aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--arch/powerpc/platforms/83xx/mpc832x_rdb.c16
-rw-r--r--arch/powerpc/sysdev/fsl_soc.c14
-rw-r--r--arch/powerpc/sysdev/fsl_soc.h5
-rw-r--r--drivers/spi/spi_mpc83xx.c20
-rw-r--r--include/linux/fsl_devices.h5
5 files changed, 23 insertions, 37 deletions
diff --git a/arch/powerpc/platforms/83xx/mpc832x_rdb.c b/arch/powerpc/platforms/83xx/mpc832x_rdb.c
index 2a1295f19832..28e23cde64a1 100644
--- a/arch/powerpc/platforms/83xx/mpc832x_rdb.c
+++ b/arch/powerpc/platforms/83xx/mpc832x_rdb.c
@@ -39,16 +39,10 @@
39#endif 39#endif
40 40
41#ifdef CONFIG_QUICC_ENGINE 41#ifdef CONFIG_QUICC_ENGINE
42static void mpc83xx_spi_activate_cs(u8 cs, u8 polarity) 42static void mpc83xx_spi_cs_control(struct spi_device *spi, bool on)
43{ 43{
44 pr_debug("%s %d %d\n", __func__, cs, polarity); 44 pr_debug("%s %d %d\n", __func__, spi->chip_select, on);
45 par_io_data_set(3, 13, polarity); 45 par_io_data_set(3, 13, on);
46}
47
48static void mpc83xx_spi_deactivate_cs(u8 cs, u8 polarity)
49{
50 pr_debug("%s %d %d\n", __func__, cs, polarity);
51 par_io_data_set(3, 13, !polarity);
52} 46}
53 47
54static struct mmc_spi_platform_data mpc832x_mmc_pdata = { 48static struct mmc_spi_platform_data mpc832x_mmc_pdata = {
@@ -74,9 +68,7 @@ static int __init mpc832x_spi_init(void)
74 par_io_config_pin(3, 14, 2, 0, 0, 0); /* SD_INSERT, I */ 68 par_io_config_pin(3, 14, 2, 0, 0, 0); /* SD_INSERT, I */
75 par_io_config_pin(3, 15, 2, 0, 0, 0); /* SD_PROTECT,I */ 69 par_io_config_pin(3, 15, 2, 0, 0, 0); /* SD_PROTECT,I */
76 70
77 return fsl_spi_init(&mpc832x_spi_boardinfo, 1, 71 return fsl_spi_init(&mpc832x_spi_boardinfo, 1, mpc83xx_spi_cs_control);
78 mpc83xx_spi_activate_cs,
79 mpc83xx_spi_deactivate_cs);
80} 72}
81machine_device_initcall(mpc832x_rdb, mpc832x_spi_init); 73machine_device_initcall(mpc832x_rdb, mpc832x_spi_init);
82#endif /* CONFIG_QUICC_ENGINE */ 74#endif /* CONFIG_QUICC_ENGINE */
diff --git a/arch/powerpc/sysdev/fsl_soc.c b/arch/powerpc/sysdev/fsl_soc.c
index a01c89d3f9bd..a46c1c867930 100644
--- a/arch/powerpc/sysdev/fsl_soc.c
+++ b/arch/powerpc/sysdev/fsl_soc.c
@@ -420,8 +420,8 @@ arch_initcall(fsl_usb_of_init);
420static int __init of_fsl_spi_probe(char *type, char *compatible, u32 sysclk, 420static int __init of_fsl_spi_probe(char *type, char *compatible, u32 sysclk,
421 struct spi_board_info *board_infos, 421 struct spi_board_info *board_infos,
422 unsigned int num_board_infos, 422 unsigned int num_board_infos,
423 void (*activate_cs)(u8 cs, u8 polarity), 423 void (*cs_control)(struct spi_device *dev,
424 void (*deactivate_cs)(u8 cs, u8 polarity)) 424 bool on))
425{ 425{
426 struct device_node *np; 426 struct device_node *np;
427 unsigned int i = 0; 427 unsigned int i = 0;
@@ -433,8 +433,7 @@ static int __init of_fsl_spi_probe(char *type, char *compatible, u32 sysclk,
433 struct resource res[2]; 433 struct resource res[2];
434 struct platform_device *pdev; 434 struct platform_device *pdev;
