From: Benoit Cousson <b-cousson@xxxxxx> Add watchdog timer hwmod data for OMAP4 chip Signed-off-by: Benoit Cousson <b-cousson@xxxxxx> Signed-off-by: Charulatha V <charu@xxxxxx> --- This patch is extracted from the below patch sent by Benoit https://patchwork.kernel.org/patch/117347/ arch/arm/mach-omap2/omap_hwmod_44xx_data.c | 135 ++++++++++++++++++++++++++++ 1 files changed, 135 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 e20b0ee..8660fea 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 +602,11 @@ static __initdata struct omap_hwmod *omap44xx_hwmods[] = { /* mpu class */ &omap44xx_mpu_hwmod, + /* wd_timer class */ + &omap44xx_wd_timer2_hwmod, + + /* wd_timer3 not yet supported */ +/* &omap44xx_wd_timer3_hwmod, */ NULL, }; -- 1.7.0.4 -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
