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authorArnd Bergmann <arnd@arndb.de>2011-12-27 23:56:51 +0000
committerArnd Bergmann <arnd@arndb.de>2011-12-27 23:56:51 +0000
commit8a44930a11de8d66f92145fd2d2464ab4fba696b (patch)
treed21f312d04fc14fae2f9aa3473f1424ad10d2647 /arch/arm/plat-samsung
parentcecd902ab4d1c489a121ad4b36f8982842802af5 (diff)
parent7d38af51d587ad953eef786a6922bcd1482cae5c (diff)
Merge branch 'next-samsung-cleanup-spi4' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into samsung/cleanup
Diffstat (limited to 'arch/arm/plat-samsung')
-rw-r--r--arch/arm/plat-samsung/Kconfig16
-rw-r--r--arch/arm/plat-samsung/devs.c127
-rw-r--r--arch/arm/plat-samsung/include/plat/devs.h8
-rw-r--r--arch/arm/plat-samsung/include/plat/s3c64xx-spi.h22
4 files changed, 158 insertions, 15 deletions
diff --git a/arch/arm/plat-samsung/Kconfig b/arch/arm/plat-samsung/Kconfig
index 313eb26cfa6..160eea15a6e 100644
--- a/arch/arm/plat-samsung/Kconfig
+++ b/arch/arm/plat-samsung/Kconfig
@@ -226,11 +226,23 @@ config SAMSUNG_DEV_IDE
help
Compile in platform device definitions for IDE
-config S3C64XX_DEV_SPI
+config S3C64XX_DEV_SPI0
bool
help
Compile in platform device definitions for S3C64XX's type
- SPI controllers.
+ SPI controller 0
+
+config S3C64XX_DEV_SPI1
+ bool
+ help
+ Compile in platform device definitions for S3C64XX's type
+ SPI controller 1
+
+config S3C64XX_DEV_SPI2
+ bool
+ help
+ Compile in platform device definitions for S3C64XX's type
+ SPI controller 2
config SAMSUNG_DEV_TS
bool
diff --git a/arch/arm/plat-samsung/devs.c b/arch/arm/plat-samsung/devs.c
index 4ca8b571f97..de0d88d6a0f 100644
--- a/arch/arm/plat-samsung/devs.c
+++ b/arch/arm/plat-samsung/devs.c
@@ -61,6 +61,7 @@
#include <plat/regs-iic.h>
#include <plat/regs-serial.h>
#include <plat/regs-spi.h>
+#include <plat/s3c64xx-spi.h>
static u64 samsung_device_dma_mask = DMA_BIT_MASK(32);
@@ -1461,3 +1462,129 @@ struct platform_device s3c_device_wdt = {
.resource = s3c_wdt_resource,
};
#endif /* CONFIG_S3C_DEV_WDT */
+
+#ifdef CONFIG_S3C64XX_DEV_SPI0
+static struct resource s3c64xx_spi0_resource[] = {
+ [0] = DEFINE_RES_MEM(S3C_PA_SPI0, SZ_256),
+ [1] = DEFINE_RES_DMA(DMACH_SPI0_TX),
+ [2] = DEFINE_RES_DMA(DMACH_SPI0_RX),
+ [3] = DEFINE_RES_IRQ(IRQ_SPI0),
+};
+
+struct platform_device s3c64xx_device_spi0 = {
+ .name = "s3c64xx-spi",
+ .id = 0,
+ .num_resources = ARRAY_SIZE(s3c64xx_spi0_resource),
+ .resource = s3c64xx_spi0_resource,
+ .dev = {
+ .dma_mask = &samsung_device_dma_mask,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
+ },
+};
+
+void __init s3c64xx_spi0_set_platdata(struct s3c64xx_spi_info *pd,
+ int src_clk_nr, int num_cs)
+{
+ if (!pd) {
+ pr_err("%s:Need to pass platform data\n", __func__);
+ return;
+ }
+
+ /* Reject invalid configuration */
+ if (!num_cs || src_clk_nr < 0) {
+ pr_err("%s: Invalid SPI configuration\n", __func__);
+ return;
+ }
+
+ pd->num_cs = num_cs;
+ pd->src_clk_nr = src_clk_nr;
+ if (!pd->cfg_gpio)
+ pd->cfg_gpio = s3c64xx_spi0_cfg_gpio;
