[PATCH 3/6] at91sam9x5: add lcd support
Jean-Christophe PLAGNIOL-VILLARD
plagnioj at jcrosoft.com
Wed Jan 30 18:20:14 EST 2013
the sam9x5 have multiple overlay but only register the base one
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj at jcrosoft.com>
---
arch/arm/mach-at91/at91sam9x5.c | 1 +
arch/arm/mach-at91/at91sam9x5_devices.c | 55 +++++++++++++++++++++++++++++++
2 files changed, 56 insertions(+)
diff --git a/arch/arm/mach-at91/at91sam9x5.c b/arch/arm/mach-at91/at91sam9x5.c
index e6e3a2f..01eac18 100644
--- a/arch/arm/mach-at91/at91sam9x5.c
+++ b/arch/arm/mach-at91/at91sam9x5.c
@@ -216,6 +216,7 @@ static struct clk_lookup periph_clocks_lookups[] = {
CLKDEV_DEV_ID("at91sam9x5-gpio2", &pioCD_clk),
CLKDEV_DEV_ID("at91sam9x5-gpio3", &pioCD_clk),
CLKDEV_DEV_ID("at91-pit", &mck),
+ CLKDEV_CON_DEV_ID("hck1", "atmel_hlcdfb", &lcdc_clk),
};
static struct clk_lookup usart_clocks_lookups[] = {
diff --git a/arch/arm/mach-at91/at91sam9x5_devices.c b/arch/arm/mach-at91/at91sam9x5_devices.c
index 21aead9..9f211e3 100644
--- a/arch/arm/mach-at91/at91sam9x5_devices.c
+++ b/arch/arm/mach-at91/at91sam9x5_devices.c
@@ -391,6 +391,61 @@ void at91_add_device_spi(int spi_id, struct at91_spi_platform_data *pdata) {}
#endif
/* --------------------------------------------------------------------
+ * LCD Controller
+ * -------------------------------------------------------------------- */
+
+#if defined(CONFIG_DRIVER_VIDEO_ATMEL_HLCD)
+void __init at91_add_device_lcdc(struct atmel_lcdfb_platform_data *data)
+{
+ BUG_ON(!data);
+
+ if (cpu_is_at91sam9g25() || cpu_is_at91sam9x25()) {
+ pr_warn("AT91: no lcd on at91sam9g25 or at91sam9x25\n");
+ return;
+ }
+
+ at91_set_A_periph(AT91_PIN_PC26, 0); /* LCDPWM */
+
+ at91_set_A_periph(AT91_PIN_PC27, 0); /* LCDVSYNC */
+ at91_set_A_periph(AT91_PIN_PC28, 0); /* LCDHSYNC */
+
+ at91_set_A_periph(AT91_PIN_PC24, 0); /* LCDDISP */
+ at91_set_A_periph(AT91_PIN_PC29, 0); /* LCDDEN */
+ at91_set_A_periph(AT91_PIN_PC30, 0); /* LCDPCK */
+
+ at91_set_A_periph(AT91_PIN_PC0, 0); /* LCDD0 */
+ at91_set_A_periph(AT91_PIN_PC1, 0); /* LCDD1 */
+ at91_set_A_periph(AT91_PIN_PC2, 0); /* LCDD2 */
+ at91_set_A_periph(AT91_PIN_PC3, 0); /* LCDD3 */
+ at91_set_A_periph(AT91_PIN_PC4, 0); /* LCDD4 */
+ at91_set_A_periph(AT91_PIN_PC5, 0); /* LCDD5 */
+ at91_set_A_periph(AT91_PIN_PC6, 0); /* LCDD6 */
+ at91_set_A_periph(AT91_PIN_PC7, 0); /* LCDD7 */
+ at91_set_A_periph(AT91_PIN_PC8, 0); /* LCDD8 */
+ at91_set_A_periph(AT91_PIN_PC9, 0); /* LCDD9 */
+ at91_set_A_periph(AT91_PIN_PC10, 0); /* LCDD10 */
+ at91_set_A_periph(AT91_PIN_PC11, 0); /* LCDD11 */
+ at91_set_A_periph(AT91_PIN_PC12, 0); /* LCDD12 */
+ at91_set_A_periph(AT91_PIN_PC13, 0); /* LCDD13 */
+ at91_set_A_periph(AT91_PIN_PC14, 0); /* LCDD14 */
+ at91_set_A_periph(AT91_PIN_PC15, 0); /* LCDD15 */
+ at91_set_A_periph(AT91_PIN_PC16, 0); /* LCDD16 */
+ at91_set_A_periph(AT91_PIN_PC17, 0); /* LCDD17 */
+ at91_set_A_periph(AT91_PIN_PC18, 0); /* LCDD18 */
+ at91_set_A_periph(AT91_PIN_PC19, 0); /* LCDD19 */
+ at91_set_A_periph(AT91_PIN_PC20, 0); /* LCDD20 */
+ at91_set_A_periph(AT91_PIN_PC21, 0); /* LCDD21 */
+ at91_set_A_periph(AT91_PIN_PC22, 0); /* LCDD22 */
+ at91_set_A_periph(AT91_PIN_PC23, 0); /* LCDD23 */
+
+ add_generic_device("atmel_hlcdfb", DEVICE_ID_SINGLE, NULL, AT91SAM9X5_BASE_LCDC, SZ_4K,
+ IORESOURCE_MEM, data);
+}
+#else
+void __init at91_add_device_lcdc(struct atmel_lcdfb_platform_data *data) {}
+#endif
+
+/* --------------------------------------------------------------------
* UART
* -------------------------------------------------------------------- */
--
1.7.10.4
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