[PATCH v2 14/23] at91: Make SSC device common
Ryan Mallon
ryan at bluewatersys.com
Thu Apr 21 01:42:06 EDT 2011
Replace the individual SSC code for each at91 variant with a single
implementation in devices.c
Signed-off-by: Ryan Mallon <ryan at bluewatersys.com>
---
arch/arm/mach-at91/at91cap9_devices.c | 142 ++++------------------
arch/arm/mach-at91/at91rm9200_devices.c | 199 ++++++------------------------
arch/arm/mach-at91/at91sam9260_devices.c | 85 ++-----------
arch/arm/mach-at91/at91sam9261_devices.c | 199 ++++++------------------------
arch/arm/mach-at91/at91sam9263_devices.c | 146 ++++------------------
arch/arm/mach-at91/at91sam9g45_devices.c | 146 ++++------------------
arch/arm/mach-at91/at91sam9rl_devices.c | 142 ++++------------------
arch/arm/mach-at91/board-afeb-9260v1.c | 2 +-
arch/arm/mach-at91/board-sam9260ek.c | 2 +-
arch/arm/mach-at91/board-sam9261ek.c | 2 +-
arch/arm/mach-at91/board-sam9g20ek.c | 2 +-
arch/arm/mach-at91/board-snapper9260.c | 4 +-
arch/arm/mach-at91/devices.c | 167 +++++++++++++++++++++++++
arch/arm/mach-at91/devices.h | 14 ++
14 files changed, 371 insertions(+), 881 deletions(-)
diff --git a/arch/arm/mach-at91/at91cap9_devices.c b/arch/arm/mach-at91/at91cap9_devices.c
index 30889ec..0a2272b 100644
--- a/arch/arm/mach-at91/at91cap9_devices.c
+++ b/arch/arm/mach-at91/at91cap9_devices.c
@@ -444,128 +444,32 @@ void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data) {}
* SSC -- Synchronous Serial Controller
* -------------------------------------------------------------------- */
-#if defined(CONFIG_ATMEL_SSC) || defined(CONFIG_ATMEL_SSC_MODULE)
-static u64 ssc0_dmamask = DMA_BIT_MASK(32);
-
-static struct resource ssc0_resources[] = {
- [0] = {
- .start = AT91CAP9_BASE_SSC0,
- .end = AT91CAP9_BASE_SSC0 + SZ_16K - 1,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = AT91CAP9_ID_SSC0,
- .end = AT91CAP9_ID_SSC0,
- .flags = IORESOURCE_IRQ,
- },
+static struct at91_dev_table_ssc device_ssc0 __initdata = {
+ .mmio_base = AT91CAP9_BASE_SSC0,
+ .irq = AT91CAP9_ID_SSC0,
+ .clock_asc = "ssc0_clk",
+ .clock_name = "ssc",
+ .tf_pin = {AT91_PIN_PB0, AT91_PIN_PERIPH_A, 1, 0, 0},
+ .tk_pin = {AT91_PIN_PB1, AT91_PIN_PERIPH_A, 1, 0, 0},
+ .td_pin = {AT91_PIN_PB2, AT91_PIN_PERIPH_A, 1, 0, 0},
+ .rd_pin = {AT91_PIN_PB3, AT91_PIN_PERIPH_A, 1, 0, 0},
+ .rk_pin = {AT91_PIN_PB4, AT91_PIN_PERIPH_A, 1, 0, 0},
+ .rf_pin = {AT91_PIN_PB5, AT91_PIN_PERIPH_A, 1, 0, 0},
};
-static struct platform_device at91cap9_ssc0_device = {
- .name = "ssc",
- .id = 0,
- .dev = {
- .dma_mask = &ssc0_dmamask,
- .coherent_dma_mask = DMA_BIT_MASK(32),
- },
- .resource = ssc0_resources,
- .num_resources = ARRAY_SIZE(ssc0_resources),
+static struct at91_dev_table_ssc device_ssc1 __initdata = {
+ .mmio_base = AT91CAP9_BASE_SSC1,
+ .irq = AT91CAP9_ID_SSC1,
+ .clock_asc = "ssc0_clk",
+ .clock_name = "ssc",
+ .tf_pin = {AT91_PIN_PB6, AT91_PIN_PERIPH_A, 1, 0, 0},
+ .tk_pin = {AT91_PIN_PB7, AT91_PIN_PERIPH_A, 1, 0, 0},
+ .td_pin = {AT91_PIN_PB8, AT91_PIN_PERIPH_A, 1, 0, 0},
+ .rd_pin = {AT91_PIN_PB9, AT91_PIN_PERIPH_A, 1, 0, 0},
+ .rk_pin = {AT91_PIN_PB10, AT91_PIN_PERIPH_A, 1, 0, 0},
+ .rf_pin = {AT91_PIN_PB11, AT91_PIN_PERIPH_A, 1, 0, 0},
};
-static inline void configure_ssc0_pins(unsigned pins)
-{
- if (pins & ATMEL_SSC_TF)
- at91_set_A_periph(AT91_PIN_PB0, 1);
- if (pins & ATMEL_SSC_TK)
- at91_set_A_periph(AT91_PIN_PB1, 1);
- if (pins & ATMEL_SSC_TD)
- at91_set_A_periph(AT91_PIN_PB2, 1);
- if (pins & ATMEL_SSC_RD)
- at91_set_A_periph(AT91_PIN_PB3, 1);
- if (pins & ATMEL_SSC_RK)
- at91_set_A_periph(AT91_PIN_PB4, 1);
- if (pins & ATMEL_SSC_RF)
- at91_set_A_periph(AT91_PIN_PB5, 1);
-}
-
-static u64 ssc1_dmamask = DMA_BIT_MASK(32);
-
-static struct resource ssc1_resources[] = {
- [0] = {
- .start = AT91CAP9_BASE_SSC1,
- .end = AT91CAP9_BASE_SSC1 + SZ_16K - 1,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = AT91CAP9_ID_SSC1,
- .end = AT91CAP9_ID_SSC1,
- .flags = IORESOURCE_IRQ,
- },
-};
-
-static struct platform_device at91cap9_ssc1_device = {
- .name = "ssc",
- .id = 1,
- .dev = {
- .dma_mask = &ssc1_dmamask,
- .coherent_dma_mask = DMA_BIT_MASK(32),
- },
- .resource = ssc1_resources,
- .num_resources = ARRAY_SIZE(ssc1_resources),
-};
-
-static inline void configure_ssc1_pins(unsigned pins)
-{
- if (pins & ATMEL_SSC_TF)
- at91_set_A_periph(AT91_PIN_PB6, 1);
- if (pins & ATMEL_SSC_TK)
- at91_set_A_periph(AT91_PIN_PB7, 1);
- if (pins & ATMEL_SSC_TD)
- at91_set_A_periph(AT91_PIN_PB8, 1);
- if (pins & ATMEL_SSC_RD)
- at91_set_A_periph(AT91_PIN_PB9, 1);
- if (pins & ATMEL_SSC_RK)
- at91_set_A_periph(AT91_PIN_PB10, 1);
- if (pins & ATMEL_SSC_RF)
- at91_set_A_periph(AT91_PIN_PB11, 1);
-}
-
-/*
- * SSC controllers are accessed through library code, instead of any
- * kind of all-singing/all-dancing driver. For example one could be
- * used by a particular I2S audio codec's driver, while another one
- * on the same system might be used by a custom data capture driver.
- */
-void __init at91_add_device_ssc(unsigned id, unsigned pins)
-{
- struct platform_device *pdev;
-
- /*
- * NOTE: caller is responsible for passing information matching
- * "pins" to whatever will be using each particular controller.
