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authorxingtong.wu <xingtong.wu@siemens.com>2023-07-31 15:21:48 +0800
committerHans de Goede <hdegoede@redhat.com>2023-07-31 14:24:44 +0200
commitc56beff2037549c951042d178de75e535818a98a (patch)
treeafb2270a14ef48cc729ccaaf7737cf20504b03ea /drivers/platform/x86/siemens/simatic-ipc-batt-f7188x.c
parentb8af77951941e943434a76ef40fdc372bf95030e (diff)
platform/x86/siemens: simatic-ipc-batt: add support for module BX-59A
This is used for the Siemens Simatic IPC BX-59A, which can monitor the voltage of the CMOS battery with two bits that indicate low or empty state Signed-off-by: xingtong.wu <xingtong.wu@siemens.com> Link: https://lore.kernel.org/r/20230731072148.4781-1-xingtong_wu@163.com Reviewed-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Diffstat (limited to 'drivers/platform/x86/siemens/simatic-ipc-batt-f7188x.c')
-rw-r--r--drivers/platform/x86/siemens/simatic-ipc-batt-f7188x.c37
1 files changed, 27 insertions, 10 deletions
diff --git a/drivers/platform/x86/siemens/simatic-ipc-batt-f7188x.c b/drivers/platform/x86/siemens/simatic-ipc-batt-f7188x.c
index ed330f6a8ea8..a66107e0fe1e 100644
--- a/drivers/platform/x86/siemens/simatic-ipc-batt-f7188x.c
+++ b/drivers/platform/x86/siemens/simatic-ipc-batt-f7188x.c
@@ -17,6 +17,8 @@
#include "simatic-ipc-batt.h"
+static struct gpiod_lookup_table *batt_lookup_table;
+
static struct gpiod_lookup_table simatic_ipc_batt_gpio_table_227g = {
.table = {
GPIO_LOOKUP_IDX("gpio-f7188x-7", 6, NULL, 0, GPIO_ACTIVE_HIGH),
@@ -34,24 +36,39 @@ static struct gpiod_lookup_table simatic_ipc_batt_gpio_table_bx_39a = {
},
};
+static struct gpiod_lookup_table simatic_ipc_batt_gpio_table_bx_59a = {
+ .table = {
+ GPIO_LOOKUP_IDX("gpio-f7188x-7", 6, NULL, 0, GPIO_ACTIVE_HIGH),
+ GPIO_LOOKUP_IDX("gpio-f7188x-7", 5, NULL, 1, GPIO_ACTIVE_HIGH),
+ GPIO_LOOKUP_IDX("INTC1056:00", 438, NULL, 2, GPIO_ACTIVE_HIGH),
+ {} /* Terminating entry */
+ }
+};
+
static int simatic_ipc_batt_f7188x_remove(struct platform_device *pdev)
{
- const struct simatic_ipc_platform *plat = pdev->dev.platform_data;
-
- if (plat->devmode == SIMATIC_IPC_DEVICE_227G)
- return simatic_ipc_batt_remove(pdev, &simatic_ipc_batt_gpio_table_227g);
-
- return simatic_ipc_batt_remove(pdev, &simatic_ipc_batt_gpio_table_bx_39a);
+ return simatic_ipc_batt_remove(pdev, batt_lookup_table);
}
static int simatic_ipc_batt_f7188x_probe(struct platform_device *pdev)
{
const struct simatic_ipc_platform *plat = pdev->dev.platform_data;
- if (plat->devmode == SIMATIC_IPC_DEVICE_227G)
- return simatic_ipc_batt_probe(pdev, &simatic_ipc_batt_gpio_table_227g);
+ switch (plat->devmode) {
+ case SIMATIC_IPC_DEVICE_227G:
+ batt_lookup_table = &simatic_ipc_batt_gpio_table_227g;
+ break;
+ case SIMATIC_IPC_DEVICE_BX_39A:
+ batt_lookup_table = &simatic_ipc_batt_gpio_table_bx_39a;
+ break;
+ case SIMATIC_IPC_DEVICE_BX_59A:
+ batt_lookup_table = &simatic_ipc_batt_gpio_table_bx_59a;
+ break;
+ default:
+ return -ENODEV;
+ }
- return simatic_ipc_batt_probe(pdev, &simatic_ipc_batt_gpio_table_bx_39a);
+ return simatic_ipc_batt_probe(pdev, batt_lookup_table);
}
static struct platform_driver simatic_ipc_batt_driver = {
@@ -66,5 +83,5 @@ module_platform_driver(simatic_ipc_batt_driver);
MODULE_LICENSE("GPL");
MODULE_ALIAS("platform:" KBUILD_MODNAME);
-MODULE_SOFTDEP("pre: simatic-ipc-batt gpio_f7188x platform:elkhartlake-pinctrl");
+MODULE_SOFTDEP("pre: simatic-ipc-batt gpio_f7188x platform:elkhartlake-pinctrl platform:alderlake-pinctrl");
MODULE_AUTHOR("Henning Schild <henning.schild@siemens.com>");