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7653c318b7
To reconfigure clocks, controlled by FRQCRA and FRQCRB, a kick bit has to be set and to make sure the setting has taken effect, it has to be read back repeatedly until it is cleared by the hardware. This patch adds the waiting part, that was missing until now. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Acked-by: Magnus Damm <damm@opensource.se Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
660 lines
20 KiB
C
660 lines
20 KiB
C
/*
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* sh73a0 clock framework support
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*
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* Copyright (C) 2010 Magnus Damm
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <linux/init.h>
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#include <linux/kernel.h>
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#include <linux/io.h>
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#include <linux/sh_clk.h>
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#include <linux/clkdev.h>
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#include <asm/processor.h>
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#include <mach/common.h>
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#define FRQCRA IOMEM(0xe6150000)
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#define FRQCRB IOMEM(0xe6150004)
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#define FRQCRD IOMEM(0xe61500e4)
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#define VCLKCR1 IOMEM(0xe6150008)
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#define VCLKCR2 IOMEM(0xe615000C)
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#define VCLKCR3 IOMEM(0xe615001C)
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#define ZBCKCR IOMEM(0xe6150010)
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#define FLCKCR IOMEM(0xe6150014)
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#define SD0CKCR IOMEM(0xe6150074)
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#define SD1CKCR IOMEM(0xe6150078)
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#define SD2CKCR IOMEM(0xe615007C)
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#define FSIACKCR IOMEM(0xe6150018)
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#define FSIBCKCR IOMEM(0xe6150090)
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#define SUBCKCR IOMEM(0xe6150080)
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#define SPUACKCR IOMEM(0xe6150084)
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#define SPUVCKCR IOMEM(0xe6150094)
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#define MSUCKCR IOMEM(0xe6150088)
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#define HSICKCR IOMEM(0xe615008C)
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#define MFCK1CR IOMEM(0xe6150098)
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#define MFCK2CR IOMEM(0xe615009C)
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#define DSITCKCR IOMEM(0xe6150060)
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#define DSI0PCKCR IOMEM(0xe6150064)
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#define DSI1PCKCR IOMEM(0xe6150068)
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#define DSI0PHYCR 0xe615006C
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#define DSI1PHYCR 0xe6150070
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#define PLLECR IOMEM(0xe61500d0)
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#define PLL0CR IOMEM(0xe61500d8)
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#define PLL1CR IOMEM(0xe6150028)
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#define PLL2CR IOMEM(0xe615002c)
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#define PLL3CR IOMEM(0xe61500dc)
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#define SMSTPCR0 IOMEM(0xe6150130)
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#define SMSTPCR1 IOMEM(0xe6150134)
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#define SMSTPCR2 IOMEM(0xe6150138)
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#define SMSTPCR3 IOMEM(0xe615013c)
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#define SMSTPCR4 IOMEM(0xe6150140)
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#define SMSTPCR5 IOMEM(0xe6150144)
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#define CKSCR IOMEM(0xe61500c0)
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/* Fixed 32 KHz root clock from EXTALR pin */
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static struct clk r_clk = {
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.rate = 32768,
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};
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/*
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* 26MHz default rate for the EXTAL1 root input clock.
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* If needed, reset this with clk_set_rate() from the platform code.
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*/
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struct clk sh73a0_extal1_clk = {
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.rate = 26000000,
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};
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/*
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* 48MHz default rate for the EXTAL2 root input clock.
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* If needed, reset this with clk_set_rate() from the platform code.
