335204dfb8
The information is already included in the COPYING file in the kernel sources root directory, we don't want to modify all source files when the FSF will move to a new address, and I'm tired of seeing the related checkpatch.pl warnings. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
671 lines
20 KiB
C
671 lines
20 KiB
C
/*
|
|
* R8A7740 processor support
|
|
*
|
|
* Copyright (C) 2011 Renesas Solutions Corp.
|
|
* Copyright (C) 2011 Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*/
|
|
#include <linux/init.h>
|
|
#include <linux/kernel.h>
|
|
#include <linux/io.h>
|
|
#include <linux/sh_clk.h>
|
|
#include <linux/clkdev.h>
|
|
|
|
#include "clock.h"
|
|
#include "common.h"
|
|
#include "r8a7740.h"
|
|
|
|
/*
|
|
* | MDx | XTAL1/EXTAL1 | System | EXTALR |
|
|
* Clock |-------+-----------------+ clock | 32.768 | RCLK
|
|
* Mode | 2/1/0 | src MHz | source | KHz | source
|
|
* -------+-------+-----------------+-----------+--------+----------
|
|
* 0 | 0 0 0 | External 20~50 | XTAL1 | O | EXTALR
|
|
* 1 | 0 0 1 | Crystal 20~30 | XTAL1 | O | EXTALR
|
|
* 2 | 0 1 0 | External 40~50 | XTAL1 / 2 | O | EXTALR
|
|
* 3 | 0 1 1 | Crystal 40~50 | XTAL1 / 2 | O | EXTALR
|
|
* 4 | 1 0 0 | External 20~50 | XTAL1 | x | XTAL1 / 1024
|
|
* 5 | 1 0 1 | Crystal 20~30 | XTAL1 | x | XTAL1 / 1024
|
|
* 6 | 1 1 0 | External 40~50 | XTAL1 / 2 | x | XTAL1 / 2048
|
|
* 7 | 1 1 1 | Crystal 40~50 | XTAL1 / 2 | x | XTAL1 / 2048
|
|
*/
|
|
|
|
/* CPG registers */
|
|
#define FRQCRA IOMEM(0xe6150000)
|
|
#define FRQCRB IOMEM(0xe6150004)
|
|
#define VCLKCR1 IOMEM(0xE6150008)
|
|
#define VCLKCR2 IOMEM(0xE615000c)
|
|
#define FRQCRC IOMEM(0xe61500e0)
|
|
#define FSIACKCR IOMEM(0xe6150018)
|
|
#define PLLC01CR IOMEM(0xe6150028)
|
|
|
|
#define SUBCKCR IOMEM(0xe6150080)
|
|
#define USBCKCR IOMEM(0xe615008c)
|
|
|
|
#define MSTPSR0 IOMEM(0xe6150030)
|
|
#define MSTPSR1 IOMEM(0xe6150038)
|
|
#define MSTPSR2 IOMEM(0xe6150040)
|
|
#define MSTPSR3 IOMEM(0xe6150048)
|
|
#define MSTPSR4 IOMEM(0xe615004c)
|
|
#define FSIBCKCR IOMEM(0xe6150090)
|
|
#define HDMICKCR IOMEM(0xe6150094)
|
|
#define SMSTPCR0 IOMEM(0xe6150130)
|
|
#define SMSTPCR1 IOMEM(0xe6150134)
|
|
#define SMSTPCR2 IOMEM(0xe6150138)
|
|
#define SMSTPCR3 IOMEM(0xe615013c)
|
|
#define SMSTPCR4 IOMEM(0xe6150140)
|
|
|
|
#define FSIDIVA IOMEM(0xFE1F8000)
|
|
#define FSIDIVB IOMEM(0xFE1F8008)
|
|
|
|
/* Fixed 32 KHz root clock from EXTALR pin */
|
|
static struct clk extalr_clk = {
|
|
.rate = 32768,
|
|
};
|
|
|
|
/*
|
|
* 25MHz default rate for the EXTAL1 root input clock.
|
|
* If needed, reset this with clk_set_rate() from the platform code.
|
|
*/
|
|
static struct clk extal1_clk = {
|
|
.rate = 25000000,
|
|
};
|
|
|
|
/*
|
|
* 48MHz default rate for the EXTAL2 root input clock.
|
|
* If needed, reset this with clk_set_rate() from the platform code.
|
|
*/
|
|
static struct clk extal2_clk = {
|
|
.rate = 48000000,
|
|
};
|
|
|
|
/*
|
|
* 27MHz default rate for the DV_CLKI root input clock.
|
|
* If needed, reset this with clk_set_rate() from the platform code.
