[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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