feat(mt8188): add pinctrl support
Add pinctrl support for MT8188.
TEST=build pass
BUG=b:236331724
Signed-off-by: Jianguo Zhang <jianguo.zhang@mediatek.corp-partner.google.com>
Change-Id: Id4ac8f67009621fff8f15f3ab2d8f200343c8356
diff --git a/plat/mediatek/drivers/gpio/mt8188/mtgpio.c b/plat/mediatek/drivers/gpio/mt8188/mtgpio.c
new file mode 100644
index 0000000..9e9fc5d
--- /dev/null
+++ b/plat/mediatek/drivers/gpio/mt8188/mtgpio.c
@@ -0,0 +1,38 @@
+/*
+ * Copyright (c) 2022, MediaTek Inc. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <assert.h>
+#include <mtgpio.h>
+#include <platform_def.h>
+
+uintptr_t mt_gpio_find_reg_addr(uint32_t pin)
+{
+ uintptr_t reg_addr = 0U;
+ struct mt_pin_info gpio_info;
+
+ assert(pin < MAX_GPIO_PIN);
+
+ gpio_info = mt_pin_infos[pin];
+
+ switch (gpio_info.base & 0x0f) {
+ case 0:
+ reg_addr = IOCFG_RM_BASE;
+ break;
+ case 1:
+ reg_addr = IOCFG_LT_BASE;
+ break;
+ case 2:
+ reg_addr = IOCFG_LM_BASE;
+ break;
+ case 3:
+ reg_addr = IOCFG_RT_BASE;
+ break;
+ default:
+ break;
+ }
+
+ return reg_addr;
+}