diff options
author | Shawn Guo <shawn.guo@linaro.org> | 2015-04-26 21:54:29 +0800 |
---|---|---|
committer | Shawn Guo <shawn.guo@linaro.org> | 2015-06-03 14:44:33 +0800 |
commit | 11f68120095d6040abd2eb37bf21bb9450646304 (patch) | |
tree | 3fcf81cd9661d6f1771a4f542deb9d01b2f0aa5d /arch/arm/mach-imx/clk-imx35.c | |
parent | 0c831317e77b55612ffa1b402b262983bc7001d2 (diff) | |
download | linux-exynos-11f68120095d6040abd2eb37bf21bb9450646304.tar.gz linux-exynos-11f68120095d6040abd2eb37bf21bb9450646304.tar.bz2 linux-exynos-11f68120095d6040abd2eb37bf21bb9450646304.zip |
ARM: imx: move clock drivers into drivers/clk
After the cleanup on clock drivers, they are now ready to be moved into
drivers/clk. Let's move them into drivers/clk/imx folder.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Acked-by: Stephen Boyd <sboyd@codeaurora.org>
Diffstat (limited to 'arch/arm/mach-imx/clk-imx35.c')
-rw-r--r-- | arch/arm/mach-imx/clk-imx35.c | 313 |
1 files changed, 0 insertions, 313 deletions
diff --git a/arch/arm/mach-imx/clk-imx35.c b/arch/arm/mach-imx/clk-imx35.c deleted file mode 100644 index 133fda1dcb25..000000000000 --- a/arch/arm/mach-imx/clk-imx35.c +++ /dev/null @@ -1,313 +0,0 @@ -/* - * Copyright (C) 2012 Sascha Hauer, Pengutronix <s.hauer@pengutronix.de> - * - * 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/mm.h> -#include <linux/delay.h> -#include <linux/clk.h> -#include <linux/io.h> -#include <linux/clkdev.h> -#include <linux/of.h> -#include <linux/err.h> -#include <soc/imx/revision.h> -#include <asm/irq.h> - -#include "clk.h" - -#define MX35_CCM_BASE_ADDR 0x53f80000 -#define MX35_GPT1_BASE_ADDR 0x53f90000 -#define MX35_INT_GPT (NR_IRQS_LEGACY + 29) - -#define MXC_CCM_PDR0 0x04 -#define MX35_CCM_PDR2 0x0c -#define MX35_CCM_PDR3 0x10 -#define MX35_CCM_PDR4 0x14 -#define MX35_CCM_MPCTL 0x1c -#define MX35_CCM_PPCTL 0x20 -#define MX35_CCM_CGR0 0x2c -#define MX35_CCM_CGR1 0x30 -#define MX35_CCM_CGR2 0x34 -#define MX35_CCM_CGR3 0x38 - -struct arm_ahb_div { - unsigned char arm, ahb, sel; -}; - -static struct arm_ahb_div clk_consumer[] = { - { .arm = 1, .ahb = 4, .sel = 0}, - { .arm = 1, .ahb = 3, .sel = 1}, - { .arm = 2, .ahb = 2, .sel = 0}, - { .arm = 0, .ahb = 0, .sel = 0}, - { .arm = 0, .ahb = 0, .sel = 0}, - { .arm = 0, .ahb = 0, .sel = 0}, - { .arm = 4, .ahb = 1, .sel = 0}, - { .arm = 1, .ahb = 5, .sel = 0}, - { .arm = 1, .ahb = 8, .sel = 0}, - { .arm = 1, .ahb = 6, .sel = 1}, - { .arm = 2, .ahb = 4, .sel = 0}, - { .arm = 0, .ahb = 0, .sel = 0}, - { .arm = 0, .ahb = 0, .sel = 0}, - { .arm = 0, .ahb = 0, .sel = 0}, - { .arm = 4, .ahb = 2, .sel = 0}, - { .arm = 0, .ahb = 0, .sel = 0}, -}; - -static char hsp_div_532[] = { 