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*/
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struct clk sh73a0_extal2_clk = {
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.rate = 48000000,
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};
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/* A fixed divide-by-2 block */
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static unsigned long div2_recalc(struct clk *clk)
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{
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return clk->parent->rate / 2;
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}
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static struct sh_clk_ops div2_clk_ops = {
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.recalc = div2_recalc,
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};
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static unsigned long div7_recalc(struct clk *clk)
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{
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return clk->parent->rate / 7;
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}
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static struct sh_clk_ops div7_clk_ops = {
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.recalc = div7_recalc,
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};
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static unsigned long div13_recalc(struct clk *clk)
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{
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return clk->parent->rate / 13;
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}
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static struct sh_clk_ops div13_clk_ops = {
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.recalc = div13_recalc,
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};
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/* Divide extal1 by two */
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static struct clk extal1_div2_clk = {
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.ops = &div2_clk_ops,
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.parent = &sh73a0_extal1_clk,
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};
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/* Divide extal2 by two */
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static struct clk extal2_div2_clk = {
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.ops = &div2_clk_ops,
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.parent = &sh73a0_extal2_clk,
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};
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static struct sh_clk_ops main_clk_ops = {
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.recalc = followparent_recalc,
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};
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/* Main clock */
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static struct clk main_clk = {
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.ops = &main_clk_ops,
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};
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/* Divide Main clock by two */
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static struct clk main_div2_clk = {
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.ops = &div2_clk_ops,
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.parent = &main_clk,
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};
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/* PLL0, PLL1, PLL2, PLL3 */
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static unsigned long pll_recalc(struct clk *clk)
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{
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unsigned long mult = 1;
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if (__raw_readl(PLLECR) & (1 << clk->enable_bit)) {
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mult = (((__raw_readl(clk->enable_reg) >> 24) & 0x3f) + 1);
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/* handle CFG bit for PLL1 and PLL2 */
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switch (clk->enable_bit) {
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case 1:
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case 2:
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if (__raw_readl(clk->enable_reg) & (1 << 20))
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mult *= 2;
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}
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}
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return clk->parent->rate * mult;
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}
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static struct sh_clk_ops pll_clk_ops = {
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.recalc = pll_recalc,
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};
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static struct clk pll0_clk = {
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.ops = &pll_clk_ops,
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.flags = CLK_ENABLE_ON_INIT,
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.parent = &main_clk,
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.enable_reg = (void __iomem *)PLL0CR,
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.enable_bit = 0,
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};
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static struct clk pll1_clk = {
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.ops = &pll_clk_ops,
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.flags = CLK_ENABLE_ON_INIT,
