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Diffstat (limited to 'drivers/platform/x86/siemens/simatic-ipc-batt-elkhartlake.c')
-rw-r--r--drivers/platform/x86/siemens/simatic-ipc-batt-elkhartlake.c51
1 files changed, 51 insertions, 0 deletions
diff --git a/drivers/platform/x86/siemens/simatic-ipc-batt-elkhartlake.c b/drivers/platform/x86/siemens/simatic-ipc-batt-elkhartlake.c
new file mode 100644
index 0000000000..607d033911
--- /dev/null
+++ b/drivers/platform/x86/siemens/simatic-ipc-batt-elkhartlake.c
@@ -0,0 +1,51 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Siemens SIMATIC IPC driver for CMOS battery monitoring
+ *
+ * Copyright (c) Siemens AG, 2023
+ *
+ * Authors:
+ * Henning Schild <henning.schild@siemens.com>
+ */
+
+#include <linux/gpio/machine.h>
+#include <linux/gpio/consumer.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+
+#include "simatic-ipc-batt.h"
+
+static struct gpiod_lookup_table simatic_ipc_batt_gpio_table_bx_21a = {
+ .table = {
+ GPIO_LOOKUP_IDX("INTC1020:04", 18, NULL, 0, GPIO_ACTIVE_HIGH),
+ GPIO_LOOKUP_IDX("INTC1020:04", 19, NULL, 1, GPIO_ACTIVE_HIGH),
+ GPIO_LOOKUP_IDX("INTC1020:01", 66, NULL, 2, GPIO_ACTIVE_HIGH),
+ {} /* Terminating entry */
+ },
+};
+
+static int simatic_ipc_batt_elkhartlake_remove(struct platform_device *pdev)
+{
+ return simatic_ipc_batt_remove(pdev, &simatic_ipc_batt_gpio_table_bx_21a);
+}
+
+static int simatic_ipc_batt_elkhartlake_probe(struct platform_device *pdev)
+{
+ return simatic_ipc_batt_probe(pdev, &simatic_ipc_batt_gpio_table_bx_21a);
+}
+
+static struct platform_driver simatic_ipc_batt_driver = {
+ .probe = simatic_ipc_batt_elkhartlake_probe,
+ .remove = simatic_ipc_batt_elkhartlake_remove,
+ .driver = {
+ .name = KBUILD_MODNAME,
+ },
+};
+
+module_platform_driver(simatic_ipc_batt_driver);
+
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:" KBUILD_MODNAME);
+MODULE_SOFTDEP("pre: simatic-ipc-batt platform:elkhartlake-pinctrl");
+MODULE_AUTHOR("Henning Schild <henning.schild@siemens.com>");