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path: root/drivers/clk/loongson1/clk-loongson1c.c
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Diffstat (limited to 'drivers/clk/loongson1/clk-loongson1c.c')
-rw-r--r--drivers/clk/loongson1/clk-loongson1c.c95
1 files changed, 0 insertions, 95 deletions
diff --git a/drivers/clk/loongson1/clk-loongson1c.c b/drivers/clk/loongson1/clk-loongson1c.c
deleted file mode 100644
index 1ebf740380ef..000000000000
--- a/drivers/clk/loongson1/clk-loongson1c.c
+++ /dev/null
@@ -1,95 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * Copyright (c) 2016 Yang Ling <gnaygnil@gmail.com>
- */
-
-#include <linux/clkdev.h>
-#include <linux/clk-provider.h>
-#include <linux/io.h>
-
-#include <loongson1.h>
-#include "clk.h"
-
-#define OSC (24 * 1000000)
-#define DIV_APB 1
-
-static DEFINE_SPINLOCK(_lock);
-
-static unsigned long ls1x_pll_recalc_rate(struct clk_hw *hw,
- unsigned long parent_rate)
-{
- u32 pll, rate;
-
- pll = __raw_readl(LS1X_CLK_PLL_FREQ);
- rate = ((pll >> 8) & 0xff) + ((pll >> 16) & 0xff);
- rate *= OSC;
- rate >>= 2;
-
- return rate;
-}
-
-static const struct clk_ops ls1x_pll_clk_ops = {
- .recalc_rate = ls1x_pll_recalc_rate,
-};
-
-static const struct clk_div_table ahb_div_table[] = {
- [0] = { .val = 0, .div = 2 },
- [1] = { .val = 1, .div = 4 },
- [2] = { .val = 2, .div = 3 },
- [3] = { .val = 3, .div = 3 },
- [4] = { /* sentinel */ }
-};
-
-void __init ls1x_clk_init(void)
-{
- struct clk_hw *hw;
-
- hw = clk_hw_register_fixed_rate(NULL, "osc_clk", NULL, 0, OSC);
- clk_hw_register_clkdev(hw, "osc_clk", NULL);
-
- /* clock derived from 24 MHz OSC clk */
- hw = clk_hw_register_pll(NULL, "pll_clk", "osc_clk",
- &ls1x_pll_clk_ops, 0);
- clk_hw_register_clkdev(hw, "pll_clk", NULL);
-
- hw = clk_hw_register_divider(NULL, "cpu_clk_div", "pll_clk",
- CLK_GET_RATE_NOCACHE, LS1X_CLK_PLL_DIV,
- DIV_CPU_SHIFT, DIV_CPU_WIDTH,
- CLK_DIVIDER_ONE_BASED |
- CLK_DIVIDER_ROUND_CLOSEST, &_lock);
- clk_hw_register_clkdev(hw, "cpu_clk_div", NULL);
- hw = clk_hw_register_fixed_factor(NULL, "cpu_clk", "cpu_clk_div",
- 0, 1, 1);
- clk_hw_register_clkdev(hw, "cpu_clk", NULL);
-
- hw = clk_hw_register_divider(NULL, "dc_clk_div", "pll_clk",
- 0, LS1X_CLK_PLL_DIV, DIV_DC_SHIFT,
- DIV_DC_WIDTH, CLK_DIVIDER_ONE_BASED, &_lock);
- clk_hw_register_clkdev(hw, "dc_clk_div", NULL);
- hw = clk_hw_register_fixed_factor(NULL, "dc_clk", "dc_clk_div",
- 0, 1, 1);
- clk_hw_register_clkdev(hw, "dc_clk", NULL);
-
- hw = clk_hw_register_divider_table(NULL, "ahb_clk_div", "cpu_clk_div",
- 0, LS1X_CLK_PLL_FREQ, DIV_DDR_SHIFT,
- DIV_DDR_WIDTH, CLK_DIVIDER_ALLOW_ZERO,
- ahb_div_table, &_lock);
- clk_hw_register_clkdev(hw, "ahb_clk_div", NULL);
- hw = clk_hw_register_fixed_factor(NULL, "ahb_clk", "ahb_clk_div",
- 0, 1, 1);
- clk_hw_register_clkdev(hw, "ahb_clk", NULL);
- clk_hw_register_clkdev(hw, "ls1x-dma", NULL);
- clk_hw_register_clkdev(hw, "stmmaceth", NULL);
-
- /* clock derived from AHB clk */
- hw = clk_hw_register_fixed_factor(NULL, "apb_clk", "ahb_clk", 0, 1,
- DIV_APB);
- clk_hw_register_clkdev(hw, "apb_clk", NULL);
- clk_hw_register_clkdev(hw, "ls1x-ac97", NULL);
- clk_hw_register_clkdev(hw, "ls1x-i2c", NULL);
- clk_hw_register_clkdev(hw, "ls1x-nand", NULL);
- clk_hw_register_clkdev(hw, "ls1x-pwmtimer", NULL);
- clk_hw_register_clkdev(hw, "ls1x-spi", NULL);
- clk_hw_register_clkdev(hw, "ls1x-wdt", NULL);
- clk_hw_register_clkdev(hw, "serial8250", NULL);
-}