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78 lines
1.8 KiB
78 lines
1.8 KiB
// SPDX-License-Identifier: GPL-2.0 |
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#include <linux/clk.h> |
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#include <linux/compiler.h> |
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#include <linux/slab.h> |
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#include <linux/io.h> |
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#include <linux/clkdev.h> |
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#include <asm/clock.h> |
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static struct clk master_clk = { |
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.flags = CLK_ENABLE_ON_INIT, |
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.rate = CONFIG_SH_PCLK_FREQ, |
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}; |
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static struct clk peripheral_clk = { |
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.parent = &master_clk, |
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.flags = CLK_ENABLE_ON_INIT, |
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}; |
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static struct clk bus_clk = { |
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.parent = &master_clk, |
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.flags = CLK_ENABLE_ON_INIT, |
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}; |
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static struct clk cpu_clk = { |
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.parent = &master_clk, |
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.flags = CLK_ENABLE_ON_INIT, |
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}; |
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/* |
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* The ordering of these clocks matters, do not change it. |
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*/ |
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static struct clk *onchip_clocks[] = { |
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&master_clk, |
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&peripheral_clk, |
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&bus_clk, |
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&cpu_clk, |
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}; |
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static struct clk_lookup lookups[] = { |
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/* main clocks */ |
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CLKDEV_CON_ID("master_clk", &master_clk), |
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CLKDEV_CON_ID("peripheral_clk", &peripheral_clk), |
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CLKDEV_CON_ID("bus_clk", &bus_clk), |
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CLKDEV_CON_ID("cpu_clk", &cpu_clk), |
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}; |
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int __init __deprecated cpg_clk_init(void) |
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{ |
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int i, ret = 0; |
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for (i = 0; i < ARRAY_SIZE(onchip_clocks); i++) { |
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struct clk *clk = onchip_clocks[i]; |
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arch_init_clk_ops(&clk->ops, i); |
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if (clk->ops) |
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ret |= clk_register(clk); |
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} |
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clkdev_add_table(lookups, ARRAY_SIZE(lookups)); |
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clk_add_alias("fck", "sh-tmu-sh3.0", "peripheral_clk", NULL); |
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clk_add_alias("fck", "sh-tmu.0", "peripheral_clk", NULL); |
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clk_add_alias("fck", "sh-tmu.1", "peripheral_clk", NULL); |
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clk_add_alias("fck", "sh-tmu.2", "peripheral_clk", NULL); |
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clk_add_alias("fck", "sh-mtu2", "peripheral_clk", NULL); |
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clk_add_alias("fck", "sh-cmt-16.0", "peripheral_clk", NULL); |
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clk_add_alias("fck", "sh-cmt-32.0", "peripheral_clk", NULL); |
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return ret; |
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} |
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/* |
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* Placeholder for compatibility, until the lazy CPUs do this |
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* on their own. |
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*/ |
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int __init __weak arch_clk_init(void) |
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{ |
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return cpg_clk_init(); |
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}
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