diff options
Diffstat (limited to 'target/linux/omap/patches-4.1')
5 files changed, 479 insertions, 0 deletions
diff --git a/target/linux/omap/patches-4.1/0334-video-da8xx-fb-adding-dt-support.patch b/target/linux/omap/patches-4.1/0334-video-da8xx-fb-adding-dt-support.patch new file mode 100644 index 0000000000..a778c20890 --- /dev/null +++ b/target/linux/omap/patches-4.1/0334-video-da8xx-fb-adding-dt-support.patch @@ -0,0 +1,201 @@ +From 884d3962ef4787c8cf0b8a7a673531c623d1dff8 Mon Sep 17 00:00:00 2001 +From: Darren Etheridge <detheridge@ti.com> +Date: Fri, 2 Aug 2013 15:35:36 -0500 +Subject: [PATCH 334/752] video: da8xx-fb: adding dt support + +Enhancing driver to enable probe triggered by a corresponding dt entry. + +Add da8xx-fb.txt documentation to devicetree section. + +Obtain fb_videomode details for the connected lcd panel using the +display timing details present in DT. + +Ensure that platform data is present before checking whether platform +callback is present (the one used to control backlight). So far this +was not an issue as driver was purely non-DT triggered, but now DT +support has been added this check must be performed. + +v2: squashing multiple commits from Afzal Mohammed (afzal@ti.com) +v3: remove superfluous cast +v4: expose both ti,am3352-lcdc and ti,da830-lcdc for .compatible + as driver can use enhanced features of all version of the + silicon block. +v5: addressed review comments from Prabhakar Lad +v6: Changed the .compatible naming to match the existing drm bindings + for am33xx devices +v7: clarify which compatible to use in the documentation for DA850 + +Acked-by: Lad, Prabhakar <prabhakar.csengg@gmail.com> +Signed-off-by: Darren Etheridge <detheridge@ti.com> +--- + .../devicetree/bindings/video/da8xx-fb.txt | 42 +++++++++++++ + drivers/video/fbdev/da8xx-fb.c | 66 +++++++++++++++++++- + 2 files changed, 105 insertions(+), 3 deletions(-) + create mode 100644 Documentation/devicetree/bindings/video/da8xx-fb.txt + +--- /dev/null ++++ b/Documentation/devicetree/bindings/video/da8xx-fb.txt +@@ -0,0 +1,42 @@ ++TI LCD Controller on DA830/DA850/AM335x SoC's ++ ++Required properties: ++- compatible: ++ DA830, DA850 - "ti,da8xx-tilcdc" ++ AM335x SoC's - "ti,am33xx-tilcdc" ++- reg: Address range of lcdc register set ++- interrupts: lcdc interrupt ++- display-timings: typical videomode of lcd panel, represented as child. ++ Refer Documentation/devicetree/bindings/video/display-timing.txt for ++ display timing binding details. If multiple videomodes are mentioned ++ in display timings node, typical videomode has to be mentioned as the ++ native mode or it has to be first child (driver cares only for native ++ videomode). ++ ++Recommended properties: ++- ti,hwmods: Name of the