ARM: dts: logicpd-torpedo: Add fixed 26MHz clock as fck for twl
diff mbox

Message ID 20180504210011.14733-1-aford173@gmail.com
State New
Headers show

Commit Message

Adam Ford May 4, 2018, 9 p.m. UTC
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: Adam Ford <aford173@gmail.com>

Comments

Tony Lindgren May 15, 2018, 6:21 p.m. UTC | #1
* Adam Ford <aford173@gmail.com> [180504 14:02]:
> 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

Applying both similar patches into omap-for-v4.18/dt.

Thanks,

Tony
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Patch
diff mbox

diff --git a/arch/arm/boot/dts/logicpd-torpedo-som.dtsi b/arch/arm/boot/dts/logicpd-torpedo-som.dtsi
index 3e174e474d3d..7d2302e8706c 100644
--- a/arch/arm/boot/dts/logicpd-torpedo-som.dtsi
+++ b/arch/arm/boot/dts/logicpd-torpedo-som.dtsi
@@ -30,6 +30,13 @@ 
 			linux,default-trigger = "none";
 		};
 	};
+
+	/* fixed 26MHz oscillator */
+	hfclk_26m: oscillator {
+		#clock-cells = <0>;
+		compatible = "fixed-clock";
+		clock-frequency = <26000000>;
+	};
 };
 
 &gpmc {
@@ -74,6 +81,9 @@ 
 		reg = <0x48>;
 		interrupts = <7>; /* SYS_NIRQ cascaded to intc */
 		interrupt-parent = <&intc>;
+		clocks = <&hfclk_26m>;
+		clock-names = "fck";
+
 		twl_audio: audio {
 			compatible = "ti,twl4030-audio";
 			codec {