From 4fd8a19e28f73495837cca7ad1329069d373e98a Mon Sep 17 00:00:00 2001 From: Vaibhav Hiremath Date: Tue, 18 Jun 2013 10:37:59 +0530 Subject: [PATCH] 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(-) diff --git a/arch/arm/mach-omap2/cclock33xx_data.c b/arch/arm/mach-omap2/cclock33xx_data.c index af3544ce4f02..6fd0ed14bca4 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, @@ -862,6 +858,42 @@ 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 */ @@ -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), };