- */
- switch (id) {
- case AT91CAP9_ID_SSC0:
- pdev = &at91cap9_ssc0_device;
- configure_ssc0_pins(pins);
- at91_clock_associate("ssc0_clk", &pdev->dev, "ssc");
- break;
- case AT91CAP9_ID_SSC1:
- pdev = &at91cap9_ssc1_device;
- configure_ssc1_pins(pins);
- at91_clock_associate("ssc1_clk", &pdev->dev, "ssc");
- break;
- default:
- return;
- }
-
- platform_device_register(pdev);
-}
-
-#else
-void __init at91_add_device_ssc(unsigned id, unsigned pins) {}
-#endif
-
-
/* --------------------------------------------------------------------
* UART
* -------------------------------------------------------------------- */
@@ -641,6 +545,8 @@ static struct at91_device_table at91cap9_device_table __initdata = {
.uart[1] = &device_uart1,
.uart[2] = &device_uart2,
.pwm = &device_pwm,
+ .ssc[0] = &device_ssc0,
+ .ssc[1] = &device_ssc1,
};
void __init at91cap9_init_devices(void)
diff --git a/arch/arm/mach-at91/at91rm9200_devices.c b/arch/arm/mach-at91/at91rm9200_devices.c
index 3a783f4..9f678de 100644
--- a/arch/arm/mach-at91/at91rm9200_devices.c
+++ b/arch/arm/mach-at91/at91rm9200_devices.c
@@ -299,175 +299,45 @@ static void __init at91_add_device_rtc(void) {}
* SSC -- Synchronous Serial Controller
* -------------------------------------------------------------------- */
-#if defined(CONFIG_ATMEL_SSC) || defined(CONFIG_ATMEL_SSC_MODULE)
-static u64 ssc0_dmamask = DMA_BIT_MASK(32);
-
-static struct resource ssc0_resources[] = {
- [0] = {
- .start = AT91RM9200_BASE_SSC0,
- .end = AT91RM9200_BASE_SSC0 + SZ_16K - 1,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = AT91RM9200_ID_SSC0,
- .end = AT91RM9200_ID_SSC0,
- .flags = IORESOURCE_IRQ,
- },
+static struct at91_dev_table_ssc device_ssc0 __initdata = {
+ .mmio_base = AT91RM9200_BASE_SSC0,
+ .irq = AT91RM9200_ID_SSC0,
+ .clock_asc = "ssc0_clk",
+ .clock_name = "ssc",
+ .tf_pin = {AT91_PIN_PB0, AT91_PIN_PERIPH_A, 1, 0, 0},
+ .tk_pin = {AT91_PIN_PB1, AT91_PIN_PERIPH_A, 1, 0, 0},
+ .td_pin = {AT91_PIN_PB2, AT91_PIN_PERIPH_A, 1, 0, 0},
+ .rd_pin = {AT91_PIN_PB3, AT91_PIN_PERIPH_A, 1, 0, 0},
+ .rk_pin = {AT91_PIN_PB4, AT91_PIN_PERIPH_A, 1, 0, 0},
+ .rf_pin = {AT91_PIN_PB5, AT91_PIN_PERIPH_A, 1, 0, 0},
};
-static struct platform_device at91rm9200_ssc0_device = {
- .name = "ssc",
- .id = 0,
- .dev = {
- .dma_mask = &ssc0_dmamask,
- .coherent_dma_mask = DMA_BIT_MASK(32),
- },
- .resource = ssc0_resources,
- .num_resources = ARRAY_SIZE(ssc0_resources),
+static struct at91_dev_table_ssc device_ssc1 __initdata = {
+ .mmio_base = AT91RM9200_BASE_SSC1,
+ .irq = AT91RM9200_ID_SSC1,
+ .clock_asc = "ssc2_clk",
+ .clock_name = "ssc",
+ .tf_pin = {AT91_PIN_PB6, AT91_PIN_PERIPH_A, 1, 0, 0},
+ .tk_pin = {AT91_PIN_PB7, AT91_PIN_PERIPH_A, 1, 0, 0},
+ .td_pin = {AT91_PIN_PB8, AT91_PIN_PERIPH_A, 1, 0, 0},
+ .rd_pin = {AT91_PIN_PB9, AT91_PIN_PERIPH_A, 1, 0, 0},
+ .rk_pin = {AT91_PIN_PB10, AT91_PIN_PERIPH_A, 1, 0, 0},
+ .rf_pin = {AT91_PIN_PB11, AT91_PIN_PERIPH_A, 1, 0, 0},
};
-static inline void configure_ssc0_pins(unsigned pins)
-{
- if (pins & ATMEL_SSC_TF)
- at91_set_A_periph(AT91_PIN_PB0, 1);
- if (pins & ATMEL_SSC_TK)
- at91_set_A_periph(AT91_PIN_PB1, 1);
- if (pins & ATMEL_SSC_TD)
- at91_set_A_periph(AT91_PIN_PB2, 1);
- if (pins & ATMEL_SSC_RD)
- at91_set_A_periph(AT91_PIN_PB3, 1);
- if (pins & ATMEL_SSC_RK)
- at91_set_A_periph(AT91_PIN_PB4, 1);
- if (pins & ATMEL_SSC_RF)
- at91_set_A_periph(AT91_PIN_PB5, 1);
-}
-
-static u64 ssc1_dmamask = DMA_BIT_MASK(32);
-
-static struct resource ssc1_resources[] = {
- [0] = {
- .start = AT91RM9200_BASE_SSC1,
- .end = AT91RM9200_BASE_SSC1 + SZ_16K - 1,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = AT91RM9200_ID_SSC1,
- .end = AT91RM9200_ID_SSC1,
- .flags = IORESOURCE_IRQ,
- },
+static struct at91_dev_table_ssc device_ssc2 __initdata = {
+ .mmio_base = AT91RM9200_BASE_SSC2,
+ .irq = AT91RM9200_ID_SSC2,
+ .clock_asc = "ssc2_clk",
+ .clock_name = "ssc",
+ .tf_pin = {AT91_PIN_PB12, AT91_PIN_PERIPH_A, 1, 0, 0},
+ .tk_pin = {AT91_PIN_PB13, AT91_PIN_PERIPH_A, 1, 0, 0},
+ .td_pin = {AT91_PIN_PB14, AT91_PIN_PERIPH_A, 1, 0, 0},
+ .rd_pin = {AT91_PIN_PB15, AT91_PIN_PERIPH_A, 1, 0, 0},
+ .rk_pin = {AT91_PIN_PB16, AT91_PIN_PERIPH_A, 1, 0, 0},
+ .rf_pin = {AT91_PIN_PB17, AT91_PIN_PERIPH_A, 1, 0, 0},
};
-static struct platform_device at91rm9200_ssc1_device = {
- .name = "ssc",
- .id = 1,
- .dev = {
- .dma_mask = &ssc1_dmamask,
- .coherent_dma_mask = DMA_BIT_MASK(32),
- },
- .resource = ssc1_resources,
- .num_resources = ARRAY_SIZE(ssc1_resources),
-};
-
-static inline void configure_ssc1_pins(unsigned pins)
-{
- if (pins & ATMEL_SSC_TF)
- at91_set_A_periph(AT91_PIN_PB6, 1);
- if (pins & ATMEL_SSC_TK)
- at91_set_A_periph(AT91_PIN_PB7, 1);
- if (pins & ATMEL_SSC_TD)
- at91_set_A_periph(AT91_PIN_PB8, 1);
- if (pins & ATMEL_SSC_RD)
- at91_set_A_periph(AT91_PIN_PB9, 1);
- if (pins & ATMEL_SSC_RK)
- at91_set_A_periph(AT91_PIN_PB10, 1);
- if (pins & ATMEL_SSC_RF)
- at91_set_A_periph(AT91_PIN_PB11, 1);
-}
-
-static u64 ssc2_dmamask = DMA_BIT_MASK(32);
-
-static struct resource ssc2_resources[] = {
- [0] = {
- .start = AT91RM9200_BASE_SSC2,
- .end = AT91RM9200_BASE_SSC2 + SZ_16K - 1,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = AT91RM9200_ID_SSC2,
- .end = AT91RM9200_ID_SSC2,
- .flags = IORESOURCE_IRQ,
- },
-};
-
-static struct platform_device at91rm9200_ssc2_device = {
- .name = "ssc",
- .id = 2,
- .dev = {
- .dma_mask = &ssc2_dmamask,
- .coherent_dma_mask = DMA_BIT_MASK(32),
- },
- .resource = ssc2_resources,
- .num_resources = ARRAY_SIZE(ssc2_resources),
-};
-
-static inline void configure_ssc2_pins(unsigned pins)
-{
- if (pins & ATMEL_SSC_TF)
- at91_set_A_periph(AT91_PIN_PB12, 1);
- if (pins & ATMEL_SSC_TK)
- at91_set_A_periph(AT91_PIN_PB13, 1);
- if (pins & ATMEL_SSC_TD)
- at91_set_A_periph(AT91_PIN_PB14, 1);
- if (pins & ATMEL_SSC_RD)
- at91_set_A_periph(AT91_PIN_PB15, 1);
- if (pins & ATMEL_SSC_RK)
- at91_set_A_periph(AT91_PIN_PB16, 1);
- if (pins & ATMEL_SSC_RF)
- at91_set_A_periph(AT91_PIN_PB17, 1);
-}
-
-/*
- * SSC controllers are accessed through library code, instead of any
- * kind of all-singing/all-dancing driver. For example one could be
- * used by a particular I2S audio codec's driver, while another one
- * on the same system might be used by a custom data capture driver.