|
|
*/
|
|
static struct clk dv_clk = {
|
|
.rate = 27000000,
|
|
};
|
|
|
|
SH_CLK_RATIO(div2, 1, 2);
|
|
SH_CLK_RATIO(div1k, 1, 1024);
|
|
|
|
SH_FIXED_RATIO_CLK(extal1_div2_clk, extal1_clk, div2);
|
|
SH_FIXED_RATIO_CLK(extal1_div1024_clk, extal1_clk, div1k);
|
|
SH_FIXED_RATIO_CLK(extal1_div2048_clk, extal1_div2_clk, div1k);
|
|
SH_FIXED_RATIO_CLK(extal2_div2_clk, extal2_clk, div2);
|
|
|
|
static struct sh_clk_ops followparent_clk_ops = {
|
|
.recalc = followparent_recalc,
|
|
};
|
|
|
|
/* Main clock */
|
|
static struct clk system_clk = {
|
|
.ops = &followparent_clk_ops,
|
|
};
|
|
|
|
SH_FIXED_RATIO_CLK(system_div2_clk, system_clk, div2);
|
|
|
|
/* r_clk */
|
|
static struct clk r_clk = {
|
|
.ops = &followparent_clk_ops,
|
|
};
|
|
|
|
/* PLLC0/PLLC1 */
|
|
static unsigned long pllc01_recalc(struct clk *clk)
|
|
{
|
|
unsigned long mult = 1;
|
|
|
|
if (__raw_readl(PLLC01CR) & (1 << 14))
|
|
mult = ((__raw_readl(clk->enable_reg) >> 24) & 0x7f) + 1;
|
|
|
|
return clk->parent->rate * mult;
|
|
}
|
|
|
|
static struct sh_clk_ops pllc01_clk_ops = {
|
|
.recalc = pllc01_recalc,
|
|
};
|
|
|
|
static struct clk pllc0_clk = {
|
|
.ops = &pllc01_clk_ops,
|
|
.flags = CLK_ENABLE_ON_INIT,
|
|
.parent = &system_clk,
|
|
.enable_reg = (void __iomem *)FRQCRC,
|
|
};
|
|
|
|
static struct clk pllc1_clk = {
|
|
.ops = &pllc01_clk_ops,
|
|
.flags = CLK_ENABLE_ON_INIT,
|
|
.parent = &system_div2_clk,
|
|
.enable_reg = (void __iomem *)FRQCRA,
|
|
};
|
|
|
|
/* PLLC1 / 2 */
|
|
SH_FIXED_RATIO_CLK(pllc1_div2_clk, pllc1_clk, div2);
|
|
|
|
/* USB clock */
|
|
/*
|
|
* USBCKCR is controlling usb24 clock
|
|
* bit[7] : parent clock
|
|
* bit[6] : clock divide rate
|
|
* And this bit[7] is used as a "usb24s" from other devices.
|
|
* (Video clock / Sub clock / SPU clock)
|
|
* You can controll this clock as a below.
|
|
*
|
|
* struct clk *usb24 = clk_get(dev, "usb24");
|
|
* struct clk *usb24s = clk_get(NULL, "usb24s");
|
|
* struct clk *system = clk_get(NULL, "system_clk");
|
|
* int rate = clk_get_rate(system);
|
|
*
|
|
* clk_set_parent(usb24s, system); // for bit[7]
|
|
* clk_set_rate(usb24, rate / 2); // for bit[6]
|
|
*/
|
|
static struct clk *usb24s_parents[] = {
|
|
[0] = &system_clk,
|
|
[1] = &extal2_clk
|
|
};
|
|
|
|
static int usb24s_enable(struct clk *clk)
|
|
{
|
|
__raw_writel(__raw_readl(USBCKCR) & ~(1 << 8), USBCKCR);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void usb24s_disable(struct clk *clk)
|
|
{
|
|
__raw_writel(__raw_readl(USBCKCR) | (1 << 8), USBCKCR);
|
|
}
|
|
|
|
static int usb24s_set_parent(struct clk *clk, struct clk *parent)
|
|
{
|
|
int i, ret;
|
|
u32 val;
|
|
|
|
if (!clk->parent_table || !clk->parent_num)
