From 4fd8a19e28f73495837cca7ad1329069d373e98a Mon Sep 17 00:00:00 2001 From: Vaibhav Hiremath Date: Tue, 18 Jun 2013 10:37:59 +0530 Subject: ARM: AM33XX: clock: Add debugSS clock nodes Represent debugSS clock interface as provided in CM_WKUP_DEBUGSS_CLKCTRL register, includes - Clock gate for optional DEBUG_CLKA and DBGSYSCLK - Clock Mux for TRC_PMD and STM_PMD - Clock divider for STM and TPIU Signed-off-by: Vaibhav Hiremath Acked-by: Paul Walmsley Cc: Tony Lindgren Signed-off-by: Benoit Cousson --- arch/arm/mach-omap2/cclock33xx_data.c | 47 +++++++++++++++++++++++++++++++---- 1 file changed, 42 insertions(+), 5 deletions(-) (limited to 'arch/arm/mach-omap2') diff --git a/arch/arm/mach-omap2/cclock33xx_data.c b/arch/arm/mach-omap2/cclock33xx_data.c index af3544c..6fd0ed1 100644 --- a/arch/arm/mach-omap2/cclock33xx_data.c +++ b/arch/arm/mach-omap2/cclock33xx_data.c @@ -431,15 +431,11 @@ DEFINE_STRUCT_CLK(aes0_fck, dpll_core_ck_parents, clk_ops_null); * - Driver code is not yet migrated to use hwmod/runtime pm * - Modules outside kernel access (to disable them by default) * - * - debugss * - mmu (gfx domain) * - cefuse * - usbotg_fck (its additional clock and not really a modulemode) * - ieee5000 */ -DEFINE_CLK_GATE(debugss_ick, "dpll_core_m4_ck", &dpll_core_m4_ck, 0x0, - AM33XX_CM_WKUP_DEBUGSS_CLKCTRL, AM33XX_MODULEMODE_SWCTRL_SHIFT, - 0x0, NULL); DEFINE_CLK_GATE(mmu_fck, "dpll_core_m4_ck", &dpll_core_m4_ck, 0x0, AM33XX_CM_GFX_MMUDATA_CLKCTRL, AM33XX_MODULEMODE_SWCTRL_SHIFT, @@ -863,6 +859,42 @@ static struct clk_hw_omap wdt1_fck_hw = { DEFINE_STRUCT_CLK(wdt1_fck, wdt_ck_parents, gpio_fck_ops); /* + * debugss optional clocks + */ +DEFINE_CLK_GATE(dbg_sysclk_ck, "sys_clkin_ck", &sys_clkin_ck, + 0x0, AM33XX_CM_WKUP_DEBUGSS_CLKCTRL, + AM33XX_OPTFCLKEN_DBGSYSCLK_SHIFT, 0x0, NULL); + +DEFINE_CLK_GATE(dbg_clka_ck, "dpll_core_m4_ck", &dpll_core_m4_ck, + 0x0, AM33XX_CM_WKUP_DEBUGSS_CLKCTRL, + AM33XX_OPTCLK_DEBUG_CLKA_SHIFT, 0x0, NULL); + +static const char *stm_pmd_clock_mux_ck_parents[] = { + "dbg_sysclk_ck", "dbg_clka_ck", +}; + +DEFINE_CLK_MUX(stm_pmd_clock_mux_ck, stm_pmd_clock_mux_ck_parents, NULL, 0x0, + AM33XX_CM_WKUP_DEBUGSS_CLKCTRL, AM33XX_STM_PMD_CLKSEL_SHIFT, + AM33XX_STM_PMD_CLKSEL_WIDTH, 0x0, NULL); + +DEFINE_CLK_MUX(trace_pmd_clk_mux_ck, stm_pmd_clock_mux_ck_parents, NULL, 0x0, + AM33XX_CM_WKUP_DEBUGSS_CLKCTRL, + AM33XX_TRC_PMD_CLKSEL_SHIFT, + AM33XX_TRC_PMD_CLKSEL_WIDTH, 0x0, NULL); + +DEFINE_CLK_DIVIDER(stm_clk_div_ck, "stm_pmd_clock_mux_ck", + &stm_pmd_clock_mux_ck, 