[ARM] 4909/1: [AT91] Timer/Counter Block platform_devices

Register platform_devices for the Timer/Counter Block peripherals
found on the AT91RM9200, SAM9 & CAP9 processors.

Original patch from David Brownell.

Signed-off-by: Andrew Victor <linux@maxim.org.za>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

6 files changed, 346 insertions, 0 deletions

diff --git a/arch/arm/mach-at91/at91cap9_devices.c b/arch/arm/mach-at91/at91cap9_devices.c
index 7d782ee4117b..2eeaf5d5bbf3 100644
--- a/arch/arm/mach-at91/at91cap9_devices.c
+++ b/arch/arm/mach-at91/at91cap9_devices.c
@@ -537,6 +537,43 @@ void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices)
 
 
 /* --------------------------------------------------------------------
+ *  Timer/Counter block
+ * -------------------------------------------------------------------- */
+
+#ifdef CONFIG_ATMEL_TCLIB
+
+static struct resource tcb_resources[] = {
+        [0] = {
+                .start  = AT91CAP9_BASE_TCB0,
+                .end    = AT91CAP9_BASE_TCB0 + SZ_16K - 1,
+                .flags  = IORESOURCE_MEM,
+        },
+        [1] = {
+                .start  = AT91CAP9_ID_TCB,
+                .end    = AT91CAP9_ID_TCB,
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+
+static struct platform_device at91cap9_tcb_device = {
+        .name           = "atmel_tcb",
+        .id             = 0,
+        .resource       = tcb_resources,
+        .num_resources  = ARRAY_SIZE(tcb_resources),
+};
+
+static void __init at91_add_device_tc(void)
+{
+        /* this chip has one clock and irq for all three TC channels */
+        at91_clock_associate("tcb_clk", &at91cap9_tcb_device.dev, "t0_clk");
+        platform_device_register(&at91cap9_tcb_device);
+}
+#else
+static void __init at91_add_device_tc(void) { }
+#endif
+
+
+/* --------------------------------------------------------------------
  *  RTT
  * -------------------------------------------------------------------- */
 
@@ -1074,6 +1111,7 @@ static int __init at91_add_standard_devices(void)
 {
         at91_add_device_rtt();
         at91_add_device_watchdog();
+        at91_add_device_tc();
         return 0;
 }
 
diff --git a/arch/arm/mach-at91/at91rm9200_devices.c b/arch/arm/mach-at91/at91rm9200_devices.c
index ef6aeb86e980..70d3a0018530 100644
--- a/arch/arm/mach-at91/at91rm9200_devices.c
+++ b/arch/arm/mach-at91/at91rm9200_devices.c
@@ -577,6 +577,90 @@ void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices)
 
 
 /* --------------------------------------------------------------------
+ *  Timer/Counter blocks
+ * -------------------------------------------------------------------- */
+
+#ifdef CONFIG_ATMEL_TCLIB
+
+static struct resource tcb0_resources[] = {
+        [0] = {
+                .start  = AT91RM9200_BASE_TCB0,
+                .end    = AT91RM9200_BASE_TCB0 + SZ_16K - 1,
+                .flags  = IORESOURCE_MEM,
+        },
+        [1] = {
+                .start  = AT91RM9200_ID_TC0,
+                .end    = AT91RM9200_ID_TC0,
+                .flags  = IORESOURCE_IRQ,
+        },
+        [2] = {
+                .start  = AT91RM9200_ID_TC1,
+                .end    = AT91RM9200_ID_TC1,
+                .flags  = IORESOURCE_IRQ,
+        },
+        [3] = {
+                .start  = AT91RM9200_ID_TC2,
+                .end    = AT91RM9200_ID_TC2,
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+
+static struct platform_device at91rm9200_tcb0_device = {
+        .name           = "atmel_tcb",
+        .id             = 0,
+        .resource       = tcb0_resources,
+        .num_resources  = ARRAY_SIZE(tcb0_resources),
+};
+
+static struct resource tcb1_resources[] = {
+        [0] = {
+                .start  = AT91RM9200_BASE_TCB1,
+                .end    = AT91RM9200_BASE_TCB1 + SZ_16K - 1,
+                .flags  = IORESOURCE_MEM,
+        },
+        [1] = {
+                .start  = AT91RM9200_ID_TC3,
+                .end    = AT91RM9200_ID_TC3,
+                .flags  = IORESOURCE_IRQ,
+        },
+        [2] = {
+                .start  = AT91RM9200_ID_TC4,
+                .end    = AT91RM9200_ID_TC4,
+                .flags  = IORESOURCE_IRQ,
+        },
+        [3] = {
+                .start  = AT91RM9200_ID_TC5,
+                .end    = AT91RM9200_ID_TC5,
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+
+static struct platform_device at91rm9200_tcb1_device = {
+        .name           = "atmel_tcb",
+        .id             = 1,
+        .resource       = tcb1_resources,
+        .num_resources  = ARRAY_SIZE(tcb1_resources),
+};
+
+static void __init at91_add_device_tc(void)
+{
+        /* this chip has a separate clock and irq for each TC channel */
+        at91_clock_associate("tc0_clk", &at91rm9200_tcb0_device.dev, "t0_clk");
+        at91_clock_associate("tc1_clk", &at91rm9200_tcb0_device.dev, "t1_clk");
+        at91_clock_associate("tc2_clk", &at91rm9200_tcb0_device.dev, "t2_clk");
+        platform_device_register(&at91rm9200_tcb0_device);
+
+        at91_clock_associate("tc3_clk", &at91rm9200_tcb1_device.dev, "t0_clk");
+        at91_clock_associate("tc4_clk", &at91rm9200_tcb1_device.dev, "t1_clk");
+        at91_clock_associate("tc5_clk", &at91rm9200_tcb1_device.dev, "t2_clk");
+        platform_device_register(&at91rm9200_tcb1_device);
+}
+#else
+static void __init at91_add_device_tc(void) { }
+#endif
+
+
+/* --------------------------------------------------------------------
  *  RTC
  * -------------------------------------------------------------------- */
 
