avr32: Add PSIF platform devices

This patch adds the PS/2 interface (PSIF) to the device code, split into
two platform devices, one for each port.

The function for adding the PSIF platform device is also added to the
board header file.

Signed-off-by: Hans-Christian Egtvedt <hcegtvedt@atmel.com>
Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>

diff --git a/arch/avr32/mach-at32ap/at32ap700x.c b/arch/avr32/mach-at32ap/at32ap700x.c
index 08115f9243fbb9ebe8ce2fd8585125f5c6ba00ba..a9ae7bb108b2a3e46c8bd61808d74e39602bf616 100644 (file)
--- a/arch/avr32/mach-at32ap/at32ap700x.c
+++ b/arch/avr32/mach-at32ap/at32ap700x.c
@@ -833,6 +833,81 @@ void __init at32_add_system_devices(void)
        platform_device_register(&pio4_device);
 }
 
+/* --------------------------------------------------------------------
+ *  PSIF
+ * -------------------------------------------------------------------- */
+static struct resource atmel_psif0_resource[] __initdata = {
+       {
+               .start  = 0xffe03c00,
+               .end    = 0xffe03cff,
+               .flags  = IORESOURCE_MEM,
+       },
+       IRQ(18),
+};
+static struct clk atmel_psif0_pclk = {
+       .name           = "pclk",
+       .parent         = &pba_clk,
+       .mode           = pba_clk_mode,
+       .get_rate       = pba_clk_get_rate,
+       .index          = 15,
+};
+
+static struct resource atmel_psif1_resource[] __initdata = {
+       {
+               .start  = 0xffe03d00,
+               .end    = 0xffe03dff,
+               .flags  = IORESOURCE_MEM,
+       },
+       IRQ(18),
+};
+static struct clk atmel_psif1_pclk = {
+       .name           = "pclk",
+       .parent         = &pba_clk,
+       .mode           = pba_clk_mode,
+       .get_rate       = pba_clk_get_rate,
+       .index          = 15,
+};
+
+struct platform_device *__init at32_add_device_psif(unsigned int id)
+{
+       struct platform_device *pdev;
+
+       if (!(id == 0 || id == 1))
+               return NULL;
+
+       pdev = platform_device_alloc("atmel_psif", id);
+       if (!pdev)
+               return NULL;
+
+       switch (id) {
+       case 0:
+               if (platform_device_add_resources(pdev, atmel_psif0_resource,
+                                       ARRAY_SIZE(atmel_psif0_resource)))
+                       goto err_add_resources;
+               atmel_psif0_pclk.dev = &pdev->dev;
+               select_peripheral(PA(8), PERIPH_A, 0); /* CLOCK */
+               select_peripheral(PA(9), PERIPH_A, 0); /* DATA  */
+               break;
+       case 1:
+               if (platform_device_add_resources(pdev, atmel_psif1_resource,
+                                       ARRAY_SIZE(atmel_psif1_resource)))
+                       goto err_add_resources;
+               atmel_psif1_pclk.dev = &pdev->dev;
+               select_peripheral(PB(11), PERIPH_A, 0); /* CLOCK */
+               select_peripheral(PB(12), PERIPH_A, 0); /* DATA  */
+               break;
+       default:
+               return NULL;
+       }
+
+       platform_device_add(pdev);
+       return pdev;
+
+err_add_resources:
+       platform_device_put(pdev);
+       return NULL;
+}
+
 /* --------------------------------------------------------------------
  *  USART
  * -------------------------------------------------------------------- */
@@ -1934,6 +2009,8 @@ struct clk *at32_clock_list[] = {
        &pio4_mck,
        &at32_tcb0_t0_clk,
        &at32_tcb1_t0_clk,
+       &atmel_psif0_pclk,
+       &atmel_psif1_pclk,
        &atmel_usart0_usart,
        &atmel_usart1_usart,
        &atmel_usart2_usart,

diff --git a/include/asm-avr32/arch-at32ap/board.h b/include/asm-avr32/arch-at32ap/board.h
index a78206cdb3dc94ba3ada19afdc1ad194a69dd802..b4cddfaca90ec7d42b7637eb7a46c86887d8657f 100644 (file)
--- a/include/asm-avr32/arch-at32ap/board.h
+++ b/include/asm-avr32/arch-at32ap/board.h
@@ -80,6 +80,7 @@ struct platform_device *at32_add_device_twi(unsigned int id,
 struct platform_device *at32_add_device_mci(unsigned int id);
 struct platform_device *at32_add_device_ac97c(unsigned int id);
 struct platform_device *at32_add_device_abdac(unsigned int id);
+struct platform_device *at32_add_device_psif(unsigned int id);
 
 struct cf_platform_data {
        int     detect_pin;