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4 changes: 2 additions & 2 deletions
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patches/capebus/0002-omap-Export-omap_hwmod_lookup-omap_device_build-omap.patch
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patches/capebus/0004-tps65217-Allow-placement-elsewhere-than-parent-mfd-d.patch
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4 changes: 2 additions & 2 deletions
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patches/capebus/0006-i2c-Export-capability-to-probe-devices.patch
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patches/capebus/0008-spi-Export-OF-interfaces-for-capebus-use.patch
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patches/capebus/0010-w1-gpio-Simplify-get-rid-of-defines.patch
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patches/capebus/0012-ARM-CUSTOM-Build-a-uImage-with-dtb-already-appended.patch
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patches/capebus/0013-beaglebone-create-a-shared-dtsi-for-beaglebone-based.patch
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patches/capebus/0015-da8xx-dt-Create-da8xx-DT-adapter-device.patch
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Original file line number | Original file line | Diff line number | Diff line change |
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@@ -0,0 +1,236 @@ | |||
From 9134d736dc803f90c4f571f78bfa09f9ce2b8fb0 Mon Sep 17 00:00:00 2001 | |||
From: Pantelis Antoniou <panto@antoniou-consulting.com> | |||
Date: Thu, 1 Nov 2012 15:19:35 +0200 | |||
Subject: [PATCH 15/25] da8xx-dt: Create da8xx DT adapter device | |||
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|||
omap_device is going private. | |||
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|||
Move the da8xx-dt adapter device to arch/arm/mach-omap2. | |||
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|||
Signed-off-by: Pantelis Antoniou <panto@antoniou-consulting.com> | |||
--- | |||
arch/arm/mach-omap2/Makefile | 3 + | |||
arch/arm/mach-omap2/da8xx-dt.c | 197 ++++++++++++++++++++++++++++++++++++++++ | |||
2 files changed, 200 insertions(+), 0 deletions(-) | |||
create mode 100644 arch/arm/mach-omap2/da8xx-dt.c | |||
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|||
diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile | |||
index fe40d9e..3a9a0ff 100644 | |||
--- a/arch/arm/mach-omap2/Makefile | |||
+++ b/arch/arm/mach-omap2/Makefile | |||
@@ -200,6 +200,9 @@ ifneq ($(CONFIG_DRM_OMAP),) | |||
obj-y += drm.o | |||
endif | |||
|
|||
+# AM3XX Device Tree adapters for legacy drivers | |||
+obj-$(CONFIG_SOC_AM33XX) += da8xx-dt.o | |||
+ | |||
# Specific board support | |||
obj-$(CONFIG_MACH_OMAP_GENERIC) += board-generic.o | |||
obj-$(CONFIG_MACH_OMAP_H4) += board-h4.o | |||
diff --git a/arch/arm/mach-omap2/da8xx-dt.c b/arch/arm/mach-omap2/da8xx-dt.c | |||
new file mode 100644 | |||
index 0000000..d3c6f48 | |||
--- /dev/null | |||
+++ b/arch/arm/mach-omap2/da8xx-dt.c | |||
@@ -0,0 +1,197 @@ | |||
+/* | |||
+ * DA8XX-DT: Device tree adapter using the legacy driver | |||
+ * | |||
+ * Copyright (C) 2012 Pantelis Antoniou <panto@antoniou-consulting.com> | |||
+ * Copyright (C) 2012 Texas Instruments Inc. | |||
