[PATCH v5 3/3] arm: dts: am335x-sancloud-bbe-lite: UEFI SPI export

Paul Barker
2022-11-23T17:51:11Z

Add properties to the Authenta SPI flash device node to enable access by
a UEFI application using a fixed GUID.

Signed-off-by: Paul Barker <paul.barker@sancloud.com>
---
arch/arm/dts/am335x-sancloud-bbe-lite-u-boot.dtsi | 13 ++++++++++---
arch/arm/dts/am335x-sancloud-bbe-lite.dts | 2 +-
2 files changed, 11 insertions(+), 4 deletions(-)

diff --git a/arch/arm/dts/am335x-sancloud-bbe-lite-u-boot.dtsi b/arch/arm/dts/am335x-sancloud-bbe-lite-u-boot.dtsi
index 01c105ebb383..6c4ff67f9a4b 100644
--- a/arch/arm/dts/am335x-sancloud-bbe-lite-u-boot.dtsi
+++ b/arch/arm/dts/am335x-sancloud-bbe-lite-u-boot.dtsi
@@ -38,7 +38,14 @@

&spi0 {
u-boot,dm-pre-reloc;
- channel@0 {
- u-boot,dm-pre-reloc;
- };
+};
+
+&authenta_flash {
+ u-boot,dm-pre-reloc;
+
+ u-boot,uefi-spi-vendor = "micron";
+ u-boot,uefi-spi-part-number = "mt25ql128abb";
+ /* GUID in UEFI format: 77126730-a4ca-4386-b341-881fe18e7f7d */
+ u-boot,uefi-spi-io-guid = [30 67 12 77 ca a4 86 43
+ b3 41 88 1f e1 8e 7f 7d];
};
diff --git a/arch/arm/dts/am335x-sancloud-bbe-lite.dts b/arch/arm/dts/am335x-sancloud-bbe-lite.dts
index 8ffbc72dc57e..3909092a140f 100644
--- a/arch/arm/dts/am335x-sancloud-bbe-lite.dts
+++ b/arch/arm/dts/am335x-sancloud-bbe-lite.dts
@@ -37,7 +37,7 @@
pinctrl-names = "default";
pinctrl-0 = <&bb_spi0_pins>;

- channel@0 {
+ authenta_flash: channel@0 {
#address-cells = <1>;
#size-cells = <0>;

--
2.25.1