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authorPeng Fan <peng.fan@nxp.com>2020-03-11 17:02:06 +0800
committerShawn Guo <shawnguo@kernel.org>2020-03-16 09:18:29 +0800
commitf5d35d87ef061172a25252b2b5402c972b16d3be (patch)
tree1cd6ec8d5014a25e6ccd3efcaba1fddcbe8ec20f /arch/arm/boot/dts/imx6sl.dtsi
parent98670a0bb0ef14bbb3df8542e59e0e6106c0ba53 (diff)
ARM: dts: imx: add nvmem property for cpu0
Add nvmem related property for cpu0, then nvmem API could be used to read cpu speed grading to avoid directly read OCOTP registers mapped which could not handle defer probe. Signed-off-by: Peng Fan <peng.fan@nxp.com> Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Diffstat (limited to 'arch/arm/boot/dts/imx6sl.dtsi')
-rw-r--r--arch/arm/boot/dts/imx6sl.dtsi8
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/imx6sl.dtsi b/arch/arm/boot/dts/imx6sl.dtsi
index c6141ed87e4d..8230b45057a1 100644
--- a/arch/arm/boot/dts/imx6sl.dtsi
+++ b/arch/arm/boot/dts/imx6sl.dtsi
@@ -74,6 +74,8 @@
arm-supply = <&reg_arm>;
pu-supply = <&reg_pu>;
soc-supply = <&reg_soc>;
+ nvmem-cells = <&cpu_speed_grade>;
+ nvmem-cell-names = "speed_grade";
};
};
@@ -953,6 +955,12 @@
compatible = "fsl,imx6sl-ocotp", "syscon";
reg = <0x021bc000 0x4000>;
clocks = <&clks IMX6SL_CLK_OCOTP>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ cpu_speed_grade: speed-grade@10 {
+ reg = <0x10 4>;
+ };
};
audmux: audmux@21d8000 {