|
|
return -EINVAL;
|
|
|
|
/* Search the parent */
|
|
for (i = 0; i < clk->parent_num; i++)
|
|
if (clk->parent_table[i] == parent)
|
|
break;
|
|
|
|
if (i == clk->parent_num)
|
|
return -ENODEV;
|
|
|
|
ret = clk_reparent(clk, parent);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
val = __raw_readl(USBCKCR);
|
|
val &= ~(1 << 7);
|
|
val |= i << 7;
|
|
__raw_writel(val, USBCKCR);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static struct sh_clk_ops usb24s_clk_ops = {
|
|
.recalc = followparent_recalc,
|
|
.enable = usb24s_enable,
|
|
.disable = usb24s_disable,
|
|
.set_parent = usb24s_set_parent,
|
|
};
|
|
|
|
static struct clk usb24s_clk = {
|
|
.ops = &usb24s_clk_ops,
|
|
.parent_table = usb24s_parents,
|
|
.parent_num = ARRAY_SIZE(usb24s_parents),
|
|
.parent = &system_clk,
|
|
};
|
|
|
|
static unsigned long usb24_recalc(struct clk *clk)
|
|
{
|
|
return clk->parent->rate /
|
|
((__raw_readl(USBCKCR) & (1 << 6)) ? 1 : 2);
|
|
};
|
|
|
|
static int usb24_set_rate(struct clk *clk, unsigned long rate)
|
|
{
|
|
u32 val;
|
|
|
|
/* closer to which ? parent->rate or parent->rate/2 */
|
|
val = __raw_readl(USBCKCR);
|
|
val &= ~(1 << 6);
|
|
val |= (rate > (clk->parent->rate / 4) * 3) << 6;
|
|
__raw_writel(val, USBCKCR);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static struct sh_clk_ops usb24_clk_ops = {
|
|
.recalc = usb24_recalc,
|
|
.set_rate = usb24_set_rate,
|
|
};
|
|
|
|
static struct clk usb24_clk = {
|
|
.ops = &usb24_clk_ops,
|
|
.parent = &usb24s_clk,
|
|
};
|
|
|
|
/* External FSIACK/FSIBCK clock */
|
|
static struct clk fsiack_clk = {
|
|
};
|
|
|
|
static struct clk fsibck_clk = {
|
|
};
|
|
|
|
static struct clk *main_clks[] = {
|
|
&extalr_clk,
|
|
&extal1_clk,
|
|
&extal2_clk,
|
|
&extal1_div2_clk,
|
|
&extal1_div1024_clk,
|
|
&extal1_div2048_clk,
|
|
&extal2_div2_clk,
|
|
&dv_clk,
|
|
&system_clk,
|
|
&system_div2_clk,
|
|
&r_clk,
|
|
&pllc0_clk,
|
|
&pllc1_clk,
|
|
&pllc1_div2_clk,
|
|
&usb24s_clk,
|
|
&usb24_clk,
|
|
&fsiack_clk,
|
|
&fsibck_clk,
|
|
};
|
|
|
|
/* DIV4 clocks */
|
|
static void div4_kick(struct clk *clk)
|
|
{
|
|
unsigned long value;
|
|
|
|
/* set KICK bit in FRQCRB to update hardware setting */
|
|
value = __raw_readl(FRQCRB);
|
|
value |= (1 << 31);
|
|
__raw_writel(value, FRQCRB);
|
|
}
|
|
|
|
static int divisors[] = { 2, 3, 4, 6, 8, 12, 16, 18,
|
|
24, 32, 36, 48, 0, 72, 96, 0 };
|
|
|
|
static struct clk_div_mult_table div4_div_mult_table = {
|
|
.divisors = divisors,
|
|
.nr_divisors = ARRAY_SIZE(divisors),
|
|
};
|
|
|
|
static struct clk_div4_table div4_table = {
|
|
.div_mult_table = &div4_div_mult_table,
|
|
.kick = div4_kick,
|
|
};
|
|
|
|
enum {
