| Message ID | 20190331233306.10502-2-alex.murray@canonical.com |
|---|---|
| State | New |
| Headers | show |
| Series | Add devicetree overlay for SLB9670 TPM module | expand |
On 01.04.19 01:33, Alex Murray wrote: > From: Peter Huewe <peterhuewe@gmx.de> > > BugLink: https://bugs.launchpad.net/bugs/1822036 > > 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> > (cherry picked from commit c28ac2dc08bd73963f953a757a3362c64b5524ed > https://github.com/raspberrypi/linux rpi-4.14.y) > Signed-off-by: Alex Murray <alex.murray@canonical.com> Acked-by: Stefan Bader <stefan.bader@canonical.com> > --- > 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 > > diff --git a/arch/arm/boot/dts/overlays/Makefile b/arch/arm/boot/dts/overlays/Makefile > index 5439afd9b28c..ea7b14b8a10d 100644 > --- a/arch/arm/boot/dts/overlays/Makefile > +++ b/arch/arm/boot/dts/overlays/Makefile > @@ -123,6 +123,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \ > superaudioboard.dtbo \ > sx150x.dtbo \ > tinylcd35.dtbo \ > + tpm-slb9670.dtbo \ > uart0.dtbo \ > uart1.dtbo \ > upstream.dtbo \ > diff --git a/arch/arm/boot/dts/overlays/README b/arch/arm/boot/dts/overlays/README > index 7ec84713cd06..96022feff661 100644 > --- a/arch/arm/boot/dts/overlays/README > +++ b/arch/arm/boot/dts/overlays/README > @@ -1762,6 +1762,14 @@ Params: speed Display SPI bus speed > 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> > diff --git a/arch/arm/boot/dts/overlays/tpm-slb9670-overlay.dts b/arch/arm/boot/dts/overlays/tpm-slb9670-overlay.dts > new file mode 100644 > index 000000000000..eac4511050de > --- /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"; > + }; > + > + }; > + }; > +}; >
On 4/1/19 1:33 AM, Alex Murray wrote: > From: Peter Huewe <peterhuewe@gmx.de> > > BugLink: https://bugs.launchpad.net/bugs/1822036 > > 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> > (cherry picked from commit c28ac2dc08bd73963f953a757a3362c64b5524ed > https://github.com/raspberrypi/linux rpi-4.14.y) > Signed-off-by: Alex Murray <alex.murray@canonical.com> Acked-by: Kleber Sacilotto de Souza <kleber.souza@canonical.com> > --- > 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 > > diff --git a/arch/arm/boot/dts/overlays/Makefile b/arch/arm/boot/dts/overlays/Makefile > index 5439afd9b28c..ea7b14b8a10d 100644 > --- a/arch/arm/boot/dts/overlays/Makefile > +++ b/arch/arm/boot/dts/overlays/Makefile > @@ -123,6 +123,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \ > superaudioboard.dtbo \ > sx150x.dtbo \ > tinylcd35.dtbo \ > + tpm-slb9670.dtbo \ > uart0.dtbo \ > uart1.dtbo \ > upstream.dtbo \ > diff --git a/arch/arm/boot/dts/overlays/README b/arch/arm/boot/dts/overlays/README > index 7ec84713cd06..96022feff661 100644 > --- a/arch/arm/boot/dts/overlays/README > +++ b/arch/arm/boot/dts/overlays/README > @@ -1762,6 +1762,14 @@ Params: speed Display SPI bus speed > 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> > diff --git a/arch/arm/boot/dts/overlays/tpm-slb9670-overlay.dts b/arch/arm/boot/dts/overlays/tpm-slb9670-overlay.dts > new file mode 100644 > index 000000000000..eac4511050de > --- /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"; > + }; > + > + }; > + }; > +}; >
diff --git a/arch/arm/boot/dts/overlays/Makefile b/arch/arm/boot/dts/overlays/Makefile index 5439afd9b28c..ea7b14b8a10d 100644 --- a/arch/arm/boot/dts/overlays/Makefile +++ b/arch/arm/boot/dts/overlays/Makefile @@ -123,6 +123,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \ superaudioboard.dtbo \ sx150x.dtbo \ tinylcd35.dtbo \ + tpm-slb9670.dtbo \ uart0.dtbo \ uart1.dtbo \ upstream.dtbo \ diff --git a/arch/arm/boot/dts/overlays/README b/arch/arm/boot/dts/overlays/README index 7ec84713cd06..96022feff661 100644 --- a/arch/arm/boot/dts/overlays/README +++ b/arch/arm/boot/dts/overlays/README @@ -1762,6 +1762,14 @@ Params: speed Display SPI bus speed 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> diff --git a/arch/arm/boot/dts/overlays/tpm-slb9670-overlay.dts b/arch/arm/boot/dts/overlays/tpm-slb9670-overlay.dts new file mode 100644 index 000000000000..eac4511050de --- /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"; + }; + + }; + }; +};