+ * | |||
+ * This program is free software; you can redistribute it and/or modify | |||
+ * it under the terms of the GNU General Public License as published by | |||
+ * the Free Software Foundation; either version 2 of the License, or | |||
+ * (at your option) any later version. | |||
+ * | |||
+ * This program is distributed in the hope that it will be useful, | |||
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of | |||
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |||
+ * GNU General Public License for more details. | |||
+ * | |||
+ * You should have received a copy of the GNU General Public License | |||
+ * along with this program; if not, write to the Free Software | |||
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |||
+ */ | |||
+ | |||
+#include <linux/module.h> | |||
+#include <linux/kernel.h> | |||
+#include <linux/errno.h> | |||
+#include <linux/init.h> | |||
+#include <linux/err.h> | |||
+#include <linux/of.h> | |||
+#include <linux/of_device.h> | |||
+#include <linux/of_gpio.h> | |||
+#include <video/da8xx-fb.h> | |||
+#include <linux/pinctrl/pinctrl.h> | |||
+#include <linux/pinctrl/pinmux.h> | |||
+#include <linux/pinctrl/consumer.h> | |||
+#include <linux/clk.h> | |||
+#include <plat/clock.h> | |||
+#include <plat/omap_device.h> | |||
+ | |||
+struct da8xx_priv { | |||
+ struct da8xx_lcdc_platform_data lcd_pdata; | |||
+ struct lcd_ctrl_config lcd_cfg; | |||
+ struct display_panel lcd_panel; | |||
+ struct platform_device *lcdc_pdev; | |||
+ struct omap_hwmod *lcdc_oh; | |||
+ struct resource lcdc_res[1]; | |||
+ int power_dn_gpio; | |||
+}; | |||
+ | |||
+static const struct of_device_id of_da8xx_dt_match[] = { | |||
+ { .compatible = "da8xx-dt", }, | |||
+ {}, | |||
+}; | |||
+ | |||
+static int __devinit da8xx_dt_probe(struct platform_device *pdev) | |||
+{ | |||
+ struct da8xx_priv *priv; | |||
+ struct clk *disp_pll; | |||
+ struct pinctrl *pinctrl; | |||
+ u32 disp_pll_val; | |||
+ const char *panel_type; | |||
+ int ret = -EINVAL; | |||
+ | |||
+ priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL); | |||
+ if (priv == NULL) { | |||
+ dev_err(&pdev->dev, "Failed to allocate priv\n"); | |||
+ return -ENOMEM; | |||
+ } | |||
+ priv->power_dn_gpio = -1; | |||
+ | |||
+ pinctrl = devm_pinctrl_get_select_default(&pdev->dev); | |||
+ if (IS_ERR(pinctrl)) | |||
+ dev_warn(&pdev->dev, | |||
+ "pins are not configured from the driver\n"); | |||
+ | |||
+ ret = of_property_read_u32(pdev->dev.of_node, "disp-pll", | |||
+ &disp_pll_val); | |||
+ if (ret != 0) { | |||
+ dev_err(&pdev->dev, "Failed to read disp-pll property\n"); | |||
+ return ret; | |||
+ } | |||
+ | |||
+ ret = of_property_read_string(pdev->dev.of_node, "panel-type", | |||
+ &panel_type); | |||
+ if (ret != 0) { | |||
+ dev_err(&pdev->dev, "Failed to read panel-type property\n"); | |||
+ return ret; | |||
+ } | |||
+ | |||
+ /* conf_disp_pll(disp_pll); */ | |||
+ disp_pll = clk_get(NULL, "dpll_disp_ck"); | |||
+ if (IS_ERR(disp_pll)) { | |||
+ dev_err(&pdev->dev, "Cannot clk_get disp_pll\n"); | |||
+ return PTR_ERR(disp_pll); | |||
+ } | |||
+ ret = clk_set_rate(disp_pll, disp_pll_val); | |||
+ clk_put(disp_pll); | |||
+ if (ret != 0) { | |||
