ARM: dts: aspeed: rainier: Mark FSI SPI controllers as restricted

Some of the FSI-attached SPI controllers can't use the loop command
due to security requirements. Indicate this in the devicetree with
the restricted compatible string.

Signed-off-by: Eddie James <eajames@linux.ibm.com>
Link: https://lore.kernel.org/r/20201102194713.14812-1-eajames@linux.ibm.com
Signed-off-by: Joel Stanley <joel@jms.id.au>

diff --git a/arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts b/arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts
index 63123bf137e30a6656c5b7e59ee17203991525de..4985473a3e2d52cf2f4b8372d1b65aa7b06a8d1b 100644 (file)
--- a/arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts
+++ b/arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts
@@ -267,6 +267,7 @@
 
                        cfam0_spi2: spi@40 {
                                reg = <0x40>;
+                               compatible = "ibm,fsi2spi-restricted";
                                #address-cells = <1>;
                                #size-cells = <0>;
 
@@ -283,6 +284,7 @@
 
                        cfam0_spi3: spi@60 {
                                reg = <0x60>;
+                               compatible = "ibm,fsi2spi-restricted";
                                #address-cells = <1>;
                                #size-cells = <0>;
 
@@ -379,6 +381,7 @@
 
                        cfam1_spi2: spi@40 {
                                reg = <0x40>;
+                               compatible = "ibm,fsi2spi-restricted";
                                #address-cells = <1>;
                                #size-cells = <0>;
 
@@ -395,6 +398,7 @@
 
                        cfam1_spi3: spi@60 {
                                reg = <0x60>;
+                               compatible = "ibm,fsi2spi-restricted";
                                #address-cells = <1>;
                                #size-cells = <0>;
 
@@ -489,6 +493,7 @@
 
                        cfam2_spi2: spi@40 {
                                reg = <0x40>;
+                               compatible = "ibm,fsi2spi-restricted";
                                #address-cells = <1>;
                                #size-cells = <0>;
 
@@ -505,6 +510,7 @@
 
                        cfam2_spi3: spi@60 {
                                reg = <0x60>;
+                               compatible = "ibm,fsi2spi-restricted";
                                #address-cells = <1>;
                                #size-cells = <0>;