|
|
DIV4_I, DIV4_ZG, DIV4_B, DIV4_M1, DIV4_HP,
|
|
DIV4_HPP, DIV4_USBP, DIV4_S, DIV4_ZB, DIV4_M3, DIV4_CP,
|
|
DIV4_NR
|
|
};
|
|
|
|
static struct clk div4_clks[DIV4_NR] = {
|
|
[DIV4_I] = SH_CLK_DIV4(&pllc1_clk, FRQCRA, 20, 0x6fff, CLK_ENABLE_ON_INIT),
|
|
[DIV4_ZG] = SH_CLK_DIV4(&pllc1_clk, FRQCRA, 16, 0x6fff, CLK_ENABLE_ON_INIT),
|
|
[DIV4_B] = SH_CLK_DIV4(&pllc1_clk, FRQCRA, 8, 0x6fff, CLK_ENABLE_ON_INIT),
|
|
[DIV4_M1] = SH_CLK_DIV4(&pllc1_clk, FRQCRA, 4, 0x6fff, CLK_ENABLE_ON_INIT),
|
|
[DIV4_HP] = SH_CLK_DIV4(&pllc1_clk, FRQCRB, 4, 0x6fff, 0),
|
|
[DIV4_HPP] = SH_CLK_DIV4(&pllc1_clk, FRQCRC, 20, 0x6fff, 0),
|
|
[DIV4_USBP] = SH_CLK_DIV4(&pllc1_clk, FRQCRC, 16, 0x6fff, 0),
|
|
[DIV4_S] = SH_CLK_DIV4(&pllc1_clk, FRQCRC, 12, 0x6fff, 0),
|
|
[DIV4_ZB] = SH_CLK_DIV4(&pllc1_clk, FRQCRC, 8, 0x6fff, 0),
|
|
[DIV4_M3] = SH_CLK_DIV4(&pllc1_clk, FRQCRC, 4, 0x6fff, 0),
|
|
[DIV4_CP] = SH_CLK_DIV4(&pllc1_clk, FRQCRC, 0, 0x6fff, 0),
|
|
};
|
|
|
|
/* DIV6 reparent */
|
|
enum {
|
|
DIV6_HDMI,
|
|
DIV6_VCLK1, DIV6_VCLK2,
|
|
DIV6_FSIA, DIV6_FSIB,
|
|
DIV6_REPARENT_NR,
|
|
};
|
|
|
|
static struct clk *hdmi_parent[] = {
|
|
[0] = &pllc1_div2_clk,
|
|
[1] = &system_clk,
|
|
[2] = &dv_clk
|
|
};
|
|
|
|
static struct clk *vclk_parents[8] = {
|
|
[0] = &pllc1_div2_clk,
|
|
[2] = &dv_clk,
|
|
[3] = &usb24s_clk,
|
|
[4] = &extal1_div2_clk,
|
|
[5] = &extalr_clk,
|
|
};
|
|
|
|
static struct clk *fsia_parents[] = {
|
|
[0] = &pllc1_div2_clk,
|
|
[1] = &fsiack_clk, /* external clock */
|
|
};
|
|
|
|
static struct clk *fsib_parents[] = {
|
|
[0] = &pllc1_div2_clk,
|
|
[1] = &fsibck_clk, /* external clock */
|
|
};
|
|
|
|
static struct clk div6_reparent_clks[DIV6_REPARENT_NR] = {
|
|
[DIV6_HDMI] = SH_CLK_DIV6_EXT(HDMICKCR, 0,
|
|
hdmi_parent, ARRAY_SIZE(hdmi_parent), 6, 2),
|
|
[DIV6_VCLK1] = SH_CLK_DIV6_EXT(VCLKCR1, 0,
|
|
vclk_parents, ARRAY_SIZE(vclk_parents), 12, 3),
|
|
[DIV6_VCLK2] = SH_CLK_DIV6_EXT(VCLKCR2, 0,
|
|
vclk_parents, ARRAY_SIZE(vclk_parents), 12, 3),
|
|
[DIV6_FSIA] = SH_CLK_DIV6_EXT(FSIACKCR, 0,
|
|
fsia_parents, ARRAY_SIZE(fsia_parents), 6, 2),
|
|
[DIV6_FSIB] = SH_CLK_DIV6_EXT(FSIBCKCR, 0,
|
|
fsib_parents, ARRAY_SIZE(fsib_parents), 6, 2),
|
|
};
|
|
|
|
/* DIV6 clocks */
|
|
enum {
|
|
DIV6_SUB,
|
|
DIV6_NR
|
|
};
|
|
|
|
static struct clk div6_clks[DIV6_NR] = {
|
|
[DIV6_SUB] = SH_CLK_DIV6(&pllc1_div2_clk, SUBCKCR, 0),
|
|
};
|
|
|
|
/* HDMI1/2 clock */
|
|
static unsigned long hdmi12_recalc(struct clk *clk)
|
|
{
|
|
u32 val = __raw_readl(HDMICKCR);
|
|
int shift = (int)clk->priv;
|
|
|
|
val >>= shift;
|
|
val &= 0x3;
|
|
|
|
return clk->parent->rate / (1 << val);
|
|
};
|
|
|
|
static int hdmi12_set_rate(struct clk *clk, unsigned long rate)