435 struct fsl_spi_platform_data pdata = { 435 struct fsl_spi_platform_data pdata = {
436 .activate_cs = activate_cs, 436 .cs_control = cs_control,
437 .deactivate_cs = deactivate_cs,
438 }; 437 };
439 438
440 memset(res, 0, sizeof(res)); 439 memset(res, 0, sizeof(res));
@@ -501,8 +500,7 @@ next:
501 500
502int __init fsl_spi_init(struct spi_board_info *board_infos, 501int __init fsl_spi_init(struct spi_board_info *board_infos,
503 unsigned int num_board_infos, 502 unsigned int num_board_infos,
504 void (*activate_cs)(u8 cs, u8 polarity), 503 void (*cs_control)(struct spi_device *spi, bool on))
505 void (*deactivate_cs)(u8 cs, u8 polarity))
506{ 504{
507 u32 sysclk = -1; 505 u32 sysclk = -1;
508 int ret; 506 int ret;
@@ -518,10 +516,10 @@ int __init fsl_spi_init(struct spi_board_info *board_infos,
518 } 516 }
519 517
520 ret = of_fsl_spi_probe(NULL, "fsl,spi", sysclk, board_infos, 518 ret = of_fsl_spi_probe(NULL, "fsl,spi", sysclk, board_infos,
521 num_board_infos, activate_cs, deactivate_cs); 519 num_board_infos, cs_control);
522 if (!ret) 520 if (!ret)
523 of_fsl_spi_probe("spi", "fsl_spi", sysclk, board_infos, 521 of_fsl_spi_probe("spi", "fsl_spi", sysclk, board_infos,
524 num_board_infos, activate_cs, deactivate_cs); 522 num_board_infos, cs_control);
525 523
526 return spi_register_board_info(board_infos, num_board_infos); 524 return spi_register_board_info(board_infos, num_board_infos);
527} 525}
diff --git a/arch/powerpc/sysdev/fsl_soc.h b/arch/powerpc/sysdev/fsl_soc.h
index 9c744e4285a0..b5f3456780b8 100644
--- a/arch/powerpc/sysdev/fsl_soc.h
+++ b/arch/powerpc/sysdev/fsl_soc.h
@@ -4,6 +4,8 @@
4 4
5#include <asm/mmu.h> 5#include <asm/mmu.h>
6 6
7struct spi_device;
8
7extern phys_addr_t get_immrbase(void); 9extern phys_addr_t get_immrbase(void);
8#if defined(CONFIG_CPM2) || defined(CONFIG_QUICC_ENGINE) || defined(CONFIG_8xx) 10#if defined(CONFIG_CPM2) || defined(CONFIG_QUICC_ENGINE) || defined(CONFIG_8xx)
9extern u32 get_brgfreq(void); 11extern u32 get_brgfreq(void);
@@ -19,8 +21,7 @@ struct device_node;
19 21
20extern int fsl_spi_init(struct spi_board_info *board_infos, 22extern int fsl_spi_init(struct spi_board_info *board_infos,
21 unsigned int num_board_infos, 23 unsigned int num_board_infos,
22 void (*activate_cs)(u8 cs, u8 polarity), 24 void (*cs_control)(struct spi_device *spi, bool on));
23 void (*deactivate_cs)(u8 cs, u8 polarity));
24 25
25extern void fsl_rstcr_restart(char *cmd); 26extern void fsl_rstcr_restart(char *cmd);
26 27
diff --git a/drivers/spi/spi_mpc83xx.c b/drivers/spi/spi_mpc83xx.c
index df6420029004..b95085a46f90 100644
--- a/drivers/spi/spi_mpc83xx.c
+++ b/drivers/spi/spi_mpc83xx.c
@@ -89,9 +89,6 @@ struct mpc83xx_spi {
89 89
90 bool qe_mode; 90 bool qe_mode;
91 91
92 void (*activate_cs) (u8 cs, u8 polarity);
93 void (*deactivate_cs) (u8 cs, u8 polarity);
94
95 u8 busy; 92 u8 busy;
96 93
97 struct workqueue_struct *workqueue; 94 struct workqueue_struct *workqueue;
@@ -153,15 +150,14 @@ MPC83XX_SPI_TX_BUF(u32)
153 150
