From: Adam Ford <aford173@gmail.com>
Date: Fri, 4 May 2018 21:00:10 +0000 (-0500)
Subject: ARM: dts: logicpd-torpedo: Add fixed 26MHz clock as fck for twl
X-Git-Tag: v4.18-rc1~50^2~19^2~11
X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=d0174fa4fe0ee921eb149d86044ff82e3aea6cb0;p=uclinux-h8%2Flinux.git

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

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>
Signed-off-by: Tony Lindgren <tony@atomide.com>
---

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 {