4, 8, 3, 0 }; -static char hsp_div_400[] = { 3, 6, 3, 0 }; - -static struct clk_onecell_data clk_data; - -static const char *std_sel[] = {"ppll", "arm"}; -static const char *ipg_per_sel[] = {"ahb_per_div", "arm_per_div"}; - -enum mx35_clks { - ckih, mpll, ppll, mpll_075, arm, hsp, hsp_div, hsp_sel, ahb, ipg, - arm_per_div, ahb_per_div, ipg_per, uart_sel, uart_div, esdhc_sel, - esdhc1_div, esdhc2_div, esdhc3_div, spdif_sel, spdif_div_pre, - spdif_div_post, ssi_sel, ssi1_div_pre, ssi1_div_post, ssi2_div_pre, - ssi2_div_post, usb_sel, usb_div, nfc_div, asrc_gate, pata_gate, - audmux_gate, can1_gate, can2_gate, cspi1_gate, cspi2_gate, ect_gate, - edio_gate, emi_gate, epit1_gate, epit2_gate, esai_gate, esdhc1_gate, - esdhc2_gate, esdhc3_gate, fec_gate, gpio1_gate, gpio2_gate, gpio3_gate, - gpt_gate, i2c1_gate, i2c2_gate, i2c3_gate, iomuxc_gate, ipu_gate, - kpp_gate, mlb_gate, mshc_gate, owire_gate, pwm_gate, rngc_gate, - rtc_gate, rtic_gate, scc_gate, sdma_gate, spba_gate, spdif_gate, - ssi1_gate, ssi2_gate, uart1_gate, uart2_gate, uart3_gate, usbotg_gate, - wdog_gate, max_gate, admux_gate, csi_gate, csi_div, csi_sel, iim_gate, - gpu2d_gate, clk_max -}; - -static struct clk *clk[clk_max]; - -int __init mx35_clocks_init(void) -{ - void __iomem *base; - u32 pdr0, consumer_sel, hsp_sel; - struct arm_ahb_div *aad; - unsigned char *hsp_div; - - base = ioremap(MX35_CCM_BASE_ADDR, SZ_4K); - BUG_ON(!base); - - pdr0 = __raw_readl(base + MXC_CCM_PDR0); - consumer_sel = (pdr0 >> 16) & 0xf; - aad = &clk_consumer[consumer_sel]; - if (!aad->arm) { - pr_err("i.MX35 clk: illegal consumer mux selection 0x%x\n", consumer_sel); - /* - * We are basically stuck. Continue with a default entry and hope we - * get far enough to actually show the above message - */ - aad = &clk_consumer[0]; - } - - clk[ckih] = imx_clk_fixed("ckih", 24000000); - clk[mpll] = imx_clk_pllv1(IMX_PLLV1_IMX35, "mpll", "ckih", base + MX35_CCM_MPCTL); - clk[ppll] = imx_clk_pllv1(IMX_PLLV1_IMX35, "ppll", "ckih", base + MX35_CCM_PPCTL); - - clk[mpll] = imx_clk_fixed_factor("mpll_075", "mpll", 3, 4); - - if (aad->sel) - clk[arm] = imx_clk_fixed_factor("arm", "mpll_075", 1, aad->arm); - else - clk[arm] = imx_clk_fixed_factor("arm", "mpll", 1, aad->arm); - - if (clk_get_rate(clk[arm]) > 400000000) - hsp_div = hsp_div_532; - else - hsp_div = hsp_div_400; - - hsp_sel = (pdr0 >> 20) & 0x3; - if (!hsp_div[hsp_sel]) { - pr_err("i.MX35 clk: illegal hsp clk selection 0x%x\n", hsp_sel); - hsp_sel = 0; - } - - clk[hsp] = imx_clk_fixed_factor("hsp", "arm", 1, hsp_div[hsp_sel]); - - clk[ahb] = imx_clk_fixed_factor("ahb", "arm", 1, aad->ahb); - clk[ipg] = imx_clk_fixed_factor("ipg", "ahb", 1, 