154static void mpc83xx_spi_chipselect(struct spi_device *spi, int value) 151static void mpc83xx_spi_chipselect(struct spi_device *spi, int value)
155{ 152{
156 struct mpc83xx_spi *mpc83xx_spi; 153 struct mpc83xx_spi *mpc83xx_spi = spi_master_get_devdata(spi->master);
157 u8 pol = spi->mode & SPI_CS_HIGH ? 1 : 0; 154 struct fsl_spi_platform_data *pdata = spi->dev.parent->platform_data;
155 bool pol = spi->mode & SPI_CS_HIGH;
158 struct spi_mpc83xx_cs *cs = spi->controller_state; 156 struct spi_mpc83xx_cs *cs = spi->controller_state;
159 157
160 mpc83xx_spi = spi_master_get_devdata(spi->master);
161
162 if (value == BITBANG_CS_INACTIVE) { 158 if (value == BITBANG_CS_INACTIVE) {
163 if (mpc83xx_spi->deactivate_cs) 159 if (pdata->cs_control)
164 mpc83xx_spi->deactivate_cs(spi->chip_select, pol); 160 pdata->cs_control(spi, !pol);
165 } 161 }
166 162
167 if (value == BITBANG_CS_ACTIVE) { 163 if (value == BITBANG_CS_ACTIVE) {
@@ -186,8 +182,8 @@ static void mpc83xx_spi_chipselect(struct spi_device *spi, int value)
186 mpc83xx_spi_write_reg(mode, regval); 182 mpc83xx_spi_write_reg(mode, regval);
187 local_irq_restore(flags); 183 local_irq_restore(flags);
188 } 184 }
189 if (mpc83xx_spi->activate_cs) 185 if (pdata->cs_control)
190 mpc83xx_spi->activate_cs(spi->chip_select, pol); 186 pdata->cs_control(spi, pol);
191 } 187 }
192} 188}
193 189
@@ -582,8 +578,6 @@ static int __init mpc83xx_spi_probe(struct platform_device *dev)
582 master->cleanup = mpc83xx_spi_cleanup; 578 master->cleanup = mpc83xx_spi_cleanup;
583 579
584 mpc83xx_spi = spi_master_get_devdata(master); 580 mpc83xx_spi = spi_master_get_devdata(master);
585 mpc83xx_spi->activate_cs = pdata->activate_cs;
586 mpc83xx_spi->deactivate_cs = pdata->deactivate_cs;
587 mpc83xx_spi->qe_mode = pdata->qe_mode; 581 mpc83xx_spi->qe_mode = pdata->qe_mode;
588 mpc83xx_spi->get_rx = mpc83xx_spi_rx_buf_u8; 582 mpc83xx_spi->get_rx = mpc83xx_spi_rx_buf_u8;
589 mpc83xx_spi->get_tx = mpc83xx_spi_tx_buf_u8; 583 mpc83xx_spi->get_tx = mpc83xx_spi_tx_buf_u8;
diff --git a/include/linux/fsl_devices.h b/include/linux/fsl_devices.h
index d9051d717d27..7bc1b643d370 100644
--- a/include/linux/fsl_devices.h
+++ b/include/linux/fsl_devices.h
@@ -95,14 +95,15 @@ struct fsl_usb2_platform_data {
95#define FSL_USB2_PORT0_ENABLED 0x00000001 95#define FSL_USB2_PORT0_ENABLED 0x00000001
96#define FSL_USB2_PORT1_ENABLED 0x00000002 96#define FSL_USB2_PORT1_ENABLED 0x00000002
97 97
98struct spi_device;
99
98struct fsl_spi_platform_data { 100struct fsl_spi_platform_data {
99 u32 initial_spmode; /* initial SPMODE value */ 101 u32 initial_spmode; /* initial SPMODE value */
100 u16 bus_num; 102 u16 bus_num;
101 bool qe_mode; 103 bool qe_mode;
102 /* board specific information */ 104 /* board specific information */
103 u16 max_chipselect; 105 u16 max_chipselect;
104 void (*activate_cs)(u8 cs, u8 polarity); 106 void (*cs_control)(struct spi_device *spi, bool on);
105 void (*deactivate_cs)(u8 cs, u8 polarity);
106 u32 sysclk; 107 u32 sysclk;
107}; 108};
108 109