+
+ s3c_set_platdata(pd, sizeof(*pd), &s3c64xx_device_spi0);
+}
+#endif /* CONFIG_S3C64XX_DEV_SPI0 */
+
+#ifdef CONFIG_S3C64XX_DEV_SPI1
+static struct resource s3c64xx_spi1_resource[] = {
+ [0] = DEFINE_RES_MEM(S3C_PA_SPI1, SZ_256),
+ [1] = DEFINE_RES_DMA(DMACH_SPI1_TX),
+ [2] = DEFINE_RES_DMA(DMACH_SPI1_RX),
+ [3] = DEFINE_RES_IRQ(IRQ_SPI1),
+};
+
+struct platform_device s3c64xx_device_spi1 = {
+ .name = "s3c64xx-spi",
+ .id = 1,
+ .num_resources = ARRAY_SIZE(s3c64xx_spi1_resource),
+ .resource = s3c64xx_spi1_resource,
+ .dev = {
+ .dma_mask = &samsung_device_dma_mask,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
+ },
+};
+
+void __init s3c64xx_spi1_set_platdata(struct s3c64xx_spi_info *pd,
+ int src_clk_nr, int num_cs)
+{
+ if (!pd) {
+ pr_err("%s:Need to pass platform data\n", __func__);
+ return;
+ }
+
+ /* Reject invalid configuration */
+ if (!num_cs || src_clk_nr < 0) {
+ pr_err("%s: Invalid SPI configuration\n", __func__);
+ return;
+ }
+
+ pd->num_cs = num_cs;
+ pd->src_clk_nr = src_clk_nr;
+ if (!pd->cfg_gpio)
+ pd->cfg_gpio = s3c64xx_spi1_cfg_gpio;
+
+ s3c_set_platdata(pd, sizeof(*pd), &s3c64xx_device_spi1);
+}
+#endif /* CONFIG_S3C64XX_DEV_SPI1 */
+
+#ifdef CONFIG_S3C64XX_DEV_SPI2
+static struct resource s3c64xx_spi2_resource[] = {
+ [0] = DEFINE_RES_MEM(S3C_PA_SPI2, SZ_256),
+ [1] = DEFINE_RES_DMA(DMACH_SPI2_TX),
+ [2] = DEFINE_RES_DMA(DMACH_SPI2_RX),
+ [3] = DEFINE_RES_IRQ(IRQ_SPI2),
+};
+
+struct platform_device s3c64xx_device_spi2 = {
+ .name = "s3c64xx-spi",
+ .id = 2,
+ .num_resources = ARRAY_SIZE(s3c64xx_spi2_resource),
+ .resource = s3c64xx_spi2_resource,
+ .dev = {
+ .dma_mask = &samsung_device_dma_mask,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
+ },
+};
+
+void __init s3c64xx_spi2_set_platdata(struct s3c64xx_spi_info *pd,
+ int src_clk_nr, int num_cs)
+{
+ if (!pd) {
+ pr_err("%s:Need to pass platform data\n", __func__);
+ return;
+ }
+
+ /* Reject invalid configuration */
+ if (!num_cs || src_clk_nr < 0) {
+ pr_err("%s: Invalid SPI configuration\n", __func__);
+ return;
+ }
+
+ pd->num_cs = num_cs;
+ pd->src_clk_nr = src_clk_nr;
+ if (!pd->cfg_gpio)
+ pd->cfg_gpio = s3c64xx_spi2_cfg_gpio;
+
+ s3c_set_platdata(pd, sizeof(*pd), &s3c64xx_device_spi2);
+}
+#endif /* CONFIG_S3C64XX_DEV_SPI2 */
diff --git a/arch/arm/plat-samsung/include/plat/devs.h b/arch/arm/plat-samsung/include/plat/devs.h
index ab633c9c2ae..83b1e31696d 100644
--- a/arch/arm/plat-samsung/include/plat/devs.h
+++ b/arch/arm/plat-samsung/include/plat/devs.h
@@ -39,6 +39,7 @@ extern struct platform_device s3c64xx_device_pcm0;
extern struct platform_device s3c64xx_device_pcm1;
extern struct platform_device s3c64xx_device_spi0;
extern struct platform_device s3c64xx_device_spi1;
+extern struct platform_device s3c64xx_device_spi2;
extern struct platform_device s3c_device_adc;
extern struct platform_device s3c_device_cfcon;
@@ -98,8 +99,6 @@ extern struct platform_device s5p6450_device_iis1;
extern struct platform_device s5p6450_device_iis2;
