| /* |
| * Copyright (C) 2009 ST-Ericsson |
| * Copyright (C) 2009 STMicroelectronics |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 as |
| * published by the Free Software Foundation. |
| */ |
| #include <linux/module.h> |
| #include <linux/kernel.h> |
| #include <linux/list.h> |
| #include <linux/errno.h> |
| #include <linux/err.h> |
| #include <linux/clk.h> |
| #include <linux/io.h> |
| |
| #include <asm/clkdev.h> |
| |
| #include <plat/mtu.h> |
| #include <mach/hardware.h> |
| #include "clock.h" |
| |
| #define PRCC_PCKEN 0x00 |
| #define PRCC_PCKDIS 0x04 |
| #define PRCC_KCKEN 0x08 |
| #define PRCC_KCKDIS 0x0C |
| |
| #define PRCM_YYCLKEN0_MGT_SET 0x510 |
| #define PRCM_YYCLKEN1_MGT_SET 0x514 |
| #define PRCM_YYCLKEN0_MGT_CLR 0x518 |
| #define PRCM_YYCLKEN1_MGT_CLR 0x51C |
| #define PRCM_YYCLKEN0_MGT_VAL 0x520 |
| #define PRCM_YYCLKEN1_MGT_VAL 0x524 |
| |
| #define PRCM_SVAMMDSPCLK_MGT 0x008 |
| #define PRCM_SIAMMDSPCLK_MGT 0x00C |
| #define PRCM_SGACLK_MGT 0x014 |
| #define PRCM_UARTCLK_MGT 0x018 |
| #define PRCM_MSP02CLK_MGT 0x01C |
| #define PRCM_MSP1CLK_MGT 0x288 |
| #define PRCM_I2CCLK_MGT 0x020 |
| #define PRCM_SDMMCCLK_MGT 0x024 |
| #define PRCM_SLIMCLK_MGT 0x028 |
| #define PRCM_PER1CLK_MGT 0x02C |
| #define PRCM_PER2CLK_MGT 0x030 |
| #define PRCM_PER3CLK_MGT 0x034 |
| #define PRCM_PER5CLK_MGT 0x038 |
| #define PRCM_PER6CLK_MGT 0x03C |
| #define PRCM_PER7CLK_MGT 0x040 |
| #define PRCM_LCDCLK_MGT 0x044 |
| #define PRCM_BMLCLK_MGT 0x04C |
| #define PRCM_HSITXCLK_MGT 0x050 |
| #define PRCM_HSIRXCLK_MGT 0x054 |
| #define PRCM_HDMICLK_MGT 0x058 |
| #define PRCM_APEATCLK_MGT 0x05C |
| #define PRCM_APETRACECLK_MGT 0x060 |
| #define PRCM_MCDECLK_MGT 0x064 |
| #define PRCM_IPI2CCLK_MGT 0x068 |
| #define PRCM_DSIALTCLK_MGT 0x06C |
| #define PRCM_DMACLK_MGT 0x074 |
| #define PRCM_B2R2CLK_MGT 0x078 |
| #define PRCM_TVCLK_MGT 0x07C |
| #define PRCM_TCR 0x1C8 |
| #define PRCM_TCR_STOPPED (1 << 16) |
| #define PRCM_TCR_DOZE_MODE (1 << 17) |
| #define PRCM_UNIPROCLK_MGT 0x278 |
| #define PRCM_SSPCLK_MGT 0x280 |
| #define PRCM_RNGCLK_MGT 0x284 |
| #define PRCM_UICCCLK_MGT 0x27C |
| |
| #define PRCM_MGT_ENABLE (1 << 8) |
| |
| static DEFINE_SPINLOCK(clocks_lock); |
| |
| static void __clk_enable(struct clk *clk) |
| { |
| if (clk->enabled++ == 0) { |
| if (clk->parent_cluster) |
| __clk_enable(clk->parent_cluster); |
| |
| if (clk->parent_periph) |
| __clk_enable(clk->parent_periph); |
| |
