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-rw-r--r--arch/arm/mach-at91/at91rm9200_devices.c173
-rw-r--r--arch/arm/mach-at91/at91sam9260_devices.c79
-rw-r--r--arch/arm/mach-at91/at91sam9261_devices.c173
-rw-r--r--arch/arm/mach-at91/at91sam9263_devices.c129
-rw-r--r--arch/arm/mach-at91/at91sam9rl_devices.c129
5 files changed, 683 insertions, 0 deletions
diff --git a/arch/arm/mach-at91/at91rm9200_devices.c b/arch/arm/mach-at91/at91rm9200_devices.c
index a601c7c1670..cebea416877 100644
--- a/arch/arm/mach-at91/at91rm9200_devices.c
+++ b/arch/arm/mach-at91/at91rm9200_devices.c
@@ -636,6 +636,179 @@ void __init at91_init_leds(u8 cpu_led, u8 timer_led) {}
/* --------------------------------------------------------------------
+ * 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 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 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 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
* -------------------------------------------------------------------- */
diff --git a/arch/arm/mach-at91/at91sam9260_devices.c b/arch/arm/mach-at91/at91sam9260_devices.c
index c34fde362ad..2e3db137bc4 100644
--- a/arch/arm/mach-at91/at91sam9260_devices.c
+++ b/arch/arm/mach-at91/at91sam9260_devices.c
@@ -607,6 +607,85 @@ void __init at91_init_leds(u8 cpu_led, u8 timer_led) {}
/* --------------------------------------------------------------------
+ * 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 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
* -------------------------------------------------------------------- */
#if defined(CONFIG_SERIAL_ATMEL)
diff --git a/arch/arm/mach-at91/at91sam9261_devices.c b/arch/arm/mach-at91/at91sam9261_devices.c
index f7f02d15045..266ccf01be5 100644
--- a/arch/arm/mach-at91/at91sam9261_devices.c
+++ b/arch/arm/mach-at91/at91sam9261_devices.c
@@ -619,6 +619,179 @@ void __init at91_init_leds(u8 cpu_led, u8 timer_led) {}
/* --------------------------------------------------------------------
+ * 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 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 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 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
* -------------------------------------------------------------------- */
diff --git a/arch/arm/mach-at91/at91sam9263_devices.c b/arch/arm/mach-at91/at91sam9263_devices.c
index 9bdcf45defc..f83ef62f238 100644
--- a/arch/arm/mach-at91/at91sam9263_devices.c
+++ b/arch/arm/mach-at91/at91sam9263_devices.c
@@ -866,6 +866,135 @@ void __init at91_init_leds(u8 cpu_led, u8 timer_led) {}
/* --------------------------------------------------------------------
+ * 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 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);
+}
+
+/*
+ * Return the device node so that board init code can use it as the
+ * parent for the device node reflecting how it's used on this board.
+ *
+ * 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
* -------------------------------------------------------------------- */
diff --git a/arch/arm/mach-at91/at91sam9rl_devices.c b/arch/arm/mach-at91/at91sam9rl_devices.c
index bec8066f9ba..e886cdfe919 100644
--- a/arch/arm/mach-at91/at91sam9rl_devices.c
+++ b/arch/arm/mach-at91/at91sam9rl_devices.c
@@ -472,6 +472,135 @@ void __init at91_init_leds(u8 cpu_led, u8 timer_led) {}
/* --------------------------------------------------------------------
+ * 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 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 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);
+}
+
+/*
+ * Return the device node so that board init code can use it as the
+ * parent for the device node reflecting how it's used on this board.
+ *
+ * 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
* -------------------------------------------------------------------- */