[PATCH 3/5] at91sam9261: add atmel lcdc frambuffer support
Jean-Christophe PLAGNIOL-VILLARD
plagnioj at jcrosoft.com
Sat Sep 22 14:26:46 EDT 2012
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj at jcrosoft.com>
Cc: Nicolas Ferre <nicolas.ferre at atmel.com>
---
arch/arm/mach-at91/at91sam9261.c | 1 +
arch/arm/mach-at91/at91sam9261_devices.c | 51 ++++++++++++++++++++++++++++++
2 files changed, 52 insertions(+)
diff --git a/arch/arm/mach-at91/at91sam9261.c b/arch/arm/mach-at91/at91sam9261.c
index d20b250..41e4d84 100644
--- a/arch/arm/mach-at91/at91sam9261.c
+++ b/arch/arm/mach-at91/at91sam9261.c
@@ -136,6 +136,7 @@ static struct clk *periph_clocks[] = {
static struct clk_lookup periph_clocks_lookups[] = {
CLKDEV_CON_DEV_ID("spi_clk", "atmel_spi0", &spi0_clk),
CLKDEV_CON_DEV_ID("spi_clk", "atmel_spi1", &spi1_clk),
+ CLKDEV_CON_DEV_ID("hck1", "atmel_lcdfb0", &lcdc_clk),
};
static struct clk_lookup usart_clocks_lookups[] = {
diff --git a/arch/arm/mach-at91/at91sam9261_devices.c b/arch/arm/mach-at91/at91sam9261_devices.c
index 0091e2d..a32b4df 100644
--- a/arch/arm/mach-at91/at91sam9261_devices.c
+++ b/arch/arm/mach-at91/at91sam9261_devices.c
@@ -168,6 +168,57 @@ void at91_add_device_spi(int spi_id, struct at91_spi_platform_data *pdata)
void __init at91_add_device_spi(int spi_id, struct at91_spi_platform_data *pdata) {}
#endif
+/* --------------------------------------------------------------------
+ * LCD Controller
+ * -------------------------------------------------------------------- */
+
+#if defined(CONFIG_DRIVER_VIDEO_ATMEL)
+void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data)
+{
+ BUG_ON(!data);
+
+#if defined(CONFIG_FB_ATMEL_STN)
+ at91_set_A_periph(AT91_PIN_PB0, 0); /* LCDVSYNC */
+ at91_set_A_periph(AT91_PIN_PB1, 0); /* LCDHSYNC */
+ at91_set_A_periph(AT91_PIN_PB2, 0); /* LCDDOTCK */
+ at91_set_A_periph(AT91_PIN_PB3, 0); /* LCDDEN */
+ at91_set_A_periph(AT91_PIN_PB4, 0); /* LCDCC */
+ at91_set_A_periph(AT91_PIN_PB5, 0); /* LCDD0 */
+ at91_set_A_periph(AT91_PIN_PB6, 0); /* LCDD1 */
+ at91_set_A_periph(AT91_PIN_PB7, 0); /* LCDD2 */
+ at91_set_A_periph(AT91_PIN_PB8, 0); /* LCDD3 */
+#else
+ at91_set_A_periph(AT91_PIN_PB1, 0); /* LCDHSYNC */
+ at91_set_A_periph(AT91_PIN_PB2, 0); /* LCDDOTCK */
+ at91_set_A_periph(AT91_PIN_PB3, 0); /* LCDDEN */
+ at91_set_A_periph(AT91_PIN_PB4, 0); /* LCDCC */
+ at91_set_A_periph(AT91_PIN_PB7, 0); /* LCDD2 */
+ at91_set_A_periph(AT91_PIN_PB8, 0); /* LCDD3 */
+ at91_set_A_periph(AT91_PIN_PB9, 0); /* LCDD4 */
+ at91_set_A_periph(AT91_PIN_PB10, 0); /* LCDD5 */
+ at91_set_A_periph(AT91_PIN_PB11, 0); /* LCDD6 */
+ at91_set_A_periph(AT91_PIN_PB12, 0); /* LCDD7 */
+ at91_set_A_periph(AT91_PIN_PB15, 0); /* LCDD10 */
+ at91_set_A_periph(AT91_PIN_PB16, 0); /* LCDD11 */
+ at91_set_A_periph(AT91_PIN_PB17, 0); /* LCDD12 */
+ at91_set_A_periph(AT91_PIN_PB18, 0); /* LCDD13 */
+ at91_set_A_periph(AT91_PIN_PB19, 0); /* LCDD14 */
+ at91_set_A_periph(AT91_PIN_PB20, 0); /* LCDD15 */
+ at91_set_B_periph(AT91_PIN_PB23, 0); /* LCDD18 */
+ at91_set_B_periph(AT91_PIN_PB24, 0); /* LCDD19 */
+ at91_set_B_periph(AT91_PIN_PB25, 0); /* LCDD20 */
+ at91_set_B_periph(AT91_PIN_PB26, 0); /* LCDD21 */
+ at91_set_B_periph(AT91_PIN_PB27, 0); /* LCDD22 */
+ at91_set_B_periph(AT91_PIN_PB28, 0); /* LCDD23 */
+#endif
+
+ add_generic_device("atmel_lcdfb", 0, NULL, AT91SAM9261_LCDC_BASE, SZ_4K,
+ IORESOURCE_MEM, data);
+}
+#else
+void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data) {}
+#endif
+
resource_size_t __init at91_configure_dbgu(void)
{
at91_set_A_periph(AT91_PIN_PA9, 0); /* DRXD */
--
1.7.10.4
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