From patchwork Fri Aug 31 15:07:03 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tero Kristo X-Patchwork-Id: 10584035 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 6C367175A for ; Fri, 31 Aug 2018 15:08:04 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 5C57B2A4F7 for ; Fri, 31 Aug 2018 15:08:04 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 505F32B4BC; Fri, 31 Aug 2018 15:08:04 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.0 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 8B0F62B4BB for ; Fri, 31 Aug 2018 15:08:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727848AbeHaTP5 (ORCPT ); Fri, 31 Aug 2018 15:15:57 -0400 Received: from fllv0015.ext.ti.com ([198.47.19.141]:48824 "EHLO fllv0015.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727793AbeHaTP5 (ORCPT ); Fri, 31 Aug 2018 15:15:57 -0400 Received: from dflxv15.itg.ti.com ([128.247.5.124]) by fllv0015.ext.ti.com (8.15.2/8.15.2) with ESMTP id w7VF7wj4040327; Fri, 31 Aug 2018 10:07:58 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1535728078; bh=BOtyxTlPXe/pvq0iUJLJfNX1eZMgk6bjQmI86w/L4tQ=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=HYX/aRxgDnsj1Kv+AVbuLucuWtbrWRM9tNESFguJyYXKzqsFJtMoU8I82aYdVy1Y9 dCz83dQ3An2jxuunO59a47SYpoluH+1cK69rExgQlCBzDqNx9tw8fL7oYhsPQF1UUC 8SqSOaGOIm4ik8OH8UIyhpny2Vh00V3dcmVtIjxw= Received: from DFLE109.ent.ti.com (dfle109.ent.ti.com [10.64.6.30]) by dflxv15.itg.ti.com (8.14.3/8.13.8) with ESMTP id w7VF7w7p021900; Fri, 31 Aug 2018 10:07:58 -0500 Received: from DFLE104.ent.ti.com (10.64.6.25) by DFLE109.ent.ti.com (10.64.6.30) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1466.3; Fri, 31 Aug 2018 10:07:58 -0500 Received: from dflp33.itg.ti.com (10.64.6.16) by DFLE104.ent.ti.com (10.64.6.25) with Microsoft SMTP Server (version=TLS1_0, cipher=TLS_RSA_WITH_AES_256_CBC_SHA) id 15.1.1466.3 via Frontend Transport; Fri, 31 Aug 2018 10:07:58 -0500 Received: from gomoku.home (ileax41-snat.itg.ti.com [10.172.224.153]) by dflp33.itg.ti.com (8.14.3/8.13.8) with ESMTP id w7VF7fBl010737; Fri, 31 Aug 2018 10:07:56 -0500 From: Tero Kristo To: , , CC: , Subject: [PATCH 07/11] clk: ti: am33xx: add new clkctrl data for am33xx Date: Fri, 31 Aug 2018 18:07:03 +0300 Message-ID: <1535728027-24573-8-git-send-email-t-kristo@ti.