2 * Legacy platform_data quirks
4 * Copyright (C) 2013 Texas Instruments
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
10 #include <linux/clk.h>
11 #include <linux/davinci_emac.h>
12 #include <linux/gpio.h>
13 #include <linux/init.h>
14 #include <linux/kernel.h>
15 #include <linux/of_platform.h>
16 #include <linux/wl12xx.h>
18 #include <linux/platform_data/pinctrl-single.h>
19 #include <linux/platform_data/iommu-omap.h>
23 #include "common-board-devices.h"
24 #include "dss-common.h"
26 #include "omap_device.h"
27 #include "omap-secure.h"
31 const char *compatible;
35 struct of_dev_auxdata omap_auxdata_lookup[];
36 static struct twl4030_gpio_platform_data twl_gpio_auxdata;
38 #if IS_ENABLED(CONFIG_WL12XX)
40 static struct wl12xx_platform_data wl12xx __initdata;
42 static void __init __used legacy_init_wl12xx(unsigned ref_clock,
48 wl12xx.board_ref_clock = ref_clock;
49 wl12xx.board_tcxo_clock = tcxo_clock;
50 wl12xx.irq = gpio_to_irq(gpio);
52 res = wl12xx_set_platform_data(&wl12xx);
54 pr_err("error setting wl12xx data: %d\n", res);
59 static inline void legacy_init_wl12xx(unsigned ref_clock,
66 #ifdef CONFIG_MACH_NOKIA_N8X0
67 static void __init omap2420_n8x0_legacy_init(void)
69 omap_auxdata_lookup[0].platform_data = n8x0_legacy_init();
72 #define omap2420_n8x0_legacy_init NULL
75 #ifdef CONFIG_ARCH_OMAP3
76 static void __init hsmmc2_internal_input_clk(void)
80 reg = omap_ctrl_readl(OMAP343X_CONTROL_DEVCONF1);
81 reg |= OMAP2_MMCSDIO2ADPCLKISEL;
82 omap_ctrl_writel(reg, OMAP343X_CONTROL_DEVCONF1);
85 static struct iommu_platform_data omap3_iommu_pdata = {
87 .assert_reset = omap_device_assert_hardreset,
88 .deassert_reset = omap_device_deassert_hardreset,
91 static int omap3_sbc_t3730_twl_callback(struct device *dev,
97 res = gpio_request_one(gpio + 2, GPIOF_OUT_INIT_HIGH,
102 gpio_export(gpio, 0);
107 static void __init omap3_sbc_t3x_usb_hub_init(int gpio, char *hub_name)
109 int err = gpio_request_one(gpio, GPIOF_OUT_INIT_LOW, hub_name);
112 pr_err("SBC-T3x: %s reset gpio request failed: %d\n",
117 gpio_export(gpio, 0);
120 gpio_set_value(gpio, 1);
124 static void __init omap3_sbc_t3730_twl_init(void)
126 twl_gpio_auxdata.setup = omap3_sbc_t3730_twl_callback;
129 static void __init omap3_sbc_t3730_legacy_init(void)
131 omap3_sbc_t3x_usb_hub_init(167, "sb-t35 usb hub");
132 legacy_init_wl12xx(WL12XX_REFCLOCK_38, 0, 136);
133 omap_ads7846_init(1, 57, 0, NULL);
136 static void __init omap3_sbc_t3530_legacy_init(void)
138 omap3_sbc_t3x_usb_hub_init(167, "sb-t35 usb hub");
139 omap_ads7846_init(1, 57, 0, NULL);
142 static void __init omap3_igep0020_legacy_init(void)
146 static void __init omap3_evm_legacy_init(void)
148 legacy_init_wl12xx(WL12XX_REFCLOCK_38, 0, 149);
151 static void __init omap3_zoom_legacy_init(void)
153 legacy_init_wl12xx(WL12XX_REFCLOCK_26, 0, 162);
156 static void am35xx_enable_emac_int(void)
160 v = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR);
161 v |= (AM35XX_CPGMAC_C0_RX_PULSE_CLR | AM35XX_CPGMAC_C0_TX_PULSE_CLR |
162 AM35XX_CPGMAC_C0_MISC_PULSE_CLR | AM35XX_CPGMAC_C0_RX_THRESH_CLR);
163 omap_ctrl_writel(v, AM35XX_CONTROL_LVL_INTR_CLEAR);
164 omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); /* OCP barrier */
167 static void am35xx_disable_emac_int(void)
171 v = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR);
172 v |= (AM35XX_CPGMAC_C0_RX_PULSE_CLR | AM35XX_CPGMAC_C0_TX_PULSE_CLR);
173 omap_ctrl_writel(v, AM35XX_CONTROL_LVL_INTR_CLEAR);
174 omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); /* OCP barrier */
