10-a1000.dts
+++ b/arch/arm/boot/dts/sun4i-a10-a1000.dts
@@ -48,6 +48,10 @@
                        status = "okay";
                };
 
+               sata: ahci@01c18000 {
+                       status = "okay";
+               };
+
                pinctrl@01c20800 {
                        mmc0_cd_pin_a1000: mmc0_cd_pin@0 {
                                allwinner,pins = "PH1";
diff --git a/arch/arm/boot/dts/sun4i-a10-cubieboard.dts 
b/arch/arm/boot/dts/sun4i-a10-cubieboard.dts
index f50fb2b..53ac453 100644
--- a/arch/arm/boot/dts/sun4i-a10-cubieboard.dts
+++ b/arch/arm/boot/dts/sun4i-a10-cubieboard.dts
@@ -51,7 +51,19 @@
                        status = "okay";
                };
 
+               sata: ahci@01c18000 {
+                       pwr-supply = <&reg_ahci_5v>;
+                       status = "okay";
+               };
+
                pinctrl@01c20800 {
+                       ahci_pwr_pin_cubieboard: ahci_pwr_pin@0 {
+                               allwinner,pins = "PB8";
+                               allwinner,function = "gpio_out";
+                               allwinner,drive = <0>;
+                               allwinner,pull = <0>;
+                       };
+
                        mmc0_cd_pin_cubieboard: mmc0_cd_pin@0 {
                                allwinner,pins = "PH1";
                                allwinner,function = "gpio_in";
@@ -102,4 +114,19 @@
                        linux,default-trigger = "heartbeat";
                };
        };
+
+       regulators {
+               compatible = "simple-bus";
+               pinctrl-names = "default";
+
+               reg_ahci_5v: ahci-5v {
+                       compatible = "regulator-fixed";
+                       regulator-name = "ahci-5v";
+                       regulator-min-microvolt = <5000000>;
+                       regulator-max-microvolt = <5000000>;
+                       pinctrl-0 = <&ahci_pwr_pin_cubieboard>;
+                       gpio = <&pio 1 8 0>;
+                       enable-active-high;
+               };
+       };
 };
diff --git a/arch/arm/boot/dts/sun4i-a10.dtsi b/arch/arm/boot/dts/sun4i-a10.dtsi
index 4736dd2..731b491 100644
--- a/arch/arm/boot/dts/sun4i-a10.dtsi
+++ b/arch/arm/boot/dts/sun4i-a10.dtsi
@@ -331,6 +331,15 @@
                        status = "disabled";
                };
 
+               sata: ahci@01c18000 {
+                       compatible = "allwinner,sun4i-a10-ahci";
+                       reg = <0x01c18000 0x1000>;
+                       interrupts = <56>;
+                       clocks = <&ahb_gates 25>, <&pll6 0>;
+                       clock-names = "ahb_sata", "pll6_sata";
+                       status = "disabled";
+               };
+
                intc: interrupt-controller@01c20400 {
                        compatible = "allwinner,sun4i-ic";
                        reg = <0x01c20400 0x400>;
-- 
1.8.4.2

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