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.parent = &main_clk,
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.enable_reg = (void __iomem *)PLL1CR,
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.enable_bit = 1,
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};
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static struct clk pll2_clk = {
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.ops = &pll_clk_ops,
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.flags = CLK_ENABLE_ON_INIT,
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.parent = &main_clk,
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.enable_reg = (void __iomem *)PLL2CR,
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.enable_bit = 2,
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};
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static struct clk pll3_clk = {
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.ops = &pll_clk_ops,
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.flags = CLK_ENABLE_ON_INIT,
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.parent = &main_clk,
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.enable_reg = (void __iomem *)PLL3CR,
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.enable_bit = 3,
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};
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/* Divide PLL */
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static struct clk pll1_div2_clk = {
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.ops = &div2_clk_ops,
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.parent = &pll1_clk,
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};
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static struct clk pll1_div7_clk = {
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.ops = &div7_clk_ops,
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.parent = &pll1_clk,
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};
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static struct clk pll1_div13_clk = {
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.ops = &div13_clk_ops,
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.parent = &pll1_clk,
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};
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/* External input clock */
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struct clk sh73a0_extcki_clk = {
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};
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struct clk sh73a0_extalr_clk = {
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};
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static struct clk *main_clks[] = {
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&r_clk,
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&sh73a0_extal1_clk,
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&sh73a0_extal2_clk,
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&extal1_div2_clk,
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&extal2_div2_clk,
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&main_clk,
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&main_div2_clk,
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&pll0_clk,
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&pll1_clk,
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&pll2_clk,
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&pll3_clk,
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&pll1_div2_clk,
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&pll1_div7_clk,
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&pll1_div13_clk,
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&sh73a0_extcki_clk,
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&sh73a0_extalr_clk,
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};
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static int frqcr_kick(void)
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{
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int i;
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/* set KICK bit in FRQCRB to update hardware setting, check success */
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__raw_writel(__raw_readl(FRQCRB) | (1 << 31), FRQCRB);
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for (i = 1000; i; i--)
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if (__raw_readl(FRQCRB) & (1 << 31))
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cpu_relax();
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else
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return i;
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return -ETIMEDOUT;
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}
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static void div4_kick(struct clk *clk)
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{
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frqcr_kick();
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}
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static int divisors[] = { 2, 3, 4, 6, 8, 12, 16, 18,
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24, 0, 36, 48, 7 };
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static struct clk_div_mult_table div4_div_mult_table = {
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.divisors = divisors,
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.nr_divisors = ARRAY_SIZE(divisors),
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};
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static struct clk_div4_table div4_table = {
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.div_mult_table = &div4_div_mult_table,
