diff options
Diffstat (limited to 'target/linux/lantiq/patches-3.0/420-spi3.patch')
| -rw-r--r-- | target/linux/lantiq/patches-3.0/420-spi3.patch | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/target/linux/lantiq/patches-3.0/420-spi3.patch b/target/linux/lantiq/patches-3.0/420-spi3.patch new file mode 100644 index 0000000000..62b68d343e --- /dev/null +++ b/target/linux/lantiq/patches-3.0/420-spi3.patch @@ -0,0 +1,89 @@ +From: Daniel Schwierzeck <daniel.schwierzeck@googlemail.com> +Date: Thu, 3 Mar 2011 20:42:26 +0000 (+0100) +Subject: MIPS: lantiq: Add device register helper for SPI controller and devices +X-Git-Url: http://nbd.name/gitweb.cgi?p=lantiq.git;a=commitdiff_plain;h=b35b07062b718ece9b9cb7b23b12d83a087eafb0;hp=653c95b8b9066c9c6ac08bd64d0ceee439e9fd90 + +MIPS: lantiq: Add device register helper for SPI controller and devices + +Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@googlemail.com> +--- + +--- a/arch/mips/lantiq/xway/devices.h ++++ b/arch/mips/lantiq/xway/devices.h +@@ -11,10 +11,13 @@ + + #include "../devices.h" + #include <linux/phy.h> ++#include <linux/spi/spi.h> + + extern void ltq_register_gpio(void); + extern void ltq_register_gpio_stp(void); + extern void ltq_register_ase_asc(void); + extern void ltq_register_etop(struct ltq_eth_data *eth); ++extern void ltq_register_spi(struct ltq_spi_platform_data *pdata, ++ struct spi_board_info const *info, unsigned n); + + #endif +--- a/arch/mips/lantiq/xway/devices.c ++++ b/arch/mips/lantiq/xway/devices.c +@@ -21,6 +21,7 @@ + #include <linux/io.h> + #include <linux/gpio.h> + #include <linux/leds.h> ++#include <linux/spi/spi.h> + + #include <asm/bootinfo.h> + #include <asm/irq.h> +@@ -119,3 +120,41 @@ + platform_device_register(<q_etop); + } + } ++ ++static struct resource ltq_spi_resources[] = { ++ { ++ .start = LTQ_SSC_BASE_ADDR, ++ .end = LTQ_SSC_BASE_ADDR + LTQ_SSC_SIZE - 1, ++ .flags = IORESOURCE_MEM, ++ }, ++ IRQ_RES(spi_tx, LTQ_SSC_TIR), ++ IRQ_RES(spi_rx, LTQ_SSC_RIR), ++ IRQ_RES(spi_err, LTQ_SSC_EIR), ++}; ++ ++static struct resource ltq_spi_resources_ar9[] = { ++ { ++ .start = LTQ_SSC_BASE_ADDR, ++ .end = LTQ_SSC_BASE_ADDR + LTQ_SSC_SIZE - 1, ++ .flags = IORESOURCE_MEM, ++ }, ++ IRQ_RES(spi_tx, LTQ_SSC_TIR_AR9), ++ IRQ_RES(spi_rx, LTQ_SSC_RIR_AR9), ++ IRQ_RES(spi_err, LTQ_SSC_EIR), ++}; ++ ++static struct platform_device ltq_spi = { ++ .name = "ltq-spi", ++ .resource = ltq_spi_resources, ++ .num_resources = ARRAY_SIZE(ltq_spi_resources), ++}; ++ ++void __init ltq_register_spi(struct ltq_spi_platform_data *pdata, ++ struct spi_board_info const *info, unsigned n) ++{ ++ if(ltq_is_ar9()) ++ ltq_spi.resource = ltq_spi_resources_ar9; ++ spi_register_board_info(info, n); ++ ltq_spi.dev.platform_data = pdata; ++ platform_device_register(<q_spi); ++} +--- a/arch/mips/include/asm/mach-lantiq/xway/lantiq_irq.h ++++ b/arch/mips/include/asm/mach-lantiq/xway/lantiq_irq.h +@@ -27,6 +27,8 @@ + + #define LTQ_SSC_TIR (INT_NUM_IM0_IRL0 + 15) + #define LTQ_SSC_RIR (INT_NUM_IM0_IRL0 + 14) ++#define LTQ_SSC_TIR_AR9 (INT_NUM_IM0_IRL0 + 14) ++#define LTQ_SSC_RIR_AR9 (INT_NUM_IM0_IRL0 + 15) + #define LTQ_SSC_EIR (INT_NUM_IM0_IRL0 + 16) + + #define LTQ_MEI_DYING_GASP_INT (INT_NUM_IM1_IRL0 + 21) |