summaryrefslogtreecommitdiff
path: root/arch/arm/mach-shmobile/clock-sh7367.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-shmobile/clock-sh7367.c')
-rw-r--r--arch/arm/mach-shmobile/clock-sh7367.c355
1 files changed, 0 insertions, 355 deletions
diff --git a/arch/arm/mach-shmobile/clock-sh7367.c b/arch/arm/mach-shmobile/clock-sh7367.c
deleted file mode 100644
index ef0a95e592c4..000000000000
--- a/arch/arm/mach-shmobile/clock-sh7367.c
+++ /dev/null
@@ -1,355 +0,0 @@
-/*
- * SH7367 clock framework support
- *
- * Copyright (C) 2010 Magnus Damm
- *
- * 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; 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.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- */
-#include <linux/init.h>
-#include <linux/kernel.h>
-#include <linux/io.h>
-#include <linux/sh_clk.h>
-#include <linux/clkdev.h>
-#include <mach/common.h>
-
-/* SH7367 registers */
-#define RTFRQCR IOMEM(0xe6150000)
-#define SYFRQCR IOMEM(0xe6150004)
-#define CMFRQCR IOMEM(0xe61500E0)
-#define VCLKCR1 IOMEM(0xe6150008)
-#define VCLKCR2 IOMEM(0xe615000C)
-#define VCLKCR3 IOMEM(0xe615001C)
-#define SCLKACR IOMEM(0xe6150010)
-#define SCLKBCR IOMEM(0xe6150014)
-#define SUBUSBCKCR IOMEM(0xe6158080)
-#define SPUCKCR IOMEM(0xe6150084)
-#define MSUCKCR IOMEM(0xe6150088)
-#define MVI3CKCR IOMEM(0xe6150090)
-#define VOUCKCR IOMEM(0xe6150094)
-#define MFCK1CR IOMEM(0xe6150098)
-#define MFCK2CR IOMEM(0xe615009C)
-#define PLLC1CR IOMEM(0xe6150028)
-#define PLLC2CR IOMEM(0xe615002C)
-#define RTMSTPCR0 IOMEM(0xe6158030)
-#define RTMSTPCR2 IOMEM(0xe6158038)
-#define SYMSTPCR0 IOMEM(0xe6158040)
-#define SYMSTPCR2 IOMEM(0xe6158048)
-#define CMMSTPCR0 IOMEM(0xe615804c)
-
-/* Fixed 32 KHz root clock from EXTALR pin */
-static struct clk r_clk = {
- .rate = 32768,
-};
-
-/*
- * 26MHz default rate for the EXTALB1 root input clock.
- * If needed, reset this with clk_set_rate() from the platform code.
- */
-struct clk sh7367_extalb1_clk = {
- .rate = 26666666,
-};
-
-/*
- * 48MHz default rate for the EXTAL2 root input clock.
- * If needed, reset this with clk_set_rate() from the platform code.
- */
-struct clk sh7367_extal2_clk = {
- .rate = 48000000,
-};
-
-/* A fixed divide-by-2 block */
-static unsigned long div2_recalc(struct clk *clk)
-{
- return clk->parent->rate / 2;
-}
-
-static struct sh_clk_ops div2_clk_ops = {
- .recalc = div2_recalc,
-};
-
-/* Divide extalb1 by two */
-static struct clk extalb1_div2_clk = {