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1535728027-24573-1-git-send-email-t-kristo@ti.com> References: <1535728027-24573-1-git-send-email-t-kristo@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Sender: linux-omap-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The new clkctrl data layout for am33xx is split based on clockdomain boundaries. Previously the split was based on CM boundaries. This patch adds the new data as separate data entity, retaining the compatibility data also for now. The compatibility data can be removed once no longer needed. Signed-off-by: Tero Kristo --- drivers/clk/ti/clk-33xx.c | 244 +++++++++++++++++++++++++++++++++++++++++++++- drivers/clk/ti/clkctrl.c | 8 +- drivers/clk/ti/clock.h | 1 + 3 files changed, 250 insertions(+), 3 deletions(-) diff --git a/drivers/clk/ti/clk-33xx.c b/drivers/clk/ti/clk-33xx.c index b43c003..a360d31 100644 --- a/drivers/clk/ti/clk-33xx.c +++ b/drivers/clk/ti/clk-33xx.c @@ -23,6 +23,245 @@ #include "clock.h" +static const char * const am3_gpio1_dbclk_parents[] __initconst = { + "clk-24mhz-clkctrl:0000:0", + NULL, +}; + +static const struct omap_clkctrl_bit_data am3_gpio2_bit_data[] __initconst = { + { 18, TI_CLK_GATE, am3_gpio1_dbclk_parents, NULL }, + { 0 }, +}; + +static const struct omap_clkctrl_bit_data am3_gpio3_bit_data[] __initconst = { + { 18, TI_CLK_GATE, am3_gpio1_dbclk_parents, NULL }, + { 0 }, +}; + +static const struct omap_clkctrl_bit_data am3_gpio4_bit_data[] __initconst = { + { 18, TI_CLK_GATE, am3_gpio1_dbclk_parents, NULL }, + { 0 }, +}; + +static const struct omap_clkctrl_reg_data am3_l4ls_clkctrl_regs[] __initconst = { + { AM3_L4LS_UART6_CLKCTRL, NULL, CLKF_SW_SUP, "dpll_per_m2_div4_ck" }, + { AM3_L4LS_MMC1_CLKCTRL, NULL, CLKF_SW_SUP, "mmc_clk" }, + { AM3_L4LS_ELM_CLKCTRL, NULL, CLKF_SW_SUP, "l4ls_gclk" }, + { AM3_L4LS_I2C3_CLKCTRL, NULL, CLKF_SW_SUP, "dpll_per_m2_div4_ck" }, + { AM3_L4LS_I2C2_CLKCTRL, NULL, CLKF_SW_SUP, "dpll_per_m2_div4_ck" }, + { AM3_L4LS_SPI0_CLKCTRL, NULL, CLKF_SW_SUP, "dpll_per_m2_div4_ck" }, + { AM3_L4LS_SPI1_CLKCTRL, NULL, CLKF_SW_SUP, "dpll_per_m2_div4_ck" }, + { AM3_L4LS_L4_LS_CLKCTRL, NULL, CLKF_SW_SUP, "l4ls_gclk" }, + { AM3_L4LS_UART2_CLKCTRL, NULL, CLKF_SW_SUP, "dpll_per_m2_div4_ck" }, + { AM3_L4LS_UART3_CLKCTRL, NULL, CLKF_SW_SUP, "dpll_per_m2_div4_ck" }, + { AM3_L4LS_UART4_CLKCTRL, NULL, CLKF_SW_SUP, "dpll_per_m2_div4_ck" }, + { AM3_L4LS_UART5_CLKCTRL, NULL, CLKF_SW_SUP, "dpll_per_m2_div4_ck" }, + { AM3_L4LS_TIMER7_CLKCTRL, NULL, CLKF_SW_SUP, "timer7_fck" }, + { AM3_L4LS_TIMER2_CLKCTRL, NULL