| if (clk->ops && clk->ops->enable) |
| clk->ops->enable(clk); |
| } |
| } |
| |
| int clk_enable(struct clk *clk) |
| { |
| unsigned long flags; |
| |
| spin_lock_irqsave(&clocks_lock, flags); |
| __clk_enable(clk); |
| spin_unlock_irqrestore(&clocks_lock, flags); |
| |
| return 0; |
| } |
| EXPORT_SYMBOL(clk_enable); |
| |
| static void __clk_disable(struct clk *clk) |
| { |
| if (--clk->enabled == 0) { |
| if (clk->ops && clk->ops->disable) |
| clk->ops->disable(clk); |
| |
| if (clk->parent_periph) |
| __clk_disable(clk->parent_periph); |
| |
| if (clk->parent_cluster) |
| __clk_disable(clk->parent_cluster); |
| } |
| } |
| |
| void clk_disable(struct clk *clk) |
| { |
| unsigned long flags; |
| |
| WARN_ON(!clk->enabled); |
| |
| spin_lock_irqsave(&clocks_lock, flags); |
| __clk_disable(clk); |
| spin_unlock_irqrestore(&clocks_lock, flags); |
| } |
| EXPORT_SYMBOL(clk_disable); |
| |
| /* |
| * The MTU has a separate, rather complex muxing setup |
| * with alternative parents (peripheral cluster or |
| * ULP or fixed 32768 Hz) depending on settings |
| */ |
| static unsigned long clk_mtu_get_rate(struct clk *clk) |
| { |
| void __iomem *addr = __io_address(UX500_PRCMU_BASE) |
| + PRCM_TCR; |
| u32 tcr = readl(addr); |
| int mtu = (int) clk->data; |
| /* |
| * One of these is selected eventually |
| * TODO: Replace the constant with a reference |
| * to the ULP source once this is modeled. |
| */ |
| unsigned long clk32k = 32768; |
| unsigned long mturate; |
| unsigned long retclk; |
| |
| /* Get the rate from the parent as a default */ |
| if (clk->parent_periph) |
| mturate = clk_get_rate(clk->parent_periph); |
| else if (clk->parent_cluster) |
| mturate = clk_get_rate(clk->parent_cluster); |
| else |
| /* We need to be connected SOMEWHERE */ |
| BUG(); |
| |
| /* |
| * Are we in doze mode? |
| * In this mode the parent peripheral or the fixed 32768 Hz |
| * clock is fed into the block. |
| */ |
| if (!(tcr & PRCM_TCR_DOZE_MODE)) { |
| /* |
| * Here we're using the clock input from the APE ULP |
| * clock domain. But first: are the timers stopped? |
| */ |
| if (tcr & PRCM_TCR_STOPPED) { |
| clk32k = 0; |
| mturate = 0; |
| } else { |
| /* Else default mode: 0 and 2.4 MHz */ |
| clk32k = 0; |
| if (cpu_is_u5500()) |
| /* DB5500 divides by 8 */ |
| mturate /= 8; |
| else if (cpu_is_u8500ed()) { |
| /* |
| * This clocking setting must not be used |
| * in the ED chip, it is simply not |