- */
-void __init at91_add_device_ssc(unsigned id, unsigned pins)
-{
- struct platform_device *pdev;
-
- /*
- * NOTE: caller is responsible for passing information matching
- * "pins" to whatever will be using each particular controller.
- */
- switch (id) {
- case AT91RM9200_ID_SSC0:
- pdev = &at91rm9200_ssc0_device;
- configure_ssc0_pins(pins);
- at91_clock_associate("ssc0_clk", &pdev->dev, "ssc");
- break;
- case AT91RM9200_ID_SSC1:
- pdev = &at91rm9200_ssc1_device;
- configure_ssc1_pins(pins);
- at91_clock_associate("ssc1_clk", &pdev->dev, "ssc");
- break;
- case AT91RM9200_ID_SSC2:
- pdev = &at91rm9200_ssc2_device;
- configure_ssc2_pins(pins);
- at91_clock_associate("ssc2_clk", &pdev->dev, "ssc");
- break;
- default:
- return;
- }
-
- platform_device_register(pdev);
-}
-
-#else
-void __init at91_add_device_ssc(unsigned id, unsigned pins) {}
-#endif
-
-
/* --------------------------------------------------------------------
* UART
* -------------------------------------------------------------------- */
@@ -565,6 +435,9 @@ static struct at91_device_table at91rm9200_device_table __initdata = {
.uart[1] = &device_uart1,
.uart[2] = &device_uart2,
.uart[3] = &device_uart3,
+ .ssc[0] = &device_ssc0,
+ .ssc[1] = &device_ssc1,
+ .ssc[2] = &device_ssc2,
};
void __init at91rm9200_init_devices(void)
diff --git a/arch/arm/mach-at91/at91sam9260_devices.c b/arch/arm/mach-at91/at91sam9260_devices.c
index 0759be2..891e8bf 100644
--- a/arch/arm/mach-at91/at91sam9260_devices.c
+++ b/arch/arm/mach-at91/at91sam9260_devices.c
@@ -200,81 +200,19 @@ static struct at91_dev_table_rtt device_rtt __initdata = {
* SSC -- Synchronous Serial Controller
* -------------------------------------------------------------------- */
-#if defined(CONFIG_ATMEL_SSC) || defined(CONFIG_ATMEL_SSC_MODULE)
-static u64 ssc_dmamask = DMA_BIT_MASK(32);
-
-static struct resource ssc_resources[] = {
- [0] = {
- .start = AT91SAM9260_BASE_SSC,
- .end = AT91SAM9260_BASE_SSC + SZ_16K - 1,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = AT91SAM9260_ID_SSC,
- .end = AT91SAM9260_ID_SSC,
- .flags = IORESOURCE_IRQ,
- },
-};
-
-static struct platform_device at91sam9260_ssc_device = {
- .name = "ssc",
- .id = 0,
- .dev = {
- .dma_mask = &ssc_dmamask,
- .coherent_dma_mask = DMA_BIT_MASK(32),
- },
- .resource = ssc_resources,
- .num_resources = ARRAY_SIZE(ssc_resources),
+static struct at91_dev_table_ssc device_ssc __initdata = {
+ .mmio_base = AT91SAM9260_BASE_SSC,
+ .irq = AT91SAM9260_ID_SSC,
+ .clock_asc = "ssc_clk",
+ .clock_name = "pclk",
+ .tf_pin = {AT91_PIN_PB17, AT91_PIN_PERIPH_A, 1, 0, 0},
+ .tk_pin = {AT91_PIN_PB16, AT91_PIN_PERIPH_A, 1, 0, 0},
+ .td_pin = {AT91_PIN_PB18, AT91_PIN_PERIPH_A, 1, 0, 0},
+ .rd_pin = {AT91_PIN_PB19, AT91_PIN_PERIPH_A, 1, 0, 0},
+ .rk_pin = {AT91_PIN_PB20, AT91_PIN_PERIPH_A, 1, 0, 0},
+ .rf_pin = {AT91_PIN_PB21, AT91_PIN_PERIPH_A, 1, 0, 0},
};
-static inline void configure_ssc_pins(unsigned pins)
-{
- if (pins & ATMEL_SSC_TF)
- at91_set_A_periph(AT91_PIN_PB17, 1);
- if (pins & ATMEL_SSC_TK)
- at91_set_A_periph(AT91_PIN_PB16, 1);
- if (pins & ATMEL_SSC_TD)
- at91_set_A_periph(AT91_PIN_PB18, 1);
- if (pins & ATMEL_SSC_RD)
- at91_set_A_periph(AT91_PIN_PB19, 1);
- if (pins & ATMEL_SSC_RK)
- at91_set_A_periph(AT91_PIN_PB20, 1);
- if (pins & ATMEL_SSC_RF)
- at91_set_A_periph(AT91_PIN_PB21, 1);
-}
-
-/*
- * SSC controllers are accessed through library code, instead of any
- * kind of all-singing/all-dancing driver. For example one could be
- * used by a particular I2S audio codec's driver, while another one
- * on the same system might be used by a custom data capture driver.
- */
-void __init at91_add_device_ssc(unsigned id, unsigned pins)
-{
- struct platform_device *pdev;
-
- /*
- * NOTE: caller is responsible for passing information matching
- * "pins" to whatever will be using each particular controller.