|
|
{
|
|
u32 val, mask;
|
|
int i, shift;
|
|
|
|
for (i = 0; i < 3; i++)
|
|
if (rate == clk->parent->rate / (1 << i))
|
|
goto find;
|
|
return -ENODEV;
|
|
|
|
find:
|
|
shift = (int)clk->priv;
|
|
|
|
val = __raw_readl(HDMICKCR);
|
|
mask = ~(0x3 << shift);
|
|
val = (val & mask) | i << shift;
|
|
__raw_writel(val, HDMICKCR);
|
|
|
|
return 0;
|
|
};
|
|
|
|
static struct sh_clk_ops hdmi12_clk_ops = {
|
|
.recalc = hdmi12_recalc,
|
|
.set_rate = hdmi12_set_rate,
|
|
};
|
|
|
|
static struct clk hdmi1_clk = {
|
|
.ops = &hdmi12_clk_ops,
|
|
.priv = (void *)9,
|
|
.parent = &div6_reparent_clks[DIV6_HDMI], /* late install */
|
|
};
|
|
|
|
static struct clk hdmi2_clk = {
|
|
.ops = &hdmi12_clk_ops,
|
|
.priv = (void *)11,
|
|
.parent = &div6_reparent_clks[DIV6_HDMI], /* late install */
|
|
};
|
|
|
|
static struct clk *late_main_clks[] = {
|
|
&hdmi1_clk,
|
|
&hdmi2_clk,
|
|
};
|
|
|
|
/* FSI DIV */
|
|
enum { FSIDIV_A, FSIDIV_B, FSIDIV_REPARENT_NR };
|
|
|
|
static struct clk fsidivs[] = {
|
|
[FSIDIV_A] = SH_CLK_FSIDIV(FSIDIVA, &div6_reparent_clks[DIV6_FSIA]),
|
|
[FSIDIV_B] = SH_CLK_FSIDIV(FSIDIVB, &div6_reparent_clks[DIV6_FSIB]),
|
|
};
|
|
|
|
/* MSTP */
|
|
enum {
|
|
MSTP128, MSTP127, MSTP125,
|
|
MSTP116, MSTP111, MSTP100, MSTP117,
|
|
|
|
MSTP230,
|
|
MSTP222,
|
|
MSTP218, MSTP217, MSTP216, MSTP214,
|
|
MSTP207, MSTP206, MSTP204, MSTP203, MSTP202, MSTP201, MSTP200,
|
|
|
|
MSTP329, MSTP328, MSTP323, MSTP320,
|
|
MSTP314, MSTP313, MSTP312,
|
|
MSTP309, MSTP304,
|
|
|
|
MSTP416, MSTP415, MSTP407, MSTP406,
|
|
|
|
MSTP_NR
|
|
};
|
|
|
|
static struct clk mstp_clks[MSTP_NR] = {
|
|
[MSTP128] = SH_CLK_MSTP32(&div4_clks[DIV4_S], SMSTPCR1, 28, 0), /* CEU21 */
|
|
[MSTP127] = SH_CLK_MSTP32(&div4_clks[DIV4_S], SMSTPCR1, 27, 0), /* CEU20 */
|
|
[MSTP125] = SH_CLK_MSTP32(&div6_clks[DIV6_SUB], SMSTPCR1, 25, 0), /* TMU0 */
|
|
[MSTP117] = SH_CLK_MSTP32(&div4_clks[DIV4_B], SMSTPCR1, 17, 0), /* LCDC1 */
|
|
[MSTP116] = SH_CLK_MSTP32(&div6_clks[DIV6_SUB], SMSTPCR1, 16, 0), /* IIC0 */
|
|
[MSTP111] = SH_CLK_MSTP32(&div6_clks[DIV6_SUB], SMSTPCR1, 11, 0), /* TMU1 */
|
|
[MSTP100] = SH_CLK_MSTP32(&div4_clks[DIV4_B], SMSTPCR1, 0, 0), /* LCDC0 */
|
|
|
|
[MSTP230] = SH_CLK_MSTP32(&div6_clks[DIV6_SUB], SMSTPCR2, 30, 0), /* SCIFA6 */
|
|
[MSTP222] = SH_CLK_MSTP32(&div6_clks[DIV6_SUB], SMSTPCR2, 22, 0), /* SCIFA7 */
|
|
[MSTP218] = SH_CLK_MSTP32(&div4_clks[DIV4_HP], SMSTPCR2, 18, 0), /* DMAC1 */
|
|
[MSTP217] = SH_CLK_MSTP32(&div4_clks[DIV4_HP], SMSTPCR2, 17, 0), /* DMAC2 */
|
|
[MSTP216] = SH_CLK_MSTP32(&div4_clks[DIV4_HP], SMSTPCR2, 16, 0), /* DMAC3 */
|
|
[MSTP214] = SH_CLK_MSTP32(&div4_clks[DIV4_HP], SMSTPCR2, 14, 0), /* USBDMAC */