| * connected anywhere! |
| */ |
| mturate = 0; |
| BUG(); |
| } else |
| /* |
| * In this mode the ulp38m4 clock is divided |
| * by a factor 16, on the DB8500 typically |
| * 38400000 / 16 ~ 2.4 MHz. |
| * TODO: Replace the constant with a reference |
| * to the ULP source once this is modeled. |
| */ |
| mturate = 38400000 / 16; |
| } |
| } |
| |
| /* Return the clock selected for this MTU */ |
| if (tcr & (1 << mtu)) |
| retclk = clk32k; |
| else |
| retclk = mturate; |
| |
| pr_info("MTU%d clock rate: %lu Hz\n", mtu, retclk); |
| return retclk; |
| } |
| |
| unsigned long clk_get_rate(struct clk *clk) |
| { |
| unsigned long rate; |
| |
| /* |
| * If there is a custom getrate callback for this clock, |
| * it will take precedence. |
| */ |
| if (clk->get_rate) |
| return clk->get_rate(clk); |
| |
| if (clk->ops && clk->ops->get_rate) |
| return clk->ops->get_rate(clk); |
| |
| rate = clk->rate; |
| if (!rate) { |
| if (clk->parent_periph) |
| rate = clk_get_rate(clk->parent_periph); |
| else if (clk->parent_cluster) |
| rate = clk_get_rate(clk->parent_cluster); |
| } |
| |
| return rate; |
| } |
| EXPORT_SYMBOL(clk_get_rate); |
| |
| long clk_round_rate(struct clk *clk, unsigned long rate) |
| { |
| /*TODO*/ |
| return rate; |
| } |
| EXPORT_SYMBOL(clk_round_rate); |
| |
| int clk_set_rate(struct clk *clk, unsigned long rate) |
| { |
| clk->rate = rate; |
| return 0; |
| } |
| EXPORT_SYMBOL(clk_set_rate); |
| |
| static void clk_prcmu_enable(struct clk *clk) |
| { |
| void __iomem *cg_set_reg = __io_address(U8500_PRCMU_BASE) |
| + PRCM_YYCLKEN0_MGT_SET + clk->prcmu_cg_off; |
| |
| writel(1 << clk->prcmu_cg_bit, cg_set_reg); |
| } |
| |
| static void clk_prcmu_disable(struct clk *clk) |
| { |
| void __iomem *cg_clr_reg = __io_address(U8500_PRCMU_BASE) |
| + PRCM_YYCLKEN0_MGT_CLR + clk->prcmu_cg_off; |
| |
| writel(1 << clk->prcmu_cg_bit, cg_clr_reg); |
| } |
| |
| /* ED doesn't have the combined set/clr registers */ |
| static void clk_prcmu_ed_enable(struct clk *clk) |
| { |
| void __iomem *addr = __io_address(U8500_PRCMU_BASE) |
| + clk->prcmu_cg_mgt; |
| |
| writel(readl(addr) | PRCM_MGT_ENABLE, addr); |
| } |
| |
| static void clk_prcmu_ed_disable(struct clk *clk) |
| { |
| void __iomem *addr = __io_address(U8500_PRCMU_BASE) |
| + clk->prcmu_cg_mgt; |
| |
| writel(readl(addr) & ~PRCM_MGT_ENABLE, addr); |
| } |
| |
| static struct clkops clk_prcmu_ops = { |
| .enable = clk_prcmu_enable, |
