ARM: EXYNOS: DT Support for SATA and SATA PHY

This patch adds Device Nodes for SATA and SATA PHY device.

Signed-off-by: Vasanth Ananthan <vasanth.a@samsung.com>
[kgene.kim@samsung.com: removed address definitions as per comments]
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

5 files changed, 70 insertions, 0 deletions

diff --git a/Documentation/devicetree/bindings/ata/exynos-sata-phy.txt b/Documentation/devicetree/bindings/ata/exynos-sata-phy.txt
new file mode 100644
index 000000000000..37824fac688e
--- /dev/null
+++ b/Documentation/devicetree/bindings/ata/exynos-sata-phy.txt
@@ -0,0 +1,14 @@
+* Samsung SATA PHY Controller
+
+SATA PHY nodes are defined to describe on-chip SATA Physical layer controllers.
+Each SATA PHY controller should have its own node.
+
+Required properties:
+- compatible        : compatible list, contains "samsung,exynos5-sata-phy"
+- reg               : <registers mapping>
+
+Example:
+        sata@ffe07000 {
+                compatible = "samsung,exynos5-sata-phy";
+                reg = <0xffe07000 0x1000>;
+        };
diff --git a/Documentation/devicetree/bindings/ata/exynos-sata.txt b/Documentation/devicetree/bindings/ata/exynos-sata.txt
new file mode 100644
index 000000000000..0849f1025e34
--- /dev/null
+++ b/Documentation/devicetree/bindings/ata/exynos-sata.txt
@@ -0,0 +1,17 @@
+* Samsung AHCI SATA Controller
+
+SATA nodes are defined to describe on-chip Serial ATA controllers.
+Each SATA controller should have its own node.
+
+Required properties:
+- compatible        : compatible list, contains "samsung,exynos5-sata"
+- interrupts        : <interrupt mapping for SATA IRQ>
+- reg               : <registers mapping>
+- samsung,sata-freq : <frequency in MHz>
+
+Example:
+        sata@ffe08000 {
+                compatible = "samsung,exynos5-sata";
+                reg = <0xffe08000 0x1000>;
+                interrupts = <115>;
+        };
diff --git a/arch/arm/boot/dts/exynos5250-smdk5250.dts b/arch/arm/boot/dts/exynos5250-smdk5250.dts
index 21d4ccdb0a5a..3f8c2ab1d038 100644
--- a/arch/arm/boot/dts/exynos5250-smdk5250.dts
+++ b/arch/arm/boot/dts/exynos5250-smdk5250.dts
@@ -55,6 +55,21 @@
                 };
         };
 
+        i2c@121D0000 {
+                samsung,i2c-sda-delay = <100>;
+                samsung,i2c-max-bus-freq = <40000>;
+                samsung,i2c-slave-addr = <0x38>;
+
+                sata-phy {
+                        compatible = "samsung,sata-phy";
+                        reg = <0x38>;
+                };
+        };
+
+        sata@122F0000 {
+                samsung,sata-freq = <66>;
+        };
+
         i2c@12C80000 {
                 status = "disabled";
         };
diff --git a/arch/arm/boot/dts/exynos5250.dtsi b/arch/arm/boot/dts/exynos5250.dtsi
index 670dfdb01a09..e913525a4814 100644
--- a/arch/arm/boot/dts/exynos5250.dtsi
+++ b/arch/arm/boot/dts/exynos5250.dtsi
@@ -104,6 +104,17 @@
                 interrupts = <0 54 0>;
         };
 
+        sata@122F0000 {
+                compatible = "samsung,exynos5-sata-ahci";
+                reg = <0x122F0000 0x1ff>;
+                interrupts = <0 115 0>;
+        };
+
+        sata-phy@12170000 {
+                compatible = "samsung,exynos5-sata-phy";
+                reg = <0x12170000 0x1ff>;
+        };
+
         i2c@12C60000 {
                 compatible = "samsung,s3c2440-i2c";
                 reg = <0x12C60000 0x100>;
@@ -168,6 +179,13 @@
                 #size-cells = <0>;
         };
 
+        i2c@121D0000 {
+                compatible = "samsung,exynos5-sata-phy-i2c";
+                reg = <0x121D0000 0x100>;
+                #address-cells = <1>;
+                #size-cells = <0>;
+        };
+
         spi_0: spi@12d20000 {
                 compatible = "samsung,exynos4210-spi";
                 reg = <0x12d20000 0x100>;
diff --git a/arch/arm/mach-exynos/mach-exynos5-dt.c b/arch/arm/mach-exynos/mach-exynos5-dt.c
index 4c0f3369abdf..a88c19f5efcc 100644
--- a/arch/arm/mach-exynos/mach-exynos5-dt.c
+++ b/arch/arm/mach-exynos/mach-exynos5-dt.c
@@ -64,6 +64,12 @@ static const struct of_dev_auxdata exynos5250_auxdata_lookup[] __initconst = {
                                 "exynos4210-spi.1", NULL),
         OF_DEV_AUXDATA("samsung,exynos4210-spi", EXYNOS5_PA_SPI2,
                                 "exynos4210-spi.2", NULL),
+        OF_DEV_AUXDATA("samsung,exynos5-sata-ahci", 0x122F0000,
+                                "exynos5-sata", NULL),
+        OF_DEV_AUXDATA("samsung,exynos5-sata-phy", 0x12170000,
+                                "exynos5-sata-phy", NULL),
+        OF_DEV_AUXDATA("samsung,exynos5-sata-phy-i2c", 0x121D0000,
+                                "exynos5-sata-phy-i2c", NULL),
         OF_DEV_AUXDATA("arm,pl330", EXYNOS5_PA_PDMA0, "dma-pl330.0", NULL),
         OF_DEV_AUXDATA("arm,pl330", EXYNOS5_PA_PDMA1, "dma-pl330.1", NULL),
         OF_DEV_AUXDATA("arm,pl330", EXYNOS5_PA_MDMA1, "dma-pl330.2", NULL),