stm32mp1: add sdmmc2 driver
This driver is for the STMicroelectronics sdmmc2 IP
which is in STM32MP1 SoC.
It uses the MMC framework, and can address either eMMC or SD-card.
Signed-off-by: Yann Gautier <yann.gautier@st.com>
diff --git a/include/drivers/st/stm32_sdmmc2.h b/include/drivers/st/stm32_sdmmc2.h
new file mode 100644
index 0000000..b172659
--- /dev/null
+++ b/include/drivers/st/stm32_sdmmc2.h
@@ -0,0 +1,31 @@
+/*
+ * Copyright (c) 2017-2018, STMicroelectronics - All Rights Reserved
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef STM32_SDMMC2_H
+#define STM32_SDMMC2_H
+
+#include <mmc.h>
+#include <stdbool.h>
+
+struct stm32_sdmmc2_params {
+ uintptr_t reg_base;
+ unsigned int clk_rate;
+ unsigned int bus_width;
+ unsigned int flags;
+ struct mmc_device_info *device_info;
+ unsigned int pin_ckin;
+ unsigned int negedge;
+ unsigned int dirpol;
+ unsigned int clock_id;
+ unsigned int reset_id;
+ bool use_dma;
+};
+
+unsigned long long stm32_sdmmc2_mmc_get_device_size(void);
+int stm32_sdmmc2_mmc_init(struct stm32_sdmmc2_params *params);
+bool plat_sdmmc2_use_dma(unsigned int instance, unsigned int memory);
+
+#endif /* STM32_SDMMC2_H */