brcm2708: update to latest patches from RPi foundation

[openwrt/staging/dedeckeh.git] / target / linux / brcm2708 / patches-4.19 / 950-0249-Add-overlay-for-SLB9760-Iridium-LetsTrust-TPM.patch

diff --git a/target/linux/brcm2708/patches-4.19/950-0249-Add-overlay-for-SLB9760-Iridium-LetsTrust-TPM.patch b/target/linux/brcm2708/patches-4.19/950-0249-Add-overlay-for-SLB9760-Iridium-LetsTrust-TPM.patch
new file mode 100644 (file)
index 0000000..16539aa
--- /dev/null
+++ b/target/linux/brcm2708/patches-4.19/950-0249-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";
++                      };
++
++              };
++      };
++};