-From b875f877d06acb852342636db4c3d1e6c9fe01ba Mon Sep 17 00:00:00 2001
+From bdbd9b2861ba73557795915598bb276a8568d130 Mon Sep 17 00:00:00 2001
From: Gabor Juhos <juhosg@openwrt.org>
Date: Wed, 11 Jan 2012 22:25:11 +0100
Subject: [PATCH 7/7] spi/ath79: make chipselect logic more flexible
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
---
+ arch/mips/ath79/mach-ap121.c | 6 ++
+ arch/mips/ath79/mach-ap81.c | 6 ++
+ arch/mips/ath79/mach-pb44.c | 6 ++
+ arch/mips/ath79/mach-ubnt-xm.c | 6 ++
.../include/asm/mach-ath79/ath79_spi_platform.h | 8 ++-
- drivers/spi/spi-ath79.c | 65 +++++++++++--------
- 2 files changed, 45 insertions(+), 28 deletions(-)
+ drivers/spi/spi-ath79.c | 63 ++++++++++++--------
+ 6 files changed, 69 insertions(+), 26 deletions(-)
+--- a/arch/mips/ath79/mach-ap121.c
++++ b/arch/mips/ath79/mach-ap121.c
+@@ -58,12 +58,18 @@ static struct gpio_keys_button ap121_gpi
+ }
+ };
+
++static struct ath79_spi_controller_data ap121_spi0_data = {
++ .cs_type = ATH79_SPI_CS_TYPE_INTERNAL,
++ .cs_line = 0,
++};
++
+ static struct spi_board_info ap121_spi_info[] = {
+ {
+ .bus_num = 0,
+ .chip_select = 0,
+ .max_speed_hz = 25000000,
+ .modalias = "mx25l1606e",
++ .controller_data = &ap121_spi0_data,
+ }
+ };
+
+--- a/arch/mips/ath79/mach-ap81.c
++++ b/arch/mips/ath79/mach-ap81.c
+@@ -67,12 +67,18 @@ static struct gpio_keys_button ap81_gpio
+ }
+ };
+
++static struct ath79_spi_controller_data ap81_spi0_data = {
++ .cs_type = ATH79_SPI_CS_TYPE_INTERNAL,
++ .cs_line = 0,
++};
++
+ static struct spi_board_info ap81_spi_info[] = {
+ {
+ .bus_num = 0,
+ .chip_select = 0,
+ .max_speed_hz = 25000000,
+ .modalias = "m25p64",
++ .controller_data = &ap81_spi0_data,
+ }
+ };
+
+--- a/arch/mips/ath79/mach-pb44.c
++++ b/arch/mips/ath79/mach-pb44.c
+@@ -87,12 +87,18 @@ static struct gpio_keys_button pb44_gpio
+ }
+ };
+
++static struct ath79_spi_controller_data pb44_spi0_data = {
++ .cs_type = ATH79_SPI_CS_TYPE_INTERNAL,
++ .cs_line = 0,
++};
++
+ static struct spi_board_info pb44_spi_info[] = {
+ {
+ .bus_num = 0,
+ .chip_select = 0,
+ .max_speed_hz = 25000000,
+ .modalias = "m25p64",
++ .controller_data = &pb44_spi0_data,
+ },
+ };
+
+--- a/arch/mips/ath79/mach-ubnt-xm.c
++++ b/arch/mips/ath79/mach-ubnt-xm.c
+@@ -65,12 +65,18 @@ static struct gpio_keys_button ubnt_xm_g
+ }
+ };
+
++static struct ath79_spi_controller_data ubnt_xm_spi0_data = {
++ .cs_type = ATH79_SPI_CS_TYPE_INTERNAL,
++ .cs_line = 0,
++};
++
+ static struct spi_board_info ubnt_xm_spi_info[] = {
+ {
+ .bus_num = 0,
+ .chip_select = 0,
+ .max_speed_hz = 25000000,
+ .modalias = "mx25l6405d",
++ .controller_data = &ubnt_xm_spi0_data,
+ }
+ };
+
--- a/arch/mips/include/asm/mach-ath79/ath79_spi_platform.h
+++ b/arch/mips/include/asm/mach-ath79/ath79_spi_platform.h
@@ -16,8 +16,14 @@ struct ath79_spi_platform_data {
#endif /* _ATH79_SPI_PLATFORM_H */
--- a/drivers/spi/spi-ath79.c
+++ b/drivers/spi/spi-ath79.c
-@@ -30,6 +30,8 @@
-
- #define DRV_NAME "ath79-spi"
+@@ -35,6 +35,8 @@
+ #define ATH79_SPI_RRW_DELAY_FACTOR 12000
+ #define MHZ (1000 * 1000)
-+#define ATH79_SPI_CS_LINE_MAX 2
++#define ATH79_SPI_CS_LINE_MAX 2
+
struct ath79_spi {
struct spi_bitbang bitbang;
u32 ioc_base;
-@@ -62,6 +64,7 @@ static void ath79_spi_chipselect(struct
+@@ -69,6 +71,7 @@ static void ath79_spi_chipselect(struct
{
struct ath79_spi *sp = ath79_spidev_to_sp(spi);
int cs_high = (spi->mode & SPI_CS_HIGH) ? is_active : !is_active;
if (is_active) {
/* set initial clock polarity */
-@@ -73,20 +76,21 @@ static void ath79_spi_chipselect(struct
+@@ -80,20 +83,21 @@ static void ath79_spi_chipselect(struct
ath79_spi_wr(sp, AR71XX_SPI_REG_IOC, sp->ioc_base);
}
}
static void ath79_spi_enable(struct ath79_spi *sp)
-@@ -113,24 +117,30 @@ static void ath79_spi_disable(struct ath
+@@ -120,24 +124,30 @@ static void ath79_spi_disable(struct ath
static int ath79_spi_setup_cs(struct spi_device *spi)
{
struct ath79_spi_controller_data *cdata;
}
return status;
-@@ -138,9 +148,15 @@ static int ath79_spi_setup_cs(struct spi
+@@ -145,9 +155,15 @@ static int ath79_spi_setup_cs(struct spi
static void ath79_spi_cleanup_cs(struct spi_device *spi)
{
}
}
-@@ -206,6 +222,10 @@ static __devinit int ath79_spi_probe(str
- struct resource *r;
+@@ -215,6 +231,10 @@ static __devinit int ath79_spi_probe(str
+ unsigned long rate;
int ret;
+ pdata = pdev->dev.platform_data;
master = spi_alloc_master(&pdev->dev, sizeof(*sp));
if (master == NULL) {
dev_err(&pdev->dev, "failed to allocate spi master\n");
-@@ -215,17 +235,10 @@ static __devinit int ath79_spi_probe(str
+@@ -224,17 +244,10 @@ static __devinit int ath79_spi_probe(str
sp = spi_master_get_devdata(master);
platform_set_drvdata(pdev, sp);
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