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From: Anson Huang <Anson.Huang@nxp.com>
Date: Fri, 14 Sep 2018 10:59:21 +0800
Subject: [PATCH] ARM: dts: imx6ul: use nvmem-cells for cpu speed grading
On i.MX6UL, accessing OCOTP directly is wrong because the ocotp clock
needs to be enabled first, so use the nvmem-cells binding instead.
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
(cherry picked from commit 92f0eb08c66a73594cf200e65689e767f7f0da5e)
---
arch/arm/boot/dts/imx6ul.dtsi | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/arch/arm/boot/dts/imx6ul.dtsi b/arch/arm/boot/dts/imx6ul.dtsi
index 6dc0b569acdf..c670d8e4e0a9 100644
--- a/arch/arm/boot/dts/imx6ul.dtsi
+++ b/arch/arm/boot/dts/imx6ul.dtsi
@@ -89,6 +89,8 @@
"pll1_sys";
arm-supply = <®_arm>;
soc-supply = <®_soc>;
+ nvmem-cells = <&cpu_speed_grade>;
+ nvmem-cell-names = "speed_grade";
};
};
@@ -932,6 +934,10 @@
tempmon_temp_grade: temp-grade@20 {
reg = <0x20 4>;
};
+
+ cpu_speed_grade: speed-grade@10 {
+ reg = <0x10 4>;
+ };
};
lcdif: lcdif@21c8000 {
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