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/gpio.h>
12 #include <linux/init.h>
13 #include <linux/kernel.h>
14 #include <linux/of_platform.h>
15 #include <linux/wl12xx.h>
17 #include <linux/platform_data/pinctrl-single.h>
20 #include "common-board-devices.h"
21 #include "dss-common.h"
25 const char *compatible;
29 struct of_dev_auxdata omap_auxdata_lookup[];
30 static struct twl4030_gpio_platform_data twl_gpio_auxdata;
33 * Create alias for USB host PHY clock.
34 * Remove this when clock phandle can be provided via DT
36 static void __init __used legacy_init_ehci_clk(char *clkname)
40 ret = clk_add_alias("main_clk", NULL, clkname, NULL);
42 pr_err("%s:Failed to add main_clk alias to %s :%d\n",
43 __func__, clkname, ret);
46 #if IS_ENABLED(CONFIG_WL12XX)
48 static struct wl12xx_platform_data wl12xx __initdata;
50 static void __init __used legacy_init_wl12xx(unsigned ref_clock,
56 wl12xx.board_ref_clock = ref_clock;
57 wl12xx.board_tcxo_clock = tcxo_clock;
58 wl12xx.irq = gpio_to_irq(gpio);
60 res = wl12xx_set_platform_data(&wl12xx);
62 pr_err("error setting wl12xx data: %d\n", res);
67 static inline void legacy_init_wl12xx(unsigned ref_clock,
74 #ifdef CONFIG_MACH_NOKIA_N8X0
75 static void __init omap2420_n8x0_legacy_init(void)
77 omap_auxdata_lookup[0].platform_data = n8x0_legacy_init();
80 #define omap2420_n8x0_legacy_init NULL
83 #ifdef CONFIG_ARCH_OMAP3
84 static void __init hsmmc2_internal_input_clk(void)
88 reg = omap_ctrl_readl(OMAP343X_CONTROL_DEVCONF1);
89 reg |= OMAP2_MMCSDIO2ADPCLKISEL;
90 omap_ctrl_writel(reg, OMAP343X_CONTROL_DEVCONF1);
93 static void __init omap3_igep0020_legacy_init(void)
95 omap3_igep2_display_init_of();
98 static void __init omap3_evm_legacy_init(void)
100 legacy_init_wl12xx(WL12XX_REFCLOCK_38, 0, 149);
103 static void __init omap3_zoom_legacy_init(void)
105 legacy_init_wl12xx(WL12XX_REFCLOCK_26, 0, 162);
107 #endif /* CONFIG_ARCH_OMAP3 */
109 #ifdef CONFIG_ARCH_OMAP4
110 static void __init omap4_sdp_legacy_init(void)
112 omap_4430sdp_display_init_of();
113 legacy_init_wl12xx(WL12XX_REFCLOCK_26,
114 WL12XX_TCXOCLOCK_26, 53);
117 static void __init omap4_panda_legacy_init(void)
119 omap4_panda_display_init_of();
120 legacy_init_ehci_clk("auxclk3_ck");
121 legacy_init_wl12xx(WL12XX_REFCLOCK_38, 0, 53);
125 #ifdef CONFIG_SOC_OMAP5
126 static void __init omap5_uevm_legacy_init(void)
128 legacy_init_ehci_clk("auxclk1_ck");
132 static struct pcs_pdata pcs_pdata;
134 void omap_pcs_legacy_init(int irq, void (*rearm)(void))
137 pcs_pdata.rearm = rearm;
141 * GPIOs for TWL are initialized by the I2C bus and need custom
142 * handing until DSS has device tree bindings.
144 void omap_auxdata_legacy_init(struct device *dev)
146 if (dev->platform_data)
149 if (strcmp("twl4030-gpio", dev_name(dev)))
152 dev->platform_data = &twl_gpio_auxdata;
156 * Few boards still need auxdata populated before we populate
157 * the dev entries in of_platform_populate().
159 static struct pdata_init auxdata_quirks[] __initdata = {
160 #ifdef CONFIG_SOC_OMAP2420
161 { "nokia,n800", omap2420_n8x0_legacy_init, },
162 { "nokia,n810", omap2420_n8x0_legacy_init, },
163 { "nokia,n810-wimax", omap2420_n8x0_legacy_init, },
168 struct of_dev_auxdata omap_auxdata_lookup[] __initdata = {
169 #ifdef CONFIG_MACH_NOKIA_N8X0
170 OF_DEV_AUXDATA("ti,omap2420-mmc", 0x4809c000, "mmci-omap.0", NULL),
172 #ifdef CONFIG_ARCH_OMAP3
173 OF_DEV_AUXDATA("ti,omap3-padconf", 0x48002030, "48002030.pinmux", &pcs_pdata),
174 OF_DEV_AUXDATA("ti,omap3-padconf", 0x48002a00, "48002a00.pinmux", &pcs_pdata),
176 #ifdef CONFIG_ARCH_OMAP4
177 OF_DEV_AUXDATA("ti,omap4-padconf", 0x4a100040, "4a100040.pinmux", &pcs_pdata),
178 OF_DEV_AUXDATA("ti,omap4-padconf", 0x4a31e040, "4a31e040.pinmux", &pcs_pdata),
184 * Few boards still need to initialize some legacy devices with
185 * platform data until the drivers support device tree.
187 static struct pdata_init pdata_quirks[] __initdata = {
188 #ifdef CONFIG_ARCH_OMAP3
189 { "nokia,omap3-n900", hsmmc2_internal_input_clk, },
190 { "nokia,omap3-n9", hsmmc2_internal_input_clk, },
191 { "nokia,omap3-n950", hsmmc2_internal_input_clk, },
192 { "isee,omap3-igep0020", omap3_igep0020_legacy_init, },
193 { "ti,omap3-evm-37xx", omap3_evm_legacy_init, },
194 { "ti,omap3-zoom3", omap3_zoom_legacy_init, },
196 #ifdef CONFIG_ARCH_OMAP4
197 { "ti,omap4-sdp", omap4_sdp_legacy_init, },
198 { "ti,omap4-panda", omap4_panda_legacy_init, },
200 #ifdef CONFIG_SOC_OMAP5
201 { "ti,omap5-uevm", omap5_uevm_legacy_init, },
206 static void pdata_quirks_check(struct pdata_init *quirks)
208 while (quirks->compatible) {
209 if (of_machine_is_compatible(quirks->compatible)) {
218 void __init pdata_quirks_init(struct of_device_id *omap_dt_match_table)
220 omap_sdrc_init(NULL, NULL);
221 pdata_quirks_check(auxdata_quirks);
222 of_platform_populate(NULL, omap_dt_match_table,
223 omap_auxdata_lookup, NULL);
224 pdata_quirks_check(pdata_quirks);