| .disable = clk_prcmu_disable, |
| }; |
| |
| static unsigned int clkrst_base[] = { |
| [1] = U8500_CLKRST1_BASE, |
| [2] = U8500_CLKRST2_BASE, |
| [3] = U8500_CLKRST3_BASE, |
| [5] = U8500_CLKRST5_BASE, |
| [6] = U8500_CLKRST6_BASE, |
| [7] = U8500_CLKRST7_BASE_ED, |
| }; |
| |
| static void clk_prcc_enable(struct clk *clk) |
| { |
| void __iomem *addr = __io_address(clkrst_base[clk->cluster]); |
| |
| if (clk->prcc_kernel != -1) |
| writel(1 << clk->prcc_kernel, addr + PRCC_KCKEN); |
| |
| if (clk->prcc_bus != -1) |
| writel(1 << clk->prcc_bus, addr + PRCC_PCKEN); |
| } |
| |
| static void clk_prcc_disable(struct clk *clk) |
| { |
| void __iomem *addr = __io_address(clkrst_base[clk->cluster]); |
| |
| if (clk->prcc_bus != -1) |
| writel(1 << clk->prcc_bus, addr + PRCC_PCKDIS); |
| |
| if (clk->prcc_kernel != -1) |
| writel(1 << clk->prcc_kernel, addr + PRCC_KCKDIS); |
| } |
| |
| static struct clkops clk_prcc_ops = { |
| .enable = clk_prcc_enable, |
| .disable = clk_prcc_disable, |
| }; |
| |
| static struct clk clk_32khz = { |
| .rate = 32000, |
| }; |
| |
| /* |
| * PRCMU level clock gating |
| */ |
| |
| /* Bank 0 */ |
| static DEFINE_PRCMU_CLK(svaclk, 0x0, 2, SVAMMDSPCLK); |
| static DEFINE_PRCMU_CLK(siaclk, 0x0, 3, SIAMMDSPCLK); |
| static DEFINE_PRCMU_CLK(sgaclk, 0x0, 4, SGACLK); |
| static DEFINE_PRCMU_CLK_RATE(uartclk, 0x0, 5, UARTCLK, 38400000); |
| static DEFINE_PRCMU_CLK(msp02clk, 0x0, 6, MSP02CLK); |
| static DEFINE_PRCMU_CLK(msp1clk, 0x0, 7, MSP1CLK); /* v1 */ |
| static DEFINE_PRCMU_CLK_RATE(i2cclk, 0x0, 8, I2CCLK, 48000000); |
| static DEFINE_PRCMU_CLK_RATE(sdmmcclk, 0x0, 9, SDMMCCLK, 50000000); |
| static DEFINE_PRCMU_CLK(slimclk, 0x0, 10, SLIMCLK); |
| static DEFINE_PRCMU_CLK(per1clk, 0x0, 11, PER1CLK); |
| static DEFINE_PRCMU_CLK(per2clk, 0x0, 12, PER2CLK); |
| static DEFINE_PRCMU_CLK(per3clk, 0x0, 13, PER3CLK); |
| static DEFINE_PRCMU_CLK(per5clk, 0x0, 14, PER5CLK); |
| static DEFINE_PRCMU_CLK_RATE(per6clk, 0x0, 15, PER6CLK, 133330000); |
| static DEFINE_PRCMU_CLK_RATE(per7clk, 0x0, 16, PER7CLK, 100000000); |
| static DEFINE_PRCMU_CLK(lcdclk, 0x0, 17, LCDCLK); |
| static DEFINE_PRCMU_CLK(bmlclk, 0x0, 18, BMLCLK); |
| static DEFINE_PRCMU_CLK(hsitxclk, 0x0, 19, HSITXCLK); |
| static DEFINE_PRCMU_CLK(hsirxclk, 0x0, 20, HSIRXCLK); |
| static DEFINE_PRCMU_CLK(hdmiclk, 0x0, 21, HDMICLK); |
| static DEFINE_PRCMU_CLK(apeatclk, 0x0, 22, APEATCLK); |
| static DEFINE_PRCMU_CLK(apetraceclk, 0x0, 23, APETRACECLK); |