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.kick = div4_kick,
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};
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enum { DIV4_I, DIV4_ZG, DIV4_M3, DIV4_B, DIV4_M1, DIV4_M2,
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DIV4_Z, DIV4_ZTR, DIV4_ZT, DIV4_ZX, DIV4_HP, DIV4_NR };
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#define DIV4(_reg, _bit, _mask, _flags) \
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SH_CLK_DIV4(&pll1_clk, _reg, _bit, _mask, _flags)
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static struct clk div4_clks[DIV4_NR] = {
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[DIV4_I] = DIV4(FRQCRA, 20, 0xdff, CLK_ENABLE_ON_INIT),
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[DIV4_ZG] = SH_CLK_DIV4(&pll0_clk, FRQCRA, 16, 0xd7f, CLK_ENABLE_ON_INIT),
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[DIV4_M3] = DIV4(FRQCRA, 12, 0x1dff, CLK_ENABLE_ON_INIT),
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[DIV4_B] = DIV4(FRQCRA, 8, 0xdff, CLK_ENABLE_ON_INIT),
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[DIV4_M1] = DIV4(FRQCRA, 4, 0x1dff, 0),
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[DIV4_M2] = DIV4(FRQCRA, 0, 0x1dff, 0),
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[DIV4_Z] = SH_CLK_DIV4(&pll0_clk, FRQCRB, 24, 0x97f, 0),
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[DIV4_ZTR] = DIV4(FRQCRB, 20, 0xdff, 0),
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[DIV4_ZT] = DIV4(FRQCRB, 16, 0xdff, 0),
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[DIV4_ZX] = DIV4(FRQCRB, 12, 0xdff, 0),
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[DIV4_HP] = DIV4(FRQCRB, 4, 0xdff, 0),
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};
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enum { DIV6_VCK1, DIV6_VCK2, DIV6_VCK3, DIV6_ZB1,
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DIV6_FLCTL, DIV6_SDHI0, DIV6_SDHI1, DIV6_SDHI2,
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DIV6_FSIA, DIV6_FSIB, DIV6_SUB,
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DIV6_SPUA, DIV6_SPUV, DIV6_MSU,
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DIV6_HSI, DIV6_MFG1, DIV6_MFG2,
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DIV6_DSIT, DIV6_DSI0P, DIV6_DSI1P,
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DIV6_NR };
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static struct clk *vck_parent[8] = {
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[0] = &pll1_div2_clk,
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[1] = &pll2_clk,
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[2] = &sh73a0_extcki_clk,
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[3] = &sh73a0_extal2_clk,
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[4] = &main_div2_clk,
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[5] = &sh73a0_extalr_clk,
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[6] = &main_clk,
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};
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static struct clk *pll_parent[4] = {
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[0] = &pll1_div2_clk,
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[1] = &pll2_clk,
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[2] = &pll1_div13_clk,
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};
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static struct clk *hsi_parent[4] = {
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[0] = &pll1_div2_clk,
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[1] = &pll2_clk,
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[2] = &pll1_div7_clk,
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};
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static struct clk *pll_extal2_parent[] = {
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[0] = &pll1_div2_clk,
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[1] = &pll2_clk,
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[2] = &sh73a0_extal2_clk,
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[3] = &sh73a0_extal2_clk,
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};
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static struct clk *dsi_parent[8] = {
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[0] = &pll1_div2_clk,
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[1] = &pll2_clk,
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[2] = &main_clk,
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[3] = &sh73a0_extal2_clk,
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[4] = &sh73a0_extcki_clk,
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};
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static struct clk div6_clks[DIV6_NR] = {
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[DIV6_VCK1] = SH_CLK_DIV6_EXT(VCLKCR1, 0,
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vck_parent, ARRAY_SIZE(vck_parent), 12, 3),
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[DIV6_VCK2] = SH_CLK_DIV6_EXT(VCLKCR2, 0,
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vck_parent, ARRAY_SIZE(vck_parent), 12, 3),
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[DIV6_VCK3] = SH_CLK_DIV6_EXT(VCLKCR3, 0,
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vck_parent, ARRAY_SIZE(vck_parent), 12, 3),
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[DIV6_ZB1] = SH_CLK_DIV6_EXT(ZBCKCR, CLK_ENABLE_ON_INIT,
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pll_parent, ARRAY_SIZE(pll_parent), 7, 1),
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[DIV6_FLCTL] = SH_CLK_DIV6_EXT(FLCKCR, 0,
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pll_parent, ARRAY_SIZE(pll_parent), 7, 1),
