ARM: dts: add board specific fixed rate clock nodes for Exynos based platforms

The clock frequency of xxti and xusbxti clocks is dependent on the
frequency of the on-board oscillator that is used to generate these
clocks. So allow the frequency of these clocks to be specfied from
device tree.

Signed-off-by: Thomas Abraham <thomas.abraham@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

diff --git a/arch/arm/boot/dts/exynos4210-origen.dts b/arch/arm/boot/dts/exynos4210-origen.dts
index 052606b..1b30bc8 100644 (file)
--- a/arch/arm/boot/dts/exynos4210-origen.dts
+++ b/arch/arm/boot/dts/exynos4210-origen.dts
@@ -127,4 +127,16 @@
                        linux,default-trigger = "heartbeat";
                };
        };
+
+       fixed-rate-clocks {
+               xxti {
+                       compatible = "samsung,clock-xxti";
+                       clock-frequency = <0>;
+               };
+
+               xusbxti {
+                       compatible = "samsung,clock-xusbxti";
+                       clock-frequency = <24000000>;
+               };
+       };
 };

diff --git a/arch/arm/boot/dts/exynos4210-smdkv310.dts b/arch/arm/boot/dts/exynos4210-smdkv310.dts
index 2b1e03a..f52c86e 100644 (file)
--- a/arch/arm/boot/dts/exynos4210-smdkv310.dts
+++ b/arch/arm/boot/dts/exynos4210-smdkv310.dts
@@ -195,4 +195,16 @@
                        };
                };
        };
+
+       fixed-rate-clocks {
+               xxti {
+                       compatible = "samsung,clock-xxti";
+                       clock-frequency = <12000000>;
+               };
+
+               xusbxti {
+                       compatible = "samsung,clock-xusbxti";
+                       clock-frequency = <24000000>;
+               };
+       };
 };

diff --git a/arch/arm/boot/dts/exynos4210-trats.dts b/arch/arm/boot/dts/exynos4210-trats.dts
index c346b64..9a14484 100644 (file)
--- a/arch/arm/boot/dts/exynos4210-trats.dts
+++ b/arch/arm/boot/dts/exynos4210-trats.dts
@@ -289,4 +289,16 @@
                        };
                };
        };
+
+       fixed-rate-clocks {
+               xxti {
+                       compatible = "samsung,clock-xxti";
+                       clock-frequency = <0>;
+               };
+
+               xusbxti {
+                       compatible = "samsung,clock-xusbxti";
+                       clock-frequency = <24000000>;
+               };
+       };
 };

diff --git a/arch/arm/boot/dts/exynos4412-odroidx.dts b/arch/arm/boot/dts/exynos4412-odroidx.dts
index 0084d95..15dc0a3 100644 (file)
--- a/arch/arm/boot/dts/exynos4412-odroidx.dts
+++ b/arch/arm/boot/dts/exynos4412-odroidx.dts
@@ -94,4 +94,16 @@
        serial@13830000 {
                status = "okay";
        };
+
+       fixed-rate-clocks {
+               xxti {
+                       compatible = "samsung,clock-xxti";
+                       clock-frequency = <0>;
+               };
+
+               xusbxti {
+                       compatible = "samsung,clock-xusbxti";
+                       clock-frequency = <24000000>;
+               };
+       };
 };

diff --git a/arch/arm/boot/dts/exynos4412-origen.dts b/arch/arm/boot/dts/exynos4412-origen.dts
index 31e14c4..a5478bd 100644 (file)
--- a/arch/arm/boot/dts/exynos4412-origen.dts
+++ b/arch/arm/boot/dts/exynos4412-origen.dts
@@ -415,4 +415,16 @@
                        };
                };
        };
+
+       fixed-rate-clocks {
+               xxti {
+                       compatible = "samsung,clock-xxti";
+                       clock-frequency = <0>;
+               };
+
+               xusbxti {
+                       compatible = "samsung,clock-xusbxti";
+                       clock-frequency = <24000000>;
+               };
+       };
 };

diff --git a/arch/arm/boot/dts/exynos4412-smdk4412.dts b/arch/arm/boot/dts/exynos4412-smdk4412.dts
index 6ae4276..874beea 100644 (file)
--- a/arch/arm/boot/dts/exynos4412-smdk4412.dts
+++ b/arch/arm/boot/dts/exynos4412-smdk4412.dts
@@ -55,4 +55,16 @@
        serial@13830000 {
                status = "okay";
        };
+
+       fixed-rate-clocks {
+               xxti {
+                       compatible = "samsung,clock-xxti";
+                       clock-frequency = <0>;
+               };
+
+               xusbxti {
+                       compatible = "samsung,clock-xusbxti";
+                       clock-frequency = <24000000>;
+               };
+       };
 };

diff --git a/arch/arm/boot/dts/exynos5250-arndale.dts b/arch/arm/boot/dts/exynos5250-arndale.dts
index 63572f9..5de019c 100644 (file)
--- a/arch/arm/boot/dts/exynos5250-arndale.dts
+++ b/arch/arm/boot/dts/exynos5250-arndale.dts
@@ -119,4 +119,11 @@
        spi_2: spi@12d40000 {
                status = "disabled";
        };
+
+       fixed-rate-clocks {
+               xxti {
+                       compatible = "samsung,clock-xxti";
+                       clock-frequency = <24000000>;
+               };
+       };
 };

diff --git a/arch/arm/boot/dts/exynos5250-smdk5250.dts b/arch/arm/boot/dts/exynos5250-smdk5250.dts
index a8d7233..872ae1f 100644 (file)
--- a/arch/arm/boot/dts/exynos5250-smdk5250.dts
+++ b/arch/arm/boot/dts/exynos5250-smdk5250.dts
@@ -244,4 +244,11 @@
                samsung,link-rate = <0x0a>;
                samsung,lane-count = <4>;
        };
+
+       fixed-rate-clocks {
+               xxti {
+                       compatible = "samsung,clock-xxti";
+                       clock-frequency = <24000000>;
+               };
+       };
 };

diff --git a/arch/arm/boot/dts/exynos5250-snow.dts b/arch/arm/boot/dts/exynos5250-snow.dts
index 47b6b84..babd9f9 100644 (file)
--- a/arch/arm/boot/dts/exynos5250-snow.dts
+++ b/arch/arm/boot/dts/exynos5250-snow.dts
@@ -44,4 +44,11 @@
        usb@12110000 {
                samsung,vbus-gpio = <&gpx1 1 1 3 3>;
        };
+
+       fixed-rate-clocks {
+               xxti {
+                       compatible = "samsung,clock-xxti";
+                       clock-frequency = <24000000>;
+               };
+       };
 };

diff --git a/arch/arm/boot/dts/exynos5440-ssdk5440.dts b/arch/arm/boot/dts/exynos5440-ssdk5440.dts
index ee60c57..a21eb4c 100644 (file)
--- a/arch/arm/boot/dts/exynos5440-ssdk5440.dts
+++ b/arch/arm/boot/dts/exynos5440-ssdk5440.dts
@@ -27,4 +27,11 @@
        spi {
                status = "disabled";
        };
+
+       fixed-rate-clocks {
+               xtal {
+                       compatible = "samsung,clock-xtal";
+                       clock-frequency = <50000000>;
+               };
+       };
 };