Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   1) // SPDX-License-Identifier: GPL-2.0-only
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3)  * linux/arch/arm/mach-pxa/zylonite_pxa300.c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5)  * PXA300/PXA310 specific support code for the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6)  * PXA3xx Development Platform (aka Zylonite)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8)  * Copyright (C) 2007 Marvell Internation Ltd.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9)  * 2007-08-21: eric miao <eric.miao@marvell.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10)  *             initial version
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16) #include <linux/i2c.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17) #include <linux/platform_data/i2c-pxa.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18) #include <linux/platform_data/pca953x.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19) #include <linux/gpio.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21) #include "pxa300.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) #include "devices.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23) #include "zylonite.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25) #include "generic.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) /* PXA300/PXA310 common configurations */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) static mfp_cfg_t common_mfp_cfg[] __initdata = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) 	/* LCD */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) 	GPIO54_LCD_LDD_0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) 	GPIO55_LCD_LDD_1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32) 	GPIO56_LCD_LDD_2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) 	GPIO57_LCD_LDD_3,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) 	GPIO58_LCD_LDD_4,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) 	GPIO59_LCD_LDD_5,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) 	GPIO60_LCD_LDD_6,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) 	GPIO61_LCD_LDD_7,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) 	GPIO62_LCD_LDD_8,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) 	GPIO63_LCD_LDD_9,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) 	GPIO64_LCD_LDD_10,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) 	GPIO65_LCD_LDD_11,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) 	GPIO66_LCD_LDD_12,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) 	GPIO67_LCD_LDD_13,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) 	GPIO68_LCD_LDD_14,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) 	GPIO69_LCD_LDD_15,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) 	GPIO70_LCD_LDD_16,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) 	GPIO71_LCD_LDD_17,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) 	GPIO72_LCD_FCLK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) 	GPIO73_LCD_LCLK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) 	GPIO74_LCD_PCLK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) 	GPIO75_LCD_BIAS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) 	GPIO76_LCD_VSYNC,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) 	GPIO127_LCD_CS_N,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) 	GPIO20_PWM3_OUT,	/* backlight */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) 	/* BTUART */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) 	GPIO111_UART2_RTS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) 	GPIO112_UART2_RXD | MFP_LPM_EDGE_FALL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) 	GPIO113_UART2_TXD,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) 	GPIO114_UART2_CTS | MFP_LPM_EDGE_BOTH,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) 	/* STUART */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) 	GPIO109_UART3_TXD,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) 	GPIO110_UART3_RXD | MFP_LPM_EDGE_FALL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) 	/* AC97 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) 	GPIO23_AC97_nACRESET,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) 	GPIO24_AC97_SYSCLK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) 	GPIO29_AC97_BITCLK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) 	GPIO25_AC97_SDATA_IN_0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) 	GPIO27_AC97_SDATA_OUT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) 	GPIO28_AC97_SYNC,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) 	GPIO17_GPIO,	/* SDATA_IN_1 but unused - configure to GPIO */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) 	/* SSP3 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) 	GPIO91_SSP3_SCLK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) 	GPIO92_SSP3_FRM,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) 	GPIO93_SSP3_TXD,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) 	GPIO94_SSP3_RXD,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) 	/* WM9713 IRQ */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) 	GPIO26_GPIO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) 	/* Keypad */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) 	GPIO107_KP_DKIN_0 | MFP_LPM_EDGE_BOTH,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) 	GPIO108_KP_DKIN_1 | MFP_LPM_EDGE_BOTH,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) 	GPIO115_KP_MKIN_0 | MFP_LPM_EDGE_BOTH,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) 	GPIO116_KP_MKIN_1 | MFP_LPM_EDGE_BOTH,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) 	GPIO117_KP_MKIN_2 | MFP_LPM_EDGE_BOTH,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) 	GPIO118_KP_MKIN_3 | MFP_LPM_EDGE_BOTH,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) 	GPIO119_KP_MKIN_4 | MFP_LPM_EDGE_BOTH,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) 	GPIO120_KP_MKIN_5 | MFP_LPM_EDGE_BOTH,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) 	GPIO2_2_KP_MKIN_6 | MFP_LPM_EDGE_BOTH,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) 	GPIO3_2_KP_MKIN_7 | MFP_LPM_EDGE_BOTH,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) 	GPIO121_KP_MKOUT_0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) 	GPIO122_KP_MKOUT_1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) 	GPIO123_KP_MKOUT_2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) 	GPIO124_KP_MKOUT_3,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) 	GPIO125_KP_MKOUT_4,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) 	GPIO4_2_KP_MKOUT_5,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) 	GPIO5_2_KP_MKOUT_6,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) 	GPIO6_2_KP_MKOUT_7,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) 	/* MMC1 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) 	GPIO3_MMC1_DAT0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) 	GPIO4_MMC1_DAT1 | MFP_LPM_EDGE_BOTH,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) 	GPIO5_MMC1_DAT2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) 	GPIO6_MMC1_DAT3,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) 	GPIO7_MMC1_CLK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) 	GPIO8_MMC1_CMD,	/* CMD0 for slot 0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) 	GPIO15_GPIO,	/* CMD1 default as GPIO for slot 0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) 	/* MMC2 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) 	GPIO9_MMC2_DAT0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) 	GPIO10_MMC2_DAT1 | MFP_LPM_EDGE_BOTH,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) 	GPIO11_MMC2_DAT2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) 	GPIO12_MMC2_DAT3,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) 	GPIO13_MMC2_CLK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) 	GPIO14_MMC2_CMD,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) 	/* USB Host */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) 	GPIO0_2_USBH_PEN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) 	GPIO1_2_USBH_PWR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) 	/* Standard I2C */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) 	GPIO21_I2C_SCL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) 	GPIO22_I2C_SDA,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) 	/* GPIO */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) 	GPIO18_GPIO | MFP_PULL_HIGH,	/* GPIO Expander #0 INT_N */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) 	GPIO19_GPIO | MFP_PULL_HIGH,	/* GPIO Expander #1 INT_N */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) static mfp_cfg_t pxa300_mfp_cfg[] __initdata = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) 	/* FFUART */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) 	GPIO30_UART1_RXD | MFP_LPM_EDGE_FALL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) 	GPIO31_UART1_TXD,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) 	GPIO32_UART1_CTS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) 	GPIO37_UART1_RTS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) 	GPIO33_UART1_DCD,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) 	GPIO34_UART1_DSR | MFP_LPM_EDGE_FALL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) 	GPIO35_UART1_RI,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) 	GPIO36_UART1_DTR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) 	/* Ethernet */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) 	GPIO2_nCS3,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) 	GPIO99_GPIO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) static mfp_cfg_t pxa310_mfp_cfg[] __initdata = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) 	/* FFUART */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) 	GPIO99_UART1_RXD | MFP_LPM_EDGE_FALL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) 	GPIO100_UART1_TXD,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) 	GPIO101_UART1_CTS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) 	GPIO106_UART1_RTS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) 	/* Ethernet */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) 	GPIO2_nCS3,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) 	GPIO102_GPIO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) 	/* MMC3 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) 	GPIO7_2_MMC3_DAT0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) 	GPIO8_2_MMC3_DAT1 | MFP_LPM_EDGE_BOTH,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) 	GPIO9_2_MMC3_DAT2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) 	GPIO10_2_MMC3_DAT3,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) 	GPIO103_MMC3_CLK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) 	GPIO105_MMC3_CMD,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) #define NUM_LCD_DETECT_PINS	7
