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authorKevin Hilman <khilman@linaro.org>2013-10-14 15:29:10 -0700
committerKevin Hilman <khilman@linaro.org>2013-10-14 15:29:24 -0700
commit7587b5965f57c1c4d6fd1377432a8473f5cd449a (patch)
tree85b7ced77656ac142369c6436df02b51d6d13527 /arch/arm/mach-omap2/pdata-quirks.c
parent6a9d10d529db69244baab335fb02caba3d6ebbc9 (diff)
parent8d71528343c69ce387bd5fdb4fd8dc2b9f69d97c (diff)
Merge tag 'omap-for-v3.13/quirk-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/dt
From Tony Lindgren: Changes needed to prepare for making omap3 device tree only: - Always build in board-generic, and add pdata quirks and auxdata support for it so we have all the pdata related quirks in the same place. - Merge of the drivers/pinctrl changes that are needed for PM to continue working on omap3 and also needed for other omaps eventually. The three pinctrl related patches have been acked by Linus Walleij and are pulled into both the pinctrl tree and this branch. - Few defconfig related changes for drivers needed. * tag 'omap-for-v3.13/quirk-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap: (523 commits) ARM: configs: omap2plus_defconfig: enable dwc3 and dependencies ARM: OMAP2+: Add WLAN modules and of_serial to omap2plus_defconfig ARM: OMAP2+: Run make savedefconfig on omap2plus_defconfig to shrink it ARM: OMAP2+: Add minimal 8250 support for GPMC ARM: OMAP2+: Use pdata quirks for wl12xx for omap3 evm and zoom3 ARM: OMAP: Move DT wake-up event handling over to use pinctrl-single-omap ARM: OMAP2+: Add support for auxdata pinctrl: single: Add support for auxdata pinctrl: single: Add support for wake-up interrupts pinctrl: single: Prepare for supporting SoC specific features ARM: OMAP2+: igep0020: use display init from dss-common ARM: OMAP2+: pdata-quirks: add legacy display init for IGEPv2 board +Linux 3.12-rc4 Signed-off-by: Kevin Hilman <khilman@linaro.org>
Diffstat (limited to 'arch/arm/mach-omap2/pdata-quirks.c')
-rw-r--r--arch/arm/mach-omap2/pdata-quirks.c174
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 00000000000..10c71450cf6
--- /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++;
+ }
+}