| static DEFINE_PRCMU_CLK(mcdeclk, 0x0, 24, MCDECLK); |
| static DEFINE_PRCMU_CLK(ipi2clk, 0x0, 25, IPI2CCLK); |
| static DEFINE_PRCMU_CLK(dsialtclk, 0x0, 26, DSIALTCLK); /* v1 */ |
| static DEFINE_PRCMU_CLK(dmaclk, 0x0, 27, DMACLK); |
| static DEFINE_PRCMU_CLK(b2r2clk, 0x0, 28, B2R2CLK); |
| static DEFINE_PRCMU_CLK(tvclk, 0x0, 29, TVCLK); |
| static DEFINE_PRCMU_CLK(uniproclk, 0x0, 30, UNIPROCLK); /* v1 */ |
| static DEFINE_PRCMU_CLK_RATE(sspclk, 0x0, 31, SSPCLK, 48000000); /* v1 */ |
| |
| /* Bank 1 */ |
| static DEFINE_PRCMU_CLK(rngclk, 0x4, 0, RNGCLK); /* v1 */ |
| static DEFINE_PRCMU_CLK(uiccclk, 0x4, 1, UICCCLK); /* v1 */ |
| |
| /* |
| * PRCC level clock gating |
| * Format: per#, clk, PCKEN bit, KCKEN bit, parent |
| */ |
| |
| /* Peripheral Cluster #1 */ |
| static DEFINE_PRCC_CLK(1, i2c4, 10, 9, &clk_i2cclk); |
| static DEFINE_PRCC_CLK(1, gpio0, 9, -1, NULL); |
| static DEFINE_PRCC_CLK(1, slimbus0, 8, 8, &clk_slimclk); |
| static DEFINE_PRCC_CLK(1, spi3_ed, 7, 7, NULL); |
| static DEFINE_PRCC_CLK(1, spi3_v1, 7, -1, NULL); |
| static DEFINE_PRCC_CLK(1, i2c2, 6, 6, &clk_i2cclk); |
| static DEFINE_PRCC_CLK(1, sdi0, 5, 5, &clk_sdmmcclk); |
| static DEFINE_PRCC_CLK(1, msp1_ed, 4, 4, &clk_msp02clk); |
| static DEFINE_PRCC_CLK(1, msp1_v1, 4, 4, &clk_msp1clk); |
| static DEFINE_PRCC_CLK(1, msp0, 3, 3, &clk_msp02clk); |
| static DEFINE_PRCC_CLK(1, i2c1, 2, 2, &clk_i2cclk); |
| static DEFINE_PRCC_CLK(1, uart1, 1, 1, &clk_uartclk); |
| static DEFINE_PRCC_CLK(1, uart0, 0, 0, &clk_uartclk); |
| |
| /* Peripheral Cluster #2 */ |
| |
| static DEFINE_PRCC_CLK(2, gpio1_ed, 12, -1, NULL); |
| static DEFINE_PRCC_CLK(2, ssitx_ed, 11, -1, NULL); |
| static DEFINE_PRCC_CLK(2, ssirx_ed, 10, -1, NULL); |
| static DEFINE_PRCC_CLK(2, spi0_ed, 9, -1, NULL); |
| static DEFINE_PRCC_CLK(2, sdi3_ed, 8, 6, &clk_sdmmcclk); |
| static DEFINE_PRCC_CLK(2, sdi1_ed, 7, 5, &clk_sdmmcclk); |
| static DEFINE_PRCC_CLK(2, msp2_ed, 6, 4, &clk_msp02clk); |
| static DEFINE_PRCC_CLK(2, sdi4_ed, 4, 2, &clk_sdmmcclk); |
| static DEFINE_PRCC_CLK(2, pwl_ed, 3, 1, NULL); |
| static DEFINE_PRCC_CLK(2, spi1_ed, 2, -1, NULL); |
| static DEFINE_PRCC_CLK(2, spi2_ed, 1, -1, NULL); |
| static DEFINE_PRCC_CLK(2, i2c3_ed, 0, 0, &clk_i2cclk); |
| |
| static DEFINE_PRCC_CLK(2, gpio1_v1, 11, -1, NULL); |
| static DEFINE_PRCC_CLK(2, ssitx_v1, 10, 7, NULL); |
| static DEFINE_PRCC_CLK(2, ssirx_v1, 9, 6, NULL); |