- */
- switch (id) {
- case AT91SAM9260_ID_SSC:
- pdev = &at91sam9260_ssc_device;
- configure_ssc_pins(pins);
- at91_clock_associate("ssc_clk", &pdev->dev, "pclk");
- break;
- default:
- return;
- }
-
- platform_device_register(pdev);
-}
-
-#else
-void __init at91_add_device_ssc(unsigned id, unsigned pins) {}
-#endif
-
-
/* --------------------------------------------------------------------
* UART
* -------------------------------------------------------------------- */
@@ -512,6 +450,7 @@ static struct at91_device_table at91sam9260_device_table __initdata = {
.uart[3] = &device_uart3,
.uart[4] = &device_uart4,
.uart[5] = &device_uart5,
+ .ssc[0] = &device_ssc,
};
void __init at91sam9260_init_devices(void)
diff --git a/arch/arm/mach-at91/at91sam9261_devices.c b/arch/arm/mach-at91/at91sam9261_devices.c
index 9e48f36..edb25f1 100644
--- a/arch/arm/mach-at91/at91sam9261_devices.c
+++ b/arch/arm/mach-at91/at91sam9261_devices.c
@@ -252,175 +252,45 @@ static struct at91_dev_table_rtt device_rtt __initdata = {
* SSC -- Synchronous Serial Controller
* -------------------------------------------------------------------- */
-#if defined(CONFIG_ATMEL_SSC) || defined(CONFIG_ATMEL_SSC_MODULE)
-static u64 ssc0_dmamask = DMA_BIT_MASK(32);
-
-static struct resource ssc0_resources[] = {
- [0] = {
- .start = AT91SAM9261_BASE_SSC0,
- .end = AT91SAM9261_BASE_SSC0 + SZ_16K - 1,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = AT91SAM9261_ID_SSC0,
- .end = AT91SAM9261_ID_SSC0,
- .flags = IORESOURCE_IRQ,
- },
+static struct at91_dev_table_ssc device_ssc0 __initdata = {
+ .mmio_base = AT91SAM9261_BASE_SSC0,
+ .irq = AT91SAM9261_ID_SSC0,
+ .clock_asc = "ssc0_clk",
+ .clock_name = "pclk",
+ .tf_pin = {AT91_PIN_PB21, AT91_PIN_PERIPH_A, 1, 0, 0},
+ .tk_pin = {AT91_PIN_PB22, AT91_PIN_PERIPH_A, 1, 0, 0},
+ .td_pin = {AT91_PIN_PB23, AT91_PIN_PERIPH_A, 1, 0, 0},
+ .rd_pin = {AT91_PIN_PB24, AT91_PIN_PERIPH_A, 1, 0, 0},
+ .rk_pin = {AT91_PIN_PB25, AT91_PIN_PERIPH_A, 1, 0, 0},
+ .rf_pin = {AT91_PIN_PB26, AT91_PIN_PERIPH_A, 1, 0, 0},
};
-static struct platform_device at91sam9261_ssc0_device = {
- .name = "ssc",
- .id = 0,
- .dev = {
- .dma_mask = &ssc0_dmamask,
- .coherent_dma_mask = DMA_BIT_MASK(32),
- },
- .resource = ssc0_resources,
- .num_resources = ARRAY_SIZE(ssc0_resources),
-};
-
-static inline void configure_ssc0_pins(unsigned pins)
-{
- if (pins & ATMEL_SSC_TF)
- at91_set_A_periph(AT91_PIN_PB21, 1);
- if (pins & ATMEL_SSC_TK)
- at91_set_A_periph(AT91_PIN_PB22, 1);
- if (pins & ATMEL_SSC_TD)
- at91_set_A_periph(AT91_PIN_PB23, 1);
- if (pins & ATMEL_SSC_RD)
- at91_set_A_periph(AT91_PIN_PB24, 1);
- if (pins & ATMEL_SSC_RK)
- at91_set_A_periph(AT91_PIN_PB25, 1);
- if (pins & ATMEL_SSC_RF)
- at91_set_A_periph(AT91_PIN_PB26, 1);
-}
-
-static u64 ssc1_dmamask = DMA_BIT_MASK(32);
-
-static struct resource ssc1_resources[] = {
- [0] = {
- .start = AT91SAM9261_BASE_SSC1,
- .end = AT91SAM9261_BASE_SSC1 + SZ_16K - 1,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = AT91SAM9261_ID_SSC1,
- .end = AT91SAM9261_ID_SSC1,
- .flags = IORESOURCE_IRQ,
- },
+static struct at91_dev_table_ssc device_ssc1 __initdata = {
+ .mmio_base = AT91SAM9261_BASE_SSC1,
+ .irq = AT91SAM9261_ID_SSC1,
+ .clock_asc = "ssc1_clk",
+ .clock_name = "pclk",
+ .tf_pin = {AT91_PIN_PA17, AT91_PIN_PERIPH_B, 1, 0, 0},
+ .tk_pin = {AT91_PIN_PA18, AT91_PIN_PERIPH_B, 1, 0, 0},
+ .td_pin = {AT91_PIN_PA19, AT91_PIN_PERIPH_B, 1, 0, 0},
+ .rd_pin = {AT91_PIN_PA20, AT91_PIN_PERIPH_B, 1, 0, 0},
+ .rk_pin = {AT91_PIN_PA21, AT91_PIN_PERIPH_B, 1, 0, 0},
+ .rf_pin = {AT91_PIN_PA22, AT91_PIN_PERIPH_B, 1, 0, 0},
};
-static struct platform_device at91sam9261_ssc1_device = {
- .name = "ssc",
- .id = 1,
- .dev = {
- .dma_mask = &ssc1_dmamask,
- .coherent_dma_mask = DMA_BIT_MASK(32),
- },
- .resource = ssc1_resources,
- .num_resources = ARRAY_SIZE(ssc1_resources),
+static struct at91_dev_table_ssc device_ssc2 __initdata = {
+ .mmio_base = AT91SAM9261_BASE_SSC2,
+ .irq = AT91SAM9261_ID_SSC2,
+ .clock_asc = "ssc2_clk",
+ .clock_name = "pclk",
+ .tf_pin = {AT91_PIN_PC25, AT91_PIN_PERIPH_B, 1, 0, 0},
+ .tk_pin = {AT91_PIN_PC26, AT91_PIN_PERIPH_B, 1, 0, 0},
+ .td_pin = {AT91_PIN_PC27, AT91_PIN_PERIPH_B, 1, 0, 0},
+ .rd_pin = {AT91_PIN_PC28, AT91_PIN_PERIPH_B, 1, 0, 0},
+ .rk_pin = {AT91_PIN_PC29, AT91_PIN_PERIPH_B, 1, 0, 0},
+ .rf_pin = {AT91_PIN_PC30, AT91_PIN_PERIPH_B, 1, 0, 0},
};
-static inline void configure_ssc1_pins(unsigned pins)
-{
- if (pins & ATMEL_SSC_TF)
- at91_set_B_periph(AT91_PIN_PA17, 1);
- if (pins & ATMEL_SSC_TK)
- at91_set_B_periph(AT91_PIN_PA18, 1);
- if (pins & ATMEL_SSC_TD)
- at91_set_B_periph(AT91_PIN_PA19, 1);
- if (pins & ATMEL_SSC_RD)
- at91_set_B_periph(AT91_PIN_PA20, 1);
- if (pins & ATMEL_SSC_RK)
- at91_set_B_periph(AT91_PIN_PA21, 1);
- if (pins & ATMEL_SSC_RF)
- at91_set_B_periph(AT91_PIN_PA22, 1);
-}
-
-static u64 ssc2_dmamask = DMA_BIT_MASK(32);
-
-static struct resource ssc2_resources[] = {
- [0] = {
- .start = AT91SAM9261_BASE_SSC2,
- .end = AT91SAM9261_BASE_SSC2 + SZ_16K - 1,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = AT91SAM9261_ID_SSC2,
- .end = AT91SAM9261_ID_SSC2,
- .flags = IORESOURCE_IRQ,
- },
-};
-
-static struct platform_device at91sam9261_ssc2_device = {
- .name = "ssc",
- .id = 2,
- .dev = {
- .dma_mask = &ssc2_dmamask,
- .coherent_dma_mask = DMA_BIT_MASK(32),
- },
- .resource = ssc2_resources,
- .num_resources = ARRAY_SIZE(ssc2_resources),
-};
-
-static inline void configure_ssc2_pins(unsigned pins)
-{
- if (pins & ATMEL_SSC_TF)
- at91_set_B_periph(AT91_PIN_PC25, 1);
- if (pins & ATMEL_SSC_TK)
- at91_set_B_periph(AT91_PIN_PC26, 1);
- if (pins & ATMEL_SSC_TD)
- at91_set_B_periph(AT91_PIN_PC27, 1);
- if (pins & ATMEL_SSC_RD)
- at91_set_B_periph(AT91_PIN_PC28, 1);
- if (pins & ATMEL_SSC_RK)
- at91_set_B_periph(AT91_PIN_PC29, 1);
- if (pins & ATMEL_SSC_RF)
- at91_set_B_periph(AT91_PIN_PC30, 1);
-}
-
-/*
- * SSC controllers are accessed through library code, instead of any
- * kind of all-singing/all-dancing driver. For example one could be
- * used by a particular I2S audio codec's driver, while another one
- * on the same system might be used by a custom data capture driver.
- */
-void __init at91_add_device_ssc(unsigned id, unsigned pins)
-{
- struct platform_device *pdev;
-
- /*
- * NOTE: caller is responsible for passing information matching
- * "pins" to whatever will be using each particular controller.