0x0, AM33XX_CM_WKUP_DEBUGSS_CLKCTRL, + AM33XX_STM_PMD_CLKDIVSEL_SHIFT, + AM33XX_STM_PMD_CLKDIVSEL_WIDTH, CLK_DIVIDER_POWER_OF_TWO, + NULL); + +DEFINE_CLK_DIVIDER(trace_clk_div_ck, "trace_pmd_clk_mux_ck", + &trace_pmd_clk_mux_ck, 0x0, AM33XX_CM_WKUP_DEBUGSS_CLKCTRL, + AM33XX_TRC_PMD_CLKDIVSEL_SHIFT, + AM33XX_TRC_PMD_CLKDIVSEL_WIDTH, CLK_DIVIDER_POWER_OF_TWO, + NULL); + +/* * clkdev */ static struct omap_clk am33xx_clks[] = { @@ -899,7 +931,6 @@ static struct omap_clk am33xx_clks[] = { CLK("481cc000.d_can", NULL, &dcan0_fck), CLK(NULL, "dcan1_fck", &dcan1_fck), CLK("481d0000.d_can", NULL, &dcan1_fck), - CLK(NULL, "debugss_ick", &debugss_ick), CLK(NULL, "pruss_ocp_gclk", &pruss_ocp_gclk), CLK(NULL, "mcasp0_fck", &mcasp0_fck), CLK(NULL, "mcasp1_fck", &mcasp1_fck), @@ -942,6 +973,12 @@ static struct omap_clk am33xx_clks[] = { CLK(NULL, "clkout2_div_ck", &clkout2_div_ck), CLK(NULL, "timer_32k_ck", &clkdiv32k_ick), CLK(NULL, "timer_sys_ck", &sys_clkin_ck), + CLK(NULL, "dbg_sysclk_ck", &dbg_sysclk_ck), + CLK(NULL, "dbg_clka_ck", &dbg_clka_ck), + CLK(NULL, "stm_pmd_clock_mux_ck", &stm_pmd_clock_mux_ck), + CLK(NULL, "trace_pmd_clk_mux_ck", &trace_pmd_clk_mux_ck), + CLK(NULL, "stm_clk_div_ck", &stm_clk_div_ck), + CLK(NULL, "trace_clk_div_ck", &trace_clk_div_ck), }; -- cgit v1.1 From 75fbbca2b11ce7c8ee728a8c5d0e58b477eccf4f Mon Sep 17 00:00:00 2001 From: Vaibhav Hiremath Date: Mon, 20 May 2013 18:58:09 +0530 Subject: ARM: AM33XX: clock data: Enable clkout2 as part of init clkout2 comes out on the pad and is being used by various external on-board peripherals like, Audio codecs and stuff. So enable the clkout2 by default during init sequence itself. Also, add the missing entry of "clkout2_ck" to the clock table. Signed-off-by: Vaibhav Hiremath Acked-by: Paul Walmsley Signed-off-by: Benoit Cousson --- arch/arm/mach-omap2/cclock33xx_data.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'arch/arm/mach-omap2') diff --git a/arch/arm/mach-omap2/cclock33xx_data.c b/arch/arm/mach-omap2/cclock33xx_data.c index 6fd0ed1..a8140b6 100644 --- a/arch/arm/mach-omap2/cclock33xx_data.c +++ b/arch/arm/mach-omap2/cclock33xx_data.c @@ -979,6 +979,7 @@ static struct omap_clk am33xx_clks[] = { CLK(NULL, "trace_pmd_clk_mux_ck", &trace_pmd_clk_mux_ck), CLK(NULL, "stm_clk_div_ck", &stm_clk_div_ck), CLK(NULL, "trace_clk_div_ck", &trace_clk_div_ck), + CLK(NULL, "clkout2_ck", &clkout2_ck), }; @@ -989,6 +990,7 @@ static const char *enable_init_clks[] = { "l4hs_gclk", "l4fw_gclk", "l4ls_gclk", + "clkout2_ck", /* Required for external peripherals like, Audio codecs */ }; int __init am33xx_clk_init(void) -- cgit v1.1