feat(plat/mediatek/mt8186): add pinctrl support
Add MT8186 pinctrl support.
TEST=build pass
BUG=b:202871018
Signed-off-by: Guodong Liu <guodong.liu@mediatek.corp-partner.google.com>
Change-Id: I5b9c1c60a91c74c7d3f45c78a9403544373fa90f
diff --git a/plat/mediatek/mt8186/drivers/gpio/mtgpio.c b/plat/mediatek/mt8186/drivers/gpio/mtgpio.c
new file mode 100644
index 0000000..134476a
--- /dev/null
+++ b/plat/mediatek/mt8186/drivers/gpio/mtgpio.c
@@ -0,0 +1,44 @@
+/*
+ * Copyright (c) 2021, 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_LT_BASE;
+ break;
+ case 1:
+ reg_addr = IOCFG_LM_BASE;
+ break;
+ case 2:
+ reg_addr = IOCFG_LB_BASE;
+ break;
+ case 3:
+ reg_addr = IOCFG_BL_BASE;
+ break;
+ case 4:
+ reg_addr = IOCFG_RB_BASE;
+ break;
+ case 5:
+ reg_addr = IOCFG_RT_BASE;
+ break;
+ default:
+ break;
+ }
+
+ return reg_addr;
+}