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[DIV6_SDHI0] = SH_CLK_DIV6_EXT(SD0CKCR, 0,
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pll_parent, ARRAY_SIZE(pll_parent), 6, 2),
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[DIV6_SDHI1] = SH_CLK_DIV6_EXT(SD1CKCR, 0,
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pll_parent, ARRAY_SIZE(pll_parent), 6, 2),
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[DIV6_SDHI2] = SH_CLK_DIV6_EXT(SD2CKCR, 0,
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pll_parent, ARRAY_SIZE(pll_parent), 6, 2),
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[DIV6_FSIA] = SH_CLK_DIV6_EXT(FSIACKCR, 0,
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pll_parent, ARRAY_SIZE(pll_parent), 6, 1),
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[DIV6_FSIB] = SH_CLK_DIV6_EXT(FSIBCKCR, 0,
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pll_parent, ARRAY_SIZE(pll_parent), 6, 1),
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[DIV6_SUB] = SH_CLK_DIV6_EXT(SUBCKCR, 0,
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pll_extal2_parent, ARRAY_SIZE(pll_extal2_parent), 6, 2),
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[DIV6_SPUA] = SH_CLK_DIV6_EXT(SPUACKCR, 0,
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pll_extal2_parent, ARRAY_SIZE(pll_extal2_parent), 6, 2),
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[DIV6_SPUV] = SH_CLK_DIV6_EXT(SPUVCKCR, 0,
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pll_extal2_parent, ARRAY_SIZE(pll_extal2_parent), 6, 2),
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[DIV6_MSU] = SH_CLK_DIV6_EXT(MSUCKCR, 0,
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pll_parent, ARRAY_SIZE(pll_parent), 7, 1),
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[DIV6_HSI] = SH_CLK_DIV6_EXT(HSICKCR, 0,
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hsi_parent, ARRAY_SIZE(hsi_parent), 6, 2),
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[DIV6_MFG1] = SH_CLK_DIV6_EXT(MFCK1CR, 0,
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pll_parent, ARRAY_SIZE(pll_parent), 7, 1),
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[DIV6_MFG2] = SH_CLK_DIV6_EXT(MFCK2CR, 0,
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pll_parent, ARRAY_SIZE(pll_parent), 7, 1),
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[DIV6_DSIT] = SH_CLK_DIV6_EXT(DSITCKCR, 0,
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pll_parent, ARRAY_SIZE(pll_parent), 7, 1),
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[DIV6_DSI0P] = SH_CLK_DIV6_EXT(DSI0PCKCR, 0,
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dsi_parent, ARRAY_SIZE(dsi_parent), 12, 3),
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[DIV6_DSI1P] = SH_CLK_DIV6_EXT(DSI1PCKCR, 0,
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dsi_parent, ARRAY_SIZE(dsi_parent), 12, 3),
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};
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/* DSI DIV */
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static unsigned long dsiphy_recalc(struct clk *clk)
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{
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u32 value;
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value = __raw_readl(clk->mapping->base);
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/* FIXME */
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if (!(value & 0x000B8000))
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return clk->parent->rate;
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value &= 0x3f;
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value += 1;
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if ((value < 12) ||
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(value > 33)) {
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pr_err("DSIPHY has wrong value (%d)", value);
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return 0;
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}
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return clk->parent->rate / value;
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}
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static long dsiphy_round_rate(struct clk *clk, unsigned long rate)
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{
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return clk_rate_mult_range_round(clk, 12, 33, rate);
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}
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static void dsiphy_disable(struct clk *clk)
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{
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u32 value;
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value = __raw_readl(clk->mapping->base);
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value &= ~0x000B8000;
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__raw_writel(value , clk->mapping->base);
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}
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static int dsiphy_enable(struct clk *clk)
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{
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u32 value;
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int multi;
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value = __raw_readl(clk->mapping->base);
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multi = (value & 0x3f) + 1;
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if ((multi < 12) || (multi > 33))
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return -EIO;
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__raw_writel(value | 0x000B8000, clk->mapping->base);