extern struct platform_device s5p6450_device_pcm0;
-extern struct platform_device s5p64x0_device_spi0;
-extern struct platform_device s5p64x0_device_spi1;
extern struct platform_device s5pc100_device_ac97;
extern struct platform_device s5pc100_device_iis0;
@@ -108,9 +107,6 @@ extern struct platform_device s5pc100_device_iis2;
extern struct platform_device s5pc100_device_pcm0;
extern struct platform_device s5pc100_device_pcm1;
extern struct platform_device s5pc100_device_spdif;
-extern struct platform_device s5pc100_device_spi0;
-extern struct platform_device s5pc100_device_spi1;
-extern struct platform_device s5pc100_device_spi2;
extern struct platform_device s5pv210_device_ac97;
extern struct platform_device s5pv210_device_iis0;
@@ -120,8 +116,6 @@ extern struct platform_device s5pv210_device_pcm0;
extern struct platform_device s5pv210_device_pcm1;
extern struct platform_device s5pv210_device_pcm2;
extern struct platform_device s5pv210_device_spdif;
-extern struct platform_device s5pv210_device_spi0;
-extern struct platform_device s5pv210_device_spi1;
extern struct platform_device exynos4_device_ac97;
extern struct platform_device exynos4_device_ahci;
diff --git a/arch/arm/plat-samsung/include/plat/s3c64xx-spi.h b/arch/arm/plat-samsung/include/plat/s3c64xx-spi.h
index c3d82a5f563..aea68b60ef9 100644
--- a/arch/arm/plat-samsung/include/plat/s3c64xx-spi.h
+++ b/arch/arm/plat-samsung/include/plat/s3c64xx-spi.h
@@ -56,18 +56,28 @@ struct s3c64xx_spi_info {
};
/**
- * s3c64xx_spi_set_info - SPI Controller configure callback by the board
+ * s3c64xx_spi_set_platdata - SPI Controller configure callback by the board
* initialization code.
- * @cntrlr: SPI controller number the configuration is for.
+ * @pd: SPI platform data to set.
* @src_clk_nr: Clock the SPI controller is to use to generate SPI clocks.
* @num_cs: Number of elements in the 'cs' array.
*
* Call this from machine init code for each SPI Controller that
* has some chips attached to it.
*/
-extern void s3c64xx_spi_set_info(int cntrlr, int src_clk_nr, int num_cs);
-extern void s5pc100_spi_set_info(int cntrlr, int src_clk_nr, int num_cs);
-extern void s5pv210_spi_set_info(int cntrlr, int src_clk_nr, int num_cs);
-extern void s5p64x0_spi_set_info(int cntrlr, int src_clk_nr, int num_cs);
+extern void s3c64xx_spi0_set_platdata(struct s3c64xx_spi_info *pd,
+ int src_clk_nr, int num_cs);
+extern void s3c64xx_spi1_set_platdata(struct s3c64xx_spi_info *pd,
+ int src_clk_nr, int num_cs);
+extern void s3c64xx_spi2_set_platdata(struct s3c64xx_spi_info *pd,
+ int src_clk_nr, int num_cs);
+/* defined by architecture to configure gpio */
+extern int s3c64xx_spi0_cfg_gpio(struct platform_device *dev);
+extern int s3c64xx_spi1_cfg_gpio(struct platform_device *dev);
+extern int s3c64xx_spi2_cfg_gpio(struct platform_device *dev);
+
+extern struct s3c64xx_spi_info s3c64xx_spi0_pdata;
+extern struct s3c64xx_spi_info s3c64xx_spi1_pdata;
+extern struct s3c64xx_spi_info s3c64xx_spi2_pdata;
#endif /* __S3C64XX_PLAT_SPI_H */