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Diffstat (limited to 'target/linux/brcm2708/patches-4.19/950-0261-Add-overlay-for-SLB9760-Iridium-LetsTrust-TPM.patch')
-rw-r--r--target/linux/brcm2708/patches-4.19/950-0261-Add-overlay-for-SLB9760-Iridium-LetsTrust-TPM.patch92
1 files changed, 92 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.19/950-0261-Add-overlay-for-SLB9760-Iridium-LetsTrust-TPM.patch b/target/linux/brcm2708/patches-4.19/950-0261-Add-overlay-for-SLB9760-Iridium-LetsTrust-TPM.patch
new file mode 100644
index 0000000000..16539aa305
--- /dev/null
+++ b/target/linux/brcm2708/patches-4.19/950-0261-Add-overlay-for-SLB9760-Iridium-LetsTrust-TPM.patch
@@ -0,0 +1,92 @@
+From 82298c670f768f392f48526fe7c8a93682e83998 Mon Sep 17 00:00:00 2001
+From: Peter Huewe <peterhuewe@gmx.de>
+Date: Thu, 14 Jun 2018 22:51:24 +0200
+Subject: [PATCH] Add overlay for SLB9760 Iridium /LetsTrust TPM
+
+Device Tree overlay for the Infineon SLB9670 Trusted Platform Module add-on
+boards, which can be used as a secure key storage and hwrng.
+available as "Iridium SLB9670" by Infineon and "LetsTrust TPM" by
+pi3g.
+
+Signed-off-by: Peter Huewe <peterhuewe@gmx.de>
+---
+ arch/arm/boot/dts/overlays/Makefile | 1 +
+ arch/arm/boot/dts/overlays/README | 8 ++++
+ .../boot/dts/overlays/tpm-slb9670-overlay.dts | 44 +++++++++++++++++++
+ 3 files changed, 53 insertions(+)
+ create mode 100644 arch/arm/boot/dts/overlays/tpm-slb9670-overlay.dts
+
+--- a/arch/arm/boot/dts/overlays/Makefile
++++ b/arch/arm/boot/dts/overlays/Makefile
+@@ -137,6 +137,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \
+ tc358743.dtbo \
+ tc358743-audio.dtbo \
+ tinylcd35.dtbo \
++ tpm-slb9670.dtbo \
+ uart0.dtbo \
+ uart1.dtbo \
+ upstream.dtbo \
+--- a/arch/arm/boot/dts/overlays/README
++++ b/arch/arm/boot/dts/overlays/README
+@@ -2012,6 +2012,14 @@ Params: speed Display
+ dtoverlay=tinylcd35,touch,touchgpio=3
+
+
++Name: tpm-slb9670
++Info: Enables support for Infineon SLB9670 Trusted Platform Module add-on
++ boards, which can be used as a secure key storage and hwrng,
++ available as "Iridium SLB9670" by Infineon and "LetsTrust TPM" by pi3g.
++Load: dtoverlay=tpm-slb9670
++Params: <None>
++
++
+ Name: uart0
+ Info: Change the pin usage of uart0
+ Load: dtoverlay=uart0,<param>=<val>
+--- /dev/null
++++ b/arch/arm/boot/dts/overlays/tpm-slb9670-overlay.dts
+@@ -0,0 +1,44 @@
++/*
++ * Device Tree overlay for the Infineon SLB9670 Trusted Platform Module add-on
++ * boards, which can be used as a secure key storage and hwrng.
++ * available as "Iridium SLB9670" by Infineon and "LetsTrust TPM" by pi3g.
++ */
++
++/dts-v1/;
++/plugin/;
++
++/ {
++ compatible = "brcm,bcm2835", "brcm,bcm2708", "brcm,bcm2709";
++
++ fragment@0 {
++ target = <&spi0>;
++ __overlay__ {
++ status = "okay";
++ };
++ };
++
++ fragment@1 {
++ target = <&spidev1>;
++ __overlay__ {
++ status = "disabled";
++ };
++ };
++
++ fragment@2 {
++ target = <&spi0>;
++ __overlay__ {
++ /* needed to avoid dtc warning */
++ #address-cells = <1>;
++ #size-cells = <0>;
++ slb9670: slb9670@1 {
++ compatible = "infineon,slb9670";
++ reg = <1>; /* CE1 */
++ #address-cells = <1>;
++ #size-cells = <0>;
++ spi-max-frequency = <32000000>;
++ status = "okay";
++ };
++
++ };
++ };
++};