clk: starfive: Add StarFive JH7110 clock driver
Add a DM clock driver for StarFive JH7110 SoC.
Signed-off-by: Yanhong Wang <yanhong.wang@starfivetech.com>
Tested-by: Conor Dooley <conor.dooley@microchip.com>
diff --git a/drivers/clk/starfive/clk.h b/drivers/clk/starfive/clk.h
new file mode 100644
index 0000000..4dee12f
--- /dev/null
+++ b/drivers/clk/starfive/clk.h
@@ -0,0 +1,57 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (C) 2022 Starfive, Inc.
+ * Author: Yanhong Wang <yanhong.wang@starfivetech.com>
+ *
+ */
+
+#ifndef __CLK_STARFIVE_H
+#define __CLK_STARFIVE_H
+
+enum starfive_pll_type {
+ PLL0 = 0,
+ PLL1,
+ PLL2,
+ PLL_MAX = PLL2
+};
+
+struct starfive_pllx_rate {
+ u64 rate;
+ u32 prediv;
+ u32 fbdiv;
+ u32 frac;
+};
+
+struct starfive_pllx_offset {
+ u32 pd;
+ u32 prediv;
+ u32 fbdiv;
+ u32 frac;
+ u32 postdiv1;
+ u32 dacpd;
+ u32 dsmpd;
+ u32 pd_mask;
+ u32 prediv_mask;
+ u32 fbdiv_mask;
+ u32 frac_mask;
+ u32 postdiv1_mask;
+ u32 dacpd_mask;
+ u32 dsmpd_mask;
+};
+
+struct starfive_pllx_clk {
+ enum starfive_pll_type type;
+ const struct starfive_pllx_offset *offset;
+ const struct starfive_pllx_rate *rate_table;
+ int rate_count;
+ int flags;
+};
+
+extern struct starfive_pllx_clk starfive_jh7110_pll0;
+extern struct starfive_pllx_clk starfive_jh7110_pll1;
+extern struct starfive_pllx_clk starfive_jh7110_pll2;
+
+struct clk *starfive_jh7110_pll(const char *name, const char *parent_name,
+ void __iomem *base, void __iomem *sysreg,
+ const struct starfive_pllx_clk *pll_clk);
+#endif