| static DEFINE_PRCC_CLK(2, spi0_v1, 8, -1, NULL); |
| static DEFINE_PRCC_CLK(2, sdi3_v1, 7, 5, &clk_sdmmcclk); |
| static DEFINE_PRCC_CLK(2, sdi1_v1, 6, 4, &clk_sdmmcclk); |
| static DEFINE_PRCC_CLK(2, msp2_v1, 5, 3, &clk_msp02clk); |
| static DEFINE_PRCC_CLK(2, sdi4_v1, 4, 2, &clk_sdmmcclk); |
| static DEFINE_PRCC_CLK(2, pwl_v1, 3, 1, NULL); |
| static DEFINE_PRCC_CLK(2, spi1_v1, 2, -1, NULL); |
| static DEFINE_PRCC_CLK(2, spi2_v1, 1, -1, NULL); |
| static DEFINE_PRCC_CLK(2, i2c3_v1, 0, 0, &clk_i2cclk); |
| |
| /* Peripheral Cluster #3 */ |
| static DEFINE_PRCC_CLK(3, gpio2, 8, -1, NULL); |
| static DEFINE_PRCC_CLK(3, sdi5, 7, 7, &clk_sdmmcclk); |
| static DEFINE_PRCC_CLK(3, uart2, 6, 6, &clk_uartclk); |
| static DEFINE_PRCC_CLK(3, ske, 5, 5, &clk_32khz); |
| static DEFINE_PRCC_CLK(3, sdi2, 4, 4, &clk_sdmmcclk); |
| static DEFINE_PRCC_CLK(3, i2c0, 3, 3, &clk_i2cclk); |
| static DEFINE_PRCC_CLK(3, ssp1_ed, 2, 2, &clk_i2cclk); |
| static DEFINE_PRCC_CLK(3, ssp0_ed, 1, 1, &clk_i2cclk); |
| static DEFINE_PRCC_CLK(3, ssp1_v1, 2, 2, &clk_sspclk); |
| static DEFINE_PRCC_CLK(3, ssp0_v1, 1, 1, &clk_sspclk); |
| static DEFINE_PRCC_CLK(3, fsmc, 0, -1, NULL); |
| |
| /* Peripheral Cluster #4 is in the always on domain */ |
| |
| /* Peripheral Cluster #5 */ |
| static DEFINE_PRCC_CLK(5, gpio3, 1, -1, NULL); |
| static DEFINE_PRCC_CLK(5, usb_ed, 0, 0, &clk_i2cclk); |
| static DEFINE_PRCC_CLK(5, usb_v1, 0, 0, NULL); |
| |
| /* Peripheral Cluster #6 */ |
| |
| /* MTU ID in data */ |
| static DEFINE_PRCC_CLK_CUSTOM(6, mtu1_v1, 8, -1, NULL, clk_mtu_get_rate, 1); |
| static DEFINE_PRCC_CLK_CUSTOM(6, mtu0_v1, 7, -1, NULL, clk_mtu_get_rate, 0); |
| static DEFINE_PRCC_CLK(6, cfgreg_v1, 6, 6, NULL); |
| static DEFINE_PRCC_CLK(6, dmc_ed, 6, 6, NULL); |
| static DEFINE_PRCC_CLK(6, hash1, 5, -1, NULL); |
| static DEFINE_PRCC_CLK(6, unipro_v1, 4, 1, &clk_uniproclk); |
| static DEFINE_PRCC_CLK(6, cryp1_ed, 4, -1, NULL); |
| static DEFINE_PRCC_CLK(6, pka, 3, -1, NULL); |
| static DEFINE_PRCC_CLK(6, hash0, 2, -1, NULL); |
| static DEFINE_PRCC_CLK(6, cryp0, 1, -1, NULL); |
| static DEFINE_PRCC_CLK(6, rng_ed, 0, 0, &clk_i2cclk); |
| static DEFINE_PRCC_CLK(6, rng_v1, 0, 0, &clk_rngclk); |
| |
| /* Peripheral Cluster #7 */ |
| |
| static DEFINE_PRCC_CLK(7, tzpc0_ed, 4, -1, NULL); |
| /* MTU ID in data */ |
| static DEFINE_PRCC_CLK_CUSTOM(7, mtu1_ed, 3, -1, NULL, clk_mtu_get_rate, 1); |
| static DEFINE_PRCC_CLK_CUSTOM(7, mtu0_ed, 2, -1, NULL, clk_mtu_get_rate, 0); |
