diff options
Diffstat (limited to 'target/linux/ar71xx/patches-3.3/207-spi-ath79-make-chipselect-logic-more-flexible.patch')
| -rw-r--r-- | target/linux/ar71xx/patches-3.3/207-spi-ath79-make-chipselect-logic-more-flexible.patch | 116 |
1 files changed, 102 insertions, 14 deletions
diff --git a/target/linux/ar71xx/patches-3.3/207-spi-ath79-make-chipselect-logic-more-flexible.patch b/target/linux/ar71xx/patches-3.3/207-spi-ath79-make-chipselect-logic-more-flexible.patch index af96f55735..08d544fc45 100644 --- a/target/linux/ar71xx/patches-3.3/207-spi-ath79-make-chipselect-logic-more-flexible.patch +++ b/target/linux/ar71xx/patches-3.3/207-spi-ath79-make-chipselect-logic-more-flexible.patch @@ -1,14 +1,102 @@ -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 { @@ -29,16 +117,16 @@ Signed-off-by: Gabor Juhos <juhosg@openwrt.org> #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; @@ -46,7 +134,7 @@ Signed-off-by: Gabor Juhos <juhosg@openwrt.org> 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); } @@ -77,7 +165,7 @@ Signed-off-by: Gabor Juhos <juhosg@openwrt.org> } 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; @@ -112,7 +200,7 @@ Signed-off-by: Gabor Juhos <juhosg@openwrt.org> } 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) { @@ -131,8 +219,8 @@ Signed-off-by: Gabor Juhos <juhosg@openwrt.org> } } -@@ -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; @@ -142,7 +230,7 @@ Signed-off-by: Gabor Juhos <juhosg@openwrt.org> 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); |