2); - - clk[arm_per_div] = imx_clk_divider("arm_per_div", "arm", base + MX35_CCM_PDR4, 16, 6); - clk[ahb_per_div] = imx_clk_divider("ahb_per_div", "ahb", base + MXC_CCM_PDR0, 12, 3); - clk[ipg_per] = imx_clk_mux("ipg_per", base + MXC_CCM_PDR0, 26, 1, ipg_per_sel, ARRAY_SIZE(ipg_per_sel)); - - clk[uart_sel] = imx_clk_mux("uart_sel", base + MX35_CCM_PDR3, 14, 1, std_sel, ARRAY_SIZE(std_sel)); - clk[uart_div] = imx_clk_divider("uart_div", "uart_sel", base + MX35_CCM_PDR4, 10, 6); - - clk[esdhc_sel] = imx_clk_mux("esdhc_sel", base + MX35_CCM_PDR4, 9, 1, std_sel, ARRAY_SIZE(std_sel)); - clk[esdhc1_div] = imx_clk_divider("esdhc1_div", "esdhc_sel", base + MX35_CCM_PDR3, 0, 6); - clk[esdhc2_div] = imx_clk_divider("esdhc2_div", "esdhc_sel", base + MX35_CCM_PDR3, 8, 6); - clk[esdhc3_div] = imx_clk_divider("esdhc3_div", "esdhc_sel", base + MX35_CCM_PDR3, 16, 6); - - clk[spdif_sel] = imx_clk_mux("spdif_sel", base + MX35_CCM_PDR3, 22, 1, std_sel, ARRAY_SIZE(std_sel)); - clk[spdif_div_pre] = imx_clk_divider("spdif_div_pre", "spdif_sel", base + MX35_CCM_PDR3, 29, 3); /* divide by 1 not allowed */ - clk[spdif_div_post] = imx_clk_divider("spdif_div_post", "spdif_div_pre", base + MX35_CCM_PDR3, 23, 6); - - clk[ssi_sel] = imx_clk_mux("ssi_sel", base + MX35_CCM_PDR2, 6, 1, std_sel, ARRAY_SIZE(std_sel)); - clk[ssi1_div_pre] = imx_clk_divider("ssi1_div_pre", "ssi_sel", base + MX35_CCM_PDR2, 24, 3); - clk[ssi1_div_post] = imx_clk_divider("ssi1_div_post", "ssi1_div_pre", base + MX35_CCM_PDR2, 0, 6); - clk[ssi2_div_pre] = imx_clk_divider("ssi2_div_pre", "ssi_sel", base + MX35_CCM_PDR2, 27, 3); - clk[ssi2_div_post] = imx_clk_divider("ssi2_div_post", "ssi2_div_pre", base + MX35_CCM_PDR2, 8, 6); - - clk[usb_sel] = imx_clk_mux("usb_sel", base + MX35_CCM_PDR4, 9, 1, std_sel, ARRAY_SIZE(std_sel)); - clk[usb_div] = imx_clk_divider("usb_div", "usb_sel", base + MX35_CCM_PDR4, 22, 6); - - clk[nfc_div] = imx_clk_divider("nfc_div", "ahb", base + MX35_CCM_PDR4, 28, 4); - - clk[csi_sel] = imx_clk_mux("csi_sel", base + MX35_CCM_PDR2, 7, 1, std_sel, ARRAY_SIZE(std_sel)); - clk[csi_div] = imx_clk_divider("csi_div", "csi_sel", base + MX35_CCM_PDR2, 16, 6); - - clk[asrc_gate] = imx_clk_gate2("asrc_gate", "ipg", base + MX35_CCM_CGR0, 0); - clk[pata_gate] = imx_clk_gate2("pata_gate", "ipg", base + MX35_CCM_CGR0, 2); - clk[audmux_gate] = imx_clk_gate2("audmux_gate", "ipg", base + MX35_CCM_CGR0, 4); - clk[can1_gate] = imx_clk_gate2("can1_gate", "ipg", base + MX35_CCM_CGR0, 6); - clk[can2_gate] = imx_clk_gate2("can2_gate", "ipg", base + MX35_CCM_CGR0, 8); - clk[cspi1_gate] = imx_clk_gate2("cspi1_gate", "ipg", base + MX35_CCM_CGR0, 10); - clk[cspi2_gate] = imx_clk_gate2("cspi2_gate", "ipg", base + MX35_CCM_CGR0, 12); - clk[ect_gate] = imx_clk_gate2("ect_gate", "ipg", base + MX35_CCM_CGR0, 14); - clk[edio_gate] = imx_clk_gate2("edio_gate", "ipg", base + MX35_CCM_CGR0, 16); - clk[emi_gate] = imx_clk_gate2("emi_gate", "ipg", base + MX35_CCM_CGR0, 18); - clk[epit1_gate] = imx_clk_gate2("epit1_gate", "ipg", base + MX35_CCM_CGR0, 20); - clk[epit2_gate] = imx_clk_gate2("epit2_gate", "ipg", base + MX35_CCM_CGR0, 22); - clk[esai_gate] = imx_clk_gate2("esai_gate", "ipg", base + MX35_CCM_CGR0, 24); - clk[esdhc1_gate] = imx_clk_gate2("esdhc1_gate", "esdhc1_div", base + MX35_CCM_CGR0, 26); - clk[esdhc2_gate] = imx_clk_gate2("esdhc2_gate", "esdhc2_div", base + MX35_CCM_CGR0, 28); - clk[esdhc3_gate] = imx_clk_gate2("esdhc3_gate", "esdhc3_div", base + MX35_CCM_CGR0, 30); - - clk[fec_gate] = imx_clk_gate2("fec_gate", "ipg", base + MX35_CCM_CGR1, 0); - clk[gpio1_gate] = imx_clk_gate2("gpio1_gate", "ipg", base + MX35_CCM_CGR1, 2); - clk[gpio2_gate] = imx_clk_gate2("gpio2_gate", "ipg", base + MX35_CCM_CGR1, 4); - clk[gpio3_gate] = imx_clk_gate2("gpio3_gate", "ipg", base + MX35_CCM_CGR1, 6); - clk[gpt_gate] = imx_clk_gate2("gpt_gate", "ipg", base + MX35_CCM_CGR1, 8); - clk[i2c1_gate] = imx_clk_gate2("i2c1_gate", "ipg_per", base + MX35_CCM_CGR1, 10); - clk[i2c2_gate] = imx_clk_gate2("i2c2_gate", "ipg_per", base + MX35_CCM_CGR1, 12); - clk[i2c3_gate] = imx_clk_gate2("i2c3_gate", "ipg_per", base + MX35_CCM_CGR1, 14); - clk[iomuxc_gate] = imx_clk_gate2("iomuxc_gate", "ipg", base + MX35_CCM_CGR1, 16); - clk[ipu_gate] = imx_clk_gate2("ipu_gate", "hsp", base + MX35_CCM_CGR1, 18); - clk[kpp_gate] = imx_clk_gate2("kpp_gate", "ipg", base + MX35_CCM_CGR1, 20); - clk[mlb_gate] = imx_clk_gate2("mlb_gate", "ahb", base + MX35_CCM_CGR1, 22); - clk[mshc_gate] = imx_clk_gate2("mshc_gate", "dummy", base + MX35_CCM_CGR1, 24); - clk[owire_gate] = imx_clk_gate2("owire_gate", "ipg_per", base + MX35_CCM_CGR1, 26); - clk[pwm_gate] = imx_clk_gate2("pwm_gate", "ipg_per", base + MX35_CCM_CGR1, 28); - clk[rngc_gate] = imx_clk_gate2("rngc_gate", "ipg", base + MX35_CCM_CGR1, 30); - - clk[rtc_gate] = imx_clk_gate2("rtc_gate", "ipg", base + MX35_CCM_CGR2, 0); - clk[rtic_gate] = imx_clk_gate2("rtic_gate", "ahb", base + MX35_CCM_CGR2, 2); - clk[scc_gate] = imx_clk_gate2("scc_gate", "ipg", base + MX35_CCM_CGR2, 4); - clk[sdma_gate] = imx_clk_gate2("sdma_gate", "ahb", base + MX35_CCM_CGR2, 6); - clk[spba_gate] = imx_clk_gate2("spba_gate", "ipg", base + MX35_CCM_CGR2, 8); - clk[spdif_gate] = imx_clk_gate2("spdif_gate", "spdif_div_post", base + MX35_CCM_CGR2, 10); - clk[ssi1_gate] = imx_clk_gate2("ssi1_gate", "ssi1_div_post", base + MX35_CCM_CGR2, 