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@@ -556,6 +556,17 @@ static struct clk pico_clk = {
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.users = 1,
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};
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+static struct resource dmaca0_resource[] = {
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+ {
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+ .start = 0xff200000,
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+ .end = 0xff20ffff,
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+ .flags = IORESOURCE_MEM,
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+ },
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+ IRQ(2),
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+};
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+DEFINE_DEV(dmaca, 0);
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+DEV_CLK(hclk, dmaca0, hsb, 10);
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+
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/* --------------------------------------------------------------------
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* HMATRIX
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* -------------------------------------------------------------------- */
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@@ -655,6 +666,7 @@ void __init at32_add_system_devices(void)
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platform_device_register(&at32_eic0_device);
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platform_device_register(&smc0_device);
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platform_device_register(&pdc_device);
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+ platform_device_register(&dmaca0_device);
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platform_device_register(&at32_systc0_device);
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@@ -959,6 +971,96 @@ at32_add_device_spi(unsigned int id, struct spi_board_info *b, unsigned int n)
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return pdev;
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}
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+/* --------------------------------------------------------------------
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+ * TWI
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+ * -------------------------------------------------------------------- */
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+static struct resource atmel_twi0_resource[] __initdata = {
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+ PBMEM(0xffe00800),
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+ IRQ(5),
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+};
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+static struct clk atmel_twi0_pclk = {
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+ .name = "twi_pclk",
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+ .parent = &pba_clk,
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+ .mode = pba_clk_mode,
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+ .get_rate = pba_clk_get_rate,
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+ .index = 2,
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+};
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+
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+struct platform_device *__init at32_add_device_twi(unsigned int id)
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+{
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+ struct platform_device *pdev;
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+
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+ if (id != 0)
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+ return NULL;
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+
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+ pdev = platform_device_alloc("atmel_twi", id);
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+ if (!pdev)
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+ return NULL;
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+
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+ if (platform_device_add_resources(pdev, atmel_twi0_resource,
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+ ARRAY_SIZE(atmel_twi0_resource)))
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+ goto err_add_resources;
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+
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+ select_peripheral(PA(6), PERIPH_A, 0); /* SDA */
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+ select_peripheral(PA(7), PERIPH_A, 0); /* SDL */
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+
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+ atmel_twi0_pclk.dev = &pdev->dev;
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+
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+ platform_device_add(pdev);
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+ return pdev;
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+
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+err_add_resources:
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+ platform_device_put(pdev);
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+ return NULL;
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+}
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+
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+/* --------------------------------------------------------------------
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+ * MMC
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+ * -------------------------------------------------------------------- */
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+static struct resource atmel_mci0_resource[] __initdata = {
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+ PBMEM(0xfff02400),
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+ IRQ(28),
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+};
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+static struct clk atmel_mci0_pclk = {
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+ .name = "mci_clk",
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+ .parent = &pbb_clk,
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+ .mode = pbb_clk_mode,
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+ .get_rate = pbb_clk_get_rate,
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+ .index = 9,
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+};
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+
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+struct platform_device *__init at32_add_device_mci(unsigned int id)
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+{
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+ struct platform_device *pdev;
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+
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+ if (id != 0)
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+ return NULL;
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+
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+ pdev = platform_device_alloc("atmel_mci", id);
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+ if (!pdev)
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+ return NULL;
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+
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+ if (platform_device_add_resources(pdev, atmel_mci0_resource,
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+ ARRAY_SIZE(atmel_mci0_resource)))
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+ goto err_add_resources;
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+
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+ select_peripheral(PA(10), PERIPH_A, 0); /* CLK */
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+ select_peripheral(PA(11), PERIPH_A, 0); /* CMD */
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+ select_peripheral(PA(12), PERIPH_A, 0); /* DATA0 */
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+ select_peripheral(PA(13), PERIPH_A, 0); /* DATA1 */
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+ select_peripheral(PA(14), PERIPH_A, 0); /* DATA2 */
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+ select_peripheral(PA(15), PERIPH_A, 0); /* DATA3 */
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+
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+ atmel_mci0_pclk.dev = &pdev->dev;
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+
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+ platform_device_add(pdev);
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+ return pdev;
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+
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+err_add_resources:
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+ platform_device_put(pdev);
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+ return NULL;
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+}
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+
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/* --------------------------------------------------------------------
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* LCDC
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* -------------------------------------------------------------------- */
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@@ -1227,6 +1329,241 @@ out_free_pdev:
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return NULL;
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}
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+/* --------------------------------------------------------------------
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+ * IDE / CompactFlash
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+ * -------------------------------------------------------------------- */
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+static struct resource at32_smc_cs4_resource[] __initdata = {
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+ {
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+ .start = 0x04000000,
