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authorKeith Short <keithshort@chromium.org>2021-08-09 16:00:31 -0600
committerCommit Bot <commit-bot@chromium.org>2021-08-10 22:19:32 +0000
commit8f1cc4196595280d5c5b817b4015b6d9a308e5c0 (patch)
tree88baeefe55813656f96f9658209bd715bd86c37b /zephyr/shim/src
parentd38c5745d486004da1eb7b942b4ce3dbcf7a9be7 (diff)
downloadchrome-ec-8f1cc4196595280d5c5b817b4015b6d9a308e5c0.tar.gz
zephyr: Create devicetree node for keyscan
Create devicetree node to specify the keyscan runtime parameters. BUG=b:195945894 BRANCH=none TEST=zmake testall TEST=verify keyboard on Volteer with next CL Signed-off-by: Keith Short <keithshort@chromium.org> Change-Id: I4dbf5e4f2205f31651d33b6ffc1ecd1dd6696795 Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/3083721 Reviewed-by: Jack Rosenthal <jrosenth@chromium.org>
Diffstat (limited to 'zephyr/shim/src')
-rw-r--r--zephyr/shim/src/CMakeLists.txt1
-rw-r--r--zephyr/shim/src/keyscan.c34
2 files changed, 35 insertions, 0 deletions
diff --git a/zephyr/shim/src/CMakeLists.txt b/zephyr/shim/src/CMakeLists.txt
index 9b198ec3f2..7be2e75fb2 100644
--- a/zephyr/shim/src/CMakeLists.txt
+++ b/zephyr/shim/src/CMakeLists.txt
@@ -26,6 +26,7 @@ zephyr_library_sources_ifdef(CONFIG_PLATFORM_EC_HOSTCMD host_command.c)
zephyr_library_sources_ifdef(CONFIG_PLATFORM_EC_HOSTCMD_CONSOLE
console_buffer.c)
zephyr_library_sources_ifdef(CONFIG_PLATFORM_EC_KEYBOARD keyboard_raw.c)
+zephyr_library_sources_ifdef(CONFIG_PLATFORM_EC_KEYBOARD keyscan.c)
zephyr_library_sources_ifdef(CONFIG_PLATFORM_EC_MKBP_EVENT mkbp_event.c)
zephyr_library_sources_ifdef(CONFIG_PLATFORM_EC_MOTIONSENSE
motionsense_sensors.c)
diff --git a/zephyr/shim/src/keyscan.c b/zephyr/shim/src/keyscan.c
new file mode 100644
index 0000000000..514d9ffaed
--- /dev/null
+++ b/zephyr/shim/src/keyscan.c
@@ -0,0 +1,34 @@
+/* Copyright 2021 The Chromium OS Authors. All rights reserved.
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#define DT_DRV_COMPAT cros_kb_raw_keyscan
+
+#include <assert.h>
+#include <kernel.h>
+#include <soc.h>
+
+#include "keyboard_scan.h"
+
+#if DT_NODE_EXISTS(DT_INST(0, cros_kb_raw_keyscan))
+
+/* The keyboard matrix should have at least enough columns for the
+ * standard keyboard with no keypad.
+ */
+BUILD_ASSERT(DT_INST_PROP_LEN(0, actual_key_mask) >= KEYBOARD_COLS_NO_KEYPAD);
+
+/*
+ * Override the default keyscan_config if the board defines a
+ * cros-kb-raw-keyscan node.
+ */
+__override struct keyboard_scan_config keyscan_config = {
+ .output_settle_us = DT_INST_PROP(0, output_settle),
+ .debounce_down_us = DT_INST_PROP(0, debounce_down),
+ .debounce_up_us = DT_INST_PROP(0, debounce_up),
+ .scan_period_us = DT_INST_PROP(0, scan_period),
+ .min_post_scan_delay_us = DT_INST_PROP(0, min_post_scan_delay),
+ .poll_timeout_us = DT_INST_PROP(0, poll_timeout),
+ .actual_key_mask = DT_INST_PROP(0, actual_key_mask),
+};
+#endif