mxs: reorganize source directory for easy sharing of code in i.MXS SoCs

Most code can be shared between i.MX23 and i.MX28 as both are from
i.MXS family; this source directory structure makes easy to share code
among them.

Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
Acked-by: Stefano Babic <sbabic@denx.de>

1 files changed, 61 insertions, 0 deletions

diff --git a/arch/arm/include/asm/arch-mxs/clock.h b/arch/arm/include/asm/arch-mxs/clock.h
new file mode 100644
index 0000000000..1700fe3915
--- /dev/null
+++ b/arch/arm/include/asm/arch-mxs/clock.h
@@ -0,0 +1,61 @@
+/*
+ * Freescale i.MX28 Clock
+ *
+ * Copyright (C) 2011 Marek Vasut <marek.vasut@gmail.com>
+ * on behalf of DENX Software Engineering GmbH
+ *
+ * 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 __CLOCK_H__
+#define __CLOCK_H__
+
+enum mxc_clock {
+	MXC_ARM_CLK = 0,
+	MXC_AHB_CLK,
+	MXC_IPG_CLK,
+	MXC_EMI_CLK,
+	MXC_GPMI_CLK,
+	MXC_IO0_CLK,
+	MXC_IO1_CLK,
+	MXC_SSP0_CLK,
+	MXC_SSP1_CLK,
+	MXC_SSP2_CLK,
+	MXC_SSP3_CLK,
+};
+
+enum mxs_ioclock {
+	MXC_IOCLK0 = 0,
+	MXC_IOCLK1,
+};
+
+enum mxs_sspclock {
+	MXC_SSPCLK0 = 0,
+	MXC_SSPCLK1,
+	MXC_SSPCLK2,
+	MXC_SSPCLK3,
+};
+
+uint32_t mxc_get_clock(enum mxc_clock clk);
+
+void mx28_set_ioclk(enum mxs_ioclock io, uint32_t freq);
+void mx28_set_sspclk(enum mxs_sspclock ssp, uint32_t freq, int xtal);
+void mx28_set_ssp_busclock(unsigned int bus, uint32_t freq);
+
+/* Compatibility with the FEC Ethernet driver */
+#define	imx_get_fecclk()	mxc_get_clock(MXC_AHB_CLK)
+
+#endif	/* __CLOCK_H__ */