| static DEFINE_PRCC_CLK(7, wdg_ed, 1, -1, NULL); |
| static DEFINE_PRCC_CLK(7, cfgreg_ed, 0, -1, NULL); |
| |
| static struct clk clk_dummy_apb_pclk; |
| |
| static struct clk_lookup u8500_common_clks[] = { |
| CLK(dummy_apb_pclk, NULL, "apb_pclk"), |
| |
| /* Peripheral Cluster #1 */ |
| CLK(gpio0, "gpio.0", NULL), |
| CLK(gpio0, "gpio.1", NULL), |
| CLK(slimbus0, "slimbus0", NULL), |
| CLK(i2c2, "nmk-i2c.2", NULL), |
| CLK(sdi0, "sdi0", NULL), |
| CLK(msp0, "msp0", NULL), |
| CLK(i2c1, "nmk-i2c.1", NULL), |
| CLK(uart1, "uart1", NULL), |
| CLK(uart0, "uart0", NULL), |
| |
| /* Peripheral Cluster #3 */ |
| CLK(gpio2, "gpio.2", NULL), |
| CLK(gpio2, "gpio.3", NULL), |
| CLK(gpio2, "gpio.4", NULL), |
| CLK(gpio2, "gpio.5", NULL), |
| CLK(sdi5, "sdi5", NULL), |
| CLK(uart2, "uart2", NULL), |
| CLK(ske, "ske", NULL), |
| CLK(sdi2, "sdi2", NULL), |
| CLK(i2c0, "nmk-i2c.0", NULL), |
| CLK(fsmc, "fsmc", NULL), |
| |
| /* Peripheral Cluster #5 */ |
| CLK(gpio3, "gpio.8", NULL), |
| |
| /* Peripheral Cluster #6 */ |
| CLK(hash1, "hash1", NULL), |
| CLK(pka, "pka", NULL), |
| CLK(hash0, "hash0", NULL), |
| CLK(cryp0, "cryp0", NULL), |
| |
| /* PRCMU level clock gating */ |
| |
| /* Bank 0 */ |
| CLK(svaclk, "sva", NULL), |
| CLK(siaclk, "sia", NULL), |
| CLK(sgaclk, "sga", NULL), |
| CLK(slimclk, "slim", NULL), |
| CLK(lcdclk, "lcd", NULL), |
| CLK(bmlclk, "bml", NULL), |
| CLK(hsitxclk, "stm-hsi.0", NULL), |
| CLK(hsirxclk, "stm-hsi.1", NULL), |
| CLK(hdmiclk, "hdmi", NULL), |
| CLK(apeatclk, "apeat", NULL), |
| CLK(apetraceclk, "apetrace", NULL), |
| CLK(mcdeclk, "mcde", NULL), |
| CLK(ipi2clk, "ipi2", NULL), |
| CLK(dmaclk, "dma40.0", NULL), |
| CLK(b2r2clk, "b2r2", NULL), |
| CLK(tvclk, "tv", NULL), |
| }; |
| |
| static struct clk_lookup u8500_ed_clks[] = { |
| /* Peripheral Cluster #1 */ |
| CLK(spi3_ed, "spi3", NULL), |
| CLK(msp1_ed, "msp1", NULL), |
| |
| /* Peripheral Cluster #2 */ |
| CLK(gpio1_ed, "gpio.6", NULL), |
| CLK(gpio1_ed, "gpio.7", NULL), |
| CLK(ssitx_ed, "ssitx", NULL), |
| CLK(ssirx_ed, "ssirx", NULL), |
| CLK(spi0_ed, "spi0", NULL), |
| CLK(sdi3_ed, "sdi3", NULL), |
| CLK(sdi1_ed, "sdi1", NULL), |
| CLK(msp2_ed, "msp2", NULL), |
| CLK(sdi4_ed, "sdi4", NULL), |
| CLK(pwl_ed, "pwl", NULL), |
| CLK(spi1_ed, "spi1", NULL), |
| CLK(spi2_ed, "spi2", NULL), |
| CLK(i2c3_ed, "nmk-i2c.3", NULL), |
| |
| /* Peripheral Cluster #3 */ |
| CLK(ssp1_ed, "ssp1", NULL), |