|
|
[MSTP207] = SH_CLK_MSTP32(&div6_clks[DIV6_SUB], SMSTPCR2, 7, 0), /* SCIFA5 */
|
|
[MSTP206] = SH_CLK_MSTP32(&div6_clks[DIV6_SUB], SMSTPCR2, 6, 0), /* SCIFB */
|
|
[MSTP204] = SH_CLK_MSTP32(&div6_clks[DIV6_SUB], SMSTPCR2, 4, 0), /* SCIFA0 */
|
|
[MSTP203] = SH_CLK_MSTP32(&div6_clks[DIV6_SUB], SMSTPCR2, 3, 0), /* SCIFA1 */
|
|
[MSTP202] = SH_CLK_MSTP32(&div6_clks[DIV6_SUB], SMSTPCR2, 2, 0), /* SCIFA2 */
|
|
[MSTP201] = SH_CLK_MSTP32(&div6_clks[DIV6_SUB], SMSTPCR2, 1, 0), /* SCIFA3 */
|
|
[MSTP200] = SH_CLK_MSTP32(&div6_clks[DIV6_SUB], SMSTPCR2, 0, 0), /* SCIFA4 */
|
|
|
|
[MSTP329] = SH_CLK_MSTP32(&r_clk, SMSTPCR3, 29, 0), /* CMT10 */
|
|
[MSTP328] = SH_CLK_MSTP32(&div4_clks[DIV4_HP], SMSTPCR3, 28, 0), /* FSI */
|
|
[MSTP323] = SH_CLK_MSTP32(&div6_clks[DIV6_SUB], SMSTPCR3, 23, 0), /* IIC1 */
|
|
[MSTP320] = SH_CLK_MSTP32(&div4_clks[DIV4_HP], SMSTPCR3, 20, 0), /* USBF */
|
|
[MSTP314] = SH_CLK_MSTP32(&div4_clks[DIV4_HP], SMSTPCR3, 14, 0), /* SDHI0 */
|
|
[MSTP313] = SH_CLK_MSTP32(&div4_clks[DIV4_HP], SMSTPCR3, 13, 0), /* SDHI1 */
|
|
[MSTP312] = SH_CLK_MSTP32(&div4_clks[DIV4_HP], SMSTPCR3, 12, 0), /* MMC */
|
|
[MSTP309] = SH_CLK_MSTP32(&div4_clks[DIV4_HP], SMSTPCR3, 9, 0), /* GEther */
|
|
[MSTP304] = SH_CLK_MSTP32(&div4_clks[DIV4_CP], SMSTPCR3, 4, 0), /* TPU0 */
|
|
|
|
[MSTP416] = SH_CLK_MSTP32(&div4_clks[DIV4_HP], SMSTPCR4, 16, 0), /* USBHOST */
|
|
[MSTP415] = SH_CLK_MSTP32(&div4_clks[DIV4_HP], SMSTPCR4, 15, 0), /* SDHI2 */
|
|
[MSTP407] = SH_CLK_MSTP32(&div4_clks[DIV4_HP], SMSTPCR4, 7, 0), /* USB-Func */
|
|
[MSTP406] = SH_CLK_MSTP32(&div4_clks[DIV4_HP], SMSTPCR4, 6, 0), /* USB Phy */
|
|
};
|
|
|
|
static struct clk_lookup lookups[] = {
|
|
/* main clocks */
|
|
CLKDEV_CON_ID("extalr", &extalr_clk),
|
|
CLKDEV_CON_ID("extal1", &extal1_clk),
|
|
CLKDEV_CON_ID("extal2", &extal2_clk),
|
|
CLKDEV_CON_ID("extal1_div2", &extal1_div2_clk),
|
|
CLKDEV_CON_ID("extal1_div1024", &extal1_div1024_clk),
|
|
CLKDEV_CON_ID("extal1_div2048", &extal1_div2048_clk),
|
|
CLKDEV_CON_ID("extal2_div2", &extal2_div2_clk),
|
|
CLKDEV_CON_ID("dv_clk", &dv_clk),
|
|
CLKDEV_CON_ID("system_clk", &system_clk),
|
|
CLKDEV_CON_ID("system_div2_clk", &system_div2_clk),
|
|
CLKDEV_CON_ID("r_clk", &r_clk),
|
|
CLKDEV_CON_ID("pllc0_clk", &pllc0_clk),
|
|
CLKDEV_CON_ID("pllc1_clk", &pllc1_clk),
|
|
CLKDEV_CON_ID("pllc1_div2_clk", &pllc1_div2_clk),
|
|
CLKDEV_CON_ID("usb24s", &usb24s_clk),
|
|
CLKDEV_CON_ID("hdmi1", &hdmi1_clk),
|
|
CLKDEV_CON_ID("hdmi2", &hdmi2_clk),
|
|
CLKDEV_CON_ID("video1", &div6_reparent_clks[DIV6_VCLK1]),
|
|
CLKDEV_CON_ID("video2", &div6_reparent_clks[DIV6_VCLK2]),
|
|
CLKDEV_CON_ID("fsiack", &fsiack_clk),
|
|
