PKGBUILDs/core/linux-am33x/0002-beaglebone-hack-in-support-for-the-WIP-st7735fb-driv.patch

73 lines
2 KiB
Diff

From dd3f24640c209d8186010dbf2bbabe11f3eb52ce Mon Sep 17 00:00:00 2001
From: Matt Porter <mporter@ti.com>
Date: Mon, 21 Nov 2011 12:56:52 -0500
Subject: [PATCH 2/3] beaglebone: hack in support for the WIP st7735fb driver
Signed-off-by: Matt Porter <mporter@ti.com>
---
arch/arm/mach-omap2/board-am335xevm.c | 28 ++++++++++++++++++++++++++++
1 files changed, 28 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-omap2/board-am335xevm.c b/arch/arm/mach-omap2/board-am335xevm.c
index b27fb97..f049aad 100644
--- arch.orig/arm/mach-omap2/board-am335xevm.c
+++ arch/arm/mach-omap2/board-am335xevm.c
@@ -51,6 +51,7 @@
/* LCD controller is similar to DA850 */
#include <video/da8xx-fb.h>
+#include <video/st7735fb.h>
#include "control.h"
#include "board-flash.h"
@@ -1094,6 +1095,23 @@ static struct spi_board_info am335x_spi1_slave_info[] = {
},
};
+static const struct st7735fb_platform_data bone_st7735fb_data = {
+ .rst_gpio = GPIO_TO_PIN(3, 19),
+ .dc_gpio = GPIO_TO_PIN(3, 21),
+};
+
+static struct spi_board_info bone_spi1_slave_info[] = {
+ {
+ .modalias = "adafruit_tft18",
+ .platform_data = &bone_st7735fb_data,
+ .irq = -1,
+ .max_speed_hz = 8000000,
+ .bus_num = 2,
+ .chip_select = 0,
+ .mode = SPI_MODE_3,
+ },
+};
+
static void evm_nand_init(int evm_id, int profile)
{
setup_pin_mux(nand_pin_mux);
@@ -1410,6 +1428,14 @@ static void spi1_init(int evm_id, int profile)
return;
}
+/* setup bone spi1 */
+static void bone_spi1_init(int evm_id, int profile)
+{
+ setup_pin_mux(spi1_pin_mux);
+ spi_register_board_info(bone_spi1_slave_info,
+ ARRAY_SIZE(bone_spi1_slave_info));
+ return;
+}
static int beaglebone_phy_fixup(struct phy_device *phydev)
{
@@ -1567,6 +1593,8 @@ static struct evm_dev_cfg beaglebone_dev_cfg[] = {
{i2c2_init, DEV_ON_BASEBOARD, PROFILE_NONE},
{mmc0_init, DEV_ON_BASEBOARD, PROFILE_NONE},
{boneleds_init, DEV_ON_BASEBOARD, PROFILE_ALL},
+ /* HACK ALERT */
+ {bone_spi1_init, DEV_ON_BASEBOARD, PROFILE_NONE},
{NULL, 0, 0},
};
--
1.7.2.5