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/ti_wilink_st.h>
17 #include <linux/wl12xx.h>
19 #include <linux/platform_data/pinctrl-single.h>
20 #include <linux/platform_data/iommu-omap.h>
24 #include "common-board-devices.h"
25 #include "dss-common.h"
27 #include "omap_device.h"
28 #include "omap-secure.h"
32 const char *compatible;
36 struct of_dev_auxdata omap_auxdata_lookup[];
37 static struct twl4030_gpio_platform_data twl_gpio_auxdata;
39 #if IS_ENABLED(CONFIG_WL12XX)
41 static struct wl12xx_platform_data wl12xx __initdata;
43 static void __init __used legacy_init_wl12xx(unsigned ref_clock,
49 wl12xx.board_ref_clock = ref_clock;
50 wl12xx.board_tcxo_clock = tcxo_clock;
51 wl12xx.irq = gpio_to_irq(gpio);
53 res = wl12xx_set_platform_data(&wl12xx);
55 pr_err("error setting wl12xx data: %d\n", res);
60 static inline void legacy_init_wl12xx(unsigned ref_clock,
67 #ifdef CONFIG_MACH_NOKIA_N8X0
68 static void __init omap2420_n8x0_legacy_init(void)
70 omap_auxdata_lookup[0].platform_data = n8x0_legacy_init();
73 #define omap2420_n8x0_legacy_init NULL
76 #ifdef CONFIG_ARCH_OMAP3
77 static void __init hsmmc2_internal_input_clk(void)
81 reg = omap_ctrl_readl(OMAP343X_CONTROL_DEVCONF1);
82 reg |= OMAP2_MMCSDIO2ADPCLKISEL;
83 omap_ctrl_writel(reg, OMAP343X_CONTROL_DEVCONF1);
86 static struct iommu_platform_data omap3_iommu_pdata = {
88 .assert_reset = omap_device_assert_hardreset,
89 .deassert_reset = omap_device_deassert_hardreset,
92 static int omap3_sbc_t3730_twl_callback(struct device *dev,
98 res = gpio_request_one(gpio + 2, GPIOF_OUT_INIT_HIGH,
103 gpio_export(gpio, 0);
108 static void __init omap3_sbc_t3x_usb_hub_init(int gpio, char *hub_name)
110 int err = gpio_request_one(gpio, GPIOF_OUT_INIT_LOW, hub_name);
113 pr_err("SBC-T3x: %s reset gpio request failed: %d\n",
118 gpio_export(gpio, 0);
121 gpio_set_value(gpio, 1);
125 static void __init omap3_sbc_t3730_twl_init(void)
127 twl_gpio_auxdata.setup = omap3_sbc_t3730_twl_callback;
130 static void __init omap3_sbc_t3730_legacy_init(void)
132 omap3_sbc_t3x_usb_hub_init(167, "sb-t35 usb hub");
133 legacy_init_wl12xx(WL12XX_REFCLOCK_38, 0, 136);
136 static void __init omap3_sbc_t3530_legacy_init(void)
138 omap3_sbc_t3x_usb_hub_init(167, "sb-t35 usb hub");
141 struct ti_st_plat_data wilink_pdata = {
142 .nshutdown_gpio = 137,
143 .dev_name = "/dev/ttyO1",
148 static struct platform_device wl18xx_device = {
152 .platform_data = &wilink_pdata,
156 static struct platform_device btwilink_device = {
161 static void __init omap3_igep0020_rev_f_legacy_init(void)
163 legacy_init_wl12xx(0, 0, 177);
164 platform_device_register(&wl18xx_device);
165 platform_device_register(&btwilink_device);
168 static void __init omap3_igep0030_rev_g_legacy_init(void)
170 legacy_init_wl12xx(0, 0, 136);
171 platform_device_register(&wl18xx_device);
172 platform_device_register(&btwilink_device);
175 static void __init omap3_evm_legacy_init(void)
177 legacy_init_wl12xx(WL12XX_REFCLOCK_38, 0, 149);
180 static void __init omap3_zoom_legacy_init(void)
182 legacy_init_wl12xx(WL12XX_REFCLOCK_26, 0, 162);
185 static void am35xx_enable_emac_int(void)
189 v = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR);
190 v |= (AM35XX_CPGMAC_C0_RX_PULSE_CLR | AM35XX_CPGMAC_C0_TX_PULSE_CLR |
191 AM35XX_CPGMAC_C0_MISC_PULSE_CLR | AM35XX_CPGMAC_C0_RX_THRESH_CLR);
192 omap_ctrl_writel(v, AM35XX_CONTROL_LVL_INTR_CLEAR);
193 omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); /* OCP barrier */
196 static void am35xx_disable_emac_int(void)
200 v = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR);