12); - clk[ssi2_gate] = imx_clk_gate2("ssi2_gate", "ssi2_div_post", base + MX35_CCM_CGR2, 14); - clk[uart1_gate] = imx_clk_gate2("uart1_gate", "uart_div", base + MX35_CCM_CGR2, 16); - clk[uart2_gate] = imx_clk_gate2("uart2_gate", "uart_div", base + MX35_CCM_CGR2, 18); - clk[uart3_gate] = imx_clk_gate2("uart3_gate", "uart_div", base + MX35_CCM_CGR2, 20); - clk[usbotg_gate] = imx_clk_gate2("usbotg_gate", "ahb", base + MX35_CCM_CGR2, 22); - clk[wdog_gate] = imx_clk_gate2("wdog_gate", "ipg", base + MX35_CCM_CGR2, 24); - clk[max_gate] = imx_clk_gate2("max_gate", "dummy", base + MX35_CCM_CGR2, 26); - clk[admux_gate] = imx_clk_gate2("admux_gate", "ipg", base + MX35_CCM_CGR2, 30); - - clk[csi_gate] = imx_clk_gate2("csi_gate", "csi_div", base + MX35_CCM_CGR3, 0); - clk[iim_gate] = imx_clk_gate2("iim_gate", "ipg", base + MX35_CCM_CGR3, 2); - clk[gpu2d_gate] = imx_clk_gate2("gpu2d_gate", "ahb", base + MX35_CCM_CGR3, 4); - - imx_check_clocks(clk, ARRAY_SIZE(clk)); - - clk_register_clkdev(clk[pata_gate], NULL, "pata_imx"); - clk_register_clkdev(clk[can1_gate], NULL, "flexcan.0"); - clk_register_clkdev(clk[can2_gate], NULL, "flexcan.1"); - clk_register_clkdev(clk[cspi1_gate], "per", "imx35-cspi.0"); - clk_register_clkdev(clk[cspi1_gate], "ipg", "imx35-cspi.0"); - clk_register_clkdev(clk[cspi2_gate], "per", "imx35-cspi.1"); - clk_register_clkdev(clk[cspi2_gate], "ipg", "imx35-cspi.1"); - clk_register_clkdev(clk[epit1_gate], NULL, "imx-epit.0"); - clk_register_clkdev(clk[epit2_gate], NULL, "imx-epit.1"); - clk_register_clkdev(clk[esdhc1_gate], "per", "sdhci-esdhc-imx35.0"); - clk_register_clkdev(clk[ipg], "ipg", "sdhci-esdhc-imx35.0"); - clk_register_clkdev(clk[ahb], "ahb", "sdhci-esdhc-imx35.0"); - clk_register_clkdev(clk[esdhc2_gate], "per", "sdhci-esdhc-imx35.1"); - clk_register_clkdev(clk[ipg], "ipg", "sdhci-esdhc-imx35.1"); - clk_register_clkdev(clk[ahb], "ahb", "sdhci-esdhc-imx35.1"); - clk_register_clkdev(clk[esdhc3_gate], "per", "sdhci-esdhc-imx35.2"); - clk_register_clkdev(clk[ipg], "ipg", "sdhci-esdhc-imx35.2"); - clk_register_clkdev(clk[ahb], "ahb", "sdhci-esdhc-imx35.2"); - /* i.mx35 has the i.mx27 type fec */ - clk_register_clkdev(clk[fec_gate], NULL, "imx27-fec.0"); - clk_register_clkdev(clk[gpt_gate], "per", "imx-gpt.0"); - clk_register_clkdev(clk[ipg], "ipg", "imx-gpt.0"); - clk_register_clkdev(clk[i2c1_gate], NULL, "imx21-i2c.0"); - clk_register_clkdev(clk[i2c2_gate], NULL, "imx21-i2c.1"); - clk_register_clkdev(clk[i2c3_gate], NULL, "imx21-i2c.2"); - clk_register_clkdev(clk[ipu_gate], NULL, "ipu-core"); - clk_register_clkdev(clk[ipu_gate], NULL, "mx3_sdc_fb"); - clk_register_clkdev(clk[kpp_gate], NULL, "imx-keypad"); - clk_register_clkdev(clk[owire_gate], NULL, "mxc_w1"); - clk_register_clkdev(clk[sdma_gate], NULL, "imx35-sdma"); - clk_register_clkdev(clk[ssi1_gate], NULL, "imx-ssi.0"); - clk_register_clkdev(clk[ssi2_gate], NULL, "imx-ssi.1"); - /* i.mx35 