- .ops = &div2_clk_ops,
- .parent = &sh7367_extalb1_clk,
-};
-
-/* Divide extal2 by two */
-static struct clk extal2_div2_clk = {
- .ops = &div2_clk_ops,
- .parent = &sh7367_extal2_clk,
-};
-
-/* PLLC1 */
-static unsigned long pllc1_recalc(struct clk *clk)
-{
- unsigned long mult = 1;
-
- if (__raw_readl(PLLC1CR) & (1 << 14))
- mult = (((__raw_readl(RTFRQCR) >> 24) & 0x3f) + 1) * 2;
-
- return clk->parent->rate * mult;
-}
-
-static struct sh_clk_ops pllc1_clk_ops = {
- .recalc = pllc1_recalc,
-};
-
-static struct clk pllc1_clk = {
- .ops = &pllc1_clk_ops,
- .flags = CLK_ENABLE_ON_INIT,
- .parent = &extalb1_div2_clk,
-};
-
-/* Divide PLLC1 by two */
-static struct clk pllc1_div2_clk = {
- .ops = &div2_clk_ops,
- .parent = &pllc1_clk,
-};
-
-/* PLLC2 */
-static unsigned long pllc2_recalc(struct clk *clk)
-{
- unsigned long mult = 1;
-
- if (__raw_readl(PLLC2CR) & (1 << 31))
- mult = (((__raw_readl(PLLC2CR) >> 24) & 0x3f) + 1) * 2;
-
- return clk->parent->rate * mult;
-}
-
-static struct sh_clk_ops pllc2_clk_ops = {
- .recalc = pllc2_recalc,
-};
-
-static struct clk pllc2_clk = {
- .ops = &pllc2_clk_ops,
- .flags = CLK_ENABLE_ON_INIT,
- .parent = &extalb1_div2_clk,
-};
-
-static struct clk *main_clks[] = {
- &r_clk,
- &sh7367_extalb1_clk,
- &sh7367_extal2_clk,
- &extalb1_div2_clk,
- &extal2_div2_clk,
- &pllc1_clk,
- &pllc1_div2_clk,
- &pllc2_clk,
-};
-
-static void div4_kick(struct clk *clk)
-{
- unsigned long value;
-
- /* set KICK bit in SYFRQCR to update hardware setting */
- value = __raw_readl(SYFRQCR);
- value |= (1 << 31);
- __raw_writel(value, SYFRQCR);
-}
-
-static int divisors[] = { 2, 3, 4, 6, 8, 12, 16, 18,
- 24, 32, 36, 48, 0, 72, 0, 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_G, DIV4_S, DIV4_B,
- DIV4_ZX, DIV4_ZT, DIV4_Z, DIV4_ZD, DIV4_HP,
- DIV4_ZS, DIV4_ZB, DIV4_ZB3, DIV4_CP, DIV4_NR };
-
-#define DIV4(_reg, _bit, _mask, _flags) \
- SH_CLK_DIV4(&pllc1_clk, _reg, _bit, _mask, _flags)
-
-static struct clk div4_clks[DIV4_NR] = {
- [DIV4_I] = DIV4(RTFRQCR, 20, 0x6fff, CLK_ENABLE_ON_INIT),
- [DIV4_G] = DIV4(RTFRQCR, 16, 0x6fff, CLK_ENABLE_ON_INIT),
- [DIV4_S] = DIV4(RTFRQCR, 12, 0x6fff, CLK_ENABLE_ON_INIT),
- [DIV4_B] = DIV4(RTFRQCR, 8, 0x6fff, CLK_ENABLE_ON_INIT),
- [DIV4_ZX] = DIV4(SYFRQCR, 20, 0x6fff, 0),
- [DIV4_ZT] = DIV4(SYFRQCR, 16, 0x6fff, 0),
- [DIV4_Z] = DIV4(SYFRQCR, 12, 0x6fff, 0),
- [DIV4_ZD] = DIV4(SYFRQCR, 8, 0x6fff, 0),
- [DIV4_HP] = DIV4(SYFRQCR, 4, 0x6fff, 0),
- [DIV4_ZS] = DIV4(CMFRQCR, 12, 0x6fff, 0),
