+/* SPDX-License-Identifier: GPL-2.0+ */
/*
*
* (c) 2009 Ilya Yanok, Emcraft Systems <yanok@emcraft.com>
*
* Modified for mx25 by John Rigby <jrigby@gmail.com>
- *
- * 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
*/
#ifndef __ASM_ARCH_CLOCK_H
#define __ASM_ARCH_CLOCK_H
-ulong imx_get_perclk(int clk);
-ulong imx_get_ahbclk(void);
+#ifdef CONFIG_MX25_HCLK_FREQ
+#define MXC_HCLK CONFIG_MX25_HCLK_FREQ
+#else
+#define MXC_HCLK 24000000
+#endif
+
+#ifdef CONFIG_MX25_CLK32
+#define MXC_CLK32 CONFIG_MX25_CLK32
+#else
+#define MXC_CLK32 32768
+#endif
+
+enum mxc_clock {
+ /* PER clocks (do not change order) */
+ MXC_CSI_CLK,
+ MXC_EPIT_CLK,
+ MXC_ESAI_CLK,
+ MXC_ESDHC1_CLK,
+ MXC_ESDHC2_CLK,
+ MXC_GPT_CLK,
+ MXC_I2C_CLK,
+ MXC_LCDC_CLK,
+ MXC_NFC_CLK,
+ MXC_OWIRE_CLK,
+ MXC_PWM_CLK,
+ MXC_SIM1_CLK,
+ MXC_SIM2_CLK,
+ MXC_SSI1_CLK,
+ MXC_SSI2_CLK,
+ MXC_UART_CLK,
+ /* Other clocks */
+ MXC_ARM_CLK,
+ MXC_AHB_CLK,
+ MXC_IPG_CLK,
+ MXC_CSPI_CLK,
+ MXC_FEC_CLK,
+ MXC_CLK_NUM
+};
-#define imx_get_uartclk() imx_get_perclk(15)
-#define imx_get_fecclk() (imx_get_ahbclk()/2)
+int imx_set_perclk(enum mxc_clock clk, bool from_upll, unsigned int freq);
+unsigned int mxc_get_clock(enum mxc_clock clk);
+#define imx_get_uartclk() mxc_get_clock(MXC_UART_CLK)
+#define imx_get_fecclk() mxc_get_clock(MXC_FEC_CLK)
#endif /* __ASM_ARCH_CLOCK_H */