From 3e36c0deea118e277f4ff9fa947bcde5f88426ca Mon Sep 17 00:00:00 2001 From: Eric Miao Date: Fri, 6 Feb 2009 16:49:23 +0800 Subject: [ARM] pxa: make ads7846 on corgi and spitz to sync on HSYNC Signed-off-by: Eric Miao --- arch/arm/mach-pxa/corgi.c | 10 ++++++++++ arch/arm/mach-pxa/spitz.c | 10 ++++++++++ 2 files changed, 20 insertions(+) (limited to 'arch/arm/mach-pxa') diff --git a/arch/arm/mach-pxa/corgi.c b/arch/arm/mach-pxa/corgi.c index cdf21dd135b4..930e364ccde9 100644 --- a/arch/arm/mach-pxa/corgi.c +++ b/arch/arm/mach-pxa/corgi.c @@ -427,12 +427,22 @@ static struct pxa2xx_spi_master corgi_spi_info = { .num_chipselect = 3, }; +static void corgi_wait_for_hsync(void) +{ + while (gpio_get_value(CORGI_GPIO_HSYNC)) + cpu_relax(); + + while (!gpio_get_value(CORGI_GPIO_HSYNC)) + cpu_relax(); +} + static struct ads7846_platform_data corgi_ads7846_info = { .model = 7846, .vref_delay_usecs = 100, .x_plate_ohms = 419, .y_plate_ohms = 486, .gpio_pendown = CORGI_GPIO_TP_INT, + .wait_for_sync = corgi_wait_for_hsync, }; static void corgi_ads7846_cs(u32 command) diff --git a/arch/arm/mach-pxa/spitz.c b/arch/arm/mach-pxa/spitz.c index 8c61ddac119e..c18e34acafcb 100644 --- a/arch/arm/mach-pxa/spitz.c +++ b/arch/arm/mach-pxa/spitz.c @@ -299,12 +299,22 @@ static struct pxa2xx_spi_master spitz_spi_info = { .num_chipselect = 3, }; +static void spitz_wait_for_hsync(void) +{ + while (gpio_get_value(SPITZ_GPIO_HSYNC)) + cpu_relax(); + + while (!gpio_get_value(SPITZ_GPIO_HSYNC)) + cpu_relax(); +} + static struct ads7846_platform_data spitz_ads7846_info = { .model = 7846, .vref_delay_usecs = 100, .x_plate_ohms = 419, .y_plate_ohms = 486, .gpio_pendown = SPITZ_GPIO_TP_INT, + .wait_for_sync = spitz_wait_for_hsync, }; static void spitz_ads7846_cs(u32 command) -- cgit v1.2.3 From 15fbc938576175eeb53798221f045d4ace52e5dc Mon Sep 17 00:00:00 2001 From: Eric Miao Date: Wed, 22 Apr 2009 18:34:36 +0800 Subject: [ARM] pxa/zylonite: fix the issue of unused SDATA_IN_1 pin get AC97 not working GPIO17_SDATA_IN_1 and GPIO36_SDATA_IN_1 are originally designed for the 2nd codec but unused on the board, yet they are initialized incorrectly by the bootloader as the SDATA_IN_1 alternate function, thus causing AC97 fail to work. Fix this issue by configuring these pins as normal GPIO to avoid the noise from these pins being treated as signals from the 2nd codec. Signed-off-by: Eric Miao --- arch/arm/mach-pxa/zylonite_pxa300.c | 1 + arch/arm/mach-pxa/zylonite_pxa320.c | 1 + 2 files changed, 2 insertions(+) (limited to 'arch/arm/mach-pxa') diff --git a/arch/arm/mach-pxa/zylonite_pxa300.c b/arch/arm/mach-pxa/zylonite_pxa300.c index c1f73205d078..e99555b76a08 100644 --- a/arch/arm/mach-pxa/zylonite_pxa300.c +++ b/arch/arm/mach-pxa/zylonite_pxa300.c @@ -72,6 +72,7 @@ static mfp_cfg_t common_mfp_cfg[] __initdata = { GPIO25_AC97_SDATA_IN_0, GPIO27_AC97_SDATA_OUT, GPIO28_AC97_SYNC, + GPIO17_GPIO, /* SDATA_IN_1 but unused - configure to GPIO */ /* SSP3 */ GPIO91_SSP3_SCLK, diff --git a/arch/arm/mach-pxa/zylonite_pxa320.c b/arch/arm/mach-pxa/zylonite_pxa320.c index 4e1c488c6906..cc5a22833605 