| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Sascha Hauer | 2764 | 86.27% | 1 | 4.76% |
| Alexander Stein | 98 | 3.06% | 1 | 4.76% |
| Shawn Guo | 83 | 2.59% | 6 | 28.57% |
| Alex Gershgorin | 74 | 2.31% | 1 | 4.76% |
| Steffen Trumtrar | 50 | 1.56% | 1 | 4.76% |
| Lucas Stach | 43 | 1.34% | 1 | 4.76% |
| Philippe Reynes | 36 | 1.12% | 1 | 4.76% |
| Uwe Kleine-König | 29 | 0.91% | 2 | 9.52% |
| Markus Pargmann | 12 | 0.37% | 1 | 4.76% |
| Fabio Estevam | 7 | 0.22% | 2 | 9.52% |
| Peter Chen | 3 | 0.09% | 1 | 4.76% |
| Alexander Shiyan | 2 | 0.06% | 1 | 4.76% |
| Alexander Kurz | 2 | 0.06% | 1 | 4.76% |
| Rob Herring | 1 | 0.03% | 1 | 4.76% |
| Total | 3204 | 21 |
/* * 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 <soc/imx/timer.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 { /* 0 */ ckih, mpll, ppll, mpll_075, arm, hsp, hsp_div, hsp_sel, ahb, /* 9 */ ipg, arm_per_div, ahb_per_div, ipg_per, uart_sel, uart_div, /* 15 */ esdhc_sel, esdhc1_div, esdhc2_div, esdhc3_div, spdif_sel, /* 20 */ spdif_div_pre, spdif_div_post, ssi_sel, ssi1_div_pre, /* 24 */ ssi1_div_post, ssi2_div_pre, ssi2_div_post, usb_sel, usb_div, /* 29 */ nfc_div, asrc_gate, pata_gate, audmux_gate, can1_gate, /* 34 */ can2_gate, cspi1_gate, cspi2_gate, ect_gate, edio_gate, /* 39 */ emi_gate, epit1_gate, epit2_gate, esai_gate, esdhc1_gate, /* 44 */ esdhc2_gate, esdhc3_gate, fec_gate, gpio1_gate, gpio2_gate, /* 49 */ gpio3_gate, gpt_gate, i2c1_gate, i2c2_gate, i2c3_gate, /* 54 */ iomuxc_gate, ipu_gate, kpp_gate, mlb_gate, mshc_gate, /* 59 */ owire_gate, pwm_gate, rngc_gate, rtc_gate, rtic_gate, scc_gate, /* 65 */ sdma_gate, spba_gate, spdif_gate, ssi1_gate, ssi2_gate, /* 70 */ uart1_gate, uart2_gate, uart3_gate, usbotg_gate, wdog_gate, /* 75 */ max_gate, admux_gate, csi_gate, csi_div, csi_sel, iim_gate, /* 81 */ gpu2d_gate, ckil, clk_max }; static struct clk *clk[clk_max]; static struct clk ** const uart_clks[] __initconst = { &clk[ipg], &clk[uart1_gate], &clk[uart2_gate], &clk[uart3_gate], NULL }; static void __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[ckil] = imx_clk_fixed("ckil", 32768); 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_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_register_uart_clocks(uart_clks); imx_print_silicon_rev("i.MX35", mx35_revision()); } int __init mx35_clocks_init(void) { _mx35_clocks_init(); 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"); /* i.mx35 has the i.mx21 type rtc */ clk_register_clkdev(clk[ckil], "ref", "imx21-rtc"); clk_register_clkdev(clk[rtc_gate], "ipg", "imx21-rtc"); 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); mxc_timer_init(MX35_GPT1_BASE_ADDR, MX35_INT_GPT, GPT_TYPE_IMX31); return 0; } static void __init mx35_clocks_init_dt(struct device_node *ccm_node) { _mx35_clocks_init(); clk_data.clks = clk; clk_data.clk_num = ARRAY_SIZE(clk); of_clk_add_provider(ccm_node, of_clk_src_onecell_get, &clk_data); } CLK_OF_DECLARE(imx35, "fsl,imx35-ccm", mx35_clocks_init_dt);
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