- [DIV4_ZB] = DIV4(CMFRQCR, 8, 0x6fff, 0),
- [DIV4_ZB3] = DIV4(CMFRQCR, 4, 0x6fff, 0),
- [DIV4_CP] = DIV4(CMFRQCR, 0, 0x6fff, 0),
-};
-
-enum { DIV6_SUB, DIV6_SIUA, DIV6_SIUB, DIV6_MSU, DIV6_SPU,
- DIV6_MVI3, DIV6_MF1, DIV6_MF2,
- DIV6_VCK1, DIV6_VCK2, DIV6_VCK3, DIV6_VOU,
- DIV6_NR };
-
-static struct clk div6_clks[DIV6_NR] = {
- [DIV6_SUB] = SH_CLK_DIV6(&sh7367_extal2_clk, SUBUSBCKCR, 0),
- [DIV6_SIUA] = SH_CLK_DIV6(&pllc1_div2_clk, SCLKACR, 0),
- [DIV6_SIUB] = SH_CLK_DIV6(&pllc1_div2_clk, SCLKBCR, 0),
- [DIV6_MSU] = SH_CLK_DIV6(&pllc1_div2_clk, MSUCKCR, 0),
- [DIV6_SPU] = SH_CLK_DIV6(&pllc1_div2_clk, SPUCKCR, 0),
- [DIV6_MVI3] = SH_CLK_DIV6(&pllc1_div2_clk, MVI3CKCR, 0),
- [DIV6_MF1] = SH_CLK_DIV6(&pllc1_div2_clk, MFCK1CR, 0),
- [DIV6_MF2] = SH_CLK_DIV6(&pllc1_div2_clk, MFCK2CR, 0),
- [DIV6_VCK1] = SH_CLK_DIV6(&pllc1_div2_clk, VCLKCR1, 0),
- [DIV6_VCK2] = SH_CLK_DIV6(&pllc1_div2_clk, VCLKCR2, 0),
- [DIV6_VCK3] = SH_CLK_DIV6(&pllc1_div2_clk, VCLKCR3, 0),
- [DIV6_VOU] = SH_CLK_DIV6(&pllc1_div2_clk, VOUCKCR, 0),
-};
-
-enum { RTMSTP001,
- RTMSTP231, RTMSTP230, RTMSTP229, RTMSTP228, RTMSTP226,
- RTMSTP216, RTMSTP206, RTMSTP205, RTMSTP201,
- SYMSTP023, SYMSTP007, SYMSTP006, SYMSTP004,
- SYMSTP003, SYMSTP002, SYMSTP001, SYMSTP000,
- SYMSTP231, SYMSTP229, SYMSTP225, SYMSTP223, SYMSTP222,
- SYMSTP215, SYMSTP214, SYMSTP213, SYMSTP211,
- CMMSTP003,
- MSTP_NR };
-
-#define MSTP(_parent, _reg, _bit, _flags) \
- SH_CLK_MSTP32(_parent, _reg, _bit, _flags)
-
-static struct clk mstp_clks[MSTP_NR] = {
- [RTMSTP001] = MSTP(&div6_clks[DIV6_SUB], RTMSTPCR0, 1, 0), /* IIC2 */
- [RTMSTP231] = MSTP(&div4_clks[DIV4_B], RTMSTPCR2, 31, 0), /* VEU3 */
- [RTMSTP230] = MSTP(&div4_clks[DIV4_B], RTMSTPCR2, 30, 0), /* VEU2 */
- [RTMSTP229] = MSTP(&div4_clks[DIV4_B], RTMSTPCR2, 29, 0), /* VEU1 */
- [RTMSTP228] = MSTP(&div4_clks[DIV4_B], RTMSTPCR2, 28, 0), /* VEU0 */
- [RTMSTP226] = MSTP(&div4_clks[DIV4_B], RTMSTPCR2, 26, 0), /* VEU2H */
- [RTMSTP216] = MSTP(&div6_clks[DIV6_SUB], RTMSTPCR2, 16, 0), /* IIC0 */
- [RTMSTP206] = MSTP(&div4_clks[DIV4_B], RTMSTPCR2, 6, 0), /* JPU */
- [RTMSTP205] = MSTP(&div6_clks[DIV6_VOU], RTMSTPCR2, 5, 0), /* VOU */
- [RTMSTP201] = MSTP(&div4_clks[DIV4_B], RTMSTPCR2, 1, 0), /* VPU */
- [SYMSTP023] = MSTP(&div6_clks[DIV6_SPU], SYMSTPCR0, 23, 0), /* SPU1 */
- [SYMSTP007] = MSTP(&div6_clks[DIV6_SUB], SYMSTPCR0, 7, 0), /* SCIFA5 */
- [SYMSTP006] = MSTP(&div6_clks[DIV6_SUB], SYMSTPCR0, 6, 0), /* SCIFB */
