* (C) Copyright 2009
* Stefano Babic, DENX Software Engineering, sbabic@denx.de.
*
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * 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; either version 2 of
- * the License, or (at your option) any later version.
- *
- * 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.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
+ * SPDX-License-Identifier: GPL-2.0+
*/
#ifndef __ASM_ARCH_CLOCK_H
MXC_I2C_CLK,
};
+enum enet_freq {
+ ENET_25MHZ,
+ ENET_50MHZ,
+ ENET_100MHZ,
+ ENET_125MHZ,
+};
+
+struct clk {
+ const char *name;
+ int id;
+ /* Source clock this clk depends on */
+ struct clk *parent;
+ /* Secondary clock to enable/disable with this clock */
+ struct clk *secondary;
+ /* Current clock rate */
+ unsigned long rate;
+ /* Reference count of clock enable/disable */
+ __s8 usecount;
+ /* Register bit position for clock's enable/disable control. */
+ u8 enable_shift;
+ /* Register address for clock's enable/disable control. */
+ void *enable_reg;
+ u32 flags;
+ /*
+ * Function ptr to recalculate the clock's rate based on parent
+ * clock's rate
+ */
+ void (*recalc) (struct clk *);
+ /*
+ * Function ptr to set the clock to a new rate. The rate must match a
+ * supported rate returned from round_rate. Leave blank if clock is not
+ * programmable
+ */
+ int (*set_rate) (struct clk *, unsigned long);
+ /*
+ * Function ptr to round the requested clock rate to the nearest
+ * supported rate that is less than or equal to the requested rate.
+ */
+ unsigned long (*round_rate) (struct clk *, unsigned long);
+ /*
+ * Function ptr to enable the clock. Leave blank if clock can not
+ * be gated.
+ */
+ int (*enable) (struct clk *);
+ /*
+ * Function ptr to disable the clock. Leave blank if clock can not
+ * be gated.
+ */
+ void (*disable) (struct clk *);
+ /* Function ptr to set the parent clock of the clock. */
+ int (*set_parent) (struct clk *, struct clk *);
+};
+
u32 imx_get_uartclk(void);
u32 imx_get_fecclk(void);
unsigned int mxc_get_clock(enum mxc_clock clk);
+int mxc_set_clock(u32 ref, u32 freq, enum mxc_clock clk);
+void setup_gpmi_io_clk(u32 cfg);
+void hab_caam_clock_enable(unsigned char enable);
+void enable_ocotp_clk(unsigned char enable);
void enable_usboh3_clk(unsigned char enable);
+void enable_uart_clk(unsigned char enable);
+int enable_usdhc_clk(unsigned char enable, unsigned bus_num);
int enable_sata_clock(void);
+void disable_sata_clock(void);
+int enable_pcie_clock(void);
int enable_i2c_clk(unsigned char enable, unsigned i2c_num);
-
+int enable_spi_clk(unsigned char enable, unsigned spi_num);
+void enable_ipu_clock(void);
+int enable_fec_anatop_clock(enum enet_freq freq);
+void enable_enet_clk(unsigned char enable);
+void enable_qspi_clk(int qspi_num);
+void enable_thermal_clk(void);
+void ipu_clk_enable(void);
+void ipu_clk_disable(void);
+void ipu_di_clk_enable(int di);
+void ipu_di_clk_disable(int di);
+void ldb_clk_enable(int ldb);
+void ldb_clk_disable(int ldb);
#endif /* __ASM_ARCH_CLOCK_H */