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Date: Tue, 10 Dec 2013 15:35:10 +0530
From: Yuvaraj Kumar C D <yuvaraj.cd@...il.com>
To: kishon@...com, kgene.kim@...sung.com, linux-kernel@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
linux-doc@...r.kernel.org
Cc: grant.likely@...aro.org, rob.herring@...xeda.com,
swarren@...dotorg.org, mark.rutland@....com,
sachin.kamat@...aro.org, b.zolnierkie@...sung.com,
jg1.han@...sung.com, t.figa@...sung.com,
christoffer.dall@...aro.org, joshi@...sung.com,
Yuvaraj Kumar C D <yuvaraj.cd@...sung.com>
Subject: [PATCH V3 2/2] ARM: dts: Enable ahci sata and sata phy
This patch adds dt entry for ahci sata controller and its
corresponding phy controller.phy node has been added w.r.t
new generic phy framework.
Changes since V2:
1.Used syscon interface to PMU handling.
2.Changed "sata-phy-i2c" to "exynos-sataphy-i2c".
Changes since V1:
1.Minor changes to node name convention.
2.Updated binding document.
Signed-off-by: Yuvaraj Kumar C D <yuvaraj.cd@...sung.com>
---
.../devicetree/bindings/ata/exynos-sata-phy.txt | 19 ++++++++++++++-----
.../devicetree/bindings/ata/exynos-sata.txt | 17 ++++++++++++-----
.../devicetree/bindings/ata/exynos_sataphy_i2c.txt | 12 ++++++++++++
arch/arm/boot/dts/exynos5250-arndale.dts | 9 ++++++++-
arch/arm/boot/dts/exynos5250-smdk5250.dts | 8 ++------
arch/arm/boot/dts/exynos5250.dtsi | 16 ++++++++++++----
6 files changed, 60 insertions(+), 21 deletions(-)
create mode 100644 Documentation/devicetree/bindings/ata/exynos_sataphy_i2c.txt
diff --git a/Documentation/devicetree/bindings/ata/exynos-sata-phy.txt b/Documentation/devicetree/bindings/ata/exynos-sata-phy.txt
index 37824fa..a679e17 100644
--- a/Documentation/devicetree/bindings/ata/exynos-sata-phy.txt
+++ b/Documentation/devicetree/bindings/ata/exynos-sata-phy.txt
@@ -4,11 +4,20 @@ 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"
+- compatible : compatible list, contains "samsung,exynos5250-sata-phy"
- reg : <registers mapping>
Example:
- sata@...07000 {
- compatible = "samsung,exynos5-sata-phy";
- reg = <0xffe07000 0x1000>;
- };
+ sata_phy: sata-phy@...70000 {
+ compatible = "samsung,exynos5250-sata-phy";
+ reg = <0x12170000 0x1ff>;
+ clocks = <&clock 287>;
+ clock-names = "sata_phyctrl";
+ #phy-cells = <0>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges;
+ sataphy-pmu {
+ reg = <0x10040724 0x4>;
+ };
+ };
diff --git a/Documentation/devicetree/bindings/ata/exynos-sata.txt b/Documentation/devicetree/bindings/ata/exynos-sata.txt
index 0849f10..918bff8 100644
--- a/Documentation/devicetree/bindings/ata/exynos-sata.txt
+++ b/Documentation/devicetree/bindings/ata/exynos-sata.txt
@@ -8,10 +8,17 @@ Required properties:
- interrupts : <interrupt mapping for SATA IRQ>
- reg : <registers mapping>
- samsung,sata-freq : <frequency in MHz>
+- phys : as mentioned in phy-bindings.txt
+- phy-names : as mentioned in phy-bindings.txt
Example:
- sata@...08000 {
- compatible = "samsung,exynos5-sata";
- reg = <0xffe08000 0x1000>;
- interrupts = <115>;
- };
+ sata@...f0000 {
+ compatible = "snps,dwc-ahci";
+ samsung,sata-freq = <66>;
+ reg = <0x122f0000 0x1ff>;
+ interrupts = <0 115 0>;
+ clocks = <&clock 277>, <&clock 143>;
+ clock-names = "sata", "sclk_sata";
+ phys = <&sata_phy>;
+ phy-names = "sata-phy";
+ };
diff --git a/Documentation/devicetree/bindings/ata/exynos_sataphy_i2c.txt b/Documentation/devicetree/bindings/ata/exynos_sataphy_i2c.txt
new file mode 100644
index 0000000..deabba9
--- /dev/null
+++ b/Documentation/devicetree/bindings/ata/exynos_sataphy_i2c.txt
@@ -0,0 +1,12 @@
+Device-Tree bindings for sataphy i2c client driver
+
+Required properties:
+compatible: Should be "samsung,exynos-sataphy-i2c"
+- reg: I2C address of the sataphy i2c device.