177 static struct emac_platform_data am35xx_emac_pdata = {
178 .interrupt_enable = am35xx_enable_emac_int,
179 .interrupt_disable = am35xx_disable_emac_int,
182 static void __init am35xx_emac_reset(void)
186 v = omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET);
187 v &= ~AM35XX_CPGMACSS_SW_RST;
188 omap_ctrl_writel(v, AM35XX_CONTROL_IP_SW_RESET);
189 omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET); /* OCP barrier */
192 static struct gpio cm_t3517_wlan_gpios[] __initdata = {
193 { 56, GPIOF_OUT_INIT_HIGH, "wlan pwr" },
194 { 4, GPIOF_OUT_INIT_HIGH, "xcvr noe" },
197 static void __init omap3_sbc_t3517_wifi_init(void)
199 int err = gpio_request_array(cm_t3517_wlan_gpios,
200 ARRAY_SIZE(cm_t3517_wlan_gpios));
202 pr_err("SBC-T3517: wl12xx gpios request failed: %d\n", err);
206 gpio_export(cm_t3517_wlan_gpios[0].gpio, 0);
207 gpio_export(cm_t3517_wlan_gpios[1].gpio, 0);
210 gpio_set_value(cm_t3517_wlan_gpios[1].gpio, 0);
213 static void __init omap3_sbc_t3517_legacy_init(void)
215 omap3_sbc_t3x_usb_hub_init(152, "cm-t3517 usb hub");
216 omap3_sbc_t3x_usb_hub_init(98, "sb-t35 usb hub");
218 hsmmc2_internal_input_clk();
219 omap3_sbc_t3517_wifi_init();
220 legacy_init_wl12xx(WL12XX_REFCLOCK_38, 0, 145);
221 omap_ads7846_init(1, 57, 0, NULL);
224 static void __init am3517_evm_legacy_init(void)
229 static struct platform_device omap3_rom_rng_device = {
230 .name = "omap3-rom-rng",
233 .platform_data = rx51_secure_rng_call,
237 static void __init nokia_n900_legacy_init(void)
239 hsmmc2_internal_input_clk();
241 if (omap_type() == OMAP2_DEVICE_TYPE_SEC) {
242 if (IS_ENABLED(CONFIG_ARM_ERRATA_430973)) {
243 pr_info("RX-51: Enabling ARM errata 430973 workaround\n");
245 rx51_secure_update_aux_cr(BIT(6), 0);
247 pr_warn("RX-51: Not enabling ARM errata 430973 workaround\n");
248 pr_warn("Thumb binaries may crash randomly without this workaround\n");
251 pr_info("RX-51: Registring OMAP3 HWRNG device\n");
252 platform_device_register(&omap3_rom_rng_device);
256 /* Only on some development boards */
257 gpio_request_one(164, GPIOF_OUT_INIT_LOW, "smc91x reset");
260 static void __init omap3_tao3530_legacy_init(void)
262 hsmmc2_internal_input_clk();
264 #endif /* CONFIG_ARCH_OMAP3 */
266 #ifdef CONFIG_ARCH_OMAP4
267 static void __init omap4_sdp_legacy_init(void)
269 legacy_init_wl12xx(WL12XX_REFCLOCK_26,
270 WL12XX_TCXOCLOCK_26, 53);
273 static void __init omap4_panda_legacy_init(void)
275 legacy_init_wl12xx(WL12XX_REFCLOCK_38, 0, 53);
278 static void __init var_som_om44_legacy_init(void)
280 legacy_init_wl12xx(WL12XX_REFCLOCK_38, 0, 41);
284 #if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5)
285 static struct iommu_platform_data omap4_iommu_pdata = {
286 .reset_name = "mmu_cache",
287 .assert_reset = omap_device_assert_hardreset,
288 .deassert_reset = omap_device_deassert_hardreset,
292 #ifdef CONFIG_SOC_AM33XX
293 static void __init am335x_evmsk_legacy_init(void)
295 legacy_init_wl12xx(WL12XX_REFCLOCK_38, 0, 31);
299 #ifdef CONFIG_SOC_OMAP5
300 static void __init omap5_uevm_legacy_init(void)
305 static struct pcs_pdata pcs_pdata;
307 void omap_pcs_legacy_init(int irq, void (*rearm)(void))
310 pcs_pdata.rearm = rearm;
314 * GPIOs for TWL are initialized by the I2C bus and need custom
315 * handing until DSS has device tree bindings.
317 void omap_auxdata_legacy_init(struct device *dev)
319 if (dev->platform_data)
322 if (strcmp("twl4030-gpio", dev_name(dev)))
325 dev->platform_data = &twl_gpio_auxdata;
329 * Few boards still need auxdata populated before we populate
330 * the dev entries in of_platform_populate().
