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Diffstat (limited to 'arch/arm/include/asm/arch-tnetv107x/clock.h')
-rw-r--r--arch/arm/include/asm/arch-tnetv107x/clock.h68
1 files changed, 68 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-tnetv107x/clock.h b/arch/arm/include/asm/arch-tnetv107x/clock.h
new file mode 100644
index 0000000..097f825
--- /dev/null
+++ b/arch/arm/include/asm/arch-tnetv107x/clock.h
@@ -0,0 +1,68 @@
+/*
+ * TNETV107X: Clock APIs
+ *
+ * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef __ASM_ARCH_CLOCK_H
+#define __ASM_ARCH_CLOCK_H
+
+#define PSC_MDCTL_NEXT_SWRSTDISABLE 0x0
+#define PSC_MDCTL_NEXT_SYNCRST 0x1
+#define PSC_MDCTL_NEXT_DISABLE 0x2
+#define PSC_MDCTL_NEXT_ENABLE 0x3
+
+#define CONFIG_SYS_INT_OSC_FREQ 24000000
+
+#ifndef __ASSEMBLY__
+
+/* PLL identifiers */
+enum pll_type_e {
+ SYS_PLL,
+ TDM_PLL,
+ ETH_PLL
+};
+
+/* PLL configuration data */
+struct pll_init_data {
+ int pll;
+ int internal_osc;
+ unsigned long pll_freq;
+ unsigned long div_freq[10];
+};
+
+void init_plls(int num_pll, struct pll_init_data *config);
+int lpsc_status(unsigned int mod);
+void lpsc_control(int mod, unsigned long state, int lrstz);
+unsigned long clk_get_rate(unsigned int clk);
+unsigned long clk_round_rate(unsigned int clk, unsigned long hz);
+int clk_set_rate(unsigned int clk, unsigned long hz);
+
+static inline void clk_enable(unsigned int mod)
+{
+ lpsc_control(mod, PSC_MDCTL_NEXT_ENABLE, -1);
+}
+
+static inline void clk_disable(unsigned int mod)
+{
+ lpsc_control(mod, PSC_MDCTL_NEXT_DISABLE, -1);
+}
+
+#endif
+
+#endif