- */
- switch (id) {
- case AT91SAM9261_ID_SSC0:
- pdev = &at91sam9261_ssc0_device;
- configure_ssc0_pins(pins);
- at91_clock_associate("ssc0_clk", &pdev->dev, "pclk");
- break;
- case AT91SAM9261_ID_SSC1:
- pdev = &at91sam9261_ssc1_device;
- configure_ssc1_pins(pins);
- at91_clock_associate("ssc1_clk", &pdev->dev, "pclk");
- break;
- case AT91SAM9261_ID_SSC2:
- pdev = &at91sam9261_ssc2_device;
- configure_ssc2_pins(pins);
- at91_clock_associate("ssc2_clk", &pdev->dev, "pclk");
- break;
- default:
- return;
- }
-
- platform_device_register(pdev);
-}
-
-#else
-void __init at91_add_device_ssc(unsigned id, unsigned pins) {}
-#endif
-
-
/* --------------------------------------------------------------------
* UART
* -------------------------------------------------------------------- */
@@ -494,6 +364,9 @@ static struct at91_device_table at91sam9261_device_table __initdata = {
.uart[0] = &device_uart0,
.uart[1] = &device_uart1,
.uart[2] = &device_uart2,
+ .ssc[0] = &device_ssc0,
+ .ssc[1] = &device_ssc1,
+ .ssc[2] = &device_ssc2,
};
void __init at91sam9261_init_devices(void)
diff --git a/arch/arm/mach-at91/at91sam9263_devices.c b/arch/arm/mach-at91/at91sam9263_devices.c
index ff490bc..cfac78b 100644
--- a/arch/arm/mach-at91/at91sam9263_devices.c
+++ b/arch/arm/mach-at91/at91sam9263_devices.c
@@ -551,128 +551,32 @@ static struct at91_dev_table_pwm device_pwm __initdata = {
* SSC -- Synchronous Serial Controller
* -------------------------------------------------------------------- */
-#if defined(CONFIG_ATMEL_SSC) || defined(CONFIG_ATMEL_SSC_MODULE)
-static u64 ssc0_dmamask = DMA_BIT_MASK(32);
-
-static struct resource ssc0_resources[] = {
- [0] = {
- .start = AT91SAM9263_BASE_SSC0,
- .end = AT91SAM9263_BASE_SSC0 + SZ_16K - 1,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = AT91SAM9263_ID_SSC0,
- .end = AT91SAM9263_ID_SSC0,
- .flags = IORESOURCE_IRQ,
- },
-};
-
-static struct platform_device at91sam9263_ssc0_device = {
- .name = "ssc",
- .id = 0,
- .dev = {
- .dma_mask = &ssc0_dmamask,
- .coherent_dma_mask = DMA_BIT_MASK(32),
- },
- .resource = ssc0_resources,
- .num_resources = ARRAY_SIZE(ssc0_resources),
-};
-
-static inline void configure_ssc0_pins(unsigned pins)
-{
- if (pins & ATMEL_SSC_TF)
- at91_set_B_periph(AT91_PIN_PB0, 1);
- if (pins & ATMEL_SSC_TK)
- at91_set_B_periph(AT91_PIN_PB1, 1);
- if (pins & ATMEL_SSC_TD)
- at91_set_B_periph(AT91_PIN_PB2, 1);
- if (pins & ATMEL_SSC_RD)
- at91_set_B_periph(AT91_PIN_PB3, 1);
- if (pins & ATMEL_SSC_RK)
- at91_set_B_periph(AT91_PIN_PB4, 1);
- if (pins & ATMEL_SSC_RF)
- at91_set_B_periph(AT91_PIN_PB5, 1);
-}
-
-static u64 ssc1_dmamask = DMA_BIT_MASK(32);
-
-static struct resource ssc1_resources[] = {
- [0] = {
- .start = AT91SAM9263_BASE_SSC1,
- .end = AT91SAM9263_BASE_SSC1 + SZ_16K - 1,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = AT91SAM9263_ID_SSC1,
- .end = AT91SAM9263_ID_SSC1,
- .flags = IORESOURCE_IRQ,
- },
-};
-
-static struct platform_device at91sam9263_ssc1_device = {
- .name = "ssc",
- .id = 1,
- .dev = {
- .dma_mask = &ssc1_dmamask,
- .coherent_dma_mask = DMA_BIT_MASK(32),
- },
- .resource = ssc1_resources,
- .num_resources = ARRAY_SIZE(ssc1_resources),
+static struct at91_dev_table_ssc device_ssc0 __initdata = {
+ .mmio_base = AT91SAM9263_BASE_SSC0,
+ .irq = AT91SAM9263_ID_SSC0,
+ .clock_asc = "ssc0_clk",
+ .clock_name = "pclk",
+ .tf_pin = {AT91_PIN_PB0, AT91_PIN_PERIPH_B, 1, 0, 0},
+ .tk_pin = {AT91_PIN_PB1, AT91_PIN_PERIPH_B, 1, 0, 0},
+ .td_pin = {AT91_PIN_PB2, AT91_PIN_PERIPH_B, 1, 0, 0},
+ .rd_pin = {AT91_PIN_PB3, AT91_PIN_PERIPH_B, 1, 0, 0},
+ .rk_pin = {AT91_PIN_PB4, AT91_PIN_PERIPH_B, 1, 0, 0},
+ .rf_pin = {AT91_PIN_PB5, AT91_PIN_PERIPH_B, 1, 0, 0},
+};
+
+static struct at91_dev_table_ssc device_ssc1 __initdata = {
+ .mmio_base = AT91SAM9263_BASE_SSC1,
+ .irq = AT91SAM9263_ID_SSC1,
+ .clock_asc = "ssc1_clk",
+ .clock_name = "pclk",
+ .tf_pin = {AT91_PIN_PB6, AT91_PIN_PERIPH_A, 1, 0, 0},
+ .tk_pin = {AT91_PIN_PB7, AT91_PIN_PERIPH_A, 1, 0, 0},
+ .td_pin = {AT91_PIN_PB8, AT91_PIN_PERIPH_A, 1, 0, 0},
+ .rd_pin = {AT91_PIN_PB9, AT91_PIN_PERIPH_A, 1, 0, 0},
+ .rk_pin = {AT91_PIN_PB10, AT91_PIN_PERIPH_A, 1, 0, 0},
+ .rf_pin = {AT91_PIN_PB11, AT91_PIN_PERIPH_A, 1, 0, 0},
};
-static inline void configure_ssc1_pins(unsigned pins)
-{
- if (pins & ATMEL_SSC_TF)
- at91_set_A_periph(AT91_PIN_PB6, 1);
- if (pins & ATMEL_SSC_TK)
- at91_set_A_periph(AT91_PIN_PB7, 1);
- if (pins & ATMEL_SSC_TD)
- at91_set_A_periph(AT91_PIN_PB8, 1);
- if (pins & ATMEL_SSC_RD)
- at91_set_A_periph(AT91_PIN_PB9, 1);
- if (pins & ATMEL_SSC_RK)
- at91_set_A_periph(AT91_PIN_PB10, 1);
- if (pins & ATMEL_SSC_RF)
- at91_set_A_periph(AT91_PIN_PB11, 1);
-}
-
-/*
- * SSC controllers are accessed through library code, instead of any
- * kind of all-singing/all-dancing driver. For example one could be
- * used by a particular I2S audio codec's driver, while another one
- * on the same system might be used by a custom data capture driver.
- */
-void __init at91_add_device_ssc(unsigned id, unsigned pins)
-{
- struct platform_device *pdev;
-
- /*
- * NOTE: caller is responsible for passing information matching
- * "pins" to whatever will be using each particular controller.