- [SYMSTP004] = MSTP(&div6_clks[DIV6_SUB], SYMSTPCR0, 4, 0), /* SCIFA0 */
- [SYMSTP003] = MSTP(&div6_clks[DIV6_SUB], SYMSTPCR0, 3, 0), /* SCIFA1 */
- [SYMSTP002] = MSTP(&div6_clks[DIV6_SUB], SYMSTPCR0, 2, 0), /* SCIFA2 */
- [SYMSTP001] = MSTP(&div6_clks[DIV6_SUB], SYMSTPCR0, 1, 0), /* SCIFA3 */
- [SYMSTP000] = MSTP(&div6_clks[DIV6_SUB], SYMSTPCR0, 0, 0), /* SCIFA4 */
- [SYMSTP231] = MSTP(&div6_clks[DIV6_SUB], SYMSTPCR2, 31, 0), /* SIU */
- [SYMSTP229] = MSTP(&r_clk, SYMSTPCR2, 29, 0), /* CMT10 */
- [SYMSTP225] = MSTP(&div6_clks[DIV6_SUB], SYMSTPCR2, 25, 0), /* IRDA */
- [SYMSTP223] = MSTP(&div6_clks[DIV6_SUB], SYMSTPCR2, 23, 0), /* IIC1 */
- [SYMSTP222] = MSTP(&div6_clks[DIV6_SUB], SYMSTPCR2, 22, 0), /* USBHS */
- [SYMSTP215] = MSTP(&div4_clks[DIV4_HP], SYMSTPCR2, 15, 0), /* FLCTL */
- [SYMSTP214] = MSTP(&div4_clks[DIV4_HP], SYMSTPCR2, 14, 0), /* SDHI0 */
- [SYMSTP213] = MSTP(&div4_clks[DIV4_HP], SYMSTPCR2, 13, 0), /* SDHI1 */
- [SYMSTP211] = MSTP(&div4_clks[DIV4_HP], SYMSTPCR2, 11, 0), /* SDHI2 */
- [CMMSTP003] = MSTP(&r_clk, CMMSTPCR0, 3, 0), /* KEYSC */
-};
-
-static struct clk_lookup lookups[] = {
- /* main clocks */
- CLKDEV_CON_ID("r_clk", &r_clk),
- CLKDEV_CON_ID("extalb1", &sh7367_extalb1_clk),
- CLKDEV_CON_ID("extal2", &sh7367_extal2_clk),
- CLKDEV_CON_ID("extalb1_div2_clk", &extalb1_div2_clk),
- CLKDEV_CON_ID("extal2_div2_clk", &extal2_div2_clk),
- CLKDEV_CON_ID("pllc1_clk", &pllc1_clk),
- CLKDEV_CON_ID("pllc1_div2_clk", &pllc1_div2_clk),
- CLKDEV_CON_ID("pllc2_clk", &pllc2_clk),
-
- /* DIV4 clocks */
- CLKDEV_CON_ID("i_clk", &div4_clks[DIV4_I]),
- CLKDEV_CON_ID("g_clk", &div4_clks[DIV4_G]),
- CLKDEV_CON_ID("b_clk", &div4_clks[DIV4_B]),
- CLKDEV_CON_ID("zx_clk", &div4_clks[DIV4_ZX]),
- CLKDEV_CON_ID("zt_clk", &div4_clks[DIV4_ZT]),
- CLKDEV_CON_ID("z_clk", &div4_clks[DIV4_Z]),
- CLKDEV_CON_ID("zd_clk", &div4_clks[DIV4_ZD]),
- CLKDEV_CON_ID("hp_clk", &div4_clks[DIV4_HP]),
- CLKDEV_CON_ID("zs_clk", &div4_clks[DIV4_ZS]),
- CLKDEV_CON_ID("zb_clk", &div4_clks[DIV4_ZB]),
- CLKDEV_CON_ID("zb3_clk", &div4_clks[DIV4_ZB3]),
- CLKDEV_CON_ID("cp_clk", &div4_clks[DIV4_CP]),
-
- /* DIV6 clocks */
- CLKDEV_CON_ID("sub_clk", &div6_clks[DIV6_SUB]),
- CLKDEV_CON_ID("siua_clk", &div6_clks[DIV6_SIUA]),
- CLKDEV_CON_ID("siub_clk", &div6_clks[DIV6_SIUB]),
- CLKDEV_CON_ID("msu_clk", &div6_clks[DIV6_MSU]),
- CLKDEV_CON_ID("spu_clk", &div6_clks[DIV6_SPU]),
- CLKDEV_CON_ID("mvi3_clk", &div6_clks[DIV6_MVI3]),