hwmod associated to the LCDC ++ ++Example for am335x SoC's: ++ ++lcdc@4830e000 { ++ compatible = "ti,am33xx-tilcdc"; ++ reg = <0x4830e000 0x1000>; ++ interrupts = <36>; ++ ti,hwmods = "lcdc"; ++ status = "okay"; ++ display-timings { ++ 800x480p62 { ++ clock-frequency = <30000000>; ++ hactive = <800>; ++ vactive = <480>; ++ hfront-porch = <39>; ++ hback-porch = <39>; ++ hsync-len = <47>; ++ vback-porch = <29>; ++ vfront-porch = <13>; ++ vsync-len = <2>; ++ hsync-active = <1>; ++ vsync-active = <1>; ++ }; ++ }; ++}; +--- a/drivers/video/fbdev/da8xx-fb.c ++++ b/drivers/video/fbdev/da8xx-fb.c +@@ -36,6 +36,7 @@ + #include <linux/slab.h> + #include <linux/delay.h> + #include <linux/lcm.h> ++#include <video/of_display_timing.h> + #include <video/da8xx-fb.h> + #include <asm/div64.h> + +@@ -1317,12 +1318,54 @@ static struct fb_ops da8xx_fb_ops = { + .fb_blank = cfb_blank, + }; + ++static struct lcd_ctrl_config *da8xx_fb_create_cfg(struct platform_device *dev) ++{ ++ struct lcd_ctrl_config *cfg; ++ ++ cfg = devm_kzalloc(&dev->dev, sizeof(struct fb_videomode), GFP_KERNEL); ++ if (!cfg) ++ return NULL; ++ ++ /* default values */ ++ ++ if (lcd_revision == LCD_VERSION_1) ++ cfg->bpp = 16; ++ else ++ cfg->bpp = 32; ++ ++ /* ++ * For panels so far used with this LCDC, below statement is sufficient. ++ * For new panels, if required, struct lcd_ctrl_cfg fields to be updated ++ * with additional/modified values. Those values would have to be then ++ * obtained from dt(requiring new dt bindings). ++ */ ++ ++ cfg->panel_shade = COLOR_ACTIVE; ++ ++ return cfg; ++} ++ + static struct fb_videomode *da8xx_fb_get_videomode(struct platform_device *dev) + { + struct da8xx_lcdc_platform_data *fb_pdata = dev_get_platdata(&dev->dev); + struct fb_videomode *lcdc_info; ++ struct device_node *np = dev->dev.of_node; + int i; + ++ if (np) { ++ lcdc_info = devm_kzalloc(&dev->dev, ++ sizeof(struct fb_videomode), ++ GFP_KERNEL); ++ if (!lcdc_info) ++ return NULL; ++ ++ if (of_get_fb_videomode(np, lcdc_info, OF_USE_NATIVE_MODE)) { ++ dev_err(&dev->dev, "timings not available in DT\n"); ++ return NULL; ++ } ++ return lcdc_info; ++ } ++ + for (i = 0, lcdc_info = known_lcd_panels; + i < ARRAY_SIZE(known_lcd_panels); i++, lcdc_info++) { + if (strcmp(fb_pdata->type, lcdc_info->name) == 0) +@@ -1351,7 +1394,7 @@ static int fb_probe(struct platform_devi + int ret; + unsigned long ulcm; + +- if (fb_pdata == NULL) { ++ if (fb_pdata == NULL && !device->dev.of_node) { + dev_err(&device->dev, "Can not get platform data\n"); + return -ENOENT; + } +@@ -1391,7 +1434,10 @@ static int fb_probe(struct platform_devi + break; + } + +- lcd_cfg = (struct lcd_ctrl_config *)fb_pdata->controller_data; ++ if (device->dev.of_node) ++ lcd_cfg = da8xx_fb_create_cfg(device); ++ else ++ lcd_cfg = fb_pdata->controller_data; + + if (!lcd_cfg) { + ret = -EINVAL; +@@ -1410,7 +1456,7 @@ static int fb_probe(struct platform_devi + par->dev = &device->dev; + par->lcdc_clk = tmp_lcdc_clk; + par->lcdc_clk_rate = clk_get_rate(par->lcdc_clk); +- if (fb_pdata->panel_power_ctrl) { ++ if (fb_pdata && fb_pdata->panel_power_ctrl) { + par->panel_power_ctrl = fb_pdata->panel_power_ctrl; + par->panel_power_ctrl(1); + } +@@ -1654,11 +1700,25 @@ static int fb_resume(struct device *dev) + + static SIMPLE_DEV_PM_OPS(fb_pm_ops, fb_suspend, fb_resume); + ++#if IS_ENABLED(CONFIG_OF) ++static const struct of_device_id da8xx_fb_of_match[] = { ++ /* ++ * this driver supports version 1 and version 2 of the ++ * Texas Instruments lcd controller (lcdc) hardware block ++ */ ++ {.compatible = "ti,da8xx-tilcdc", }, ++ {.compatible = "ti,am33xx-tilcdc", }, ++ {}, ++}; ++MODULE_DEVICE_TABLE(of, da8xx_fb_of_match); ++#endif ++ + static struct platform_driver da8xx_fb_driver = { + .probe = fb_probe, + .remove = fb_remove, + .driver = { + .name = DRIVER_NAME, ++ .of_match_table = of_match_ptr(da8xx_fb_of_match), + .pm = &fb_pm_ops, + }, + }; diff --git a/target/linux/omap/patches-4.1/0343-video-da8xx-fb-Add-API-to-register-wait-for-vsync-ca.patch b/target/linux/omap/patches-4.1/0343-video-da8xx-fb-Add-API-to-register-wait-for-vsync-ca.patch new file mode 100644 index 0000000000..8c0898a9d6 --- /dev/null +++ b/target/linux/omap/patches-4.1/0343-video-da8xx-fb-Add-API-to-register-wait-for-vsync-ca.patch @@ -0,0 +1,91 @@ +From 9a1a810516ae9cb3259b898b6879901c5b44fa90 Mon Sep 17 00:00:00 2001 +From: Prathap M S <msprathap@ti.com> +Date: Mon, 2 Sep 2013 12:05:23 +0530 +Subject: [PATCH 343/752] video: da8xx-fb: Add API to register wait for vsync + callback + +This patch adds APIs to register and unregister wait for vsync callback. +This is derived from commit id 2d44302545da24fd22912d964102bc31a7489e97 +This commit id was part of 3.2 kernel sources. + +Signed-off-by: Prathap M S <msprathap@ti.com> +--- + drivers/video/fbdev/da8xx-fb.c | 33 +++++++++++++++++++++++++++++++++ + include/video/da8xx-fb.h | 4 ++++ + 2 files changed, 37 insertions(+) + +--- a/drivers/video/fbdev/da8xx-fb.c ++++ b/drivers/video/fbdev/da8xx-fb.c +@@ -197,6 +197,9 @@ static struct fb_fix_screeninfo da8xx_fb + .accel = FB_ACCEL_NONE + }; + ++static vsync_callback_t vsync_cb_handler; ++static void *vsync_cb_arg; ++ + static struct fb_videomode known_lcd_panels[] = { + /* Sharp LCD035Q3DG01 */ + [0] = { +@@ -831,6 +834,32 @@ static int lcd_init(struct da8xx_fb_par + return 0; + } + ++int register_vsync_cb(vsync_callback_t handler, void *arg, int idx) ++{ ++ if ((vsync_cb_handler == NULL) && (vsync_cb_arg == NULL)) { ++ vsync_cb_arg = arg; ++ vsync_cb_handler = handler; ++ } else { ++ return -EEXIST; ++ } ++ ++ return 0; ++} ++EXPORT_SYMBOL(register_vsync_cb); ++ ++int unregister_vsync_cb(vsync_callback_t handler, void *arg, int idx) ++{ ++ if ((vsync_cb_handler == handler) && (vsync_cb_arg == arg)) { ++ vsync_cb_handler = NULL; ++ vsync_cb_arg = NULL; ++ } else { ++ return -ENXIO; ++ } ++ ++ return 0; ++} ++EXPORT_SYMBOL(unregister_vsync_cb); ++ + /* IRQ handler for version 2 of LCDC */ + static irqreturn_t lcdc_irq_handler_rev02(int irq, void *arg) + { +@@ -868,6 +897,8 @@ static irqreturn_t lcdc_irq_handler_rev0 + LCD_DMA_FRM_BUF_CEILING_ADDR_0_REG); + par->vsync_flag = 1; + wake_up_interruptible(&par->vsync_wait); ++ if (vsync_cb_handler) ++ vsync_cb_handler(vsync_cb_arg); + } + + if (stat & LCD_END_OF_FRAME1) { +@@ -943,6 +974,8 @@ static irqreturn_t lcdc_irq_handler_rev0 + LCD_DMA_FRM_BUF_CEILING_ADDR_1_REG); + par->vsync_flag = 1; + wake_up_interruptible(&par->vsync_wait); ++ if (vsync_cb_handler) ++ vsync_cb_handler(vsync_cb_arg); + } + } + +--- a/include/video/da8xx-fb.h ++++ b/include/video/da8xx-fb.h +@@ -91,5 +91,9 @@ struct lcd_sync_arg { + /* Proprietary FB_SYNC_ flags */ + #define FB_SYNC_CLK_INVERT 0x40000000 + ++typedef void (*vsync_callback_t)(void *arg); ++int register_vsync_cb(vsync_callback_t handler, void *arg, int idx); ++int unregister_vsync_cb(vsync_callback_t handler, void *arg, int idx); ++ + #endif /* ifndef DA8XX_FB_H */ + diff --git a/target/linux/omap/patches-4.1/0752-video-da8xx-fb-fix-defect-with-vsync-callback-invoca.patch b/target/linux/omap/patches-4.1/0752-video-da8xx-fb-fix-defect-with-vsync-callback-invoca.patch new file mode 100644 index 0000000000..6000ef1365 --- /dev/null +++ b/target/linux/omap/patches-4.1/0752-video-da8xx-fb-fix-defect-with-vsync-callback-invoca.patch @@ -0,0 +1,38 @@ +From c99bd415829ef29adf71bb1e1b577650f10e93f5 Mon Sep 17 00:00:00 2001 +From: Darren Etheridge <detheridge@ti.com> +Date: Mon, 4 Nov 2013 12:27:40 -0600 +Subject: [PATCH 752/752] video/da8xx-fb fix defect with vsync callback + invocation + +Fix defect where SGX is running at half of the expected framerate. +The original patch (@ commit ID 9a1a810516ae9cb3259b898b6879901c5b44fa90) +seems to have a mistake where it only calls the callback +for the even or the odd frames depending on the revision of the LCD controller +This patch corrects this and invokes the callback for both odd and even frame +for just the Rev02 version of the LCDC (won't find an SGX GPU on a Rev01). + +Signed-off-by: Darren Etheridge <detheridge@ti.com> +--- + drivers/video/fbdev/da8xx-fb.c | 4 ++-- + 1 file changed, 2 insertions(+), 2 deletions(-) + +--- a/drivers/video/fbdev/da8xx-fb.c ++++ b/drivers/video/fbdev/da8xx-fb.c +@@ -909,6 +909,8 @@ static irqreturn_t lcdc_irq_handler_rev0 + LCD_DMA_FRM_BUF_CEILING_ADDR_1_REG); + par->vsync_flag = 1; + wake_up_interruptible(&par->vsync_wait); ++ if (vsync_cb_handler) ++ vsync_cb_handler(vsync_cb_arg); + } + + /* Set only when controller is disabled and at the end of +@@ -974,8 +976,6 @@ static irqreturn_t lcdc_irq_handler_rev0 + LCD_DMA_FRM_BUF_CEILING_ADDR_1_REG); + par->vsync_flag = 1; + wake_up_interruptible(&par->vsync_wait); +- if (vsync_cb_handler) +- vsync_cb_handler(vsync_cb_arg); + } + } + diff --git a/target/linux/omap/patches-4.1/920-arm-dts-am335x-evmsk-add-support-for-lcd-panel.patch b/target/linux/omap/patches-4.1/920-arm-dts-am335x-evmsk-add-support-for-lcd-panel.patch new file mode 100644 index 0000000000..55708a4b03 --- /dev/null +++ b/target/linux/omap/patches-4.1/920-arm-dts-am335x-evmsk-add-support-for-lcd-panel.patch @@ -0,0 +1,70 @@ +--- a/arch/arm/boot/dts/am335x-evmsk.dts ++++ b/arch/arm/boot/dts/am335x-evmsk.dts +@@ -257,6 +257,39 @@ + }; + + ++ lcd_pins_s0: lcd_pins_s0 { ++ pinctrl-single,pins = < ++ 0x20 0x01 /* gpmc_ad8.lcd_data16, OUTPUT | MODE1 */ ++ 0x24 0x01 /* gpmc_ad9.lcd_data17, OUTPUT | MODE1 */ ++ 0x28 0x01 /* gpmc_ad10.lcd_data18, OUTPUT | MODE1 */ ++ 0x2c 0x01 /* gpmc_ad11.lcd_data19, OUTPUT | MODE1 */ ++ 0x30 0x01 /* gpmc_ad12.lcd_data20, OUTPUT | MODE1 */ ++ 0x34 0x01 /* gpmc_ad13.lcd_data21, OUTPUT | MODE1 */ ++ 0x38 0x01 /* gpmc_ad14.lcd_data22, OUTPUT | MODE1 */ ++ 0x3c 0x01 /* gpmc_ad15.lcd_data23, OUTPUT | MODE1 */ ++ 0xa0 0x00 /* lcd_data0.lcd_data0, OUTPUT | MODE0 */ ++ 0xa4 0x00 /* lcd_data1.lcd_data1, OUTPUT | MODE0 */ ++ 0xa8 0x00 /* lcd_data2.lcd_data2, OUTPUT | MODE0 */ ++ 0xac 0x00 /* lcd_data3.lcd_data3, OUTPUT | MODE0 */ ++ 0xb0 0x00 /* lcd_data4.lcd_data4, OUTPUT | MODE0 */ ++ 0xb4 0x00 /* lcd_data5.lcd_data5, OUTPUT | MODE0 */ ++ 0xb8 0x00 /* lcd_data6.lcd_data6, OUTPUT | MODE0 */ ++ 0xbc 0x00 /* lcd_data7.lcd_data7, OUTPUT | MODE0 */ ++ 0xc0 0x00 /* lcd_data8.lcd_data8, OUTPUT | MODE0 */ ++ 0xc4 0x00 /* lcd_data9.lcd_data9, OUTPUT | MODE0 */ ++ 0xc8 0x00 /* lcd_data10.lcd_data10, OUTPUT | MODE0 */ ++ 0xcc 0x00 /* lcd_data11.lcd_data11, OUTPUT | MODE0 */ ++ 0xd0 0x00 /* lcd_data12.lcd_data12, OUTPUT | MODE0 */ ++ 0xd4 0x00 /* lcd_data13.lcd_data13, OUTPUT | MODE0 */ ++ 0xd8 0x00 /* lcd_data14.lcd_data14, OUTPUT | MODE0 */ ++ 0xdc 0x00 /* lcd_data15.lcd_data15, OUTPUT | MODE0 */ ++ 0xe0 0x00 /* lcd_vsync.lcd_vsync, OUTPUT | MODE0 */ ++ 0xe4 0x00 /* lcd_hsync.lcd_hsync, OUTPUT | MODE0 */ ++ 0xe8 0x00 /* lcd_pclk.lcd_pclk, OUTPUT | MODE0 */ ++ 0xec 0x00 /* lcd_ac_bias_en.lcd_ac_bias_en, OUTPUT | MODE0 */ ++ >; ++ }; ++ + user_leds_s0: user_leds_s0 { + pinctrl-single,pins = < + 0x10 (PIN_OUTPUT_PULLDOWN | MUX_MODE7) /* gpmc_ad4.gpio1_4 */ +@@ -676,6 +709,27 @@ + rx-num-evt = <32>; + }; + ++&lcdc { ++ pinctrl-names = "default"; ++ pinctrl-0 = <&lcd_pins_s0>; ++ status = "okay"; ++ display-timings { ++ 480x272 { ++ hactive = <480>; ++ vactive = <272>; ++ hback-porch = <43>; ++ hfront-porch = <8>; ++ hsync-len = <4>; ++ vback-porch = <12>; ++ vfront-porch = <4>; ++ vsync-len = <10>; ++ clock-frequency = <9000000>; ++ hsync-active = <0>; ++ vsync-active = <0>; ++ }; ++ }; ++}; ++ + &tscadc { + status = "okay"; + tsc { diff --git a/target/linux/omap/patches-4.1/950-am335x-evmsk-wilink-dts.patch b/target/linux/omap/patches-4.1/950-am335x-evmsk-wilink-dts.patch new file mode 100644 index 0000000000..1b1f9d44c0 --- /dev/null +++ b/target/linux/omap/patches-4.1/950-am335x-evmsk-wilink-dts.patch @@ -0,0 +1,79 @@ +--- a/arch/arm/boot/dts/am335x-evmsk.dts ++++ b/arch/arm/boot/dts/am335x-evmsk.dts +@@ -14,6 +14,7 @@ + /dts-v1/; + + #include "am33xx.dtsi" ++#include <dt-bindings/interrupt-controller/irq.h> + #include <dt-bindings/pwm/pwm.h> + #include <dt-bindings/interrupt-controller/irq.h> + +@@ -27,6 +28,13 @@ + }; + }; + ++ wlan { ++ compatible = "wlcore"; ++ ++ gpio = <31>; ++ board-ref-clock = <4>; ++ }; ++ + memory { + device_type = "memory"; + reg = <0x80000000 0x10000000>; /* 256 MB */ +@@ -69,6 +77,16 @@ + enable-active-high; + }; + ++ vmmc_wl: fixedregulator@2 { ++ compatible = "regulator-fixed"; ++ regulator-name = "vmmc-wl"; ++ regulator-min-microvolt = <1800000>; ++ regulator-max-microvolt = <1800000>; ++ gpio = <&gpio1 29 0>; ++ startup-delay-us = <70000>; ++ enable-active-high; ++ }; ++ + leds { + pinctrl-names = "default"; + pinctrl-0 = <&user_leds_s0>; +@@ -446,6 +464,20 @@ + 0x7c (PIN_OUTPUT_PULLUP | MUX_MODE7) /* gpmc_csn0.gpio1_29 */ + >; + }; ++ ++ wilink_pins: pinmux_wilink_pins { ++ pinctrl-single,pins = < ++ 0x74 (PIN_INPUT_PULLUP | MUX_MODE7) /* gpmc_wpn.gpio0_31 */ ++ 0x7c (PIN_OUTPUT_PULLUP | MUX_MODE7) /* gpmc_csn0.gpio1_29 */ ++ 0x80 (PIN_INPUT_PULLUP | MUX_MODE2) /* gpmc_csn1.mmc1_clk */ ++ 0x84 (PIN_INPUT_PULLUP | MUX_MODE2) /* gpmc_csn2.mmc1_cmd */ ++ 0x00 (PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad0.mmc1_dat0 */ ++ 0x04 (PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad1.mmc1_dat1 */ ++ 0x08 (PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad2.mmc1_dat2 */ ++ 0x0c (PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad3.mmc1_dat3 */ ++ >; ++ }; ++ + }; + + &uart0 { +@@ -693,6 +725,16 @@ + }; + }; + ++&mmc2 { ++ status = "okay"; ++ vmmc-supply = <&vmmc_wl>; ++ bus-width = <4>; ++ pinctrl-names = "default"; ++ pinctrl-0 = <&wilink_pins>; ++ ti,non-removable; ++ keep-power-in-suspend; ++}; ++ + &mcasp1 { + pinctrl-names = "default"; + pinctrl-0 = <&mcasp1_pins>; |