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+ .end = 0x07ffffff,
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+ .flags = IORESOURCE_MEM,
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+ },
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+ IRQ(~0UL), /* Magic IRQ will be overridden */
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+};
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+static struct resource at32_smc_cs5_resource[] __initdata = {
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+ {
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+ .start = 0x20000000,
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+ .end = 0x23ffffff,
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+ .flags = IORESOURCE_MEM,
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+ },
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+ IRQ(~0UL), /* Magic IRQ will be overridden */
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+};
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+
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+static int __init at32_init_ide_or_cf(struct platform_device *pdev,
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+ unsigned int cs, unsigned int extint)
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+{
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+ static unsigned int extint_pin_map[4] __initdata = {
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+ GPIO_PIN_PB(25),
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+ GPIO_PIN_PB(26),
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+ GPIO_PIN_PB(27),
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+ GPIO_PIN_PB(28),
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+ };
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+ static bool common_pins_initialized __initdata = false;
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+ unsigned int extint_pin;
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+ int ret;
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+
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+ if (extint >= ARRAY_SIZE(extint_pin_map))
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+ return -EINVAL;
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+ extint_pin = extint_pin_map[extint];
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+
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+ switch (cs) {
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+ case 4:
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+ ret = platform_device_add_resources(pdev,
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+ at32_smc_cs4_resource,
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+ ARRAY_SIZE(at32_smc_cs4_resource));
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+ if (ret)
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+ return ret;
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+
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+ select_peripheral(PE(21), PERIPH_A, 0); /* NCS4 -> OE_N */
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+ set_ebi_sfr_bits(HMATRIX_BIT(CS4A));
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+ break;
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+ case 5:
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+ ret = platform_device_add_resources(pdev,
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+ at32_smc_cs5_resource,
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+ ARRAY_SIZE(at32_smc_cs5_resource));
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+ if (ret)
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+ return ret;
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+
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+ select_peripheral(PE(22), PERIPH_A, 0); /* NCS5 -> OE_N */
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+ set_ebi_sfr_bits(HMATRIX_BIT(CS5A));
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+ break;
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+ default:
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+ return -EINVAL;
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+ }
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+
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+ if (!common_pins_initialized) {
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+ select_peripheral(PE(19), PERIPH_A, 0); /* CFCE1 -> CS0_N */
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+ select_peripheral(PE(20), PERIPH_A, 0); /* CFCE2 -> CS1_N */
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+ select_peripheral(PE(23), PERIPH_A, 0); /* CFRNW -> DIR */
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+ select_peripheral(PE(24), PERIPH_A, 0); /* NWAIT <- IORDY */
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+ common_pins_initialized = true;
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+ }
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+
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+ at32_select_periph(extint_pin, GPIO_PERIPH_A, AT32_GPIOF_DEGLITCH);
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+
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+ pdev->resource[1].start = EIM_IRQ_BASE + extint;
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+ pdev->resource[1].end = pdev->resource[1].start;
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+
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+ return 0;
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+}
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+
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+struct platform_device *__init
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+at32_add_device_ide(unsigned int id, unsigned int extint,
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+ struct ide_platform_data *data)
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+{
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+ struct platform_device *pdev;
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+
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+ pdev = platform_device_alloc("at32_ide", id);
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+ if (!pdev)
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+ goto fail;
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+
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+ if (platform_device_add_data(pdev, data,
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+ sizeof(struct ide_platform_data)))
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+ goto fail;
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+
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+ if (at32_init_ide_or_cf(pdev, data->cs, extint))
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+ goto fail;
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+
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+ platform_device_add(pdev);
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+ return pdev;
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+
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+fail:
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+ platform_device_put(pdev);
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+ return NULL;
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+}
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+
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+struct platform_device *__init
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+at32_add_device_cf(unsigned int id, unsigned int extint,
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+ struct cf_platform_data *data)
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+{
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+ struct platform_device *pdev;
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+
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+ pdev = platform_device_alloc("at32_cf", id);
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+ if (!pdev)
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+ goto fail;
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+
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+ if (platform_device_add_data(pdev, data,
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+ sizeof(struct cf_platform_data)))
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+ goto fail;
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+
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+ if (at32_init_ide_or_cf(pdev, data->cs, extint))
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+ goto fail;
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+
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+ if (data->detect_pin != GPIO_PIN_NONE)
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+ at32_select_gpio(data->detect_pin, AT32_GPIOF_DEGLITCH);
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+ if (data->reset_pin != GPIO_PIN_NONE)
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+ at32_select_gpio(data->reset_pin, 0);
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+ if (data->vcc_pin != GPIO_PIN_NONE)
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+ at32_select_gpio(data->vcc_pin, 0);
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+ /* READY is used as extint, so we can't select it as gpio */
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+
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+ platform_device_add(pdev);
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+ return pdev;
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+
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+fail:
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+ platform_device_put(pdev);
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+ return NULL;
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+}
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+
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+/* --------------------------------------------------------------------
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+ * AC97C
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+ * -------------------------------------------------------------------- */
