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 <krzk@kernel.org>
Signed-off-by: Alice Guo <alice.guo@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

diff --git a/arch/arm64/boot/dts/freescale/imx8mm.dtsi b/arch/arm64/boot/dts/freescale/imx8mm.dtsi
index d457ce815e680166973a10ca3d7cb6396cf5c667..9bee6f1889a4ef6ceb434ebbf87dce50697addca 100644 (file)
--- 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 e96fd9a24e0e71dda73fea5de56dda3b6cc67d73..d021aba5fb1fcc4be944900b0e5f867eac82dd67 100644 (file)
--- 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 ec6ac523ecfcef2dfce29c6a8e397db911c68b03..9401e92f1c84da8b88f7d61070da24eaaf0339b1 100644 (file)
--- 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 64398599591b6739fca53bdee8c969892eeb62a4..9fcb001b8dde7b02a6c703f0bb6d0ca8e6c27c89 100644 (file)
--- 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>;
                                };