@@ -1141,6 +1225,7 @@ static int __init at91_add_standard_devices(void)
 {
         at91_add_device_rtc();
         at91_add_device_watchdog();
+        at91_add_device_tc();
         return 0;
 }
 
diff --git a/arch/arm/mach-at91/at91sam9260_devices.c b/arch/arm/mach-at91/at91sam9260_devices.c
index f20afe4d156c..20ac09c02312 100644
--- a/arch/arm/mach-at91/at91sam9260_devices.c
+++ b/arch/arm/mach-at91/at91sam9260_devices.c
@@ -545,6 +545,90 @@ void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices)
 
 
 /* --------------------------------------------------------------------
+ *  Timer/Counter blocks
+ * -------------------------------------------------------------------- */
+
+#ifdef CONFIG_ATMEL_TCLIB
+
+static struct resource tcb0_resources[] = {
+        [0] = {
+                .start  = AT91SAM9260_BASE_TCB0,
+                .end    = AT91SAM9260_BASE_TCB0 + SZ_16K - 1,
+                .flags  = IORESOURCE_MEM,
+        },
+        [1] = {
+                .start  = AT91SAM9260_ID_TC0,
+                .end    = AT91SAM9260_ID_TC0,
+                .flags  = IORESOURCE_IRQ,
+        },
+        [2] = {
+                .start  = AT91SAM9260_ID_TC1,
+                .end    = AT91SAM9260_ID_TC1,
+                .flags  = IORESOURCE_IRQ,
+        },
+        [3] = {
+                .start  = AT91SAM9260_ID_TC2,
+                .end    = AT91SAM9260_ID_TC2,
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+
+static struct platform_device at91sam9260_tcb0_device = {
+        .name           = "atmel_tcb",
+        .id             = 0,
+        .resource       = tcb0_resources,
+        .num_resources  = ARRAY_SIZE(tcb0_resources),
+};
+
+static struct resource tcb1_resources[] = {
+        [0] = {
+                .start  = AT91SAM9260_BASE_TCB1,
+                .end    = AT91SAM9260_BASE_TCB1 + SZ_16K - 1,
+                .flags  = IORESOURCE_MEM,
+        },
+        [1] = {
+                .start  = AT91SAM9260_ID_TC3,
+                .end    = AT91SAM9260_ID_TC3,
+                .flags  = IORESOURCE_IRQ,
+        },
+        [2] = {
+                .start  = AT91SAM9260_ID_TC4,
+                .end    = AT91SAM9260_ID_TC4,
+                .flags  = IORESOURCE_IRQ,
+        },
+        [3] = {
+                .start  = AT91SAM9260_ID_TC5,
+                .end    = AT91SAM9260_ID_TC5,
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+
+static struct platform_device at91sam9260_tcb1_device = {
+        .name           = "atmel_tcb",
+        .id             = 1,
+        .resource       = tcb1_resources,
+        .num_resources  = ARRAY_SIZE(tcb1_resources),
+};
+
+static void __init at91_add_device_tc(void)
+{
+        /* this chip has a separate clock and irq for each TC channel */
+        at91_clock_associate("tc0_clk", &at91sam9260_tcb0_device.dev, "t0_clk");
+        at91_clock_associate("tc1_clk", &at91sam9260_tcb0_device.dev, "t1_clk");
+        at91_clock_associate("tc2_clk", &at91sam9260_tcb0_device.dev, "t2_clk");
+        platform_device_register(&at91sam9260_tcb0_device);
+
+        at91_clock_associate("tc3_clk", &at91sam9260_tcb1_device.dev, "t0_clk");
+        at91_clock_associate("tc4_clk", &at91sam9260_tcb1_device.dev, "t1_clk");
+        at91_clock_associate("tc5_clk", &at91sam9260_tcb1_device.dev, "t2_clk");
+        platform_device_register(&at91sam9260_tcb1_device);
+}
+#else
+static void __init at91_add_device_tc(void) { }
+#endif
+
+
+/* --------------------------------------------------------------------
  *  RTT
  * -------------------------------------------------------------------- */
 
