From: Adam Ford <aford173@gmail.com>
Date: Fri, 4 May 2018 21:00:11 +0000 (-0500)
Subject: ARM: dts: logicpd-som-lv: Add fixed 26MHz clock as fck for twl
X-Git-Tag: Ubuntu-5.4-5.4.0-11.14~5163^2~19^2~10
X-Git-Url: https://git.proxmox.com/?a=commitdiff_plain;h=8eb43b0ada5270027c536794c767afc10ee5a9a9;p=mirror_ubuntu-focal-kernel.git

ARM: dts: logicpd-som-lv: 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-som-lv.dtsi b/arch/arm/boot/dts/logicpd-som-lv.dtsi
index 5957943a8645..9e49697c7bee 100644
--- a/arch/arm/boot/dts/logicpd-som-lv.dtsi
+++ b/arch/arm/boot/dts/logicpd-som-lv.dtsi
@@ -35,6 +35,13 @@
 		reset-gpios = <&gpio1 4 GPIO_ACTIVE_LOW>; /* gpio_4 */
 		#phy-cells = <0>;
 	};
+
+	/* fixed 26MHz oscillator */
+	hfclk_26m: oscillator {
+		#clock-cells = <0>;
+		compatible = "fixed-clock";
+		clock-frequency = <26000000>;
+	};
 };
 
 &gpmc {
@@ -79,6 +86,8 @@
 		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 {