201 v |= (AM35XX_CPGMAC_C0_RX_PULSE_CLR | AM35XX_CPGMAC_C0_TX_PULSE_CLR);
202 omap_ctrl_writel(v, AM35XX_CONTROL_LVL_INTR_CLEAR);
203 omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); /* OCP barrier */
206 static struct emac_platform_data am35xx_emac_pdata = {
207 .interrupt_enable = am35xx_enable_emac_int,
208 .interrupt_disable = am35xx_disable_emac_int,
211 static void __init am35xx_emac_reset(void)
215 v = omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET);
216 v &= ~AM35XX_CPGMACSS_SW_RST;
217 omap_ctrl_writel(v, AM35XX_CONTROL_IP_SW_RESET);
218 omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET); /* OCP barrier */
221 static struct gpio cm_t3517_wlan_gpios[] __initdata = {
222 { 56, GPIOF_OUT_INIT_HIGH, "wlan pwr" },
223 { 4, GPIOF_OUT_INIT_HIGH, "xcvr noe" },
226 static void __init omap3_sbc_t3517_wifi_init(void)
228 int err = gpio_request_array(cm_t3517_wlan_gpios,
229 ARRAY_SIZE(cm_t3517_wlan_gpios));
231 pr_err("SBC-T3517: wl12xx gpios request failed: %d\n", err);
235 gpio_export(cm_t3517_wlan_gpios[0].gpio, 0);
236 gpio_export(cm_t3517_wlan_gpios[1].gpio, 0);
239 gpio_set_value(cm_t3517_wlan_gpios[1].gpio, 0);
242 static void __init omap3_sbc_t3517_legacy_init(void)
244 omap3_sbc_t3x_usb_hub_init(152, "cm-t3517 usb hub");
245 omap3_sbc_t3x_usb_hub_init(98, "sb-t35 usb hub");
247 hsmmc2_internal_input_clk();
248 omap3_sbc_t3517_wifi_init();
249 legacy_init_wl12xx(WL12XX_REFCLOCK_38, 0, 145);
252 static void __init am3517_evm_legacy_init(void)
257 static struct platform_device omap3_rom_rng_device = {
258 .name = "omap3-rom-rng",
261 .platform_data = rx51_secure_rng_call,
265 static void __init nokia_n900_legacy_init(void)
267 hsmmc2_internal_input_clk();
269 if (omap_type() == OMAP2_DEVICE_TYPE_SEC) {
270 if (IS_ENABLED(CONFIG_ARM_ERRATA_430973)) {
271 pr_info("RX-51: Enabling ARM errata 430973 workaround\n");
273 rx51_secure_update_aux_cr(BIT(6), 0);
275 pr_warn("RX-51: Not enabling ARM errata 430973 workaround\n");
276 pr_warn("Thumb binaries may crash randomly without this workaround\n");
279 pr_info("RX-51: Registring OMAP3 HWRNG device\n");
280 platform_device_register(&omap3_rom_rng_device);
285 static void __init omap3_tao3530_legacy_init(void)
287 hsmmc2_internal_input_clk();
289 #endif /* CONFIG_ARCH_OMAP3 */
291 #ifdef CONFIG_ARCH_OMAP4
292 static void __init omap4_sdp_legacy_init(void)
294 legacy_init_wl12xx(WL12XX_REFCLOCK_26,
295 WL12XX_TCXOCLOCK_26, 53);
298 static void __init omap4_panda_legacy_init(void)
300 legacy_init_wl12xx(WL12XX_REFCLOCK_38, 0, 53);
303 static void __init var_som_om44_legacy_init(void)
305 legacy_init_wl12xx(WL12XX_REFCLOCK_38, 0, 41);
309 #if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5)
310 static struct iommu_platform_data omap4_iommu_pdata = {
311 .reset_name = "mmu_cache",
312 .assert_reset = omap_device_assert_hardreset,
313 .deassert_reset = omap_device_deassert_hardreset,
317 #ifdef CONFIG_SOC_AM33XX
318 static void __init am335x_evmsk_legacy_init(void)
320 legacy_init_wl12xx(WL12XX_REFCLOCK_38, 0, 31);
324 #ifdef CONFIG_SOC_OMAP5
325 static void __init omap5_uevm_legacy_init(void)
330 static struct pcs_pdata pcs_pdata;
332 void omap_pcs_legacy_init(int irq, void (*rearm)(void))
335 pcs_pdata.rearm = rearm;
339 * GPIOs for TWL are initialized by the I2C bus and need custom
340 * handing until DSS has device tree bindings.
342 void omap_auxdata_legacy_init(struct device *dev)
344 if (dev->platform_data)
347 if (strcmp("twl4030-gpio", dev_name(dev)))
350 dev->platform_data = &twl_gpio_auxdata;
354 * Few boards still need auxdata populated before we populate
355 * the dev entries in of_platform_populate().