has the i.mx21 type uart */ - clk_register_clkdev(clk[uart1_gate], "per", "imx21-uart.0"); - clk_register_clkdev(clk[ipg], "ipg", "imx21-uart.0"); - clk_register_clkdev(clk[uart2_gate], "per", "imx21-uart.1"); - clk_register_clkdev(clk[ipg], "ipg", "imx21-uart.1"); - clk_register_clkdev(clk[uart3_gate], "per", "imx21-uart.2"); - clk_register_clkdev(clk[ipg], "ipg", "imx21-uart.2"); - clk_register_clkdev(clk[usb_div], "per", "mxc-ehci.0"); - clk_register_clkdev(clk[ipg], "ipg", "mxc-ehci.0"); - clk_register_clkdev(clk[usbotg_gate], "ahb", "mxc-ehci.0"); - clk_register_clkdev(clk[usb_div], "per", "mxc-ehci.1"); - clk_register_clkdev(clk[ipg], "ipg", "mxc-ehci.1"); - clk_register_clkdev(clk[usbotg_gate], "ahb", "mxc-ehci.1"); - clk_register_clkdev(clk[usb_div], "per", "mxc-ehci.2"); - clk_register_clkdev(clk[ipg], "ipg", "mxc-ehci.2"); - clk_register_clkdev(clk[usbotg_gate], "ahb", "mxc-ehci.2"); - clk_register_clkdev(clk[usb_div], "per", "imx-udc-mx27"); - clk_register_clkdev(clk[ipg], "ipg", "imx-udc-mx27"); - clk_register_clkdev(clk[usbotg_gate], "ahb", "imx-udc-mx27"); - clk_register_clkdev(clk[wdog_gate], NULL, "imx2-wdt.0"); - clk_register_clkdev(clk[nfc_div], NULL, "imx25-nand.0"); - clk_register_clkdev(clk[csi_gate], NULL, "mx3-camera.0"); - clk_register_clkdev(clk[admux_gate], "audmux", NULL); - - clk_prepare_enable(clk[spba_gate]); - clk_prepare_enable(clk[gpio1_gate]); - clk_prepare_enable(clk[gpio2_gate]); - clk_prepare_enable(clk[gpio3_gate]); - clk_prepare_enable(clk[iim_gate]); - clk_prepare_enable(clk[emi_gate]); - clk_prepare_enable(clk[max_gate]); - clk_prepare_enable(clk[iomuxc_gate]); - - /* - * SCC is needed to boot via mmc after a watchdog reset. The clock code - * before conversion to common clk also enabled UART1 (which isn't - * handled here and not needed for mmc) and IIM (which is enabled - * unconditionally above). - */ - clk_prepare_enable(clk[scc_gate]); - - imx_print_silicon_rev("i.MX35", mx35_revision()); - -#ifdef CONFIG_MXC_USE_EPIT - epit_timer_init(MX35_IO_ADDRESS(MX35_EPIT1_BASE_ADDR), MX35_INT_EPIT1); -#else - mxc_timer_init(MX35_GPT1_BASE_ADDR, MX35_INT_GPT); -#endif - - return 0; -} - -static void __init mx35_clocks_init_dt(struct device_node *ccm_node) -{ - clk_data.clks = clk; - clk_data.clk_num = ARRAY_SIZE(clk); - of_clk_add_provider(ccm_node, of_clk_src_onecell_get, &clk_data); - - mx35_clocks_init(); -} -CLK_OF_DECLARE(imx35, "fsl,imx35-ccm", mx35_clocks_init_dt); |