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-rw-r--r--arch/arm/include/asm/arch-mx35/clock.h86
1 files changed, 86 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-mx35/clock.h b/arch/arm/include/asm/arch-mx35/clock.h
new file mode 100644
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+++ b/arch/arm/include/asm/arch-mx35/clock.h
@@ -0,0 +1,86 @@
+/*
+ * (C) Copyright 2011
+ * 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
+ */
+
+#ifndef __ASM_ARCH_CLOCK_H
+#define __ASM_ARCH_CLOCK_H
+
+#include <common.h>
+
+#ifdef CONFIG_MX35_HCLK_FREQ
+#define MXC_HCLK CONFIG_MX35_HCLK_FREQ
+#else
+#define MXC_HCLK 24000000
+#endif
+
+#ifdef CONFIG_MX35_CLK32
+#define MXC_CLK32 CONFIG_MX35_CLK32
+#else
+#define MXC_CLK32 32768
+#endif
+
+enum mxc_clock {
+ MXC_ARM_CLK,
+ MXC_AHB_CLK,
+ MXC_IPG_CLK,
+ MXC_IPG_PERCLK,
+ MXC_UART_CLK,
+ MXC_ESDHC1_CLK,
+ MXC_ESDHC2_CLK,
+ MXC_ESDHC3_CLK,
+ MXC_USB_CLK,
+ MXC_CSPI_CLK,
+ MXC_FEC_CLK,
+ MXC_I2C_CLK,
+};
+
+enum mxc_main_clock {
+ CPU_CLK,
+ AHB_CLK,
+ IPG_CLK,
+ IPG_PER_CLK,
+ NFC_CLK,
+ USB_CLK,
+ HSP_CLK,
+};
+
+enum mxc_peri_clock {
+ UART1_BAUD,
+ UART2_BAUD,
+ UART3_BAUD,
+ SSI1_BAUD,
+ SSI2_BAUD,
+ CSI_BAUD,
+ MSHC_CLK,
+ ESDHC1_CLK,
+ ESDHC2_CLK,
+ ESDHC3_CLK,
+ SPDIF_CLK,
+ SPI1_CLK,
+ SPI2_CLK,
+};
+
+u32 imx_get_uartclk(void);
+u32 imx_get_fecclk(void);
+unsigned int mxc_get_clock(enum mxc_clock clk);
+
+#endif /* __ASM_ARCH_CLOCK_H */
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