- */
- switch (id) {
- case AT91SAM9263_ID_SSC0:
- pdev = &at91sam9263_ssc0_device;
- configure_ssc0_pins(pins);
- at91_clock_associate("ssc0_clk", &pdev->dev, "pclk");
- break;
- case AT91SAM9263_ID_SSC1:
- pdev = &at91sam9263_ssc1_device;
- configure_ssc1_pins(pins);
- at91_clock_associate("ssc1_clk", &pdev->dev, "pclk");
- break;
- default:
- return;
- }
-
- platform_device_register(pdev);
-}
-
-#else
-void __init at91_add_device_ssc(unsigned id, unsigned pins) {}
-#endif
-
-
/* --------------------------------------------------------------------
* UART
* -------------------------------------------------------------------- */
@@ -750,6 +654,8 @@ static struct at91_device_table at91sam9263_device_table __initdata = {
.uart[1] = &device_uart1,
.uart[2] = &device_uart2,
.pwm = &device_pwm,
+ .ssc[0] = &device_ssc0,
+ .ssc[1] = &device_ssc1,
};
void __init at91sam9263_init_devices(void)
diff --git a/arch/arm/mach-at91/at91sam9g45_devices.c b/arch/arm/mach-at91/at91sam9g45_devices.c
index 17eb984..8ad9c12 100644
--- a/arch/arm/mach-at91/at91sam9g45_devices.c
+++ b/arch/arm/mach-at91/at91sam9g45_devices.c
@@ -584,128 +584,32 @@ static struct at91_dev_table_pwm device_pwm __initdata = {
* SSC -- Synchronous Serial Controller
* -------------------------------------------------------------------- */
-#if defined(CONFIG_ATMEL_SSC) || defined(CONFIG_ATMEL_SSC_MODULE)
-static u64 ssc0_dmamask = DMA_BIT_MASK(32);
-
-static struct resource ssc0_resources[] = {
- [0] = {
- .start = AT91SAM9G45_BASE_SSC0,
- .end = AT91SAM9G45_BASE_SSC0 + SZ_16K - 1,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = AT91SAM9G45_ID_SSC0,
- .end = AT91SAM9G45_ID_SSC0,
- .flags = IORESOURCE_IRQ,
- },
-};
-
-static struct platform_device at91sam9g45_ssc0_device = {
- .name = "ssc",
- .id = 0,
- .dev = {
- .dma_mask = &ssc0_dmamask,
- .coherent_dma_mask = DMA_BIT_MASK(32),
- },
- .resource = ssc0_resources,
- .num_resources = ARRAY_SIZE(ssc0_resources),
-};
-
-static inline void configure_ssc0_pins(unsigned pins)
-{
- if (pins & ATMEL_SSC_TF)
- at91_set_A_periph(AT91_PIN_PD1, 1);
- if (pins & ATMEL_SSC_TK)
- at91_set_A_periph(AT91_PIN_PD0, 1);
- if (pins & ATMEL_SSC_TD)
- at91_set_A_periph(AT91_PIN_PD2, 1);
- if (pins & ATMEL_SSC_RD)
- at91_set_A_periph(AT91_PIN_PD3, 1);
- if (pins & ATMEL_SSC_RK)
- at91_set_A_periph(AT91_PIN_PD4, 1);
- if (pins & ATMEL_SSC_RF)
- at91_set_A_periph(AT91_PIN_PD5, 1);
-}
-
-static u64 ssc1_dmamask = DMA_BIT_MASK(32);
-
-static struct resource ssc1_resources[] = {
- [0] = {
- .start = AT91SAM9G45_BASE_SSC1,
- .end = AT91SAM9G45_BASE_SSC1 + SZ_16K - 1,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = AT91SAM9G45_ID_SSC1,
- .end = AT91SAM9G45_ID_SSC1,
- .flags = IORESOURCE_IRQ,
- },
-};
-
-static struct platform_device at91sam9g45_ssc1_device = {
- .name = "ssc",
- .id = 1,
- .dev = {
- .dma_mask = &ssc1_dmamask,
- .coherent_dma_mask = DMA_BIT_MASK(32),
- },
- .resource = ssc1_resources,
- .num_resources = ARRAY_SIZE(ssc1_resources),
+static struct at91_dev_table_ssc device_ssc0 __initdata = {
+ .mmio_base = AT91SAM9G45_BASE_SSC0,
+ .irq = AT91SAM9G45_ID_SSC0,
+ .clock_asc = "ssc0_clk",
+ .clock_name = "pclk",
+ .tf_pin = {AT91_PIN_PD1, AT91_PIN_PERIPH_A, 1, 0, 0},
+ .tk_pin = {AT91_PIN_PD0, AT91_PIN_PERIPH_A, 1, 0, 0},
+ .td_pin = {AT91_PIN_PD2, AT91_PIN_PERIPH_A, 1, 0, 0},
+ .rd_pin = {AT91_PIN_PD3, AT91_PIN_PERIPH_A, 1, 0, 0},
+ .rk_pin = {AT91_PIN_PD4, AT91_PIN_PERIPH_A, 1, 0, 0},
+ .rf_pin = {AT91_PIN_PD5, AT91_PIN_PERIPH_A, 1, 0, 0},
+};
+
+static struct at91_dev_table_ssc device_ssc1 __initdata = {
+ .mmio_base = AT91SAM9G45_BASE_SSC1,
+ .irq = AT91SAM9G45_ID_SSC1,
+ .clock_asc = "ssc1_clk",
+ .clock_name = "pclk",
+ .tf_pin = {AT91_PIN_PD14, AT91_PIN_PERIPH_A, 1, 0, 0},
+ .tk_pin = {AT91_PIN_PD12, AT91_PIN_PERIPH_A, 1, 0, 0},
+ .td_pin = {AT91_PIN_PD10, AT91_PIN_PERIPH_A, 1, 0, 0},
+ .rd_pin = {AT91_PIN_PD11, AT91_PIN_PERIPH_A, 1, 0, 0},
+ .rk_pin = {AT91_PIN_PD13, AT91_PIN_PERIPH_A, 1, 0, 0},
+ .rf_pin = {AT91_PIN_PD15, AT91_PIN_PERIPH_A, 1, 0, 0},
};
-static inline void configure_ssc1_pins(unsigned pins)
-{
- if (pins & ATMEL_SSC_TF)
- at91_set_A_periph(AT91_PIN_PD14, 1);
- if (pins & ATMEL_SSC_TK)
- at91_set_A_periph(AT91_PIN_PD12, 1);
- if (pins & ATMEL_SSC_TD)
- at91_set_A_periph(AT91_PIN_PD10, 1);
- if (pins & ATMEL_SSC_RD)
- at91_set_A_periph(AT91_PIN_PD11, 1);
- if (pins & ATMEL_SSC_RK)
- at91_set_A_periph(AT91_PIN_PD13, 1);
- if (pins & ATMEL_SSC_RF)
- at91_set_A_periph(AT91_PIN_PD15, 1);
-}
-
-/*
- * SSC controllers are accessed through library code, instead of any
- * kind of all-singing/all-dancing driver. For example one could be
- * used by a particular I2S audio codec's driver, while another one
- * on the same system might be used by a custom data capture driver.
- */
-void __init at91_add_device_ssc(unsigned id, unsigned pins)
-{
- struct platform_device *pdev;
-
- /*
- * NOTE: caller is responsible for passing information matching
- * "pins" to whatever will be using each particular controller.
- */
- switch (id) {
- case AT91SAM9G45_ID_SSC0:
- pdev = &at91sam9g45_ssc0_device;
- configure_ssc0_pins(pins);
- at91_clock_associate("ssc0_clk", &pdev->dev, "pclk");
- break;
- case AT91SAM9G45_ID_SSC1:
- pdev = &at91sam9g45_ssc1_device;
- configure_ssc1_pins(pins);
- at91_clock_associate("ssc1_clk", &pdev->dev, "pclk");
- break;
- default:
- return;
- }
-
- platform_device_register(pdev);
-}
-
-#else
-void __init at91_add_device_ssc(unsigned id, unsigned pins) {}
-#endif
-
-
/* --------------------------------------------------------------------
* UART
* -------------------------------------------------------------------- */
@@ -799,6 +703,8 @@ static struct at91_device_table at91sam9g45_device_table __initdata = {
.uart[2] = &device_uart2,
.uart[3] = &device_uart3,
.pwm = &device_pwm,
+ .ssc[0] = &device_ssc0,
+ .ssc[1] = &device_ssc1,
};
void __init at91sam9g45_init_devices(void)
diff --git a/arch/arm/mach-at91/at91sam9rl_devices.c b/arch/arm/mach-at91/at91sam9rl_devices.c
index 76aa9b6..20f516d 100644
--- a/arch/arm/mach-at91/at91sam9rl_devices.c
+++ b/arch/arm/mach-at91/at91sam9rl_devices.c
@@ -462,128 +462,32 @@ static struct at91_dev_table_pwm device_pwm __initdata = {
* SSC -- Synchronous Serial Controller
