From 3fcc4b656aeafc30221927806e9a3f641b9377f3 Mon Sep 17 00:00:00 2001
From: Chris Blake <chrisrblake93@gmail.com>
Date: Sun, 26 Feb 2017 04:04:51 -0600
Subject: kernel: Add TPM Module support

The following will enable the TPM kernel module, as well as support for
the atmel i2c TPM driver. Tested and confirmed working on an Aerohive
AP-121

Signed-off-by: Chris Blake <chrisrblake93@gmail.com>
---
 package/kernel/linux/modules/other.mk | 47 +++++++++++++++++++++++++++++++++++
 1 file changed, 47 insertions(+)

(limited to 'package')

diff --git a/package/kernel/linux/modules/other.mk b/package/kernel/linux/modules/other.mk
index b39a88be4d..3b2d2e9667 100644
--- a/package/kernel/linux/modules/other.mk
+++ b/package/kernel/linux/modules/other.mk
@@ -954,3 +954,50 @@ define KernelPackage/bmp085-spi/description
 endef
 
 $(eval $(call KernelPackage,bmp085-spi))
+
+define KernelPackage/tpm
+  SUBMENU:=$(OTHER_MENU)
+  TITLE:=TPM Hardware Support
+  KCONFIG:= CONFIG_TCG_TPM
+  FILES:= $(LINUX_DIR)/drivers/char/tpm/tpm.ko
+  AUTOLOAD:=$(call AutoLoad,10,tpm,1)
+endef
+
+define KernelPackage/tpm/description
+	This enables TPM Hardware Support.
+endef
+
+$(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 +kmod-tpm
+  KCONFIG:= CONFIG_TCG_TIS
+  FILES:= $(LINUX_DIR)/drivers/char/tpm/tpm_tis.ko
+  AUTOLOAD:=$(call AutoLoad,20,tpm_tis,1)
+endef
+
+define KernelPackage/tpm-tis/description
+	If you have a TPM security chip that is compliant with the
+	TCG TIS 1.2 TPM specification (TPM1.2) or the TCG PTP FIFO
+	specification (TPM2.0) say Yes and it will be accessible from
+	within Linux.
+endef
+
+$(eval $(call KernelPackage,tpm-tis))
+
+define KernelPackage/tpm-i2c-atmel
+  SUBMENU:=$(OTHER_MENU)
+  TITLE:=TPM I2C Atmel Support
+  DEPENDS:= +kmod-tpm +kmod-i2c-core
+  KCONFIG:= CONFIG_TCG_TIS_I2C_ATMEL
+  FILES:= $(LINUX_DIR)/drivers/char/tpm/tpm_i2c_atmel.ko
+  AUTOLOAD:=$(call AutoLoad,40,tpm_i2c_atmel,1)
+endef
+
+define KernelPackage/tpm-i2c-atmel/description
+	This enables the TPM Interface Specification 1.2 Interface (I2C - Atmel)
+endef
+
+$(eval $(call KernelPackage,tpm-i2c-atmel))
-- 
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