| CLK(ssp0_ed, "ssp0", NULL), |
| |
| /* Peripheral Cluster #5 */ |
| CLK(usb_ed, "musb_hdrc.0", "usb"), |
| |
| /* Peripheral Cluster #6 */ |
| CLK(dmc_ed, "dmc", NULL), |
| CLK(cryp1_ed, "cryp1", NULL), |
| CLK(rng_ed, "rng", NULL), |
| |
| /* Peripheral Cluster #7 */ |
| CLK(tzpc0_ed, "tzpc0", NULL), |
| CLK(mtu1_ed, "mtu1", NULL), |
| CLK(mtu0_ed, "mtu0", NULL), |
| CLK(wdg_ed, "wdg", NULL), |
| CLK(cfgreg_ed, "cfgreg", NULL), |
| }; |
| |
| static struct clk_lookup u8500_v1_clks[] = { |
| /* Peripheral Cluster #1 */ |
| CLK(i2c4, "nmk-i2c.4", NULL), |
| CLK(spi3_v1, "spi3", NULL), |
| CLK(msp1_v1, "msp1", NULL), |
| |
| /* Peripheral Cluster #2 */ |
| CLK(gpio1_v1, "gpio.6", NULL), |
| CLK(gpio1_v1, "gpio.7", NULL), |
| CLK(ssitx_v1, "ssitx", NULL), |
| CLK(ssirx_v1, "ssirx", NULL), |
| CLK(spi0_v1, "spi0", NULL), |
| CLK(sdi3_v1, "sdi3", NULL), |
| CLK(sdi1_v1, "sdi1", NULL), |
| CLK(msp2_v1, "msp2", NULL), |
| CLK(sdi4_v1, "sdi4", NULL), |
| CLK(pwl_v1, "pwl", NULL), |
| CLK(spi1_v1, "spi1", NULL), |
| CLK(spi2_v1, "spi2", NULL), |
| CLK(i2c3_v1, "nmk-i2c.3", NULL), |
| |
| /* Peripheral Cluster #3 */ |
| CLK(ssp1_v1, "ssp1", NULL), |
| CLK(ssp0_v1, "ssp0", NULL), |
| |
| /* Peripheral Cluster #5 */ |
| CLK(usb_v1, "musb_hdrc.0", "usb"), |
| |
| /* Peripheral Cluster #6 */ |
| CLK(mtu1_v1, "mtu1", NULL), |
| CLK(mtu0_v1, "mtu0", NULL), |
| CLK(cfgreg_v1, "cfgreg", NULL), |
| CLK(hash1, "hash1", NULL), |
| CLK(unipro_v1, "unipro", NULL), |
| CLK(rng_v1, "rng", NULL), |
| |
| /* PRCMU level clock gating */ |
| |
| /* Bank 0 */ |
| CLK(uniproclk, "uniproclk", NULL), |
| CLK(dsialtclk, "dsialt", NULL), |
| |
| /* Bank 1 */ |
| CLK(rngclk, "rng", NULL), |
| CLK(uiccclk, "uicc", NULL), |
| }; |
| |
| int __init clk_init(void) |
| { |
| if (cpu_is_u8500ed()) { |
| clk_prcmu_ops.enable = clk_prcmu_ed_enable; |
| clk_prcmu_ops.disable = clk_prcmu_ed_disable; |
| clk_per6clk.rate = 100000000; |
| } else if (cpu_is_u5500()) { |
| /* Clock tree for U5500 not implemented yet */ |
| clk_prcc_ops.enable = clk_prcc_ops.disable = NULL; |
| clk_prcmu_ops.enable = clk_prcmu_ops.disable = NULL; |
| clk_per6clk.rate = 26000000; |
| } |
| |
| clkdev_add_table(u8500_common_clks, ARRAY_SIZE(u8500_common_clks)); |
| if (cpu_is_u8500ed()) |
| clkdev_add_table(u8500_ed_clks, ARRAY_SIZE(u8500_ed_clks)); |
| else |
| clkdev_add_table(u8500_v1_clks, ARRAY_SIZE(u8500_v1_clks)); |
| |
| return 0; |
| } |