From 0223078e91d0016ae751b7e460b979d1d67d05c7 Mon Sep 17 00:00:00 2001
From: cepetr <petr@cerninovi.cz>
Date: Thu, 19 Dec 2024 14:04:02 +0100
Subject: [PATCH] WIP - optiga

---
 core/embed/sec/optiga/inc/sec/optiga_hal.h | 20 ++++++++++++++++++++
 core/embed/sec/optiga/stm32/optiga_hal.c   | 18 ++++++++++++++++++
 core/embed/sec/optiga/unix/optiga_hal.c    |  4 ++++
 3 files changed, 42 insertions(+)

diff --git a/core/embed/sec/optiga/inc/sec/optiga_hal.h b/core/embed/sec/optiga/inc/sec/optiga_hal.h
index c744c1c09b..f581a9e6e0 100644
--- a/core/embed/sec/optiga/inc/sec/optiga_hal.h
+++ b/core/embed/sec/optiga/inc/sec/optiga_hal.h
@@ -1,3 +1,21 @@
+/*
+ * This file is part of the Trezor project, https://trezor.io/
+ *
+ * Copyright (c) SatoshiLabs
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
 
 #ifndef CORE_OPTIGA_HAL_H
 #define CORE_OPTIGA_HAL_H
@@ -6,6 +24,8 @@
 
 void optiga_hal_init(void);
 
+void optiga_hal_deinit(void);
+
 void optiga_reset(void);
 
 #endif  // CORE_OPTIGA_HAL_H
diff --git a/core/embed/sec/optiga/stm32/optiga_hal.c b/core/embed/sec/optiga/stm32/optiga_hal.c
index 7cc5919d16..607c312fbf 100644
--- a/core/embed/sec/optiga/stm32/optiga_hal.c
+++ b/core/embed/sec/optiga/stm32/optiga_hal.c
@@ -38,6 +38,24 @@ void optiga_hal_init(void) {
   hal_delay(20);
 }
 
+void optiga_hal_deinit(void) {
+  GPIO_InitTypeDef GPIO_InitStructure = {0};
+
+  GPIO_InitStructure.Mode = GPIO_MODE_ANALOG;
+  GPIO_InitStructure.Pull = GPIO_NOPULL;
+  GPIO_InitStructure.Speed = GPIO_SPEED_FREQ_LOW;
+  GPIO_InitStructure.Pin = OPTIGA_RST_PIN;
+  HAL_GPIO_Init(OPTIGA_RST_PORT, &GPIO_InitStructure);
+
+#ifdef OPTIGA_PWR_PIN
+  GPIO_InitStructure.Mode = GPIO_MODE_ANALOG;
+  GPIO_InitStructure.Pull = GPIO_NOPULL;
+  GPIO_InitStructure.Speed = GPIO_SPEED_FREQ_LOW;
+  GPIO_InitStructure.Pin = OPTIGA_PWR_PIN;
+  HAL_GPIO_Init(OPTIGA_PWR_PORT, &GPIO_InitStructure);
+#endif
+}
+
 void optiga_reset(void) {
   HAL_GPIO_WritePin(OPTIGA_RST_PORT, OPTIGA_RST_PIN, GPIO_PIN_RESET);
   hal_delay(10);
diff --git a/core/embed/sec/optiga/unix/optiga_hal.c b/core/embed/sec/optiga/unix/optiga_hal.c
index 9bf346f028..6a817db42e 100644
--- a/core/embed/sec/optiga/unix/optiga_hal.c
+++ b/core/embed/sec/optiga/unix/optiga_hal.c
@@ -21,6 +21,10 @@ void optiga_hal_init(void) {
   // nothing to do
 }
 
+void optiga_hal_deinit(void) {
+  // nothing to do
+}
+
 void optiga_reset(void) {
   // nothing to do
 }