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) static int lcd_detect_pins[] __initdata = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) 	MFP_PIN_GPIO71,	/* LCD_LDD_17 - ORIENT */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) 	MFP_PIN_GPIO70, /* LCD_LDD_16 - LCDID[5] */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) 	MFP_PIN_GPIO75, /* LCD_BIAS   - LCDID[4] */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) 	MFP_PIN_GPIO73, /* LCD_LCLK   - LCDID[3] */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) 	MFP_PIN_GPIO72, /* LCD_FCLK   - LCDID[2] */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) 	MFP_PIN_GPIO127,/* LCD_CS_N   - LCDID[1] */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) 	MFP_PIN_GPIO76, /* LCD_VSYNC  - LCDID[0] */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) static void __init zylonite_detect_lcd_panel(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) 	unsigned long mfpr_save[NUM_LCD_DETECT_PINS];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) 	int i, gpio, id = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) 	/* save the original MFP settings of these pins and configure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) 	 * them as GPIO Input, DS01X, Pull Neither, Edge Clear
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) 	for (i = 0; i < NUM_LCD_DETECT_PINS; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) 		mfpr_save[i] = pxa3xx_mfp_read(lcd_detect_pins[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) 		pxa3xx_mfp_write(lcd_detect_pins[i], 0x8440);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) 	for (i = 0; i < NUM_LCD_DETECT_PINS; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) 		id = id << 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) 		gpio = mfp_to_gpio(lcd_detect_pins[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) 		gpio_request(gpio, "LCD_ID_PINS");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) 		gpio_direction_input(gpio);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) 		if (gpio_get_value(gpio))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) 			id = id | 0x1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) 		gpio_free(gpio);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) 	/* lcd id, flush out bit 1 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) 	lcd_id = id & 0x3d;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) 	/* lcd orientation, portrait or landscape */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) 	lcd_orientation = (id >> 6) & 0x1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) 	/* restore the original MFP settings */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) 	for (i = 0; i < NUM_LCD_DETECT_PINS; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) 		pxa3xx_mfp_write(lcd_detect_pins[i], mfpr_save[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) static struct pca953x_platform_data gpio_exp[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) 	[0] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) 		.gpio_base	= 128,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) 	[1] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) 		.gpio_base	= 144,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) static struct i2c_board_info zylonite_i2c_board_info[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) 		.type		= "pca9539",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) 		.dev_name	= "pca9539-a",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) 		.addr		= 0x74,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) 		.platform_data	= &gpio_exp[0],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) 		.irq		= PXA_GPIO_TO_IRQ(18),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) 	}, {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) 		.type		= "pca9539",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) 		.dev_name	= "pca9539-b",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) 		.addr		= 0x75,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) 		.platform_data	= &gpio_exp[1],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) 		.irq		= PXA_GPIO_TO_IRQ(19),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) static void __init zylonite_init_i2c(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) 	pxa_set_i2c_info(NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) 	i2c_register_board_info(0, ARRAY_AND_SIZE(zylonite_i2c_board_info));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) static inline void zylonite_init_i2c(void) {}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) void __init zylonite_pxa300_init(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) 	if (cpu_is_pxa300() || cpu_is_pxa310()) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) 		/* initialize MFP */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) 		pxa3xx_mfp_config(ARRAY_AND_SIZE(common_mfp_cfg));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) 		/* detect LCD panel */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) 		zylonite_detect_lcd_panel();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) 		/* WM9713 IRQ */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) 		wm9713_irq = mfp_to_gpio(MFP_PIN_GPIO26);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) 		zylonite_init_i2c();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) 	if (cpu_is_pxa300()) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) 		pxa3xx_mfp_config(ARRAY_AND_SIZE(pxa300_mfp_cfg));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) 		gpio_eth_irq = mfp_to_gpio(MFP_PIN_GPIO99);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) 	if (cpu_is_pxa310()) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) 		pxa3xx_mfp_config(ARRAY_AND_SIZE(pxa310_mfp_cfg));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) 		gpio_eth_irq = mfp_to_gpio(MFP_PIN_GPIO102);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) 	/* GPIOs for Debug LEDs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) 	gpio_debug_led1 = EXT_GPIO(25);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) 	gpio_debug_led2 = EXT_GPIO(26);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) }