357 static struct pdata_init auxdata_quirks[] __initdata = {
358 #ifdef CONFIG_SOC_OMAP2420
359 { "nokia,n800", omap2420_n8x0_legacy_init, },
360 { "nokia,n810", omap2420_n8x0_legacy_init, },
361 { "nokia,n810-wimax", omap2420_n8x0_legacy_init, },
363 #ifdef CONFIG_ARCH_OMAP3
364 { "compulab,omap3-sbc-t3730", omap3_sbc_t3730_twl_init, },
369 struct of_dev_auxdata omap_auxdata_lookup[] __initdata = {
370 #ifdef CONFIG_MACH_NOKIA_N8X0
371 OF_DEV_AUXDATA("ti,omap2420-mmc", 0x4809c000, "mmci-omap.0", NULL),
372 OF_DEV_AUXDATA("menelaus", 0x72, "1-0072", &n8x0_menelaus_platform_data),
373 OF_DEV_AUXDATA("tlv320aic3x", 0x18, "2-0018", &n810_aic33_data),
375 #ifdef CONFIG_ARCH_OMAP3
376 OF_DEV_AUXDATA("ti,omap3-padconf", 0x48002030, "48002030.pinmux", &pcs_pdata),
377 OF_DEV_AUXDATA("ti,omap3-padconf", 0x480025a0, "480025a0.pinmux", &pcs_pdata),
378 OF_DEV_AUXDATA("ti,omap3-padconf", 0x48002a00, "48002a00.pinmux", &pcs_pdata),
379 OF_DEV_AUXDATA("ti,omap2-iommu", 0x5d000000, "5d000000.mmu",
382 OF_DEV_AUXDATA("ti,davinci_mdio", 0x5c030000, "davinci_mdio.0", NULL),
383 OF_DEV_AUXDATA("ti,am3517-emac", 0x5c000000, "davinci_emac.0",
386 #ifdef CONFIG_ARCH_OMAP4
387 OF_DEV_AUXDATA("ti,omap4-padconf", 0x4a100040, "4a100040.pinmux", &pcs_pdata),
388 OF_DEV_AUXDATA("ti,omap4-padconf", 0x4a31e040, "4a31e040.pinmux", &pcs_pdata),
390 #ifdef CONFIG_SOC_OMAP5
391 OF_DEV_AUXDATA("ti,omap5-padconf", 0x4a002840, "4a002840.pinmux", &pcs_pdata),
392 OF_DEV_AUXDATA("ti,omap5-padconf", 0x4ae0c840, "4ae0c840.pinmux", &pcs_pdata),
394 #ifdef CONFIG_SOC_DRA7XX
395 OF_DEV_AUXDATA("ti,dra7-padconf", 0x4a003400, "4a003400.pinmux", &pcs_pdata),
397 #ifdef CONFIG_SOC_AM43XX
398 OF_DEV_AUXDATA("ti,am437-padconf", 0x44e10800, "44e10800.pinmux", &pcs_pdata),
400 #if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5)
401 OF_DEV_AUXDATA("ti,omap4-iommu", 0x4a066000, "4a066000.mmu",
403 OF_DEV_AUXDATA("ti,omap4-iommu", 0x55082000, "55082000.mmu",
410 * Few boards still need to initialize some legacy devices with
411 * platform data until the drivers support device tree.
413 static struct pdata_init pdata_quirks[] __initdata = {
414 #ifdef CONFIG_ARCH_OMAP3
415 { "compulab,omap3-sbc-t3517", omap3_sbc_t3517_legacy_init, },
416 { "compulab,omap3-sbc-t3530", omap3_sbc_t3530_legacy_init, },
417 { "compulab,omap3-sbc-t3730", omap3_sbc_t3730_legacy_init, },
418 { "nokia,omap3-n900", nokia_n900_legacy_init, },
419 { "nokia,omap3-n9", hsmmc2_internal_input_clk, },
420 { "nokia,omap3-n950", hsmmc2_internal_input_clk, },
421 { "isee,omap3-igep0020-rev-f", omap3_igep0020_rev_f_legacy_init, },
422 { "isee,omap3-igep0030-rev-g", omap3_igep0030_rev_g_legacy_init, },
423 { "ti,omap3-evm-37xx", omap3_evm_legacy_init, },
424 { "ti,omap3-zoom3", omap3_zoom_legacy_init, },
425 { "ti,am3517-evm", am3517_evm_legacy_init, },
426 { "technexion,omap3-tao3530", omap3_tao3530_legacy_init, },
428 #ifdef CONFIG_ARCH_OMAP4
429 { "ti,omap4-sdp", omap4_sdp_legacy_init, },
430 { "ti,omap4-panda", omap4_panda_legacy_init, },
431 { "variscite,var-dvk-om44", var_som_om44_legacy_init, },
432 { "variscite,var-stk-om44", var_som_om44_legacy_init, },
434 #ifdef CONFIG_SOC_AM33XX
435 { "ti,am335x-evmsk", am335x_evmsk_legacy_init, },
437 #ifdef CONFIG_SOC_OMAP5
438 { "ti,omap5-uevm", omap5_uevm_legacy_init, },
443 static void pdata_quirks_check(struct pdata_init *quirks)
445 while (quirks->compatible) {
446 if (of_machine_is_compatible(quirks->compatible)) {
455 void __init pdata_quirks_init(const struct of_device_id *omap_dt_match_table)
457 omap_sdrc_init(NULL, NULL);
458 pdata_quirks_check(auxdata_quirks);
459 of_platform_populate(NULL, omap_dt_match_table,
460 omap_auxdata_lookup, NULL);
461 pdata_quirks_check(pdata_quirks);