@@ -1108,6 +1192,7 @@ static int __init at91_add_standard_devices(void)
 {
         at91_add_device_rtt();
         at91_add_device_watchdog();
+        at91_add_device_tc();
         return 0;
 }
 
diff --git a/arch/arm/mach-at91/at91sam9261_devices.c b/arch/arm/mach-at91/at91sam9261_devices.c
index 0bd0edf8fa3b..03cd32482eac 100644
--- a/arch/arm/mach-at91/at91sam9261_devices.c
+++ b/arch/arm/mach-at91/at91sam9261_devices.c
@@ -548,6 +548,55 @@ void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data) {}
 
 
 /* --------------------------------------------------------------------
+ *  Timer/Counter block
+ * -------------------------------------------------------------------- */
+
+#ifdef CONFIG_ATMEL_TCLIB
+
+static struct resource tcb_resources[] = {
+        [0] = {
+                .start  = AT91SAM9261_BASE_TCB0,
+                .end    = AT91SAM9261_BASE_TCB0 + SZ_16K - 1,
+                .flags  = IORESOURCE_MEM,
+        },
+        [1] = {
+                .start  = AT91SAM9261_ID_TC0,
+                .end    = AT91SAM9261_ID_TC0,
+                .flags  = IORESOURCE_IRQ,
+        },
+        [2] = {
+                .start  = AT91SAM9261_ID_TC1,
+                .end    = AT91SAM9261_ID_TC1,
+                .flags  = IORESOURCE_IRQ,
+        },
+        [3] = {
+                .start  = AT91SAM9261_ID_TC2,
+                .end    = AT91SAM9261_ID_TC2,
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+
+static struct platform_device at91sam9261_tcb_device = {
+        .name           = "atmel_tcb",
+        .id             = 0,
+        .resource       = tcb_resources,
+        .num_resources  = ARRAY_SIZE(tcb_resources),
+};
+
+static void __init at91_add_device_tc(void)
+{
+        /* this chip has a separate clock and irq for each TC channel */
+        at91_clock_associate("tc0_clk", &at91sam9261_tcb_device.dev, "t0_clk");
+        at91_clock_associate("tc1_clk", &at91sam9261_tcb_device.dev, "t1_clk");
+        at91_clock_associate("tc2_clk", &at91sam9261_tcb_device.dev, "t2_clk");
+        platform_device_register(&at91sam9261_tcb_device);
+}
+#else
+static void __init at91_add_device_tc(void) { }
+#endif
+
+
+/* --------------------------------------------------------------------
  *  RTT
  * -------------------------------------------------------------------- */
 
@@ -1050,6 +1099,7 @@ static int __init at91_add_standard_devices(void)
 {
         at91_add_device_rtt();
         at91_add_device_watchdog();
+        at91_add_device_tc();
         return 0;
 }
 
diff --git a/arch/arm/mach-at91/at91sam9263_devices.c b/arch/arm/mach-at91/at91sam9263_devices.c
index 64aab9c9b97e..c81842c02706 100644
--- a/arch/arm/mach-at91/at91sam9263_devices.c
+++ b/arch/arm/mach-at91/at91sam9263_devices.c
@@ -788,6 +788,43 @@ void __init at91_add_device_isi(void) {}
 
