| 1 | From: Daniel Schwierzeck <daniel.schwierzeck@googlemail.com> |
| 2 | Date: Thu, 3 Mar 2011 20:42:26 +0000 (+0100) |
| 3 | Subject: MIPS: lantiq: Add device register helper for SPI controller and devices |
| 4 | X-Git-Url: http://nbd.name/gitweb.cgi?p=lantiq.git;a=commitdiff_plain;h=b35b07062b718ece9b9cb7b23b12d83a087eafb0;hp=653c95b8b9066c9c6ac08bd64d0ceee439e9fd90 |
| 5 | |
| 6 | MIPS: lantiq: Add device register helper for SPI controller and devices |
| 7 | |
| 8 | Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@googlemail.com> |
| 9 | --- |
| 10 | |
| 11 | --- a/arch/mips/lantiq/xway/devices.c |
| 12 | +++ b/arch/mips/lantiq/xway/devices.c |
| 13 | @@ -21,6 +21,7 @@ |
| 14 | #include <linux/io.h> |
| 15 | #include <linux/gpio.h> |
| 16 | #include <linux/leds.h> |
| 17 | +#include <linux/spi/spi.h> |
| 18 | |
| 19 | #include <asm/bootinfo.h> |
| 20 | #include <asm/irq.h> |
| 21 | @@ -119,3 +120,41 @@ |
| 22 | platform_device_register(<q_etop); |
| 23 | } |
| 24 | } |
| 25 | + |
| 26 | +static struct resource ltq_spi_resources[] = { |
| 27 | + { |
| 28 | + .start = LTQ_SSC_BASE_ADDR, |
| 29 | + .end = LTQ_SSC_BASE_ADDR + LTQ_SSC_SIZE - 1, |
| 30 | + .flags = IORESOURCE_MEM, |
| 31 | + }, |
| 32 | + IRQ_RES(spi_tx, LTQ_SSC_TIR), |
| 33 | + IRQ_RES(spi_rx, LTQ_SSC_RIR), |
| 34 | + IRQ_RES(spi_err, LTQ_SSC_EIR), |
| 35 | +}; |
| 36 | + |
| 37 | +static struct resource ltq_spi_resources_ar9[] = { |
| 38 | + { |
| 39 | + .start = LTQ_SSC_BASE_ADDR, |
| 40 | + .end = LTQ_SSC_BASE_ADDR + LTQ_SSC_SIZE - 1, |
| 41 | + .flags = IORESOURCE_MEM, |
| 42 | + }, |
| 43 | + IRQ_RES(spi_tx, LTQ_SSC_TIR_AR9), |
| 44 | + IRQ_RES(spi_rx, LTQ_SSC_RIR_AR9), |
| 45 | + IRQ_RES(spi_err, LTQ_SSC_EIR), |
| 46 | +}; |
| 47 | + |
| 48 | +static struct platform_device ltq_spi = { |
| 49 | + .name = "ltq-spi", |
| 50 | + .resource = ltq_spi_resources, |
| 51 | + .num_resources = ARRAY_SIZE(ltq_spi_resources), |
| 52 | +}; |
| 53 | + |
| 54 | +void __init ltq_register_spi(struct ltq_spi_platform_data *pdata, |
| 55 | + struct spi_board_info const *info, unsigned n) |
| 56 | +{ |
| 57 | + if(ltq_is_ar9()) |
| 58 | + ltq_spi.resource = ltq_spi_resources_ar9; |
| 59 | + spi_register_board_info(info, n); |
| 60 | + ltq_spi.dev.platform_data = pdata; |
| 61 | + platform_device_register(<q_spi); |
| 62 | +} |
| 63 | --- a/arch/mips/include/asm/mach-lantiq/xway/lantiq_irq.h |
| 64 | +++ b/arch/mips/include/asm/mach-lantiq/xway/lantiq_irq.h |
| 65 | @@ -27,6 +27,8 @@ |
| 66 | |
| 67 | #define LTQ_SSC_TIR (INT_NUM_IM0_IRL0 + 15) |
| 68 | #define LTQ_SSC_RIR (INT_NUM_IM0_IRL0 + 14) |
| 69 | +#define LTQ_SSC_TIR_AR9 (INT_NUM_IM0_IRL0 + 14) |
| 70 | +#define LTQ_SSC_RIR_AR9 (INT_NUM_IM0_IRL0 + 15) |
| 71 | #define LTQ_SSC_EIR (INT_NUM_IM0_IRL0 + 16) |
| 72 | |
| 73 | #define LTQ_MEI_DYING_GASP_INT (INT_NUM_IM1_IRL0 + 21) |
| 74 | |
