OMAP4: hwmod data: Add watchdog timer

Add watchdog timer hwmod data for OMAP4 chip

Note: wd_timer3 in enabled in the hwmod list but it is
not yet supported by the watchdog driver.

Signed-off-by: Benoit Cousson <b-cousson@ti.com>
Signed-off-by: Charulatha V <charu@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>

1 files changed, 133 insertions, 0 deletions

diff --git a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
index e20b0eebc6d..9523b4c9537 100644
--- a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
@@ -452,6 +452,136 @@ static struct omap_hwmod omap44xx_mpu_hwmod = {
         .omap_chip      = OMAP_CHIP_INIT(CHIP_IS_OMAP4430),
 };
 
+/*
+ * 'wd_timer' class
+ * 32-bit watchdog upward counter that generates a pulse on the reset pin on
+ * overflow condition
+ */
+
+static struct omap_hwmod_class_sysconfig omap44xx_wd_timer_sysc = {
+        .rev_offs       = 0x0000,
+        .sysc_offs      = 0x0010,
+        .syss_offs      = 0x0014,
+        .sysc_flags     = (SYSC_HAS_SIDLEMODE | SYSC_HAS_EMUFREE |
+                           SYSC_HAS_SOFTRESET),
+        .idlemodes      = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART),
+        .sysc_fields    = &omap_hwmod_sysc_type1,
+};
+
+static struct omap_hwmod_class omap44xx_wd_timer_hwmod_class = {
+        .name = "wd_timer",
+        .sysc = &omap44xx_wd_timer_sysc,
+};
+
+/* wd_timer2 */
+static struct omap_hwmod omap44xx_wd_timer2_hwmod;
+static struct omap_hwmod_irq_info omap44xx_wd_timer2_irqs[] = {
+        { .irq = 80 + OMAP44XX_IRQ_GIC_START },
+};
+
+static struct omap_hwmod_addr_space omap44xx_wd_timer2_addrs[] = {
+        {
+                .pa_start       = 0x4a314000,
+                .pa_end         = 0x4a31407f,
+                .flags          = ADDR_TYPE_RT
+        },
+};
+
+/* l4_wkup -> wd_timer2 */
+static struct omap_hwmod_ocp_if omap44xx_l4_wkup__wd_timer2 = {
+        .master         = &omap44xx_l4_wkup_hwmod,
+        .slave          = &omap44xx_wd_timer2_hwmod,
+        .clk            = "l4_wkup_clk_mux_ck",
+        .addr           = omap44xx_wd_timer2_addrs,
+        .addr_cnt       = ARRAY_SIZE(omap44xx_wd_timer2_addrs),
+        .user           = OCP_USER_MPU | OCP_USER_SDMA,
+};
+
+/* wd_timer2 slave ports */
+static struct omap_hwmod_ocp_if *omap44xx_wd_timer2_slaves[] = {
+        &omap44xx_l4_wkup__wd_timer2,
+};
+
+static struct omap_hwmod omap44xx_wd_timer2_hwmod = {
+        .name           = "wd_timer2",
+        .class          = &omap44xx_wd_timer_hwmod_class,
+        .mpu_irqs       = omap44xx_wd_timer2_irqs,
+        .mpu_irqs_cnt   = ARRAY_SIZE(omap44xx_wd_timer2_irqs),
+        .main_clk       = "wd_timer2_fck",
+        .prcm = {
+                .omap4 = {
+                        .clkctrl_reg = OMAP4430_CM_WKUP_WDT2_CLKCTRL,
+                },
+        },
+        .slaves         = omap44xx_wd_timer2_slaves,
+        .slaves_cnt     = ARRAY_SIZE(omap44xx_wd_timer2_slaves),
+        .omap_chip      = OMAP_CHIP_INIT(CHIP_IS_OMAP4430),
+};
+
+/* wd_timer3 */
+static struct omap_hwmod omap44xx_wd_timer3_hwmod;
+static struct omap_hwmod_irq_info omap44xx_wd_timer3_irqs[] = {
+        { .irq = 36 + OMAP44XX_IRQ_GIC_START },
+};
+
+static struct omap_hwmod_addr_space omap44xx_wd_timer3_addrs[] = {
+        {
+                .pa_start       = 0x40130000,
+                .pa_end         = 0x4013007f,
+                .flags          = ADDR_TYPE_RT
+        },
+};
+
+/* l4_abe -> wd_timer3 */
+static struct omap_hwmod_ocp_if omap44xx_l4_abe__wd_timer3 = {
+        .master         = &omap44xx_l4_abe_hwmod,
+        .slave          = &omap44xx_wd_timer3_hwmod,
+        .clk            = "ocp_abe_iclk",
+        .addr           = omap44xx_wd_timer3_addrs,
+        .addr_cnt       = ARRAY_SIZE(omap44xx_wd_timer3_addrs),
+        .user           = OCP_USER_MPU,
+};
+
+/* l4_abe -> wd_timer3 (dma) */
+static struct omap_hwmod_addr_space omap44xx_wd_timer3_dma_addrs[] = {
+        {
+                .pa_start       = 0x49030000,
+                .pa_end         = 0x4903007f,
+                .flags          = ADDR_TYPE_RT
+        },
+};
+
+static struct omap_hwmod_ocp_if omap44xx_l4_abe__wd_timer3_dma = {
+        .master         = &omap44xx_l4_abe_hwmod,
+        .slave          = &omap44xx_wd_timer3_hwmod,
+        .clk            = "ocp_abe_iclk",
+        .addr           = omap44xx_wd_timer3_dma_addrs,
+        .addr_cnt       = ARRAY_SIZE(omap44xx_wd_timer3_dma_addrs),
+        .user           = OCP_USER_SDMA,
+};
+
+/* wd_timer3 slave ports */
+static struct omap_hwmod_ocp_if *omap44xx_wd_timer3_slaves[] = {
+        &omap44xx_l4_abe__wd_timer3,
+        &omap44xx_l4_abe__wd_timer3_dma,
+};
+
+static struct omap_hwmod omap44xx_wd_timer3_hwmod = {
+        .name           = "wd_timer3",
+        .class          = &omap44xx_wd_timer_hwmod_class,
+        .mpu_irqs       = omap44xx_wd_timer3_irqs,
+        .mpu_irqs_cnt   = ARRAY_SIZE(omap44xx_wd_timer3_irqs),
+        .main_clk       = "wd_timer3_fck",
+        .prcm = {
+                .omap4 = {
+                        .clkctrl_reg = OMAP4430_CM1_ABE_WDT3_CLKCTRL,
+                },
+        },
+        .slaves         = omap44xx_wd_timer3_slaves,
+        .slaves_cnt     = ARRAY_SIZE(omap44xx_wd_timer3_slaves),
+        .omap_chip      = OMAP_CHIP_INIT(CHIP_IS_OMAP4430),
+};
+
 static __initdata struct omap_hwmod *omap44xx_hwmods[] = {
         /* dmm class */
         &omap44xx_dmm_hwmod,
@@ -472,6 +602,9 @@ static __initdata struct omap_hwmod *omap44xx_hwmods[] = {
 
         /* mpu class */
         &omap44xx_mpu_hwmod,
+        /* wd_timer class */
+        &omap44xx_wd_timer2_hwmod,
+        &omap44xx_wd_timer3_hwmod,
         NULL,
 };