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return 0;
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}
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static int dsiphy_set_rate(struct clk *clk, unsigned long rate)
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{
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u32 value;
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int idx;
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idx = rate / clk->parent->rate;
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if ((idx < 12) || (idx > 33))
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return -EINVAL;
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idx += -1;
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value = __raw_readl(clk->mapping->base);
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value = (value & ~0x3f) + idx;
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__raw_writel(value, clk->mapping->base);
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return 0;
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}
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static struct sh_clk_ops dsiphy_clk_ops = {
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.recalc = dsiphy_recalc,
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.round_rate = dsiphy_round_rate,
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.set_rate = dsiphy_set_rate,
|
|
.enable = dsiphy_enable,
|
|
.disable = dsiphy_disable,
|
|
};
|
|
|
|
static struct clk_mapping dsi0phy_clk_mapping = {
|
|
.phys = DSI0PHYCR,
|
|
.len = 4,
|
|
};
|
|
|
|
static struct clk_mapping dsi1phy_clk_mapping = {
|
|
.phys = DSI1PHYCR,
|
|
.len = 4,
|
|
};
|
|
|
|
static struct clk dsi0phy_clk = {
|
|
.ops = &dsiphy_clk_ops,
|
|
.parent = &div6_clks[DIV6_DSI0P], /* late install */
|
|
.mapping = &dsi0phy_clk_mapping,
|
|
};
|
|
|
|
static struct clk dsi1phy_clk = {
|
|
.ops = &dsiphy_clk_ops,
|
|
.parent = &div6_clks[DIV6_DSI1P], /* late install */
|
|
.mapping = &dsi1phy_clk_mapping,
|
|
};
|
|
|
|
static struct clk *late_main_clks[] = {
|
|
&dsi0phy_clk,
|
|
&dsi1phy_clk,
|
|
};
|
|
|
|
enum { MSTP001,
|
|
MSTP129, MSTP128, MSTP127, MSTP126, MSTP125, MSTP118, MSTP116, MSTP100,
|
|
MSTP219, MSTP218, MSTP217,
|
|
MSTP207, MSTP206, MSTP204, MSTP203, MSTP202, MSTP201, MSTP200,
|
|
MSTP331, MSTP329, MSTP328, MSTP325, MSTP323, MSTP322,
|
|
MSTP314, MSTP313, MSTP312, MSTP311,
|
|
MSTP303, MSTP302, MSTP301, MSTP300,
|
|
MSTP411, MSTP410, MSTP403,
|
|
MSTP_NR };
|
|
|
|
#define MSTP(_parent, _reg, _bit, _flags) \
|
|
SH_CLK_MSTP32(_parent, _reg, _bit, _flags)
|
|
|
|
static struct clk mstp_clks[MSTP_NR] = {
|
|
[MSTP001] = MSTP(&div4_clks[DIV4_HP], SMSTPCR0, 1, 0), /* IIC2 */
|
|
[MSTP129] = MSTP(&div4_clks[DIV4_B], SMSTPCR1, 29, 0), /* CEU1 */
|
|
[MSTP128] = MSTP(&div4_clks[DIV4_B], SMSTPCR1, 28, 0), /* CSI2-RX1 */
|
|
[MSTP127] = MSTP(&div4_clks[DIV4_B], SMSTPCR1, 27, 0), /* CEU0 */
|
|
[MSTP126] = MSTP(&div4_clks[DIV4_B], SMSTPCR1, 26, 0), /* CSI2-RX0 */
|
|
[MSTP125] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR1, 25, 0), /* TMU0 */
|
|
[MSTP118] = MSTP(&div4_clks[DIV4_B], SMSTPCR1, 18, 0), /* DSITX0 */
|
|
[MSTP116] = MSTP(&div4_clks[DIV4_HP], SMSTPCR1, 16, 0), /* IIC0 */
|
|
[MSTP100] = MSTP(&div4_clks[DIV4_B], SMSTPCR1, 0, 0), /* LCDC0 */
|
|
[MSTP219] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 19, 0), /* SCIFA7 */
|
|
[MSTP218] = MSTP(&div4_clks[DIV4_HP], SMSTPCR2, 18, 0), /* SY-DMAC */
|
|
[MSTP217] = MSTP(&div4_clks[DIV4_HP], SMSTPCR2, 17, 0), /* MP-DMAC */
|
|
[MSTP207] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 7, 0), /* SCIFA5 */
|
|
[MSTP206] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 6, 0), /* SCIFB */
|
|
[MSTP204] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 4, 0), /* SCIFA0 */
|
|
[MSTP203] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 3, 0), /* SCIFA1 */
|
|
[MSTP202] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 2, 0), /* SCIFA2 */
|
|
[MSTP201] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 1, 0), /* SCIFA3 */
|
|
[MSTP200] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 0, 0), /* SCIFA4 */
|
|
[MSTP331] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR3, 31, 0), /* SCIFA6 */
|
|
[MSTP329] = MSTP(&r_clk, SMSTPCR3, 29, 0), /* CMT10 */
|
|
[MSTP328] = MSTP(&div4_clks[DIV4_HP], SMSTPCR3, 28, 0), /*FSI*/
|
|
[MSTP325] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR3, 25, 0), /* IrDA */
|
|
[MSTP323] = MSTP(&div4_clks[DIV4_HP], SMSTPCR3, 23, 0), /* IIC1 */
|
|
[MSTP322] = MSTP(&div4_clks[DIV4_HP], SMSTPCR3, 22, 0), /* USB */
|
|
[MSTP314] = MSTP(&div6_clks[DIV6_SDHI0], SMSTPCR3, 14, 0), /* SDHI0 */
|
|
[MSTP313] = MSTP(&div6_clks[DIV6_SDHI1], SMSTPCR3, 13, 0), /* SDHI1 */
|
|
[MSTP312] = MSTP(&div4_clks[DIV4_HP], SMSTPCR3, 12, 0), /* MMCIF0 */
|
|
[MSTP311] = MSTP(&div6_clks[DIV6_SDHI2], SMSTPCR3, 11, 0), /* SDHI2 */
|
|
[MSTP303] = MSTP(&main_div2_clk, SMSTPCR3, 3, 0), /* TPU1 */
|
|
[MSTP302] = MSTP(&main_div2_clk, SMSTPCR3, 2, 0), /* TPU2 */
|
|
[MSTP301] = MSTP(&main_div2_clk, SMSTPCR3, 1, 0), /* TPU3 */
|
|
[MSTP300] = MSTP(&main_div2_clk, SMSTPCR3, 0, 0), /* TPU4 */
|
|
[MSTP411] = MSTP(&div4_clks[DIV4_HP], SMSTPCR4, 11, 0), /* IIC3 */
|
|
[MSTP410] = MSTP(&div4_clks[DIV4_HP], SMSTPCR4, 10, 0), /* IIC4 */
|
|
[MSTP403] = MSTP(&r_clk, SMSTPCR4, 3, 0), /* KEYSC */
|
|
};
|
|
|
|
/* The lookups structure below includes duplicate entries for some clocks
|
|
* with alternate names.
|
|
* - The traditional name used when a device is initialised with platform data
|
|
* - The name used when a device is initialised using device tree
|
|
* The longer-term aim is to remove these duplicates, and indeed the
|
|
* lookups table entirely, by describing clocks using device tree.
