[PATCH] ARM: dts: omap3-gta04: Add fixed 26MHz clock as fck for twl

[H. Nikolaus Schaller]

The board uses 26MHz oscillator for the twl4030 HFCLK.
This way we will not depend on the bootloader to configure the
CFG_BOOT:HFCLK_FREQ

Signed-off-by: H. Nikolaus Schaller <h...@goldelico.com>
---
 arch/arm/boot/dts/omap3-gta04.dtsi | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/arch/arm/boot/dts/omap3-gta04.dtsi 
b/arch/arm/boot/dts/omap3-gta04.dtsi
index 4170be70460e..ac830b917776 100644
--- a/arch/arm/boot/dts/omap3-gta04.dtsi
+++ b/arch/arm/boot/dts/omap3-gta04.dtsi
@@ -30,6 +30,13 @@
                display0 = &lcd;
        };
 
+       /* fixed 26MHz oscillator */
+       hfclk_26m: oscillator {
+               #clock-cells = <0>;
+               compatible = "fixed-clock";
+               clock-frequency = <26000000>;
+       };
+
        gpio-keys {
                compatible = "gpio-keys";
 
@@ -312,6 +319,9 @@
                interrupts = <7>; /* SYS_NIRQ cascaded to intc */
                interrupt-parent = <&intc>;
 
+               clocks = <&hfclk_26m>;
+               clock-names = "fck";
+
                twl_audio: audio {
                        compatible = "ti,twl4030-audio";
                        ti,enable-vibra = <1>;
-- 
2.12.2