[PATCH v2 06/13] clk: exynos: Move pll code into clk-exynos7420
Sam Protsenko
semen.protsenko at linaro.org
Thu Jan 11 04:09:02 CET 2024
PLL utilities code is only used by clk-exynos7420 driver at the moment.
Move it into clk-exynos7420 to make clk-pll.c file available for CCF PLL
clocks implementation, which is coming in the next patches.
Signed-off-by: Sam Protsenko <semen.protsenko at linaro.org>
Reviewed-by: Chanho Park <chanho61.park at samsung.com>
---
Changes in v2:
- Added R-b tag
drivers/clk/exynos/Makefile | 1 -
drivers/clk/exynos/clk-exynos7420.c | 25 +++++++++++++++++++++-
drivers/clk/exynos/clk-pll.c | 32 -----------------------------
drivers/clk/exynos/clk-pll.h | 13 ------------
4 files changed, 24 insertions(+), 47 deletions(-)
delete mode 100644 drivers/clk/exynos/clk-pll.c
delete mode 100644 drivers/clk/exynos/clk-pll.h
diff --git a/drivers/clk/exynos/Makefile b/drivers/clk/exynos/Makefile
index c9f29c873e9b..7faf238571ef 100644
--- a/drivers/clk/exynos/Makefile
+++ b/drivers/clk/exynos/Makefile
@@ -3,5 +3,4 @@
# Copyright (C) 2016 Samsung Electronics
# Thomas Abraham <thomas.ab at samsung.com>
-obj-y += clk-pll.o
obj-$(CONFIG_CLK_EXYNOS7420) += clk-exynos7420.o
diff --git a/drivers/clk/exynos/clk-exynos7420.c b/drivers/clk/exynos/clk-exynos7420.c
index 7d869eb02b8e..9caa932e12fb 100644
--- a/drivers/clk/exynos/clk-exynos7420.c
+++ b/drivers/clk/exynos/clk-exynos7420.c
@@ -10,8 +10,15 @@
#include <errno.h>
#include <clk-uclass.h>
#include <asm/io.h>
+#include <div64.h>
#include <dt-bindings/clock/exynos7420-clk.h>
-#include "clk-pll.h"
+
+#define PLL145X_MDIV_SHIFT 16
+#define PLL145X_MDIV_MASK 0x3ff
+#define PLL145X_PDIV_SHIFT 8
+#define PLL145X_PDIV_MASK 0x3f
+#define PLL145X_SDIV_SHIFT 0
+#define PLL145X_SDIV_MASK 0x7
#define DIVIDER(reg, shift, mask) \
(((readl(reg) >> shift) & mask) + 1)
@@ -64,6 +71,22 @@ struct exynos7420_clk_top0_priv {
unsigned long sclk_uart2;
};
+static unsigned long pll145x_get_rate(unsigned int *con1,
+ unsigned long fin_freq)
+{
+ unsigned long pll_con1 = readl(con1);
+ unsigned long mdiv, sdiv, pdiv;
+ u64 fvco = fin_freq;
+
+ mdiv = (pll_con1 >> PLL145X_MDIV_SHIFT) & PLL145X_MDIV_MASK;
+ pdiv = (pll_con1 >> PLL145X_PDIV_SHIFT) & PLL145X_PDIV_MASK;
+ sdiv = (pll_con1 >> PLL145X_SDIV_SHIFT) & PLL145X_SDIV_MASK;
+
+ fvco *= mdiv;
+ do_div(fvco, (pdiv << sdiv));
+ return (unsigned long)fvco;
+}
+
static ulong exynos7420_topc_get_rate(struct clk *clk)
{
struct exynos7420_clk_topc_priv *priv = dev_get_priv(clk->dev);
diff --git a/drivers/clk/exynos/clk-pll.c b/drivers/clk/exynos/clk-pll.c
deleted file mode 100644
index 407fc71d415b..000000000000
--- a/drivers/clk/exynos/clk-pll.c
+++ /dev/null
@@ -1,32 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * Exynos PLL helper functions for clock drivers.
- * Copyright (C) 2016 Samsung Electronics
- * Thomas Abraham <thomas.ab at samsung.com>
- */
-
-#include <common.h>
-#include <asm/io.h>
-#include <div64.h>
-
-#define PLL145X_MDIV_SHIFT 16
-#define PLL145X_MDIV_MASK 0x3ff
-#define PLL145X_PDIV_SHIFT 8
-#define PLL145X_PDIV_MASK 0x3f
-#define PLL145X_SDIV_SHIFT 0
-#define PLL145X_SDIV_MASK 0x7
-
-unsigned long pll145x_get_rate(unsigned int *con1, unsigned long fin_freq)
-{
- unsigned long pll_con1 = readl(con1);
- unsigned long mdiv, sdiv, pdiv;
- uint64_t fvco = fin_freq;
-
- mdiv = (pll_con1 >> PLL145X_MDIV_SHIFT) & PLL145X_MDIV_MASK;
- pdiv = (pll_con1 >> PLL145X_PDIV_SHIFT) & PLL145X_PDIV_MASK;
- sdiv = (pll_con1 >> PLL145X_SDIV_SHIFT) & PLL145X_SDIV_MASK;
-
- fvco *= mdiv;
- do_div(fvco, (pdiv << sdiv));
- return (unsigned long)fvco;
-}
diff --git a/drivers/clk/exynos/clk-pll.h b/drivers/clk/exynos/clk-pll.h
deleted file mode 100644
index 7b7af5e67612..000000000000
--- a/drivers/clk/exynos/clk-pll.h
+++ /dev/null
@@ -1,13 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0+ */
-/*
- * Exynos PLL helper functions for clock drivers.
- * Copyright (C) 2016 Samsung Electronics
- * Thomas Abraham <thomas.ab at samsung.com>
- */
-
-#ifndef __EXYNOS_CLK_PLL_H
-#define __EXYNOS_CLK_PLL_H
-
-unsigned long pll145x_get_rate(unsigned int *con1, unsigned long fin_freq);
-
-#endif /* __EXYNOS_CLK_PLL_H */
--
2.39.2
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