| Message ID | 20210805222818.8391-4-rentao.bupt@gmail.com |
|---|---|
| State | Accepted |
| Commit | 0c6881e86d2f07458f284429759c5332112859ed |
| Headers | show |
| Series | ARM: dts: Add Facebook AST2600 BMCs | expand |
Hi Lukas, On Wed, Dec 20, 2023 at 09:14:02AM +0100, Lukas Wunner wrote: > On Thu, Aug 05, 2021 at 03:28:15PM -0700, rentao.bupt@gmail.com wrote: > > This common descirption is included by all Facebook AST2600 Network BMC > > platforms to minimize duplicated device entries across Facebook Network > > BMC device trees. > [...] > > --- /dev/null > > +++ b/arch/arm/boot/dts/ast2600-facebook-netbmc-common.dtsi > [...] > > + tpmdev@0 { > > + compatible = "tcg,tpm_tis-spi"; > > What's the chip used on this board? Going forward, the DT schema for TPMs > requires the exact chip name in addition to the generic "tcg,tpm_tis-spi". Sorry about the late response. It's "infineon,slb9670", and I will submit a patch for fix it soon. Cheers, - Tao
Hi Lukas, On Wed, Jan 03, 2024 at 01:45:02PM +0100, Lukas Wunner wrote: > On Tue, Jan 02, 2024 at 04:11:28PM -0800, Tao Ren wrote: > > On Wed, Dec 20, 2023 at 09:14:02AM +0100, Lukas Wunner wrote: > > > On Thu, Aug 05, 2021 at 03:28:15PM -0700, rentao.bupt@gmail.com wrote: > > > > This common descirption is included by all Facebook AST2600 Network BMC > > > > platforms to minimize duplicated device entries across Facebook Network > > > > BMC device trees. > > > [...] > > > > --- /dev/null > > > > +++ b/arch/arm/boot/dts/ast2600-facebook-netbmc-common.dtsi > > > [...] > > > > + tpmdev@0 { > > > > + compatible = "tcg,tpm_tis-spi"; > > > > > > What's the chip used on this board? Going forward, the DT schema for TPMs > > > requires the exact chip name in addition to the generic "tcg,tpm_tis-spi". > > > > Sorry about the late response. It's "infineon,slb9670", and I will > > submit a patch for fix it soon. > > Thank you Tao and Patrick for the replies. I've prepared two commits > to fix all violations of the TPM schema on this branch: > > https://github.com/l1k/linux/commits/tpm-dt3 > > The commits are named: > > e95bdbc arm64: dts: Fix TPM schema violations > 63e5dfd ARM: dts: Fix TPM schema violations > > I've now amended the ARM commit to use "infineon,slb9670" for: > > arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-bletchley.dts > arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-wedge400.dts > arch/arm/boot/dts/aspeed/ast2600-facebook-netbmc-common.dtsi > > I intend to submit the two commits once the TPM schema is applied > either to Jarkko's or Rob's tree: > > https://lore.kernel.org/all/20231220160422.GA282877-robh@kernel.org/ > > Thanks, > > Lukas I've confirmed it's "infineon,slb9670" for both wedge400 and ast2600-facebook-netbmc-common. Pleasr free to add to "63e5dfd (ARM: dts: Fix TPM schema violations)": Reviewed-by: Tao Ren <rentao.bupt@gmail.com> Cheers, - Tao
diff --git a/arch/arm/boot/dts/ast2600-facebook-netbmc-common.dtsi b/arch/arm/boot/dts/ast2600-facebook-netbmc-common.dtsi new file mode 100644 index 000000000000..051de5bec345 --- /dev/null +++ b/arch/arm/boot/dts/ast2600-facebook-netbmc-common.dtsi @@ -0,0 +1,169 @@ +// SPDX-License-Identifier: GPL-2.0+ +// Copyright (c) 2020 Facebook Inc. + +#include "aspeed-g6.dtsi" +#include <dt-bindings/gpio/aspeed-gpio.h> + +/ { + aliases { + mmc0 = &emmc; + spi1 = &spi1; + spi2 = &spi_gpio; + }; + + chosen { + bootargs = "console=ttyS0,9600n8 root=/dev/ram rw vmalloc=640M"; + }; + + memory@80000000 { + device_type = "memory"; + reg = <0x80000000 0x80000000>; + }; + + /* + * GPIO-based SPI Master is required to access SPI TPM, because + * full-duplex SPI transactions are not supported by ASPEED SPI + * Controllers. + */ + spi_gpio: spi-gpio { + status = "okay"; + compatible = "spi-gpio"; + #address-cells = <1>; + #size-cells = <0>; + + gpio-sck = <&gpio0 ASPEED_GPIO(X, 3) GPIO_ACTIVE_HIGH>; + gpio-mosi = <&gpio0 ASPEED_GPIO(X, 4) GPIO_ACTIVE_HIGH>; + gpio-miso = <&gpio0 ASPEED_GPIO(X, 5) GPIO_ACTIVE_HIGH>; + + tpmdev@0 { + compatible = "tcg,tpm_tis-spi"; + spi-max-frequency = <33000000>; + reg = <0>; + }; + }; +}; + +&fmc { + status = "okay"; + + flash@0 { + status = "okay"; + m25p,fast-read; + label = "spi0.0"; + +#include "facebook-bmc-flash-layout-128.dtsi" + }; + + flash@1 { + status = "okay"; + m25p,fast-read; + label = "spi0.1"; + + partitions { + compatible = "fixed-partitions"; + #address-cells = <1>; + #size-cells = <1>; + + flash1@0 { + reg = <0x0 0x8000000>; + label = "flash1"; + }; + }; + }; +}; + +&spi1 { + status = "okay"; +}; + +&uart1 { + status = "okay"; +}; + +&uart2 { + status = "okay"; +}; + +&uart5 { + status = "okay"; +}; + +&wdt1 { + status = "okay"; +}; + +&i2c0 { + status = "okay"; +}; + +&i2c1 { + status = "okay"; +}; + +&i2c2 { + status = "okay"; +}; + +&i2c3 { + status = "okay"; +}; + +&i2c4 { + status = "okay"; +}; + +&i2c5 { + status = "okay"; +}; + +&i2c6 { + status = "okay"; +}; + +&i2c7 { + status = "okay"; +}; + +&i2c8 { + status = "okay"; +}; + +&i2c9 { + status = "okay"; +}; + +&i2c10 { + status = "okay"; +}; + +&i2c12 { + status = "okay"; +}; + +&i2c13 { + status = "okay"; +}; + +&i2c15 { + status = "okay"; +}; + +&vhub { + status = "okay"; +}; + +&emmc_controller { + status = "okay"; +}; + +&emmc { + status = "okay"; + + non-removable; + max-frequency = <25000000>; + bus-width = <4>; +}; + +&rtc { + status = "okay"; +};