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

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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
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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>;
};