100644 --- a/arch/arm/mach-pxa/zylonite_pxa320.c +++ b/arch/arm/mach-pxa/zylonite_pxa320.c @@ -68,6 +68,7 @@ static mfp_cfg_t mfp_cfg[] __initdata = { GPIO38_AC97_SYNC, GPIO39_AC97_BITCLK, GPIO40_AC97_nACRESET, + GPIO36_GPIO, /* SDATA_IN_1 but unused - configure to GPIO */ /* SSP3 */ GPIO89_SSP3_SCLK, -- cgit v1.2.3 From b49e385fc7cb4e6ed4206dfdab2b2579c5076120 Mon Sep 17 00:00:00 2001 From: Eric Miao Date: Wed, 22 Apr 2009 18:38:40 +0800 Subject: [ARM] pxa/zylonite: configure GPIO18/19 correctly, used by 2 GPIO expanders Signed-off-by: Eric Miao --- arch/arm/mach-pxa/zylonite_pxa300.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'arch/arm/mach-pxa') diff --git a/arch/arm/mach-pxa/zylonite_pxa300.c b/arch/arm/mach-pxa/zylonite_pxa300.c index e99555b76a08..c256c57642c0 100644 --- a/arch/arm/mach-pxa/zylonite_pxa300.c +++ b/arch/arm/mach-pxa/zylonite_pxa300.c @@ -127,6 +127,10 @@ static mfp_cfg_t common_mfp_cfg[] __initdata = { /* Standard I2C */ GPIO21_I2C_SCL, GPIO22_I2C_SDA, + + /* GPIO */ + GPIO18_GPIO, /* GPIO Expander #0 INT_N */ + GPIO19_GPIO, /* GPIO Expander #1 INT_N */ }; static mfp_cfg_t pxa300_mfp_cfg[] __initdata = { -- cgit v1.2.3 From fc76132b1e72efe45b5a5a693caadd54c3037f55 Mon Sep 17 00:00:00 2001 From: Eric Miao Date: Mon, 13 Apr 2009 11:06:49 +0800 Subject: [ARM] pxa/littleton: add missing da9034 touchscreen support Signed-off-by: Eric Miao --- arch/arm/mach-pxa/littleton.c | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'arch/arm/mach-pxa') diff --git a/arch/arm/mach-pxa/littleton.c b/arch/arm/mach-pxa/littleton.c index e13f6a81c223..c872b9feb4d4 100644 --- a/arch/arm/mach-pxa/littleton.c +++ b/arch/arm/mach-pxa/littleton.c @@ -334,6 +334,11 @@ static struct led_info littleton_da9034_leds[] = { }, }; +static struct da9034_touch_pdata littleton_da9034_touch = { + .x_inverted = 1, + .interval_ms = 20, +}; + static struct da903x_subdev_info littleton_da9034_subdevs[] = { { .name = "da903x-led", @@ -350,6 +355,10 @@ static struct da903x_subdev_info littleton_da9034_subdevs[] = { }, { .name = "da903x-backlight", .id = DA9034_ID_WLED, + }, { + .name = "da9034-touch", + .id = DA9034_ID_TOUCH, + .platform_data = &littleton_da9034_touch, }, }; -- cgit v1.2.3 From 283a5d250e5315b76e7bfd7498c581324c922bfe Mon Sep 17 00:00:00 2001 From: "Robert P. J. Day" Date: Sat, 2 May 2009 10:14:15 -0400 Subject: [ARM] Kconfig typo fix: "PXA930" -> "CPU_PXA930". Signed-off-by: Robert P. J. Day Signed-off-by: Russell King --- arch/arm/mach-pxa/Kconfig | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'arch/arm/mach-pxa') diff --git a/arch/arm/mach-pxa/Kconfig b/arch/arm/mach-pxa/Kconfig index 3e66d9099eab..17d3fbd368a3 100644 --- a/arch/arm/mach-pxa/Kconfig +++ b/arch/arm/mach-pxa/Kconfig @@ -289,12 +289,12 @@ config MACH_LITTLETON config MACH_TAVOREVB bool "PXA930 Evaluation Board (aka TavorEVB)" select PXA3xx - select PXA930 + select CPU_PXA930 config MACH_SAAR bool "PXA930 Handheld Platform (aka SAAR)" select PXA3xx - select PXA930 + select CPU_PXA930 config MACH_ARMCORE bool "CompuLab CM-X255/CM-X270 modules" -- cgit v1.2.3