, CLKF_SW_SUP, "timer2_fck" }, + { AM3_L4LS_TIMER3_CLKCTRL, NULL, CLKF_SW_SUP, "timer3_fck" }, + { AM3_L4LS_TIMER4_CLKCTRL, NULL, CLKF_SW_SUP, "timer4_fck" }, + { AM3_L4LS_RNG_CLKCTRL, NULL, CLKF_SW_SUP, "rng_fck" }, + { AM3_L4LS_GPIO2_CLKCTRL, am3_gpio2_bit_data, CLKF_SW_SUP, "l4ls_gclk" }, + { AM3_L4LS_GPIO3_CLKCTRL, am3_gpio3_bit_data, CLKF_SW_SUP, "l4ls_gclk" }, + { AM3_L4LS_GPIO4_CLKCTRL, am3_gpio4_bit_data, CLKF_SW_SUP, "l4ls_gclk" }, + { AM3_L4LS_D_CAN0_CLKCTRL, NULL, CLKF_SW_SUP, "dcan0_fck" }, + { AM3_L4LS_D_CAN1_CLKCTRL, NULL, CLKF_SW_SUP, "dcan1_fck" }, + { AM3_L4LS_EPWMSS1_CLKCTRL, NULL, CLKF_SW_SUP, "l4ls_gclk" }, + { AM3_L4LS_EPWMSS0_CLKCTRL, NULL, CLKF_SW_SUP, "l4ls_gclk" }, + { AM3_L4LS_EPWMSS2_CLKCTRL, NULL, CLKF_SW_SUP, "l4ls_gclk" }, + { AM3_L4LS_TIMER5_CLKCTRL, NULL, CLKF_SW_SUP, "timer5_fck" }, + { AM3_L4LS_TIMER6_CLKCTRL, NULL, CLKF_SW_SUP, "timer6_fck" }, + { AM3_L4LS_MMC2_CLKCTRL, NULL, CLKF_SW_SUP, "mmc_clk" }, + { AM3_L4LS_SPINLOCK_CLKCTRL, NULL, CLKF_SW_SUP, "l4ls_gclk" }, + { AM3_L4LS_MAILBOX_CLKCTRL, NULL, CLKF_SW_SUP, "l4ls_gclk" }, + { AM3_L4LS_OCPWP_CLKCTRL, NULL, CLKF_SW_SUP, "l4ls_gclk" }, + { 0 }, +}; + +static const struct omap_clkctrl_reg_data am3_l3s_clkctrl_regs[] __initconst = { + { AM3_L3S_USB_OTG_HS_CLKCTRL, NULL, CLKF_SW_SUP, "usbotg_fck" }, + { AM3_L3S_GPMC_CLKCTRL, NULL, CLKF_SW_SUP, "l3s_gclk" }, + { AM3_L3S_MCASP0_CLKCTRL, NULL, CLKF_SW_SUP, "mcasp0_fck" }, + { AM3_L3S_MCASP1_CLKCTRL, NULL, CLKF_SW_SUP, "mcasp1_fck" }, + { AM3_L3S_MMC3_CLKCTRL, NULL, CLKF_SW_SUP, "mmc_clk" }, + { 0 }, +}; + +static const struct omap_clkctrl_reg_data am3_l3_clkctrl_regs[] __initconst = { + { AM3_L3_TPTC0_CLKCTRL, NULL, CLKF_SW_SUP, "l3_gclk" }, + { AM3_L3_EMIF_CLKCTRL, NULL, CLKF_SW_SUP, "dpll_ddr_m2_div2_ck" }, + { AM3_L3_OCMCRAM_CLKCTRL, NULL, CLKF_SW_SUP, "l3_gclk" }, + { AM3_L3_AES_CLKCTRL, NULL, CLKF_SW_SUP, "aes0_fck" }, + { AM3_L3_SHAM_CLKCTRL, NULL, CLKF_SW_SUP, "l3_gclk" }, + { AM3_L3_TPCC_CLKCTRL, NULL, CLKF_SW_SUP, "l3_gclk" }, + { AM3_L3_L3_INSTR_CLKCTRL, NULL, CLKF_SW_SUP, "l3_gclk" }, + { AM3_L3_L3_MAIN_CLKCTRL, NULL, CLKF_SW_SUP, "l3_gclk" }, + { AM3_L3_TPTC1_CLKCTRL, NULL, CLKF_SW_SUP, "l3_gclk" }, + { AM3_L3_TPTC2_CLKCTRL, NULL, CLKF_SW_SUP, "l3_gclk" }, + { 0 }, +}; + +static const struct omap_clkctrl_reg_data am3_l4hs_clkctrl_regs[] __initconst = { + { AM3_L4HS_L4_HS_CLKCTRL, NULL, CLKF_SW_SUP, "l4hs_gclk" }, + { 0 }, +}; + +static