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-rw-r--r--src/soc/rockchip/common/include/soc/gpio.h73
1 files changed, 73 insertions, 0 deletions
diff --git a/src/soc/rockchip/common/include/soc/gpio.h b/src/soc/rockchip/common/include/soc/gpio.h
new file mode 100644
index 0000000000..f2e7970daa
--- /dev/null
+++ b/src/soc/rockchip/common/include/soc/gpio.h
@@ -0,0 +1,73 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2016 Rockchip Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef __COREBOOT_SRC_SOC_ROCKCHIP_COMMON_INCLUDE_SOC_GPIO_H
+#define __COREBOOT_SRC_SOC_ROCKCHIP_COMMON_INCLUDE_SOC_GPIO_H
+
+#include <types.h>
+
+#define GPIO(p, b, i) ((gpio_t){.port = p, .bank = GPIO_##b, .idx = i})
+
+struct rockchip_gpio_regs {
+ u32 swporta_dr;
+ u32 swporta_ddr;
+ u32 reserved0[(0x30 - 0x08) / 4];
+ u32 inten;
+ u32 intmask;
+ u32 inttype_level;
+ u32 int_polarity;
+ u32 int_status;
+ u32 int_rawstatus;
+ u32 debounce;
+ u32 porta_eoi;
+ u32 ext_porta;
+ u32 reserved1[(0x60 - 0x54) / 4];
+ u32 ls_sync;
+};
+check_member(rockchip_gpio_regs, ls_sync, 0x60);
+
+typedef union {
+ u32 raw;
+ struct {
+ u16 port;
+ union {
+ struct {
+ u16 num : 5;
+ u16 reserved1 : 11;
+ };
+ struct {
+ u16 idx : 3;
+ u16 bank : 2;
+ u16 reserved2 : 11;
+ };
+ };
+ };
+} gpio_t;
+
+enum {
+ GPIO_A = 0,
+ GPIO_B,
+ GPIO_C,
+ GPIO_D,
+};
+
+extern struct rockchip_gpio_regs *gpio_port[];
+
+/* Check if the gpio port is a pmu gpio */
+int is_pmu_gpio(gpio_t gpio);
+
+/* Return the io addr of gpio register */
+void *gpio_grf_reg(gpio_t gpio);
+#endif