* -------------------------------------------------------------------- */
-#if defined(CONFIG_ATMEL_SSC) || defined(CONFIG_ATMEL_SSC_MODULE)
-static u64 ssc0_dmamask = DMA_BIT_MASK(32);
-
-static struct resource ssc0_resources[] = {
- [0] = {
- .start = AT91SAM9RL_BASE_SSC0,
- .end = AT91SAM9RL_BASE_SSC0 + SZ_16K - 1,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = AT91SAM9RL_ID_SSC0,
- .end = AT91SAM9RL_ID_SSC0,
- .flags = IORESOURCE_IRQ,
- },
+static struct at91_dev_table_ssc device_ssc0 __initdata = {
+ .mmio_base = AT91SAM9RL_BASE_SSC0,
+ .irq = AT91SAM9RL_ID_SSC0,
+ .clock_asc = "ssc0_clk",
+ .clock_name = "pclk",
+ .tf_pin = {AT91_PIN_PC0, AT91_PIN_PERIPH_A, 1, 0, 0},
+ .tk_pin = {AT91_PIN_PC1, AT91_PIN_PERIPH_A, 1, 0, 0},
+ .td_pin = {AT91_PIN_PA15, AT91_PIN_PERIPH_A, 1, 0, 0},
+ .rd_pin = {AT91_PIN_PA16, AT91_PIN_PERIPH_A, 1, 0, 0},
+ .rk_pin = {AT91_PIN_PA10, AT91_PIN_PERIPH_B, 1, 0, 0},
+ .rf_pin = {AT91_PIN_PA22, AT91_PIN_PERIPH_B, 1, 0, 0},
};
-static struct platform_device at91sam9rl_ssc0_device = {
- .name = "ssc",
- .id = 0,
- .dev = {
- .dma_mask = &ssc0_dmamask,
- .coherent_dma_mask = DMA_BIT_MASK(32),
- },
- .resource = ssc0_resources,
- .num_resources = ARRAY_SIZE(ssc0_resources),
+static struct at91_dev_table_ssc device_ssc1 __initdata = {
+ .mmio_base = AT91SAM9RL_BASE_SSC1,
+ .irq = AT91SAM9RL_ID_SSC1,
+ .clock_asc = "ssc1_clk",
+ .clock_name = "pclk",
+ .tf_pin = {AT91_PIN_PA29, AT91_PIN_PERIPH_B, 1, 0, 0},
+ .tk_pin = {AT91_PIN_PA30, AT91_PIN_PERIPH_B, 1, 0, 0},
+ .td_pin = {AT91_PIN_PA13, AT91_PIN_PERIPH_B, 1, 0, 0},
+ .rd_pin = {AT91_PIN_PA14, AT91_PIN_PERIPH_B, 1, 0, 0},
+ .rk_pin = {AT91_PIN_PA9, AT91_PIN_PERIPH_B, 1, 0, 0},
+ .rf_pin = {AT91_PIN_PA8, AT91_PIN_PERIPH_B, 1, 0, 0},
};
-static inline void configure_ssc0_pins(unsigned pins)
-{
- if (pins & ATMEL_SSC_TF)
- at91_set_A_periph(AT91_PIN_PC0, 1);
- if (pins & ATMEL_SSC_TK)
- at91_set_A_periph(AT91_PIN_PC1, 1);
- if (pins & ATMEL_SSC_TD)
- at91_set_A_periph(AT91_PIN_PA15, 1);
- if (pins & ATMEL_SSC_RD)
- at91_set_A_periph(AT91_PIN_PA16, 1);
- if (pins & ATMEL_SSC_RK)
- at91_set_B_periph(AT91_PIN_PA10, 1);
- if (pins & ATMEL_SSC_RF)
- at91_set_B_periph(AT91_PIN_PA22, 1);
-}
-
-static u64 ssc1_dmamask = DMA_BIT_MASK(32);
-
-static struct resource ssc1_resources[] = {
- [0] = {
- .start = AT91SAM9RL_BASE_SSC1,
- .end = AT91SAM9RL_BASE_SSC1 + SZ_16K - 1,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = AT91SAM9RL_ID_SSC1,
- .end = AT91SAM9RL_ID_SSC1,
- .flags = IORESOURCE_IRQ,
- },
-};
-
-static struct platform_device at91sam9rl_ssc1_device = {
- .name = "ssc",
- .id = 1,
- .dev = {
- .dma_mask = &ssc1_dmamask,
- .coherent_dma_mask = DMA_BIT_MASK(32),
- },
- .resource = ssc1_resources,
- .num_resources = ARRAY_SIZE(ssc1_resources),
-};
-
-static inline void configure_ssc1_pins(unsigned pins)
-{
- if (pins & ATMEL_SSC_TF)
- at91_set_B_periph(AT91_PIN_PA29, 1);
- if (pins & ATMEL_SSC_TK)
- at91_set_B_periph(AT91_PIN_PA30, 1);
- if (pins & ATMEL_SSC_TD)
- at91_set_B_periph(AT91_PIN_PA13, 1);
- if (pins & ATMEL_SSC_RD)
- at91_set_B_periph(AT91_PIN_PA14, 1);
- if (pins & ATMEL_SSC_RK)
- at91_set_B_periph(AT91_PIN_PA9, 1);
- if (pins & ATMEL_SSC_RF)
- at91_set_B_periph(AT91_PIN_PA8, 1);
-}
-
-/*
- * SSC controllers are accessed through library code, instead of any
- * kind of all-singing/all-dancing driver. For example one could be
- * used by a particular I2S audio codec's driver, while another one
- * on the same system might be used by a custom data capture driver.
- */
-void __init at91_add_device_ssc(unsigned id, unsigned pins)
-{
- struct platform_device *pdev;
-
- /*
- * NOTE: caller is responsible for passing information matching
- * "pins" to whatever will be using each particular controller.
- */
- switch (id) {
- case AT91SAM9RL_ID_SSC0:
- pdev = &at91sam9rl_ssc0_device;
- configure_ssc0_pins(pins);
- at91_clock_associate("ssc0_clk", &pdev->dev, "pclk");
- break;
- case AT91SAM9RL_ID_SSC1:
- pdev = &at91sam9rl_ssc1_device;
- configure_ssc1_pins(pins);
- at91_clock_associate("ssc1_clk", &pdev->dev, "pclk");
- break;
- default:
- return;
- }
-
- platform_device_register(pdev);
-}
-
-#else
-void __init at91_add_device_ssc(unsigned id, unsigned pins) {}
-#endif
-
-
/* --------------------------------------------------------------------
* UART
* -------------------------------------------------------------------- */
@@ -674,6 +578,8 @@ static struct at91_device_table at91sam9rl_device_table __initdata = {
.uart[2] = &device_uart2,
.uart[3] = &device_uart3,
.pwm = &device_pwm,
+ .ssc[0] = &device_ssc0,
+ .ssc[1] = &device_ssc1,
};
void __init at91sam9rl_init_devices(void)
diff --git a/arch/arm/mach-at91/board-afeb-9260v1.c b/arch/arm/mach-at91/board-afeb-9260v1.c
index 4c382c3..7b9e7f0 100644
--- a/arch/arm/mach-at91/board-afeb-9260v1.c
+++ b/arch/arm/mach-at91/board-afeb-9260v1.c
@@ -211,7 +211,7 @@ static void __init afeb9260_board_init(void)
at91_add_device_i2c(0, afeb9260_i2c_devices,
ARRAY_SIZE(afeb9260_i2c_devices));
/* Audio */
- at91_add_device_ssc(AT91SAM9260_ID_SSC, ATMEL_SSC_TX);
+ at91_add_device_ssc(0, ATMEL_SSC_TX);
/* IDE */
at91_add_device_cf(&afeb9260_cf_data);
}
diff --git a/arch/arm/mach-at91/board-sam9260ek.c b/arch/arm/mach-at91/board-sam9260ek.c
index e9926e5..88f3238 100644
--- a/arch/arm/mach-at91/board-sam9260ek.c
+++ b/arch/arm/mach-at91/board-sam9260ek.c
@@ -347,7 +347,7 @@ static void __init ek_board_init(void)
at91_add_device_i2c(0, ek_i2c_devices, ARRAY_SIZE(ek_i2c_devices));
/* SSC (to AT73C213) */
at73c213_set_clk(&at73c213_data);
- at91_add_device_ssc(AT91SAM9260_ID_SSC, ATMEL_SSC_TX);
+ at91_add_device_ssc(0, ATMEL_SSC_TX);
/* LEDs */
at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
/* Push Buttons */
diff --git a/arch/arm/mach-at91/board-sam9261ek.c b/arch/arm/mach-at91/board-sam9261ek.c
index 3e848ba..1139b69 100644
--- a/arch/arm/mach-at91/board-sam9261ek.c
+++ b/arch/arm/mach-at91/board-sam9261ek.c
@@ -604,7 +604,7 @@ static void __init ek_board_init(void)
ek_add_device_ts();
/* SSC (to AT73C213) */
at73c213_set_clk(&at73c213_data);
- at91_add_device_ssc(AT91SAM9261_ID_SSC1, ATMEL_SSC_TX);
+ at91_add_device_ssc(1, ATMEL_SSC_TX);
#else
/* MMC */
at91_add_device_mmc(0, &ek_mmc_data);
