1 files changed, 174 insertions, 0 deletions

diff --git a/arch/arm/mach-omap2/pdata-quirks.c b/arch/arm/mach-omap2/pdata-quirks.c
new file mode 100644
index 000000000000..10c71450cf63
--- /dev/null
+++ b/arch/arm/mach-omap2/pdata-quirks.c
@@ -0,0 +1,174 @@
+/*
+ * Legacy platform_data quirks
+ *
+ * Copyright (C) 2013 Texas Instruments
+ *
+ * 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/clk.h>
+#include <linux/gpio.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/of_platform.h>
+#include <linux/wl12xx.h>
+
+#include <linux/platform_data/pinctrl-single.h>
+
+#include "common.h"
+#include "common-board-devices.h"
+#include "dss-common.h"
+#include "control.h"
+
+struct pdata_init {
+        const char *compatible;
+        void (*fn)(void);
+};
+
+/*
+ * Create alias for USB host PHY clock.
+ * Remove this when clock phandle can be provided via DT
+ */
+static void __init __used legacy_init_ehci_clk(char *clkname)
+{
+        int ret;
+
+        ret = clk_add_alias("main_clk", NULL, clkname, NULL);
+        if (ret)
+                pr_err("%s:Failed to add main_clk alias to %s :%d\n",
+                       __func__, clkname, ret);
+}
+
+#if IS_ENABLED(CONFIG_WL12XX)
+
+static struct wl12xx_platform_data wl12xx __initdata;
+
+static void __init __used legacy_init_wl12xx(unsigned ref_clock,
+                                             unsigned tcxo_clock,
+                                             int gpio)
+{
+        int res;
+
+        wl12xx.board_ref_clock = ref_clock;
+        wl12xx.board_tcxo_clock = tcxo_clock;
+        wl12xx.irq = gpio_to_irq(gpio);
+
+        res = wl12xx_set_platform_data(&wl12xx);
+        if (res) {
+                pr_err("error setting wl12xx data: %d\n", res);
+                return;
+        }
+}
+#else
+static inline void legacy_init_wl12xx(unsigned ref_clock,
+                                      unsigned tcxo_clock,
+                                      int gpio)
+{
+}
+#endif
+
+#ifdef CONFIG_ARCH_OMAP3
+static void __init hsmmc2_internal_input_clk(void)
+{
+        u32 reg;
+
+        reg = omap_ctrl_readl(OMAP343X_CONTROL_DEVCONF1);
+        reg |= OMAP2_MMCSDIO2ADPCLKISEL;
+        omap_ctrl_writel(reg, OMAP343X_CONTROL_DEVCONF1);
+}
+
+static void __init omap3_igep0020_legacy_init(void)
+{
+        omap3_igep2_display_init_of();
+}
+
+static void __init omap3_evm_legacy_init(void)
+{
+        legacy_init_wl12xx(WL12XX_REFCLOCK_38, 0, 149);
+}
+
+static void __init omap3_zoom_legacy_init(void)
+{
+        legacy_init_wl12xx(WL12XX_REFCLOCK_26, 0, 162);
+}
+#endif /* CONFIG_ARCH_OMAP3 */
+
+#ifdef CONFIG_ARCH_OMAP4
+static void __init omap4_sdp_legacy_init(void)
+{
+        omap_4430sdp_display_init_of();
+        legacy_init_wl12xx(WL12XX_REFCLOCK_26,
+                           WL12XX_TCXOCLOCK_26, 53);
+}
+
+static void __init omap4_panda_legacy_init(void)
+{
+        omap4_panda_display_init_of();
+        legacy_init_ehci_clk("auxclk3_ck");
+        legacy_init_wl12xx(WL12XX_REFCLOCK_38, 0, 53);
+}
+#endif
+
+#ifdef CONFIG_SOC_OMAP5
+static void __init omap5_uevm_legacy_init(void)
+{
+        legacy_init_ehci_clk("auxclk1_ck");
+}
+#endif
+
+static struct pcs_pdata pcs_pdata;
+
+void omap_pcs_legacy_init(int irq, void (*rearm)(void))
+{
+        pcs_pdata.irq = irq;
+        pcs_pdata.rearm = rearm;
+}
+
+struct of_dev_auxdata omap_auxdata_lookup[] __initdata = {
+#ifdef CONFIG_ARCH_OMAP3
+        OF_DEV_AUXDATA("ti,omap3-padconf", 0x48002030, "48002030.pinmux", &pcs_pdata),
+        OF_DEV_AUXDATA("ti,omap3-padconf", 0x48002a00, "48002a00.pinmux", &pcs_pdata),
+#endif
+#ifdef CONFIG_ARCH_OMAP4
+        OF_DEV_AUXDATA("ti,omap4-padconf", 0x4a100040, "4a100040.pinmux", &pcs_pdata),
+        OF_DEV_AUXDATA("ti,omap4-padconf", 0x4a31e040, "4a31e040.pinmux", &pcs_pdata),
+#endif
+        { /* sentinel */ },
+};
+
+static struct pdata_init pdata_quirks[] __initdata = {
+#ifdef CONFIG_ARCH_OMAP3
+        { "nokia,omap3-n9", hsmmc2_internal_input_clk, },
+        { "nokia,omap3-n950", hsmmc2_internal_input_clk, },
+        { "isee,omap3-igep0020", omap3_igep0020_legacy_init, },
+        { "ti,omap3-evm-37xx", omap3_evm_legacy_init, },
+        { "ti,omap3-zoom3", omap3_zoom_legacy_init, },
+#endif
+#ifdef CONFIG_ARCH_OMAP4
+        { "ti,omap4-sdp", omap4_sdp_legacy_init, },
+        { "ti,omap4-panda", omap4_panda_legacy_init, },
+#endif
+#ifdef CONFIG_SOC_OMAP5
+        { "ti,omap5-uevm", omap5_uevm_legacy_init, },
+#endif
+        { /* sentinel */ },
+};
+
+void __init pdata_quirks_init(struct of_device_id *omap_dt_match_table)
+{
+        struct pdata_init *quirks = pdata_quirks;
+
+        omap_sdrc_init(NULL, NULL);
+        of_platform_populate(NULL, omap_dt_match_table,
+                             omap_auxdata_lookup, NULL);
+
+        while (quirks->compatible) {
+                if (of_machine_is_compatible(quirks->compatible)) {
+                        if (quirks->fn)
+                                quirks->fn();
+                        break;
+                }
+                quirks++;
+        }
+}