From cbff23797fa1ec00e3bdda57d8472f75c0b7aab9 Mon Sep 17 00:00:00 2001 From: Alice Guo Date: Mon, 4 Jan 2021 17:15:43 +0800 Subject: [PATCH] arm64: dts: imx8m: add NVMEM provider and consumer to read soc unique ID In order to be able to use NVMEM APIs to read soc unique ID, add the nvmem data cell and name for nvmem-cells to the "soc" node, and add a nvmem node which provides soc unique ID to efuse@30350000. Reviewed-by: Krzysztof Kozlowski Signed-off-by: Alice Guo Signed-off-by: Shawn Guo --- arch/arm64/boot/dts/freescale/imx8mm.dtsi | 6 ++++++ arch/arm64/boot/dts/freescale/imx8mn.dtsi | 6 ++++++ arch/arm64/boot/dts/freescale/imx8mp.dtsi | 6 ++++++ arch/arm64/boot/dts/freescale/imx8mq.dtsi | 6 ++++++ 4 files changed, 24 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx8mm.dtsi b/arch/arm64/boot/dts/freescale/imx8mm.dtsi index d457ce815e68..9bee6f1889a4 100644 --- a/arch/arm64/boot/dts/freescale/imx8mm.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mm.dtsi @@ -261,6 +261,8 @@ #address-cells = <1>; #size-cells = <1>; ranges = <0x0 0x0 0x0 0x3e000000>; + nvmem-cells = <&imx8mm_uid>; + nvmem-cell-names = "soc_unique_id"; aips1: bus@30000000 { compatible = "fsl,aips-bus", "simple-bus"; @@ -518,6 +520,10 @@ #address-cells = <1>; #size-cells = <1>; + imx8mm_uid: unique-id@410 { + reg = <0x4 0x8>; + }; + cpu_speed_grade: speed-grade@10 { reg = <0x10 4>; }; diff --git a/arch/arm64/boot/dts/freescale/imx8mn.dtsi b/arch/arm64/boot/dts/freescale/imx8mn.dtsi index e96fd9a24e0e..d021aba5fb1f 100644 --- a/arch/arm64/boot/dts/freescale/imx8mn.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mn.dtsi @@ -245,6 +245,8 @@ #address-cells = <1>; #size-cells = <1>; ranges = <0x0 0x0 0x0 0x3e000000>; + nvmem-cells = <&imx8mn_uid>; + nvmem-cell-names = "soc_unique_id"; aips1: bus@30000000 { compatible = "fsl,aips-bus", "simple-bus"; @@ -531,6 +533,10 @@ #address-cells = <1>; #size-cells = <1>; + imx8mn_uid: unique-id@410 { + reg = <0x4 0x8>; + }; + cpu_speed_grade: speed-grade@10 { reg = <0x10 4>; }; diff --git a/arch/arm64/boot/dts/freescale/imx8mp.dtsi b/arch/arm64/boot/dts/freescale/imx8mp.dtsi index ec6ac523ecfc..9401e92f1c84 100644 --- a/arch/arm64/boot/dts/freescale/imx8mp.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mp.dtsi @@ -222,6 +222,8 @@ #address-cells = <1>; #size-cells = <1>; ranges = <0x0 0x0 0x0 0x3e000000>; + nvmem-cells = <&imx8mp_uid>; + nvmem-cell-names = "soc_unique_id"; aips1: bus@30000000 { compatible = "fsl,aips-bus", "simple-bus"; @@ -328,6 +330,10 @@ #address-cells = <1>; #size-cells = <1>; + imx8mp_uid: unique-id@420 { + reg = <0x8 0x8>; + }; + cpu_speed_grade: speed-grade@10 { reg = <0x10 4>; }; diff --git a/arch/arm64/boot/dts/freescale/imx8mq.dtsi b/arch/arm64/boot/dts/freescale/imx8mq.dtsi index 64398599591b..9fcb001b8dde 100644 --- a/arch/arm64/boot/dts/freescale/imx8mq.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mq.dtsi @@ -291,6 +291,8 @@ #size-cells = <1>; ranges = <0x0 0x0 0x0 0x3e000000>; dma-ranges = <0x40000000 0x0 0x40000000 0xc0000000>; + nvmem-cells = <&imx8mq_uid>; + nvmem-cell-names = "soc_unique_id"; bus@30000000 { /* AIPS1 */ compatible = "fsl,aips-bus", "simple-bus"; @@ -555,6 +557,10 @@ #address-cells = <1>; #size-cells = <1>; + imx8mq_uid: soc-uid@410 { + reg = <0x4 0x8>; + }; + cpu_speed_grade: speed-grade@10 { reg = <0x10 4>; }; -- 2.11.0