mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-11-09 23:51:56 +02:00
28ea12b3b3
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@23421 3c298f89-4303-0410-b956-a3cf2f4a3e73
91 lines
2.3 KiB
Diff
91 lines
2.3 KiB
Diff
From 9e8c7624668261bd0b6ee751642ca2c60a8aaba9 Mon Sep 17 00:00:00 2001
|
|
From: Lars-Peter Clausen <lars@metafoo.de>
|
|
Date: Sun, 5 Sep 2010 20:36:59 +0200
|
|
Subject: [PATCH] MFD: jz4740-adc: Add support for the touchscreen part of the adc unit
|
|
|
|
---
|
|
drivers/mfd/jz4740-adc.c | 39 ++++++++++++++++++++++++++++++++++++---
|
|
include/linux/jz4740-adc.h | 2 +-
|
|
2 files changed, 37 insertions(+), 4 deletions(-)
|
|
|
|
--- a/drivers/mfd/jz4740-adc.c
|
|
+++ b/drivers/mfd/jz4740-adc.c
|
|
@@ -46,9 +46,9 @@
|
|
enum {
|
|
JZ_ADC_IRQ_ADCIN = 0,
|
|
JZ_ADC_IRQ_BATTERY,
|
|
- JZ_ADC_IRQ_TOUCH,
|
|
- JZ_ADC_IRQ_PENUP,
|
|
- JZ_ADC_IRQ_PENDOWN,
|
|
+ JZ_ADC_IRQ_TS_DATA_READY,
|
|
+ JZ_ADC_IRQ_TS_PENUP,
|
|
+ JZ_ADC_IRQ_TS_PENDOWN,
|
|
};
|
|
|
|
struct jz4740_adc {
|
|
@@ -101,6 +101,7 @@ static void jz4740_adc_irq_ack(unsigned
|
|
struct jz4740_adc *adc = get_irq_chip_data(irq);
|
|
|
|
irq -= adc->irq_base;
|
|
+
|
|
writeb(BIT(irq), adc->base + JZ_REG_ADC_STATUS);
|
|
}
|
|
|
|
@@ -227,6 +228,27 @@ static struct resource jz4740_battery_re
|
|
},
|
|
};
|
|
|
|
+static struct resource jz4740_ts_resources[] = {
|
|
+ {
|
|
+ .start = JZ_ADC_IRQ_TS_DATA_READY,
|
|
+ .flags = IORESOURCE_IRQ,
|
|
+ },
|
|
+ {
|
|
+ .start = JZ_ADC_IRQ_TS_PENUP,
|
|
+ .flags = IORESOURCE_IRQ,
|
|
+ },
|
|
+ {
|
|
+ .start = JZ_ADC_IRQ_TS_PENDOWN,
|
|
+ .flags = IORESOURCE_IRQ,
|
|
+ },
|
|
+ {
|
|
+ .start = JZ_REG_ADC_TOUCHSCREEN_BASE,
|
|
+ .end = JZ_REG_ADC_TOUCHSCREEN_BASE + 0xb,
|
|
+ .flags = IORESOURCE_MEM,
|
|
+ },
|
|
+};
|
|
+
|
|
+
|
|
const struct mfd_cell jz4740_adc_cells[] = {
|
|
{
|
|
.id = 0,
|
|
@@ -250,6 +272,17 @@ const struct mfd_cell jz4740_adc_cells[]
|
|
.enable = jz4740_adc_cell_enable,
|
|
.disable = jz4740_adc_cell_disable,
|
|
},
|
|
+ {
|
|
+ .id = 2,
|
|
+ .name = "jz4740-ts",
|
|
+ .num_resources = ARRAY_SIZE(jz4740_ts_resources),
|
|
+ .resources = jz4740_ts_resources,
|
|
+ .platform_data = (void *)&jz4740_adc_cells[2],
|
|
+ .data_size = sizeof(struct mfd_cell),
|
|
+
|
|
+ .enable = jz4740_adc_cell_enable,
|
|
+ .disable = jz4740_adc_cell_disable,
|
|
+ },
|
|
};
|
|
|
|
static int __devinit jz4740_adc_probe(struct platform_device *pdev)
|
|
--- a/include/linux/jz4740-adc.h
|
|
+++ b/include/linux/jz4740-adc.h
|
|
@@ -25,7 +25,7 @@ int jz4740_adc_set_config(struct device
|
|
#define JZ_ADC_CONFIG_BAT_MB BIT(4)
|
|
|
|
#define JZ_ADC_CONFIG_DNUM(dnum) ((dnum) << 16)
|
|
-#define JZ_ADC_CONFIG_XYZ_OFFSET(dnum) ((xyz) << 13)
|
|
+#define JZ_ADC_CONFIG_XYZ_OFFSET(xyz) ((xyz) << 13)
|
|
#define JZ_ADC_CONFIG_SAMPLE_NUM(x) ((x) << 10)
|
|
#define JZ_ADC_CONFIG_CLKDIV(div) ((div) << 5)
|
|
|