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

From: H. Nikolaus Schaller
Date: Thu Apr 05 2018 - 12:04:47 EST


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 <hns@xxxxxxxxxxxxx>
---
arch/arm/boot/dts/omap3-pandora-common.dtsi | 10 ++++++++++
1 file changed, 10 insertions(+)

diff --git a/arch/arm/boot/dts/omap3-pandora-common.dtsi b/arch/arm/boot/dts/omap3-pandora-common.dtsi
index c8d58752e15e..5d9be7d43f05 100644
--- a/arch/arm/boot/dts/omap3-pandora-common.dtsi
+++ b/arch/arm/boot/dts/omap3-pandora-common.dtsi
@@ -28,6 +28,13 @@
display1 = &tv;
};

+ /* fixed 26MHz oscillator */
+ hfclk_26m: oscillator {
+ #clock-cells = <0>;
+ compatible = "fixed-clock";
+ clock-frequency = <26000000>;
+ };
+
tv: connector {
compatible = "connector-analog-tv";
label = "tv";
@@ -417,6 +424,9 @@
interrupts = <7>; /* SYS_NIRQ cascaded to intc */
interrupt-parent = <&intc>;

+ clocks = <&hfclk_26m>;
+ clock-names = "fck";
+
twl_power: power {
compatible = "ti,twl4030-power-reset";
ti,use_poweroff;
--
2.12.2