From 92a94dc9b0df12111e4c81ff1a280e32deb5eba3 Mon Sep 17 00:00:00 2001 From: Tim Harvey Date: Mon, 26 Jan 2026 17:17:26 -0800 Subject: [PATCH] kernel: modules: Add tpm-tis-spi Add a module for tpm-tis-spi for TCG TIS 1.3 TPM security chips connected to a regular non-tcg SPI master. Add imx target compatibility for kmod-tpm. Signed-off-by: Tim Harvey Link: https://github.com/openwrt/openwrt/pull/21726 Signed-off-by: Robert Marko --- package/kernel/linux/modules/other.mk | 23 ++++++++++++++++++++++- 1 file changed, 22 insertions(+), 1 deletion(-) diff --git a/package/kernel/linux/modules/other.mk b/package/kernel/linux/modules/other.mk index c1daf935f19..1b9a2872538 100644 --- a/package/kernel/linux/modules/other.mk +++ b/package/kernel/linux/modules/other.mk @@ -990,7 +990,7 @@ $(eval $(call KernelPackage,tpm)) define KernelPackage/tpm-tis SUBMENU:=$(OTHER_MENU) TITLE:=TPM TIS 1.2 Interface / TPM 2.0 FIFO Interface - DEPENDS:= @(TARGET_x86||TARGET_armsr) +kmod-tpm + DEPENDS:= @(TARGET_x86||TARGET_armsr||TARGET_imx) +kmod-tpm KCONFIG:= CONFIG_TCG_TIS FILES:= \ $(LINUX_DIR)/drivers/char/tpm/tpm_tis.ko \ @@ -1007,6 +1007,27 @@ endef $(eval $(call KernelPackage,tpm-tis)) +define KernelPackage/tpm-tis-spi + SUBMENU:=$(OTHER_MENU) + TITLE:=TPM TIS 1.3 Interface SPI Interface + DEPENDS:= +kmod-tpm-tis +kmod-spi-dev + KCONFIG:= CONFIG_TCG_TIS_SPI \ + CONFIG_TCG_TIS_SPI_CR50=n + FILES:= \ + $(LINUX_DIR)/drivers/char/tpm/tpm_tis_spi.ko + AUTOLOAD:=$(call AutoLoad,20,tpm_tis_spi,1) +endef + +define KernelPackage/tpm-tis-spi/description + If you have a TPM security chip which is connected to a regular, + non-tcg SPI master that is compliant with the + TCG TIS 1.3 TPM specification (TPM1.2) or the TCG PTP FIFO + specification (TPM2.0) say Yes and it will be accessible from + within Linux. +endef + +$(eval $(call KernelPackage,tpm-tis-spi)) + define KernelPackage/tpm-i2c-atmel SUBMENU:=$(OTHER_MENU) TITLE:=TPM I2C Atmel Support -- 2.47.3