- CLKDEV_CON_ID("mf1_clk", &div6_clks[DIV6_MF1]),
- CLKDEV_CON_ID("mf2_clk", &div6_clks[DIV6_MF2]),
- 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("vou_clk", &div6_clks[DIV6_VOU]),
-
- /* MSTP32 clocks */
- CLKDEV_DEV_ID("i2c-sh_mobile.2", &mstp_clks[RTMSTP001]), /* IIC2 */
- CLKDEV_DEV_ID("uio_pdrv_genirq.4", &mstp_clks[RTMSTP231]), /* VEU3 */
- CLKDEV_DEV_ID("uio_pdrv_genirq.3", &mstp_clks[RTMSTP230]), /* VEU2 */
- CLKDEV_DEV_ID("uio_pdrv_genirq.2", &mstp_clks[RTMSTP229]), /* VEU1 */
- CLKDEV_DEV_ID("uio_pdrv_genirq.1", &mstp_clks[RTMSTP228]), /* VEU0 */
- CLKDEV_DEV_ID("uio_pdrv_genirq.5", &mstp_clks[RTMSTP226]), /* VEU2H */
- CLKDEV_DEV_ID("i2c-sh_mobile.0", &mstp_clks[RTMSTP216]), /* IIC0 */
- CLKDEV_DEV_ID("uio_pdrv_genirq.6", &mstp_clks[RTMSTP206]), /* JPU */
- CLKDEV_DEV_ID("sh-vou", &mstp_clks[RTMSTP205]), /* VOU */
- CLKDEV_DEV_ID("uio_pdrv_genirq.0", &mstp_clks[RTMSTP201]), /* VPU */
- CLKDEV_DEV_ID("uio_pdrv_genirq.7", &mstp_clks[SYMSTP023]), /* SPU1 */
- CLKDEV_DEV_ID("sh-sci.5", &mstp_clks[SYMSTP007]), /* SCIFA5 */
- CLKDEV_DEV_ID("sh-sci.6", &mstp_clks[SYMSTP006]), /* SCIFB */
- CLKDEV_DEV_ID("sh-sci.0", &mstp_clks[SYMSTP004]), /* SCIFA0 */
- CLKDEV_DEV_ID("sh-sci.1", &mstp_clks[SYMSTP003]), /* SCIFA1 */
- CLKDEV_DEV_ID("sh-sci.2", &mstp_clks[SYMSTP002]), /* SCIFA2 */
- CLKDEV_DEV_ID("sh-sci.3", &mstp_clks[SYMSTP001]), /* SCIFA3 */
- CLKDEV_DEV_ID("sh-sci.4", &mstp_clks[SYMSTP000]), /* SCIFA4 */
- CLKDEV_DEV_ID("sh_siu", &mstp_clks[SYMSTP231]), /* SIU */
- CLKDEV_DEV_ID("sh_cmt.10", &mstp_clks[SYMSTP229]), /* CMT10 */
- CLKDEV_DEV_ID("sh_irda", &mstp_clks[SYMSTP225]), /* IRDA */
- CLKDEV_DEV_ID("i2c-sh_mobile.1", &mstp_clks[SYMSTP223]), /* IIC1 */
- CLKDEV_DEV_ID("r8a66597_hcd.0", &mstp_clks[SYMSTP222]), /* USBHS */
- CLKDEV_DEV_ID("r8a66597_udc.0", &mstp_clks[SYMSTP222]), /* USBHS */
- CLKDEV_DEV_ID("sh_flctl", &mstp_clks[SYMSTP215]), /* FLCTL */
- CLKDEV_DEV_ID("sh_mobile_sdhi.0", &mstp_clks[SYMSTP214]), /* SDHI0 */
- CLKDEV_DEV_ID("sh_mobile_sdhi.1", &mstp_clks[SYMSTP213]), /* SDHI1 */
- CLKDEV_DEV_ID("sh_mobile_sdhi.2", &mstp_clks[SYMSTP211]), /* SDHI2 */
- CLKDEV_DEV_ID("sh_keysc.0", &mstp_clks[CMMSTP003]), /* KEYSC */
-};
-
-void __init sh7367_clock_init(void)
-{
- int k, ret = 0;
-
- 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_mstp_register(mstp_clks, MSTP_NR);
-
- clkdev_add_table(lookups, ARRAY_SIZE(lookups));
-
- if (!ret)
- shmobile_clk_init();
- else
- panic("failed to setup sh7367 clocks\n");
-}