+
+Example:
+
+ sata-phy@38 {
+ compatible = "samsung,exynos-sataphy-i2c";
+ reg = <0x38>;
+ };
diff --git a/arch/arm/boot/dts/exynos5250-arndale.dts b/arch/arm/boot/dts/exynos5250-arndale.dts
index b77a37e..dca74bb 100644
--- a/arch/arm/boot/dts/exynos5250-arndale.dts
+++ b/arch/arm/boot/dts/exynos5250-arndale.dts
@@ -381,7 +381,14 @@
};
i2c@...D0000 {
- status = "disabled";
+ samsung,i2c-sda-delay = <100>;
+ samsung,i2c-max-bus-freq = <40000>;
+ samsung,i2c-slave-addr = <0x38>;
+
+ sata-phy@38 {
+ compatible = "samsung,exynos-sataphy-i2c";
+ reg = <0x38>;
+ };
};
mmc_0: mmc@...00000 {
diff --git a/arch/arm/boot/dts/exynos5250-smdk5250.dts b/arch/arm/boot/dts/exynos5250-smdk5250.dts
index 13746df..b3c359a4 100644
--- a/arch/arm/boot/dts/exynos5250-smdk5250.dts
+++ b/arch/arm/boot/dts/exynos5250-smdk5250.dts
@@ -90,16 +90,12 @@
samsung,i2c-max-bus-freq = <40000>;
samsung,i2c-slave-addr = <0x38>;
- sata-phy {
- compatible = "samsung,sata-phy";
+ sata-phy@38 {
+ compatible = "samsung,exynos-sataphy-i2c";
reg = <0x38>;
};
};
- sata@...F0000 {
- samsung,sata-freq = <66>;
- };
-
i2c@...80000 {
samsung,i2c-sda-delay = <100>;
samsung,i2c-max-bus-freq = <66000>;
diff --git a/arch/arm/boot/dts/exynos5250.dtsi b/arch/arm/boot/dts/exynos5250.dtsi
index 5d5d3d0..5d4c8fa 100644
--- a/arch/arm/boot/dts/exynos5250.dtsi
+++ b/arch/arm/boot/dts/exynos5250.dtsi
@@ -46,6 +46,7 @@
i2c6 = &i2c_6;
i2c7 = &i2c_7;
i2c8 = &i2c_8;
+ i2c9 = &i2c_9;
pinctrl0 = &pinctrl_0;
pinctrl1 = &pinctrl_1;
pinctrl2 = &pinctrl_2;
@@ -229,16 +230,23 @@
};
sata@...F0000 {
- compatible = "samsung,exynos5-sata-ahci";
+ compatible = "snps,dwc-ahci";
+ samsung,sata-freq = <66>;
reg = <0x122F0000 0x1ff>;
interrupts = <0 115 0>;
clocks = <&clock 277>, <&clock 143>;
clock-names = "sata", "sclk_sata";
+ phys = <&sata_phy>;
+ phy-names = "sata-phy";
};
- sata-phy@...70000 {
- compatible = "samsung,exynos5-sata-phy";
+ sata_phy: sata-phy@...70000 {
+ compatible = "samsung,exynos5250-sata-phy";
reg = <0x12170000 0x1ff>;
+ clocks = <&clock 287>;
+ clock-names = "sata_phyctrl";
+ #phy-cells = <0>;
+ samsung,syscon-phandle = <&pmu_syscon>;
};
i2c_0: i2c@...60000 {
@@ -347,7 +355,7 @@
clock-names = "i2c";
};
- i2c@...D0000 {
+ i2c_9: i2c@...D0000 {
compatible = "samsung,exynos5-sata-phy-i2c";
reg = <0x121D0000 0x100>;
#address-cells = <1>;
--
1.7.9.5
--
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