[PATCH 4/9] ARM: dts: uniphier: add reference clock nodes

[Masahiro Yamada]

Add master clock nodes generated by crystal oscillators.

  PH1-sLD3, PH1-LD4: 24.576 MHz
  PH1-Pro4, ProXstream2: 25.000 MHz
  PH1-Pro5: 20.000 MHz

Signed-off-by: Masahiro Yamada <yamada.masah...@socionext.com>
---

 arch/arm/boot/dts/uniphier-common32.dtsi    | 7 +++++++
 arch/arm/boot/dts/uniphier-ph1-ld4.dtsi     | 4 ++++
 arch/arm/boot/dts/uniphier-ph1-pro4.dtsi    | 4 ++++
 arch/arm/boot/dts/uniphier-ph1-pro5.dtsi    | 4 ++++
 arch/arm/boot/dts/uniphier-ph1-sld3.dtsi    | 6 ++++++
 arch/arm/boot/dts/uniphier-ph1-sld8.dtsi    | 4 ++++
 arch/arm/boot/dts/uniphier-proxstream2.dtsi | 4 ++++
 7 files changed, 33 insertions(+)

diff --git a/arch/arm/boot/dts/uniphier-common32.dtsi 
b/arch/arm/boot/dts/uniphier-common32.dtsi
index ae48d28..77a6694 100644
--- a/arch/arm/boot/dts/uniphier-common32.dtsi
+++ b/arch/arm/boot/dts/uniphier-common32.dtsi
@@ -45,6 +45,13 @@
 /include/ "skeleton.dtsi"
 
 / {
+       clocks {
+               refclk: ref {
+                       #clock-cells = <0>;
+                       compatible = "fixed-clock";
+               };
+       };
+
        soc: soc {
                compatible = "simple-bus";
                #address-cells = <1>;
diff --git a/arch/arm/boot/dts/uniphier-ph1-ld4.dtsi 
b/arch/arm/boot/dts/uniphier-ph1-ld4.dtsi
index 34f0d8d..dadd860 100644
--- a/arch/arm/boot/dts/uniphier-ph1-ld4.dtsi
+++ b/arch/arm/boot/dts/uniphier-ph1-ld4.dtsi
@@ -173,6 +173,10 @@
 
 };
 
+&refclk {
+       clock-frequency = <24576000>;
+};
+
 &serial3 {
        interrupts = <0 29 4>;
 };
diff --git a/arch/arm/boot/dts/uniphier-ph1-pro4.dtsi 
b/arch/arm/boot/dts/uniphier-ph1-pro4.dtsi
index d78142f..20f3f2a 100644
--- a/arch/arm/boot/dts/uniphier-ph1-pro4.dtsi
+++ b/arch/arm/boot/dts/uniphier-ph1-pro4.dtsi
@@ -195,6 +195,10 @@
        };
 };
 
+&refclk {
+       clock-frequency = <25000000>;
+};
+
 &pinctrl {
        compatible = "socionext,ph1-pro4-pinctrl", "syscon";
 };
diff --git a/arch/arm/boot/dts/uniphier-ph1-pro5.dtsi 
b/arch/arm/boot/dts/uniphier-ph1-pro5.dtsi
index 2f389ea..24f6f66 100644
--- a/arch/arm/boot/dts/uniphier-ph1-pro5.dtsi
+++ b/arch/arm/boot/dts/uniphier-ph1-pro5.dtsi
@@ -189,6 +189,10 @@
        };
 };
 
+&refclk {
+       clock-frequency = <20000000>;
+};
+
 &pinctrl {
        compatible = "socionext,ph1-pro5-pinctrl", "syscon";
 };
diff --git a/arch/arm/boot/dts/uniphier-ph1-sld3.dtsi 
b/arch/arm/boot/dts/uniphier-ph1-sld3.dtsi
index ef94d2e..0c61e74 100644
--- a/arch/arm/boot/dts/uniphier-ph1-sld3.dtsi
+++ b/arch/arm/boot/dts/uniphier-ph1-sld3.dtsi
@@ -68,6 +68,12 @@
        };
 
        clocks {
+               refclk: ref {
+                       #clock-cells = <0>;
+                       compatible = "fixed-clock";
+                       clock-frequency = <24576000>;
+               };
+
                arm_timer_clk: arm_timer_clk {
                        #clock-cells = <0>;
                        compatible = "fixed-clock";
diff --git a/arch/arm/boot/dts/uniphier-ph1-sld8.dtsi 
b/arch/arm/boot/dts/uniphier-ph1-sld8.dtsi
index 7d06a1c..6bfd29a 100644
--- a/arch/arm/boot/dts/uniphier-ph1-sld8.dtsi
+++ b/arch/arm/boot/dts/uniphier-ph1-sld8.dtsi
@@ -172,6 +172,10 @@
        };
 };
 
+&refclk {
+       clock-frequency = <25000000>;
+};
+
 &serial3 {
        interrupts = <0 29 4>;
 };
diff --git a/arch/arm/boot/dts/uniphier-proxstream2.dtsi 
b/arch/arm/boot/dts/uniphier-proxstream2.dtsi
index 6bd353f..4ac484c 100644
--- a/arch/arm/boot/dts/uniphier-proxstream2.dtsi
+++ b/arch/arm/boot/dts/uniphier-proxstream2.dtsi
@@ -200,6 +200,10 @@
        };
 };
 
+&refclk {
+       clock-frequency = <25000000>;
+};
+
 &pinctrl {
        compatible = "socionext,proxstream2-pinctrl", "syscon";
 };
-- 
1.9.1