332 static struct pdata_init auxdata_quirks[] __initdata = {
333 #ifdef CONFIG_SOC_OMAP2420
334 { "nokia,n800", omap2420_n8x0_legacy_init, },
335 { "nokia,n810", omap2420_n8x0_legacy_init, },
336 { "nokia,n810-wimax", omap2420_n8x0_legacy_init, },
338 #ifdef CONFIG_ARCH_OMAP3
339 { "compulab,omap3-sbc-t3730", omap3_sbc_t3730_twl_init, },
344 struct of_dev_auxdata omap_auxdata_lookup[] __initdata = {
345 #ifdef CONFIG_MACH_NOKIA_N8X0
346 OF_DEV_AUXDATA("ti,omap2420-mmc", 0x4809c000, "mmci-omap.0", NULL),
347 OF_DEV_AUXDATA("menelaus", 0x72, "1-0072", &n8x0_menelaus_platform_data),
348 OF_DEV_AUXDATA("tlv320aic3x", 0x18, "2-0018", &n810_aic33_data),
350 #ifdef CONFIG_ARCH_OMAP3
351 OF_DEV_AUXDATA("ti,omap3-padconf", 0x48002030, "48002030.pinmux", &pcs_pdata),
352 OF_DEV_AUXDATA("ti,omap3-padconf", 0x480025a0, "480025a0.pinmux", &pcs_pdata),
353 OF_DEV_AUXDATA("ti,omap3-padconf", 0x48002a00, "48002a00.pinmux", &pcs_pdata),
354 OF_DEV_AUXDATA("ti,omap2-iommu", 0x5d000000, "5d000000.mmu",
357 OF_DEV_AUXDATA("ti,davinci_mdio", 0x5c030000, "davinci_mdio.0", NULL),
358 OF_DEV_AUXDATA("ti,am3517-emac", 0x5c000000, "davinci_emac.0",
361 #ifdef CONFIG_ARCH_OMAP4
362 OF_DEV_AUXDATA("ti,omap4-padconf", 0x4a100040, "4a100040.pinmux", &pcs_pdata),
363 OF_DEV_AUXDATA("ti,omap4-padconf", 0x4a31e040, "4a31e040.pinmux", &pcs_pdata),
365 #ifdef CONFIG_SOC_OMAP5
366 OF_DEV_AUXDATA("ti,omap5-padconf", 0x4a002840, "4a002840.pinmux", &pcs_pdata),
367 OF_DEV_AUXDATA("ti,omap5-padconf", 0x4ae0c840, "4ae0c840.pinmux", &pcs_pdata),
369 #ifdef CONFIG_SOC_DRA7XX
370 OF_DEV_AUXDATA("ti,dra7-padconf", 0x4a003400, "4a003400.pinmux", &pcs_pdata),
372 #ifdef CONFIG_SOC_AM43XX
373 OF_DEV_AUXDATA("ti,am437-padconf", 0x44e10800, "44e10800.pinmux", &pcs_pdata),
375 #if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5)
376 OF_DEV_AUXDATA("ti,omap4-iommu", 0x4a066000, "4a066000.mmu",
378 OF_DEV_AUXDATA("ti,omap4-iommu", 0x55082000, "55082000.mmu",
385 * Few boards still need to initialize some legacy devices with
386 * platform data until the drivers support device tree.
388 static struct pdata_init pdata_quirks[] __initdata = {
389 #ifdef CONFIG_ARCH_OMAP3
390 { "compulab,omap3-sbc-t3517", omap3_sbc_t3517_legacy_init, },
391 { "compulab,omap3-sbc-t3530", omap3_sbc_t3530_legacy_init, },
392 { "compulab,omap3-sbc-t3730", omap3_sbc_t3730_legacy_init, },
393 { "nokia,omap3-n900", nokia_n900_legacy_init, },
394 { "nokia,omap3-n9", hsmmc2_internal_input_clk, },
395 { "nokia,omap3-n950", hsmmc2_internal_input_clk, },
396 { "isee,omap3-igep0020", omap3_igep0020_legacy_init, },
397 { "ti,omap3-evm-37xx", omap3_evm_legacy_init, },
398 { "ti,omap3-zoom3", omap3_zoom_legacy_init, },
399 { "ti,am3517-evm", am3517_evm_legacy_init, },
400 { "technexion,omap3-tao3530", omap3_tao3530_legacy_init, },
402 #ifdef CONFIG_ARCH_OMAP4
403 { "ti,omap4-sdp", omap4_sdp_legacy_init, },
404 { "ti,omap4-panda", omap4_panda_legacy_init, },
405 { "variscite,var-dvk-om44", var_som_om44_legacy_init, },
406 { "variscite,var-stk-om44", var_som_om44_legacy_init, },
408 #ifdef CONFIG_SOC_AM33XX
409 { "ti,am335x-evmsk", am335x_evmsk_legacy_init, },
411 #ifdef CONFIG_SOC_OMAP5
412 { "ti,omap5-uevm", omap5_uevm_legacy_init, },
417 static void pdata_quirks_check(struct pdata_init *quirks)
419 while (quirks->compatible) {
420 if (of_machine_is_compatible(quirks->compatible)) {
429 void __init pdata_quirks_init(const struct of_device_id *omap_dt_match_table)
431 omap_sdrc_init(NULL, NULL);
432 pdata_quirks_check(auxdata_quirks);
433 of_platform_populate(NULL, omap_dt_match_table,
434 omap_auxdata_lookup, NULL);
435 pdata_quirks_check(pdata_quirks);