|
|
*/
|
|
static struct clk_lookup lookups[] = {
|
|
/* main clocks */
|
|
CLKDEV_CON_ID("r_clk", &r_clk),
|
|
|
|
/* DIV6 clocks */
|
|
CLKDEV_CON_ID("vck1_clk", &div6_clks[DIV6_VCK1]),
|
|
CLKDEV_CON_ID("vck2_clk", &div6_clks[DIV6_VCK2]),
|
|
CLKDEV_CON_ID("vck3_clk", &div6_clks[DIV6_VCK3]),
|
|
CLKDEV_CON_ID("sdhi0_clk", &div6_clks[DIV6_SDHI0]),
|
|
CLKDEV_CON_ID("sdhi1_clk", &div6_clks[DIV6_SDHI1]),
|
|
CLKDEV_CON_ID("sdhi2_clk", &div6_clks[DIV6_SDHI2]),
|
|
CLKDEV_ICK_ID("dsit_clk", "sh-mipi-dsi.0", &div6_clks[DIV6_DSIT]),
|
|
CLKDEV_ICK_ID("dsit_clk", "sh-mipi-dsi.1", &div6_clks[DIV6_DSIT]),
|
|
CLKDEV_ICK_ID("dsip_clk", "sh-mipi-dsi.0", &div6_clks[DIV6_DSI0P]),
|
|
CLKDEV_ICK_ID("dsip_clk", "sh-mipi-dsi.1", &div6_clks[DIV6_DSI1P]),
|
|
CLKDEV_ICK_ID("dsiphy_clk", "sh-mipi-dsi.0", &dsi0phy_clk),
|
|
CLKDEV_ICK_ID("dsiphy_clk", "sh-mipi-dsi.1", &dsi1phy_clk),
|
|
|
|
/* MSTP32 clocks */
|
|
CLKDEV_DEV_ID("i2c-sh_mobile.2", &mstp_clks[MSTP001]), /* I2C2 */
|
|
CLKDEV_DEV_ID("e6824000.i2c", &mstp_clks[MSTP001]), /* I2C2 */
|
|
CLKDEV_DEV_ID("sh_mobile_ceu.1", &mstp_clks[MSTP129]), /* CEU1 */
|
|
CLKDEV_DEV_ID("sh-mobile-csi2.1", &mstp_clks[MSTP128]), /* CSI2-RX1 */
|
|
CLKDEV_DEV_ID("sh_mobile_ceu.0", &mstp_clks[MSTP127]), /* CEU0 */
|
|
CLKDEV_DEV_ID("sh-mobile-csi2.0", &mstp_clks[MSTP126]), /* CSI2-RX0 */
|
|
CLKDEV_DEV_ID("sh_tmu.0", &mstp_clks[MSTP125]), /* TMU00 */
|
|
CLKDEV_DEV_ID("sh_tmu.1", &mstp_clks[MSTP125]), /* TMU01 */
|
|
CLKDEV_DEV_ID("sh-mipi-dsi.0", &mstp_clks[MSTP118]), /* DSITX */
|
|
CLKDEV_DEV_ID("i2c-sh_mobile.0", &mstp_clks[MSTP116]), /* I2C0 */
|
|
CLKDEV_DEV_ID("e6820000.i2c", &mstp_clks[MSTP116]), /* I2C0 */
|
|
CLKDEV_DEV_ID("sh_mobile_lcdc_fb.0", &mstp_clks[MSTP100]), /* LCDC0 */
|
|
CLKDEV_DEV_ID("sh-sci.7", &mstp_clks[MSTP219]), /* SCIFA7 */
|
|
CLKDEV_DEV_ID("sh-dma-engine.0", &mstp_clks[MSTP218]), /* SY-DMAC */
|
|
CLKDEV_DEV_ID("sh-dma-engine.1", &mstp_clks[MSTP217]), /* MP-DMAC */
|
|
CLKDEV_DEV_ID("sh-sci.5", &mstp_clks[MSTP207]), /* SCIFA5 */
|
|
CLKDEV_DEV_ID("sh-sci.8", &mstp_clks[MSTP206]), /* SCIFB */
|
|
CLKDEV_DEV_ID("sh-sci.0", &mstp_clks[MSTP204]), /* SCIFA0 */
|
|
CLKDEV_DEV_ID("sh-sci.1", &mstp_clks[MSTP203]), /* SCIFA1 */
|
|
CLKDEV_DEV_ID("sh-sci.2", &mstp_clks[MSTP202]), /* SCIFA2 */
|
|
CLKDEV_DEV_ID("sh-sci.3", &mstp_clks[MSTP201]), /* SCIFA3 */
|
|
CLKDEV_DEV_ID("sh-sci.4", &mstp_clks[MSTP200]), /* SCIFA4 */
|
|
CLKDEV_DEV_ID("sh-sci.6", &mstp_clks[MSTP331]), /* SCIFA6 */
|
|
CLKDEV_DEV_ID("sh_cmt.10", &mstp_clks[MSTP329]), /* CMT10 */
|
|
CLKDEV_DEV_ID("sh_fsi2", &mstp_clks[MSTP328]), /* FSI */
|
|