 
 /* --------------------------------------------------------------------
+ *  Timer/Counter block
+ * -------------------------------------------------------------------- */
+
+#ifdef CONFIG_ATMEL_TCLIB
+
+static struct resource tcb_resources[] = {
+        [0] = {
+                .start  = AT91SAM9263_BASE_TCB0,
+                .end    = AT91SAM9263_BASE_TCB0 + SZ_16K - 1,
+                .flags  = IORESOURCE_MEM,
+        },
+        [1] = {
+                .start  = AT91SAM9263_ID_TCB,
+                .end    = AT91SAM9263_ID_TCB,
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+
+static struct platform_device at91sam9263_tcb_device = {
+        .name           = "atmel_tcb",
+        .id             = 0,
+        .resource       = tcb_resources,
+        .num_resources  = ARRAY_SIZE(tcb_resources),
+};
+
+static void __init at91_add_device_tc(void)
+{
+        /* this chip has one clock and irq for all three TC channels */
+        at91_clock_associate("tcb_clk", &at91sam9263_tcb_device.dev, "t0_clk");
+        platform_device_register(&at91sam9263_tcb_device);
+}
+#else
+static void __init at91_add_device_tc(void) { }
+#endif
+
+
+/* --------------------------------------------------------------------
  *  RTT
  * -------------------------------------------------------------------- */
 
@@ -1262,6 +1299,7 @@ static int __init at91_add_standard_devices(void)
 {
         at91_add_device_rtt();
         at91_add_device_watchdog();
+        at91_add_device_tc();
         return 0;
 }
 
diff --git a/arch/arm/mach-at91/at91sam9rl_devices.c b/arch/arm/mach-at91/at91sam9rl_devices.c
index 8982b02c8b46..892262a71d01 100644
--- a/arch/arm/mach-at91/at91sam9rl_devices.c
+++ b/arch/arm/mach-at91/at91sam9rl_devices.c
@@ -390,6 +390,55 @@ void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data) {}
 
 
 /* --------------------------------------------------------------------
+ *  Timer/Counter block
+ * -------------------------------------------------------------------- */
+
+#ifdef CONFIG_ATMEL_TCLIB
+
+static struct resource tcb_resources[] = {
+        [0] = {
+                .start  = AT91SAM9RL_BASE_TCB0,
+                .end    = AT91SAM9RL_BASE_TCB0 + SZ_16K - 1,
+                .flags  = IORESOURCE_MEM,
+        },
+        [1] = {
+                .start  = AT91SAM9RL_ID_TC0,
+                .end    = AT91SAM9RL_ID_TC0,
+                .flags  = IORESOURCE_IRQ,
+        },
+        [2] = {
+                .start  = AT91SAM9RL_ID_TC1,
+                .end    = AT91SAM9RL_ID_TC1,
+                .flags  = IORESOURCE_IRQ,
+        },
+        [3] = {
+                .start  = AT91SAM9RL_ID_TC2,
+                .end    = AT91SAM9RL_ID_TC2,
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+
+static struct platform_device at91sam9rl_tcb_device = {
+        .name           = "atmel_tcb",
+        .id             = 0,
+        .resource       = tcb_resources,
+        .num_resources  = ARRAY_SIZE(tcb_resources),
+};
+
+static void __init at91_add_device_tc(void)
+{
+        /* this chip has a separate clock and irq for each TC channel */
+        at91_clock_associate("tc0_clk", &at91sam9rl_tcb_device.dev, "t0_clk");
+        at91_clock_associate("tc1_clk", &at91sam9rl_tcb_device.dev, "t1_clk");
+        at91_clock_associate("tc2_clk", &at91sam9rl_tcb_device.dev, "t2_clk");
+        platform_device_register(&at91sam9rl_tcb_device);
+}
+#else
+static void __init at91_add_device_tc(void) { }
+#endif
+
+
+/* --------------------------------------------------------------------
  *  RTC
  * -------------------------------------------------------------------- */
 
@@ -930,6 +979,7 @@ static int __init at91_add_standard_devices(void)
         at91_add_device_rtc();
         at91_add_device_rtt();
         at91_add_device_watchdog();
+        at91_add_device_tc();
         return 0;
 }