diff --git a/arch/arm/mach-at91/board-sam9g20ek.c b/arch/arm/mach-at91/board-sam9g20ek.c
index d228b5f..edcb674 100644
--- a/arch/arm/mach-at91/board-sam9g20ek.c
+++ b/arch/arm/mach-at91/board-sam9g20ek.c
@@ -401,7 +401,7 @@ static void __init ek_board_init(void)
/* PCK0 provides MCLK to the WM8731 */
at91_set_B_periph(AT91_PIN_PC1, 0);
/* SSC (for WM8731) */
- at91_add_device_ssc(AT91SAM9260_ID_SSC, ATMEL_SSC_TX);
+ at91_add_device_ssc(0, ATMEL_SSC_TX);
}
MACHINE_START(AT91SAM9G20EK, "Atmel AT91SAM9G20-EK")
diff --git a/arch/arm/mach-at91/board-snapper9260.c b/arch/arm/mach-at91/board-snapper9260.c
index 4521b66..bc4e710 100644
--- a/arch/arm/mach-at91/board-snapper9260.c
+++ b/arch/arm/mach-at91/board-snapper9260.c
@@ -172,8 +172,8 @@ static void __init snapper9260_board_init(void)
at91_add_device_usbh_ohci(&snapper9260_usbh_data);
at91_add_device_udc(&snapper9260_udc_data);
at91_add_device_eth(&snapper9260_macb_data);
- at91_add_device_ssc(AT91SAM9260_ID_SSC, (ATMEL_SSC_TF | ATMEL_SSC_TK |
- ATMEL_SSC_TD | ATMEL_SSC_RD));
+ at91_add_device_ssc(0, (ATMEL_SSC_TF | ATMEL_SSC_TK |
+ ATMEL_SSC_TD | ATMEL_SSC_RD));
snapper9260_add_device_nand();
}
diff --git a/arch/arm/mach-at91/devices.c b/arch/arm/mach-at91/devices.c
index 218fad6..aebcd24 100644
--- a/arch/arm/mach-at91/devices.c
+++ b/arch/arm/mach-at91/devices.c
@@ -1358,6 +1358,173 @@ void __init at91_add_device_pwm(u32 mask)
void __init at91_add_device_pwm(u32 mask) {}
#endif
+/* --------------------------------------------------------------------
+ * SSC -- Synchronous Serial Controller
+ * -------------------------------------------------------------------- */
+
+#if defined(CONFIG_ATMEL_SSC) || defined(CONFIG_ATMEL_SSC_MODULE)
+static u64 ssc0_dmamask = DMA_BIT_MASK(32);
+
+static struct resource ssc0_resources[] = {
+ [0] = {
+ .end = SZ_16K,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device at91_ssc0_device = {
+ .name = "ssc",
+ .id = 0,
+ .dev = {
+ .dma_mask = &ssc0_dmamask,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
+ },
+ .resource = ssc0_resources,
+ .num_resources = ARRAY_SIZE(ssc0_resources),
+};
+
+static u64 ssc1_dmamask = DMA_BIT_MASK(32);
+
+static struct resource ssc1_resources[] = {
+ [0] = {
+ .end = SZ_16K,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device at91_ssc1_device = {
+ .name = "ssc",
+ .id = 1,
+ .dev = {
+ .dma_mask = &ssc1_dmamask,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
+ },
+ .resource = ssc1_resources,
+ .num_resources = ARRAY_SIZE(ssc1_resources),
+};
+
+static u64 ssc2_dmamask = DMA_BIT_MASK(32);
+
+static struct resource ssc2_resources[] = {
+ [0] = {
+ .end = SZ_16K,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device at91_ssc2_device = {
+ .name = "ssc",
+ .id = 2,
+ .dev = {
+ .dma_mask = &ssc2_dmamask,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
+ },
+ .resource = ssc2_resources,
+ .num_resources = ARRAY_SIZE(ssc2_resources),
+};
+
+static u64 ssc3_dmamask = DMA_BIT_MASK(32);
+
+static struct resource ssc3_resources[] = {
+ [0] = {
+ .end = SZ_16K,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device at91_ssc3_device = {
+ .name = "ssc",
+ .id = 3,
+ .dev = {
+ .dma_mask = &ssc3_dmamask,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
+ },
+ .resource = ssc3_resources,
+ .num_resources = ARRAY_SIZE(ssc3_resources),
+};
+
+static inline void configure_ssc(struct at91_dev_table_ssc *ssc,
+ struct resource *res, struct device *dev,
+ unsigned pins)
+{
+ init_resource_mem(&res[0], ssc->mmio_base);
+ init_resource_irq(&res[1], ssc->irq);
+ if (ssc->clock_asc)
+ at91_clock_associate(ssc->clock_asc, dev, "pclk");
+
+ if (pins & ATMEL_SSC_TF)
+ at91_config_pins(&ssc->tf_pin, 1);
+ if (pins & ATMEL_SSC_TK)
+ at91_config_pins(&ssc->tk_pin, 1);
+ if (pins & ATMEL_SSC_TD)
+ at91_config_pins(&ssc->td_pin, 1);
+ if (pins & ATMEL_SSC_RD)
+ at91_config_pins(&ssc->rd_pin, 1);
+ if (pins & ATMEL_SSC_RK)
+ at91_config_pins(&ssc->rk_pin, 1);
+ if (pins & ATMEL_SSC_RF)
+ at91_config_pins(&ssc->rf_pin, 1);
+}
+
+/*
+ * SSC controllers are accessed through library code, instead of any
+ * kind of all-singing/all-dancing driver. For example one could be
+ * used by a particular I2S audio codec's driver, while another one
+ * on the same system might be used by a custom data capture driver.
+ */
+void __init at91_add_device_ssc(unsigned id, unsigned pins)
+{
+ struct at91_dev_table_ssc *info;
+ struct platform_device *pdev;
+ struct resource *res;
+
+ BUG_ON(id < 0 || id >= ARRAY_SIZE(devices->ssc) || !devices->ssc[id]);
+ info = devices->ssc[id];
+
+ /*
+ * NOTE: caller is responsible for passing information matching
+ * "pins" to whatever will be using each particular controller.
+ */
+ switch (id) {
+ case 0:
+ pdev = &at91_ssc0_device;
+ res = ssc0_resources;
+ break;
+ case 1:
+ pdev = &at91_ssc1_device;
+ res = ssc1_resources;
+ break;
+ case 2:
+ pdev = &at91_ssc2_device;
+ res = ssc2_resources;
+ break;
+ case 3:
+ pdev = &at91_ssc3_device;
+ res = ssc3_resources;
+ break;
+ default:
+ return;
+ }
+
+ configure_ssc(info, res, &pdev->dev, pins);
+ platform_device_register(pdev);
+}
+#else
+void __init at91_add_device_ssc(unsigned id, unsigned pins) {}
+#endif
+
static int __init at91_add_standard_devices(void)
{
at91_add_device_tc();
diff --git a/arch/arm/mach-at91/devices.h b/arch/arm/mach-at91/devices.h
index 52563be..177fc3d 100644
--- a/arch/arm/mach-at91/devices.h
+++ b/arch/arm/mach-at91/devices.h
@@ -128,6 +128,19 @@ struct at91_dev_table_pwm {
struct at91_pin_config pwm_pins[4];
};
+struct at91_dev_table_ssc {
+ unsigned mmio_base;
+ int irq;
+ const char *clock_asc;
+ const char *clock_name;
+ struct at91_pin_config tf_pin;
+ struct at91_pin_config tk_pin;
+ struct at91_pin_config td_pin;
+ struct at91_pin_config rf_pin;
+ struct at91_pin_config rd_pin;
+ struct at91_pin_config rk_pin;
+};
+
struct at91_device_table {
struct at91_dev_table_ethernet *ethernet;
struct at91_dev_table_usb_ohci *usbh_ohci;
@@ -142,6 +155,7 @@ struct at91_device_table {
struct at91_dev_table_uart *dbgu;
struct at91_dev_table_uart *uart[6];
struct at91_dev_table_pwm *pwm;
+ struct at91_dev_table_ssc *ssc[4];
};
extern void __init at91_init_devices(struct at91_device_table *device_table);
--
1.7.0.4
More information about the linux-arm-kernel
mailing list