+ dev_err(&pdev->dev, "Failed to set disp_pll\n"); | |||
+ return ret; | |||
+ } | |||
+ | |||
+ ret = of_get_named_gpio_flags(pdev->dev.of_node, "powerdn-gpio", | |||
+ 0, NULL); | |||
+ if (IS_ERR_VALUE(ret)) { | |||
+ dev_info(&pdev->dev, "No power down GPIO\n"); | |||
+ } else { | |||
+ priv->power_dn_gpio = ret; | |||
+ | |||
+ ret = devm_gpio_request(&pdev->dev, priv->power_dn_gpio, | |||
+ "da8xx-dt:PDN"); | |||
+ if (ret != 0) { | |||
+ dev_err(&pdev->dev, "Failed to gpio_request\n"); | |||
+ return ret; | |||
+ } | |||
+ | |||
+ ret = gpio_direction_output(priv->power_dn_gpio, 1); | |||
+ if (ret != 0) { | |||
+ dev_err(&pdev->dev, "Failed to set powerdn to 1\n"); | |||
+ return ret; | |||
+ } | |||
+ } | |||
+ | |||
+ /* display_panel */ | |||
+ priv->lcd_panel.panel_type = QVGA; | |||
+ priv->lcd_panel.max_bpp = 16; | |||
+ priv->lcd_panel.min_bpp = 16; | |||
+ priv->lcd_panel.panel_shade = COLOR_ACTIVE; | |||
+ | |||
+ /* lcd_ctrl_config */ | |||
+ priv->lcd_cfg.p_disp_panel = &priv->lcd_panel; | |||
+ priv->lcd_cfg.ac_bias = 255; | |||
+ priv->lcd_cfg.ac_bias_intrpt = 0; | |||
+ priv->lcd_cfg.dma_burst_sz = 16; | |||
+ priv->lcd_cfg.bpp = 16; | |||
+ priv->lcd_cfg.fdd = 0x80; | |||
+ priv->lcd_cfg.tft_alt_mode = 0; | |||
+ priv->lcd_cfg.stn_565_mode = 0; | |||
+ priv->lcd_cfg.mono_8bit_mode = 0; | |||
+ priv->lcd_cfg.invert_line_clock = 1; | |||
+ priv->lcd_cfg.invert_frm_clock = 1; | |||
+ priv->lcd_cfg.sync_edge = 0; | |||
+ priv->lcd_cfg.sync_ctrl = 1; | |||
+ priv->lcd_cfg.raster_order = 0; | |||
+ | |||
+ /* da8xx_lcdc_platform_data */ | |||
+ strcpy(priv->lcd_pdata.manu_name, "BBToys"); | |||
+ priv->lcd_pdata.controller_data = &priv->lcd_cfg; | |||
+ strcpy(priv->lcd_pdata.type, panel_type); | |||
+ | |||
+ priv->lcdc_oh = omap_hwmod_lookup("lcdc"); | |||
+ if (priv->lcdc_oh == NULL) { | |||
+ dev_err(&pdev->dev, "Failed to lookup omap_hwmod lcdc\n"); | |||
+ return -ENODEV; | |||
+ } | |||
+ | |||
+ priv->lcdc_pdev = omap_device_build("da8xx_lcdc", 0, priv->lcdc_oh, | |||
+ &priv->lcd_pdata, | |||
+ sizeof(struct da8xx_lcdc_platform_data), | |||
+ NULL, 0, 0); | |||
+ if (priv->lcdc_pdev == NULL) { | |||
+ dev_err(&pdev->dev, "Failed to build LCDC device\n"); | |||
+ return -ENODEV; | |||
+ } | |||
+ | |||
+ dev_info(&pdev->dev, "Registered bone LCDC OK.\n"); | |||
+ | |||
+ platform_set_drvdata(pdev, priv); | |||
+ | |||
+ return 0; | |||
+} | |||
+ | |||
+static int __devexit da8xx_dt_remove(struct platform_device *pdev) | |||
+{ | |||
+ return -EINVAL; /* not supporting removal yet */ | |||
+} | |||
+ | |||
+static struct platform_driver da8xx_dt_driver = { | |||
+ .probe = da8xx_dt_probe, | |||
+ .remove = __devexit_p(da8xx_dt_remove), | |||
+ .driver = { | |||
+ .name = "da8xx-dt", | |||
+ .owner = THIS_MODULE, | |||
+ .of_match_table = of_da8xx_dt_match, | |||
+ }, | |||
+}; | |||
+ | |||
+static __init int da8xx_dt_init(void) | |||
+{ | |||
+ return platform_driver_register(&da8xx_dt_driver); | |||
+} | |||
+ | |||
+static __exit void da8xx_dt_exit(void) | |||
+{ | |||
+ platform_driver_unregister(&da8xx_dt_driver); | |||
+} | |||
+ | |||
+postcore_initcall(da8xx_dt_init); | |||
+module_exit(da8xx_dt_exit); | |||
-- | |||
1.7.7.6 | |||
|
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