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+static struct resource atmel_ac97c0_resource[] __initdata = {
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+ PBMEM(0xfff02800),
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+ IRQ(29),
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+};
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+static struct clk atmel_ac97c0_pclk = {
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+ .name = "pclk",
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+ .parent = &pbb_clk,
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+ .mode = pbb_clk_mode,
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+ .get_rate = pbb_clk_get_rate,
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+ .index = 10,
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+};
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+
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+struct platform_device *__init at32_add_device_ac97c(unsigned int id)
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+{
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+ struct platform_device *pdev;
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+
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+ if (id != 0)
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+ return NULL;
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+
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+ pdev = platform_device_alloc("atmel_ac97c", id);
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+ if (!pdev)
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+ return NULL;
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+
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+ if (platform_device_add_resources(pdev, atmel_ac97c0_resource,
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+ ARRAY_SIZE(atmel_ac97c0_resource)))
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+ goto err_add_resources;
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+
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+ select_peripheral(PB(20), PERIPH_B, 0); /* SYNC */
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+ select_peripheral(PB(21), PERIPH_B, 0); /* SDO */
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+ select_peripheral(PB(22), PERIPH_B, 0); /* SDI */
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+ select_peripheral(PB(23), PERIPH_B, 0); /* SCLK */
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+
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+ atmel_ac97c0_pclk.dev = &pdev->dev;
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+
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+ platform_device_add(pdev);
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+ return pdev;
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+
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+err_add_resources:
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+ platform_device_put(pdev);
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+ return NULL;
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+}
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+
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+/* --------------------------------------------------------------------
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+ * ABDAC
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+ * -------------------------------------------------------------------- */
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+static struct resource abdac0_resource[] __initdata = {
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+ PBMEM(0xfff02000),
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+ IRQ(27),
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+};
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+static struct clk abdac0_pclk = {
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+ .name = "pclk",
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+ .parent = &pbb_clk,
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+ .mode = pbb_clk_mode,
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+ .get_rate = pbb_clk_get_rate,
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+ .index = 8,
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+};
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+static struct clk abdac0_sample_clk = {
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+ .name = "sample_clk",
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+ .mode = genclk_mode,
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+ .get_rate = genclk_get_rate,
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+ .set_rate = genclk_set_rate,
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+ .set_parent = genclk_set_parent,
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+ .index = 6,
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+};
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+
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+struct platform_device *__init at32_add_device_abdac(unsigned int id)
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+{
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+ struct platform_device *pdev;
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+
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+ if (id != 0)
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+ return NULL;
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+
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+ pdev = platform_device_alloc("abdac", id);
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+ if (!pdev)
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+ return NULL;
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+
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+ if (platform_device_add_resources(pdev, abdac0_resource,
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+ ARRAY_SIZE(abdac0_resource)))
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+ goto err_add_resources;
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+
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+ select_peripheral(PB(20), PERIPH_A, 0); /* DATA1 */
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+ select_peripheral(PB(21), PERIPH_A, 0); /* DATA0 */
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+ select_peripheral(PB(22), PERIPH_A, 0); /* DATAN1 */
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+ select_peripheral(PB(23), PERIPH_A, 0); /* DATAN0 */
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+
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+ abdac0_pclk.dev = &pdev->dev;
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+ abdac0_sample_clk.dev = &pdev->dev;
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+
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+ platform_device_add(pdev);
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+ return pdev;
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+
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+err_add_resources:
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+ platform_device_put(pdev);
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+ return NULL;
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+}
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+
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/* --------------------------------------------------------------------
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* GCLK
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* -------------------------------------------------------------------- */
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@@ -1290,6 +1627,7 @@ struct clk *at32_clock_list[] = {
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&smc0_mck,
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&pdc_hclk,
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&pdc_pclk,
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+ &dmaca0_hclk,
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&pico_clk,
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&pio0_mck,
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&pio1_mck,
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@@ -1307,6 +1645,8 @@ struct clk *at32_clock_list[] = {
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&macb1_pclk,
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&atmel_spi0_spi_clk,
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&atmel_spi1_spi_clk,
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+ &atmel_twi0_pclk,
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+ &atmel_mci0_pclk,
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&atmel_lcdfb0_hck1,
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&atmel_lcdfb0_pixclk,
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&ssc0_pclk,
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@@ -1314,6 +1654,9 @@ struct clk *at32_clock_list[] = {
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&ssc2_pclk,
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&usba0_hclk,
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&usba0_pclk,
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+ &atmel_ac97c0_pclk,
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+ &abdac0_pclk,
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+ &abdac0_sample_clk,
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&gclk0,
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&gclk1,
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&gclk2,
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@@ -1355,6 +1698,7 @@ void __init at32_clock_init(void)
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genclk_init_parent(&gclk3);
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genclk_init_parent(&gclk4);
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genclk_init_parent(&atmel_lcdfb0_pixclk);
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+ genclk_init_parent(&abdac0_sample_clk);
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/*
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* Turn on all clocks that have at least one user already, and
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