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path: root/drivers/clk/davinci/pll-dm644x.c
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-rw-r--r--drivers/clk/davinci/pll-dm644x.c81
1 files changed, 81 insertions, 0 deletions
diff --git a/drivers/clk/davinci/pll-dm644x.c b/drivers/clk/davinci/pll-dm644x.c
new file mode 100644
index 000000000..7650fadfa
--- /dev/null
+++ b/drivers/clk/davinci/pll-dm644x.c
@@ -0,0 +1,81 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * PLL clock descriptions for TI DM644X
+ *
+ * Copyright (C) 2018 David Lechner <david@lechnology.com>
+ */
+
+#include <linux/bitops.h>
+#include <linux/clk/davinci.h>
+#include <linux/clkdev.h>
+#include <linux/init.h>
+#include <linux/types.h>
+
+#include "pll.h"
+
+static const struct davinci_pll_clk_info dm644x_pll1_info = {
+ .name = "pll1",
+ .pllm_mask = GENMASK(4, 0),
+ .pllm_min = 1,
+ .pllm_max = 32,
+ .pllout_min_rate = 400000000,
+ .pllout_max_rate = 600000000, /* 810MHz @ 1.3V, -810 only */
+ .flags = PLL_HAS_CLKMODE | PLL_HAS_POSTDIV,
+};
+
+SYSCLK(1, pll1_sysclk1, pll1_pllen, 4, SYSCLK_FIXED_DIV);
+SYSCLK(2, pll1_sysclk2, pll1_pllen, 4, SYSCLK_FIXED_DIV);
+SYSCLK(3, pll1_sysclk3, pll1_pllen, 4, SYSCLK_FIXED_DIV);
+SYSCLK(5, pll1_sysclk5, pll1_pllen, 4, SYSCLK_FIXED_DIV);
+
+int dm644x_pll1_init(struct device *dev, void __iomem *base, struct regmap *cfgchip)
+{
+ struct clk *clk;
+
+ davinci_pll_clk_register(dev, &dm644x_pll1_info, "ref_clk", base, cfgchip);
+
+ clk = davinci_pll_sysclk_register(dev, &pll1_sysclk1, base);
+ clk_register_clkdev(clk, "pll1_sysclk1", "dm644x-psc");
+
+ clk = davinci_pll_sysclk_register(dev, &pll1_sysclk2, base);
+ clk_register_clkdev(clk, "pll1_sysclk2", "dm644x-psc");
+
+ clk = davinci_pll_sysclk_register(dev, &pll1_sysclk3, base);
+ clk_register_clkdev(clk, "pll1_sysclk3", "dm644x-psc");
+
+ clk = davinci_pll_sysclk_register(dev, &pll1_sysclk5, base);
+ clk_register_clkdev(clk, "pll1_sysclk5", "dm644x-psc");
+
+ clk = davinci_pll_auxclk_register(dev, "pll1_auxclk", base);
+ clk_register_clkdev(clk, "pll1_auxclk", "dm644x-psc");
+
+ davinci_pll_sysclkbp_clk_register(dev, "pll1_sysclkbp", base);
+
+ return 0;
+}
+
+static const struct davinci_pll_clk_info dm644x_pll2_info = {
+ .name = "pll2",
+ .pllm_mask = GENMASK(4, 0),
+ .pllm_min = 1,
+ .pllm_max = 32,
+ .pllout_min_rate = 400000000,
+ .pllout_max_rate = 900000000,
+ .flags = PLL_HAS_POSTDIV | PLL_POSTDIV_FIXED_DIV,
+};
+
+SYSCLK(1, pll2_sysclk1, pll2_pllen, 4, 0);
+SYSCLK(2, pll2_sysclk2, pll2_pllen, 4, 0);
+
+int dm644x_pll2_init(struct device *dev, void __iomem *base, struct regmap *cfgchip)
+{
+ davinci_pll_clk_register(dev, &dm644x_pll2_info, "oscin", base, cfgchip);
+
+ davinci_pll_sysclk_register(dev, &pll2_sysclk1, base);
+
+ davinci_pll_sysclk_register(dev, &pll2_sysclk2, base);
+
+ davinci_pll_sysclkbp_clk_register(dev, "pll2_sysclkbp", base);
+
+ return 0;
+}