korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2024-12-28 21:45:01 +08:00
Code Issues Packages Projects Releases Wiki Activity

arm64: dts: imx8m: add NVMEM provider and consumer to read soc unique ID

Browse Source 
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 <krzk@kernel.org>
Signed-off-by: Alice Guo <alice.guo@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
This commit is contained in:
Alice Guo 2021-01-04 17:15:43 +08:00 committed by Shawn Guo
parent ce58459d8c
commit cbff23797f
4 changed files with 24 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
arch/arm64/boot/dts/freescale/imx8mm.dtsi
View File

@ -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>;
};

6
arch/arm64/boot/dts/freescale/imx8mn.dtsi
View File

@ -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>;
};

6
arch/arm64/boot/dts/freescale/imx8mp.dtsi
View File

@ -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>;
};

6
arch/arm64/boot/dts/freescale/imx8mq.dtsi
View File

@ -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>;
};