CLKDEV_DEV_ID("sh_irda.0", &mstp_clks[MSTP325]), /* IrDA */
|
|
CLKDEV_DEV_ID("i2c-sh_mobile.1", &mstp_clks[MSTP323]), /* I2C1 */
|
|
CLKDEV_DEV_ID("e6822000.i2c", &mstp_clks[MSTP323]), /* I2C1 */
|
|
CLKDEV_DEV_ID("renesas_usbhs", &mstp_clks[MSTP322]), /* USB */
|
|
CLKDEV_DEV_ID("sh_mobile_sdhi.0", &mstp_clks[MSTP314]), /* SDHI0 */
|
|
CLKDEV_DEV_ID("ee100000.sdhi", &mstp_clks[MSTP314]), /* SDHI0 */
|
|
CLKDEV_DEV_ID("sh_mobile_sdhi.1", &mstp_clks[MSTP313]), /* SDHI1 */
|
|
CLKDEV_DEV_ID("ee120000.sdhi", &mstp_clks[MSTP313]), /* SDHI1 */
|
|
CLKDEV_DEV_ID("sh_mmcif.0", &mstp_clks[MSTP312]), /* MMCIF0 */
|
|
CLKDEV_DEV_ID("e6bd0000.mmcif", &mstp_clks[MSTP312]), /* MMCIF0 */
|
|
CLKDEV_DEV_ID("sh_mobile_sdhi.2", &mstp_clks[MSTP311]), /* SDHI2 */
|
|
CLKDEV_DEV_ID("ee140000.sdhi", &mstp_clks[MSTP311]), /* SDHI2 */
|
|
CLKDEV_DEV_ID("leds-renesas-tpu.12", &mstp_clks[MSTP303]), /* TPU1 */
|
|
CLKDEV_DEV_ID("leds-renesas-tpu.21", &mstp_clks[MSTP302]), /* TPU2 */
|
|
CLKDEV_DEV_ID("leds-renesas-tpu.30", &mstp_clks[MSTP301]), /* TPU3 */
|
|
CLKDEV_DEV_ID("leds-renesas-tpu.41", &mstp_clks[MSTP300]), /* TPU4 */
|
|
CLKDEV_DEV_ID("i2c-sh_mobile.3", &mstp_clks[MSTP411]), /* I2C3 */
|
|
CLKDEV_DEV_ID("e6826000.i2c", &mstp_clks[MSTP411]), /* I2C3 */
|
|
CLKDEV_DEV_ID("i2c-sh_mobile.4", &mstp_clks[MSTP410]), /* I2C4 */
|
|
CLKDEV_DEV_ID("e6828000.i2c", &mstp_clks[MSTP410]), /* I2C4 */
|
|
CLKDEV_DEV_ID("sh_keysc.0", &mstp_clks[MSTP403]), /* KEYSC */
|
|
};
|
|
|
|
void __init sh73a0_clock_init(void)
|
|
{
|
|
int k, ret = 0;
|
|
|
|
/* Set SDHI clocks to a known state */
|
|
__raw_writel(0x108, SD0CKCR);
|
|
__raw_writel(0x108, SD1CKCR);
|
|
__raw_writel(0x108, SD2CKCR);
|
|
|
|
/* detect main clock parent */
|
|
switch ((__raw_readl(CKSCR) >> 28) & 0x03) {
|
|
case 0:
|
|
main_clk.parent = &sh73a0_extal1_clk;
|
|
break;
|
|
case 1:
|
|
main_clk.parent = &extal1_div2_clk;
|
|
break;
|
|
case 2:
|
|
main_clk.parent = &sh73a0_extal2_clk;
|
|
break;
|
|
case 3:
|
|
main_clk.parent = &extal2_div2_clk;
|
|
break;
|
|
}
|
|
|
|
for (k = 0; !ret && (k < ARRAY_SIZE(main_clks)); k++)
|
|
ret = clk_register(main_clks[k]);
|
|
|
|
if (!ret)
|
|
ret = sh_clk_div4_register(div4_clks, DIV4_NR, &div4_table);
|
|
|
|
if (!ret)
|
|
ret = sh_clk_div6_reparent_register(div6_clks, DIV6_NR);
|
|
|
|
if (!ret)
|
|
ret = sh_clk_mstp_register(mstp_clks, MSTP_NR);
|
|
|
|
for (k = 0; !ret && (k < ARRAY_SIZE(late_main_clks)); k++)
|
|
ret = clk_register(late_main_clks[k]);
|
|
|
|
clkdev_add_table(lookups, ARRAY_SIZE(lookups));
|
|
|
|
if (!ret)
|
|
shmobile_clk_init();
|
|
else
|
|
panic("failed to setup sh73a0 clocks\n");
|
|
}
|