CLKDEV_CON_ID("fsibck", &fsibck_clk),
|
|
|
|
/* DIV4 clocks */
|
|
CLKDEV_CON_ID("i_clk", &div4_clks[DIV4_I]),
|
|
CLKDEV_CON_ID("zg_clk", &div4_clks[DIV4_ZG]),
|
|
CLKDEV_CON_ID("b_clk", &div4_clks[DIV4_B]),
|
|
CLKDEV_CON_ID("m1_clk", &div4_clks[DIV4_M1]),
|
|
CLKDEV_CON_ID("hp_clk", &div4_clks[DIV4_HP]),
|
|
CLKDEV_CON_ID("hpp_clk", &div4_clks[DIV4_HPP]),
|
|
CLKDEV_CON_ID("s_clk", &div4_clks[DIV4_S]),
|
|
CLKDEV_CON_ID("zb_clk", &div4_clks[DIV4_ZB]),
|
|
CLKDEV_CON_ID("m3_clk", &div4_clks[DIV4_M3]),
|
|
CLKDEV_CON_ID("cp_clk", &div4_clks[DIV4_CP]),
|
|
|
|
/* DIV6 clocks */
|
|
CLKDEV_CON_ID("sub_clk", &div6_clks[DIV6_SUB]),
|
|
|
|
/* MSTP32 clocks */
|
|
CLKDEV_DEV_ID("sh_mobile_lcdc_fb.0", &mstp_clks[MSTP100]),
|
|
CLKDEV_DEV_ID("i2c-sh_mobile.0", &mstp_clks[MSTP116]),
|
|
CLKDEV_DEV_ID("fff20000.i2c", &mstp_clks[MSTP116]),
|
|
CLKDEV_DEV_ID("sh_mobile_lcdc_fb.1", &mstp_clks[MSTP117]),
|
|
CLKDEV_DEV_ID("sh_mobile_ceu.0", &mstp_clks[MSTP127]),
|
|
CLKDEV_DEV_ID("sh_mobile_ceu.1", &mstp_clks[MSTP128]),
|
|
|
|
CLKDEV_DEV_ID("sh-sci.4", &mstp_clks[MSTP200]),
|
|
CLKDEV_DEV_ID("e6c80000.serial", &mstp_clks[MSTP200]),
|
|
CLKDEV_DEV_ID("sh-sci.3", &mstp_clks[MSTP201]),
|
|
CLKDEV_DEV_ID("e6c70000.serial", &mstp_clks[MSTP201]),
|
|
CLKDEV_DEV_ID("sh-sci.2", &mstp_clks[MSTP202]),
|
|
CLKDEV_DEV_ID("e6c60000.serial", &mstp_clks[MSTP202]),
|
|
CLKDEV_DEV_ID("sh-sci.1", &mstp_clks[MSTP203]),
|
|
CLKDEV_DEV_ID("e6c50000.serial", &mstp_clks[MSTP203]),
|
|
CLKDEV_DEV_ID("sh-sci.0", &mstp_clks[MSTP204]),
|
|
CLKDEV_DEV_ID("e6c40000.serial", &mstp_clks[MSTP204]),
|
|
CLKDEV_DEV_ID("sh-sci.8", &mstp_clks[MSTP206]),
|
|
CLKDEV_DEV_ID("e6c30000.serial", &mstp_clks[MSTP206]),
|
|
CLKDEV_DEV_ID("sh-sci.5", &mstp_clks[MSTP207]),
|
|
CLKDEV_DEV_ID("e6cb0000.serial", &mstp_clks[MSTP207]),
|
|
CLKDEV_DEV_ID("sh-dma-engine.3", &mstp_clks[MSTP214]),
|
|
CLKDEV_DEV_ID("sh-dma-engine.2", &mstp_clks[MSTP216]),
|
|
CLKDEV_DEV_ID("sh-dma-engine.1", &mstp_clks[MSTP217]),
|
|
CLKDEV_DEV_ID("sh-dma-engine.0", &mstp_clks[MSTP218]),
|
|
CLKDEV_DEV_ID("sh-sci.7", &mstp_clks[MSTP222]),
|
|
CLKDEV_DEV_ID("e6cd0000.serial", &mstp_clks[MSTP222]),
|
|
CLKDEV_DEV_ID("sh-sci.6", &mstp_clks[MSTP230]),
|
|
CLKDEV_DEV_ID("e6cc0000.serial", &mstp_clks[MSTP230]),
|
|
|
|
CLKDEV_DEV_ID("sh_fsi2", &mstp_clks[MSTP328]),
|
|
CLKDEV_DEV_ID("fe1f0000.sound", &mstp_clks[MSTP328]),
|
|
CLKDEV_DEV_ID("i2c-sh_mobile.1", &mstp_clks[MSTP323]),
|
|
CLKDEV_DEV_ID("e6c20000.i2c", &mstp_clks[MSTP323]),
|
|
CLKDEV_DEV_ID("renesas_usbhs", &mstp_clks[MSTP320]),
|
|
CLKDEV_DEV_ID("sh_mobile_sdhi.0", &mstp_clks[MSTP314]),
|
|
CLKDEV_DEV_ID("e6850000.sd", &mstp_clks[MSTP314]),
|
|
CLKDEV_DEV_ID("sh_mobile_sdhi.1", &mstp_clks[MSTP313]),
