This patch fixes a pin mux for the HTC Magician machine. Wrong and missing
definitions caused a bad LCD operation and an unavailability of several
peripherals.
Signed-off-by: Petr Cvek <petr.cvek@xxxxxx>
---
arch/arm/mach-pxa/magician.c | 77 ++++++++++++++++++++++++++++++++++++++++----
1 file changed, 70 insertions(+), 7 deletions(-)
diff --git a/arch/arm/mach-pxa/magician.c b/arch/arm/mach-pxa/magician.c
index a93ed14..91d302b 100644
--- a/arch/arm/mach-pxa/magician.c
+++ b/arch/arm/mach-pxa/magician.c
@@ -4,8 +4,9 @@
* and T-Mobile MDA Compact.
*
* Copyright (c) 2006-2007 Philipp Zabel
+ * Copyright (c) 2014-2015 Petr Cvek (massive rework)
*
- * Based on hx4700.c, spitz.c and others.
+ * Based on hx4700.c, spitz.c, board-overo.c and others.
*
* 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
@@ -56,6 +57,8 @@ static unsigned long magician_pin_config[] __initdata = {
GPIO79_nCS_3, /* EGPIO CPLD */
GPIO80_nCS_4,
GPIO33_nCS_5,
+ GPIO49_nPWE,
+ GPIO18_RDY,
/* I2C UDA1380 + OV9640 */
GPIO117_I2C_SCL,
@@ -64,6 +67,10 @@ static unsigned long magician_pin_config[] __initdata = {
/* PWM 0 - LCD backlight */
GPIO16_PWM0_OUT,
+ /* Omnivision camera power and reset GPIO */
+ MFP_CFG_OUT(GPIO116, AF0, DRIVE_HIGH), /* /Enable */
+ MFP_CFG_OUT(GPIO57, AF0, DRIVE_HIGH), /* Reset */
+
/* I2S UDA1380 capture */
GPIO28_I2S_BITCLK_OUT,
GPIO29_I2S_SDATA_IN,
@@ -89,8 +96,26 @@ static unsigned long magician_pin_config[] __initdata = {
GPIO111_MMC_DAT_3,
GPIO112_MMC_CMD,
- /* LCD */
- GPIOxx_LCD_TFT_16BPP,
+ /*
+ * LCD
+ * NOTICE Samsung LTP280QV:
+ * cannot use GPIOxx_LCD_TFT_16BPP, GPIO75 is LCD power,
+ * 74 unused (AF0 by bootloader?)
+ */
+ GPIOxx_LCD_16BPP,
+ GPIO76_LCD_PCLK,
+ GPIO77_LCD_BIAS, /* data_valid (v/hsync) (ADS7846 sync?) */
+
+ /* NOTICE valid LCD init sequence */
+
+ /* for GPIO75_MAGICIAN_SAMSUNG_POWER */
+ MFP_CFG_OUT(GPIO75, AF0, DRIVE_HIGH),
+ /* for GPIO106_MAGICIAN_LCD_DCDC_NRESET */
+ MFP_CFG_OUT(GPIO106, AF0, DRIVE_HIGH),
+ /* for GPIO104_MAGICIAN_LCD_VOFF_EN */
+ MFP_CFG_OUT(GPIO104, AF0, DRIVE_HIGH),
+ /* for GPIO105_MAGICIAN_LCD_VON_EN */
+ MFP_CFG_OUT(GPIO105, AF0, DRIVE_HIGH),
/* QCI camera interface */
GPIO12_CIF_DD_7,
@@ -107,16 +132,54 @@ static unsigned long magician_pin_config[] __initdata = {
GPIO85_CIF_LV,
/* Magician specific input GPIOs */
- GPIO9_GPIO, /* unknown */
GPIO10_GPIO, /* GSM_IRQ */
GPIO13_GPIO, /* CPLD_IRQ */
GPIO107_GPIO, /* DS1WM_IRQ */
GPIO108_GPIO, /* GSM_READY */
GPIO115_GPIO, /* nPEN_IRQ */
- /* I2C */
- GPIO117_I2C_SCL,
- GPIO118_I2C_SDA,
+ /* Vibration motor */
+ MFP_CFG_OUT(GPIO22, AF0, DRIVE_LOW),
+
+ /* Keypad LEDs (red/green phone) */
+ MFP_CFG_OUT(GPIO103, AF0, DRIVE_LOW),
+
+ /* GSM pins */
+ MFP_CFG_OUT(GPIO11, AF0, DRIVE_LOW), /* CPU is unavailable(?) */
+ MFP_CFG_OUT(GPIO26, AF0, DRIVE_LOW), /* GSM power */
+ MFP_CFG_OUT(GPIO86, AF0, DRIVE_HIGH), /* GSM reset */
+
+ /* USB connector */
+ MFP_CFG_OUT(GPIO27, AF0, DRIVE_LOW), /* enable usbc pull-up */
+ MFP_CFG_OUT(GPIO30, AF0, DRIVE_LOW), /* /charging enable */
+
+ /* FFUART, FIXME never observed to do something, GSM data? */
+ GPIO34_FFUART_RXD,
+ GPIO35_FFUART_CTS,
+ GPIO36_FFUART_DCD,
+ GPIO39_FFUART_TXD,
+ GPIO41_FFUART_RTS,
+
+ /* BTUART, AT commands/data, HTC port line discipline */
+ GPIO42_BTUART_RXD,
+ GPIO43_BTUART_TXD,
+ GPIO44_BTUART_CTS,
+ GPIO45_BTUART_RTS,
+
+ /* Power I2C, controller will overrule GPIO */
+ GPIO3_GPIO, /* SCL */
+ GPIO4_GPIO, /* SDA */
+
+ /* IrDA GPIOs, pxaficp will change it to correct AFx */
+ MFP_CFG_IN(GPIO46, AF0),
+ MFP_CFG_OUT(GPIO47, AF0, DRIVE_LOW),
+ /* FIXME: probably IrDA transmitter disable */
+ MFP_CFG_OUT(GPIO83, AF0, DRIVE_HIGH),
+
+ /* FIXME yet unknown exact function */
+ GPIO9_GPIO, /* unknown */
+ MFP_CFG_OUT(GPIO40, AF0, DRIVE_LOW), /* FIXME GSM? */
+ MFP_CFG_OUT(GPIO87, AF0, DRIVE_LOW), /* FIXME GSM? */
};
/*
--
1.7.12.1
--
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