3 files changed, 46 insertions, 32 deletions

diff --git a/arch/arm/include/asm/arch-tegra/clock.h b/arch/arm/include/asm/arch-tegra/clock.h
index 7daf8bc..388afcb 100644
--- a/arch/arm/include/asm/arch-tegra/clock.h
+++ b/arch/arm/include/asm/arch-tegra/clock.h
@@ -187,6 +187,16 @@ void clock_ll_set_source_divisor(enum periph_id periph_id, unsigned source,
 		unsigned divisor);
 
 /**
+ * Returns the current parent clock ID of a given peripheral. This can be
+ * useful in order to call clock_*_periph_*() from generic code that has no
+ * specific knowledge of system-level clock tree structure.
+ *
+ * @param periph_id	peripheral to query
+ * @return clock ID of the peripheral's current parent clock
+ */
+enum clock_id clock_get_periph_parent(enum periph_id periph_id);
+
+/**
  * Start a peripheral PLL clock at the given rate. This also resets the
  * peripheral.
  *
@@ -284,6 +294,36 @@ u32 *get_periph_source_reg(enum periph_id periph_id);
 /* Returns a pointer to the given 'simple' PLL */
 struct clk_pll_simple *clock_get_simple_pll(enum clock_id clkid);
 
+/*
+ * Given a peripheral ID, determine where the mux bits are in the peripheral
+ * clock's register, the number of divider bits the clock has, and the SoC-
+ * specific clock type.
+ *
+ * This is an internal API between the core Tegra clock code and the SoC-
+ * specific clock code.
+ *
+ * @param periph_id     peripheral to query
+ * @param mux_bits      Set to number of bits in mux register
+ * @param divider_bits  Set to the relevant MASK_BITS_* value
+ * @param type          Set to the SoC-specific clock type
+ * @return 0 on success, -1 on error
+ */
+int get_periph_clock_info(enum periph_id periph_id, int *mux_bits,
+			  int *divider_bits, int *type);
+
+/*
+ * Given a peripheral ID and clock source mux value, determine the clock_id
+ * of that peripheral's parent.
+ *
+ * This is an internal API between the core Tegra clock code and the SoC-
+ * specific clock code.
+ *
+ * @param periph_id     peripheral to query
+ * @param source        raw clock source mux value
+ * @return the CLOCK_ID_* value @source represents
+ */
+enum clock_id get_periph_clock_id(enum periph_id periph_id, int source);
+
 /**
  * Given a peripheral ID and the required source clock, this returns which
  * value should be programmed into the source mux for that peripheral.
@@ -362,6 +402,12 @@ struct clk_pll_info {
 };
 extern struct clk_pll_info tegra_pll_info_table[CLOCK_ID_PLL_COUNT];
 
+struct periph_clk_init {
+	enum periph_id periph_id;
+	enum clock_id parent_clock_id;
+};
+extern struct periph_clk_init periph_clk_init_table[];
+
 /**
  * Enable output clock for external peripherals
  *
diff --git a/arch/arm/include/asm/arch-tegra/mmc.h b/arch/arm/include/asm/arch-tegra/mmc.h
deleted file mode 100644
index c2d52b2..0000000
--- a/arch/arm/include/asm/arch-tegra/mmc.h
+++ /dev/null
@@ -1,11 +0,0 @@
-/*
- * Copyright (c) 2011, Google Inc. All rights reserved.
- * SPDX-License-Identifier:	GPL-2.0+
- */
-
-#ifndef _TEGRA_MMC_H_
-#define _TEGRA_MMC_H_
-
-void tegra_mmc_init(void);
-
-#endif /* _TEGRA_MMC_H_ */
diff --git a/arch/arm/include/asm/arch-tegra/tegra_mmc.h b/arch/arm/include/asm/arch-tegra/tegra_mmc.h
index 07ef4c0..64c848a 100644
--- a/arch/arm/include/asm/arch-tegra/tegra_mmc.h
+++ b/arch/arm/include/asm/arch-tegra/tegra_mmc.h
@@ -132,26 +132,5 @@ struct tegra_mmc {
 #define AUTO_CAL_PD_OFFSET	(0x70 << 8)
 #define AUTO_CAL_PU_OFFSET	(0x62 << 0)
 
-struct mmc_host {
-	struct tegra_mmc *reg;
-	int id;			/* device id/number, 0-3 */
-	int enabled;		/* 1 to enable, 0 to disable */
-	int width;		/* Bus Width, 1, 4 or 8 */
-#ifdef CONFIG_TEGRA186
-	struct reset_ctl reset_ctl;
-	struct clk clk;
-#else
-	enum periph_id mmc_id;	/* Peripheral ID: PERIPH_ID_... */
-#endif
-	struct gpio_desc cd_gpio;	/* Change Detect GPIO */
-	struct gpio_desc pwr_gpio;	/* Power GPIO */
-	struct gpio_desc wp_gpio;	/* Write Protect GPIO */
-	unsigned int version;	/* SDHCI spec. version */
-	unsigned int clock;	/* Current clock (MHz) */
-	struct mmc_config cfg;	/* mmc configuration */
-};
-
-void pad_init_mmc(struct mmc_host *host);
-
 #endif	/* __ASSEMBLY__ */
 #endif	/* __TEGRA_MMC_H_ */