|
|
CLKDEV_DEV_ID("e6860000.sd", &mstp_clks[MSTP313]),
|
|
CLKDEV_DEV_ID("sh_mmcif", &mstp_clks[MSTP312]),
|
|
CLKDEV_DEV_ID("e6bd0000.mmc", &mstp_clks[MSTP312]),
|
|
CLKDEV_DEV_ID("r8a7740-gether", &mstp_clks[MSTP309]),
|
|
CLKDEV_DEV_ID("e9a00000.ethernet", &mstp_clks[MSTP309]),
|
|
CLKDEV_DEV_ID("renesas-tpu-pwm", &mstp_clks[MSTP304]),
|
|
CLKDEV_DEV_ID("e6600000.pwm", &mstp_clks[MSTP304]),
|
|
|
|
CLKDEV_DEV_ID("sh_mobile_sdhi.2", &mstp_clks[MSTP415]),
|
|
CLKDEV_DEV_ID("e6870000.sd", &mstp_clks[MSTP415]),
|
|
|
|
/* ICK */
|
|
CLKDEV_ICK_ID("fck", "sh-tmu.1", &mstp_clks[MSTP111]),
|
|
CLKDEV_ICK_ID("fck", "fff90000.timer", &mstp_clks[MSTP111]),
|
|
CLKDEV_ICK_ID("fck", "sh-tmu.0", &mstp_clks[MSTP125]),
|
|
CLKDEV_ICK_ID("fck", "fff80000.timer", &mstp_clks[MSTP125]),
|
|
CLKDEV_ICK_ID("fck", "sh-cmt-48.1", &mstp_clks[MSTP329]),
|
|
CLKDEV_ICK_ID("fck", "e6138000.timer", &mstp_clks[MSTP329]),
|
|
CLKDEV_ICK_ID("host", "renesas_usbhs", &mstp_clks[MSTP416]),
|
|
CLKDEV_ICK_ID("func", "renesas_usbhs", &mstp_clks[MSTP407]),
|
|
CLKDEV_ICK_ID("phy", "renesas_usbhs", &mstp_clks[MSTP406]),
|
|
CLKDEV_ICK_ID("pci", "renesas_usbhs", &div4_clks[DIV4_USBP]),
|
|
CLKDEV_ICK_ID("usb24", "renesas_usbhs", &usb24_clk),
|
|
CLKDEV_ICK_ID("ick", "sh-mobile-hdmi", &div6_reparent_clks[DIV6_HDMI]),
|
|
|
|
CLKDEV_ICK_ID("icka", "sh_fsi2", &div6_reparent_clks[DIV6_FSIA]),
|
|
CLKDEV_ICK_ID("ickb", "sh_fsi2", &div6_reparent_clks[DIV6_FSIB]),
|
|
CLKDEV_ICK_ID("diva", "sh_fsi2", &fsidivs[FSIDIV_A]),
|
|
CLKDEV_ICK_ID("divb", "sh_fsi2", &fsidivs[FSIDIV_B]),
|
|
CLKDEV_ICK_ID("xcka", "sh_fsi2", &fsiack_clk),
|
|
CLKDEV_ICK_ID("xckb", "sh_fsi2", &fsibck_clk),
|
|
};
|
|
|
|
void __init r8a7740_clock_init(u8 md_ck)
|
|
{
|
|
int k, ret = 0;
|
|
|
|
/* detect system clock parent */
|
|
if (md_ck & MD_CK1)
|
|
system_clk.parent = &extal1_div2_clk;
|
|
else
|
|
system_clk.parent = &extal1_clk;
|
|
|
|
/* detect RCLK parent */
|
|
switch (md_ck & (MD_CK2 | MD_CK1)) {
|
|
case MD_CK2 | MD_CK1:
|
|
r_clk.parent = &extal1_div2048_clk;
|
|
break;
|
|
case MD_CK2:
|
|
r_clk.parent = &extal1_div1024_clk;
|
|
break;
|
|
case MD_CK1:
|
|
default:
|
|
r_clk.parent = &extalr_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_register(div6_clks, DIV6_NR);
|
|
|
|
if (!ret)
|
|
ret = sh_clk_div6_reparent_register(div6_reparent_clks,
|
|
DIV6_REPARENT_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]);
|
|
|
|
if (!ret)
|
|
ret = sh_clk_fsidiv_register(fsidivs, FSIDIV_REPARENT_NR);
|
|
|
|
clkdev_add_table(lookups, ARRAY_SIZE(lookups));
|
|
|
|
if (!ret)
|
|
shmobile_clk_init();
|
|
else
|
|
panic("failed to setup r8a7740 clocks\n");
|
|
}
|