79b39f7918
As the wl12xx bindings are still pending, this way we can get things working for omap3 evm and zoom platforms. Signed-off-by: Tony Lindgren <tony@atomide.com>
174 lines
4.1 KiB
C
174 lines
4.1 KiB
C
/*
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* Legacy platform_data quirks
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*
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* Copyright (C) 2013 Texas Instruments
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#include <linux/clk.h>
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#include <linux/gpio.h>
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#include <linux/init.h>
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#include <linux/kernel.h>
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#include <linux/of_platform.h>
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#include <linux/wl12xx.h>
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#include <linux/platform_data/pinctrl-single.h>
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#include "common.h"
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#include "common-board-devices.h"
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#include "dss-common.h"
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#include "control.h"
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struct pdata_init {
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const char *compatible;
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void (*fn)(void);
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};
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/*
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* Create alias for USB host PHY clock.
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* Remove this when clock phandle can be provided via DT
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*/
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static void __init __used legacy_init_ehci_clk(char *clkname)
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{
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int ret;
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ret = clk_add_alias("main_clk", NULL, clkname, NULL);
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if (ret)
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pr_err("%s:Failed to add main_clk alias to %s :%d\n",
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__func__, clkname, ret);
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}
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#if IS_ENABLED(CONFIG_WL12XX)
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static struct wl12xx_platform_data wl12xx __initdata;
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static void __init __used legacy_init_wl12xx(unsigned ref_clock,
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unsigned tcxo_clock,
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int gpio)
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{
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int res;
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wl12xx.board_ref_clock = ref_clock;
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wl12xx.board_tcxo_clock = tcxo_clock;
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wl12xx.irq = gpio_to_irq(gpio);
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res = wl12xx_set_platform_data(&wl12xx);
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if (res) {
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pr_err("error setting wl12xx data: %d\n", res);
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return;
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}
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}
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#else
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static inline void legacy_init_wl12xx(unsigned ref_clock,
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unsigned tcxo_clock,
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int gpio)
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{
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}
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#endif
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#ifdef CONFIG_ARCH_OMAP3
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static void __init hsmmc2_internal_input_clk(void)
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{
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u32 reg;
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reg = omap_ctrl_readl(OMAP343X_CONTROL_DEVCONF1);
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reg |= OMAP2_MMCSDIO2ADPCLKISEL;
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omap_ctrl_writel(reg, OMAP343X_CONTROL_DEVCONF1);
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}
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static void __init omap3_igep0020_legacy_init(void)
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{
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omap3_igep2_display_init_of();
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}
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static void __init omap3_evm_legacy_init(void)
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{
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legacy_init_wl12xx(WL12XX_REFCLOCK_38, 0, 149);
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}
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static void __init omap3_zoom_legacy_init(void)
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{
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legacy_init_wl12xx(WL12XX_REFCLOCK_26, 0, 162);
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}
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#endif /* CONFIG_ARCH_OMAP3 */
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#ifdef CONFIG_ARCH_OMAP4
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static void __init omap4_sdp_legacy_init(void)
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{
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omap_4430sdp_display_init_of();
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legacy_init_wl12xx(WL12XX_REFCLOCK_26,
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WL12XX_TCXOCLOCK_26, 53);
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}
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static void __init omap4_panda_legacy_init(void)
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{
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omap4_panda_display_init_of();
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legacy_init_ehci_clk("auxclk3_ck");
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legacy_init_wl12xx(WL12XX_REFCLOCK_38, 0, 53);
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}
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#endif
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#ifdef CONFIG_SOC_OMAP5
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static void __init omap5_uevm_legacy_init(void)
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{
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legacy_init_ehci_clk("auxclk1_ck");
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}
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#endif
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static struct pcs_pdata pcs_pdata;
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void omap_pcs_legacy_init(int irq, void (*rearm)(void))
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{
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pcs_pdata.irq = irq;
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pcs_pdata.rearm = rearm;
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}
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struct of_dev_auxdata omap_auxdata_lookup[] __initdata = {
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#ifdef CONFIG_ARCH_OMAP3
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OF_DEV_AUXDATA("ti,omap3-padconf", 0x48002030, "48002030.pinmux", &pcs_pdata),
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OF_DEV_AUXDATA("ti,omap3-padconf", 0x48002a00, "48002a00.pinmux", &pcs_pdata),
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#endif
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#ifdef CONFIG_ARCH_OMAP4
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OF_DEV_AUXDATA("ti,omap4-padconf", 0x4a100040, "4a100040.pinmux", &pcs_pdata),
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OF_DEV_AUXDATA("ti,omap4-padconf", 0x4a31e040, "4a31e040.pinmux", &pcs_pdata),
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#endif
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{ /* sentinel */ },
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};
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static struct pdata_init pdata_quirks[] __initdata = {
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#ifdef CONFIG_ARCH_OMAP3
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{ "nokia,omap3-n9", hsmmc2_internal_input_clk, },
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{ "nokia,omap3-n950", hsmmc2_internal_input_clk, },
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{ "isee,omap3-igep0020", omap3_igep0020_legacy_init, },
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{ "ti,omap3-evm-37xx", omap3_evm_legacy_init, },
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{ "ti,omap3-zoom3", omap3_zoom_legacy_init, },
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#endif
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#ifdef CONFIG_ARCH_OMAP4
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{ "ti,omap4-sdp", omap4_sdp_legacy_init, },
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{ "ti,omap4-panda", omap4_panda_legacy_init, },
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#endif
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#ifdef CONFIG_SOC_OMAP5
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{ "ti,omap5-uevm", omap5_uevm_legacy_init, },
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#endif
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{ /* sentinel */ },
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};
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void __init pdata_quirks_init(struct of_device_id *omap_dt_match_table)
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{
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struct pdata_init *quirks = pdata_quirks;
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omap_sdrc_init(NULL, NULL);
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of_platform_populate(NULL, omap_dt_match_table,
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omap_auxdata_lookup, NULL);
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while (quirks->compatible) {
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if (of_machine_is_compatible(quirks->compatible)) {
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if (quirks->fn)
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quirks->fn();
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break;
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}
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quirks++;
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}
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}
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