GK SDK 源码库: XMIPCLinuxV100R005C00SPC030 (kernel/tools/open_source excluded)

2026-09-06 03:52:57 +08:00
commit b1928b41c0
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+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ *
+ * (c) 2009 Ilya Yanok, Emcraft Systems <yanok@emcraft.com>
+ *
+ * Modified for mx25 by John Rigby <jrigby@gmail.com>
+ */
+
+#ifndef __ASM_ARCH_CLOCK_H
+#define __ASM_ARCH_CLOCK_H
+
+#include <common.h>
+
+#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
+};
+
+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 */