const struct omap_clkctrl_reg_data am3_pruss_ocp_clkctrl_regs[] __initconst = { + { AM3_PRUSS_OCP_PRUSS_CLKCTRL, NULL, CLKF_SW_SUP, "pruss_ocp_gclk" }, + { 0 }, +}; + +static const struct omap_clkctrl_reg_data am3_cpsw_125mhz_clkctrl_regs[] __initconst = { + { AM3_CPSW_125MHZ_CPGMAC0_CLKCTRL, NULL, CLKF_SW_SUP, "cpsw_125mhz_gclk" }, + { 0 }, +}; + +static const struct omap_clkctrl_reg_data am3_lcdc_clkctrl_regs[] __initconst = { + { AM3_LCDC_LCDC_CLKCTRL, NULL, CLKF_SW_SUP | CLKF_SET_RATE_PARENT, "lcd_gclk" }, + { 0 }, +}; + +static const struct omap_clkctrl_reg_data am3_clk_24mhz_clkctrl_regs[] __initconst = { + { AM3_CLK_24MHZ_CLKDIV32K_CLKCTRL, NULL, CLKF_SW_SUP, "clkdiv32k_ck" }, + { 0 }, +}; + +static const char * const am3_gpio0_dbclk_parents[] __initconst = { + "gpio0_dbclk_mux_ck", + NULL, +}; + +static const struct omap_clkctrl_bit_data am3_gpio1_bit_data[] __initconst = { + { 18, TI_CLK_GATE, am3_gpio0_dbclk_parents, NULL }, + { 0 }, +}; + +static const struct omap_clkctrl_reg_data am3_l4_wkup_clkctrl_regs[] __initconst = { + { AM3_L4_WKUP_CONTROL_CLKCTRL, NULL, CLKF_SW_SUP, "dpll_core_m4_div2_ck" }, + { AM3_L4_WKUP_GPIO1_CLKCTRL, am3_gpio1_bit_data, CLKF_SW_SUP, "dpll_core_m4_div2_ck" }, + { AM3_L4_WKUP_L4_WKUP_CLKCTRL, NULL, CLKF_SW_SUP, "dpll_core_m4_div2_ck" }, + { AM3_L4_WKUP_UART1_CLKCTRL, NULL, CLKF_SW_SUP, "dpll_per_m2_div4_wkupdm_ck" }, + { AM3_L4_WKUP_I2C1_CLKCTRL, NULL, CLKF_SW_SUP, "dpll_per_m2_div4_wkupdm_ck" }, + { AM3_L4_WKUP_ADC_TSC_CLKCTRL, NULL, CLKF_SW_SUP, "adc_tsc_fck" }, + { AM3_L4_WKUP_SMARTREFLEX0_CLKCTRL, NULL, CLKF_SW_SUP, "smartreflex0_fck" }, + { AM3_L4_WKUP_TIMER1_CLKCTRL, NULL, CLKF_SW_SUP, "timer1_fck" }, + { AM3_L4_WKUP_SMARTREFLEX1_CLKCTRL, NULL, CLKF_SW_SUP, "smartreflex1_fck" }, + { AM3_L4_WKUP_WD_TIMER2_CLKCTRL, NULL, CLKF_SW_SUP, "wdt1_fck" }, + { 0 }, +}; + +static const char * const am3_dbg_sysclk_ck_parents[] __initconst = { + "sys_clkin_ck", + NULL, +}; + +static const char * const am3_trace_pmd_clk_mux_ck_parents[] __initconst = { + "l3-aon-clkctrl:0000:19", + "l3-aon-clkctrl:0000:30", + NULL, +}; + +static const char * const am3_trace_clk_div_ck_parents[] __initconst = { + "l3-aon-clkctrl:0000:20", + NULL, +}; + +static const struct omap_clkctrl_div_data am3_trace_clk_div_ck_data __initconst = { + .max_div = 64, + .flags = CLK_DIVIDER_POWER_OF_TWO, +}; + +static const char * const am3_stm_clk_div_ck_parents[] __initconst = { + "l3-aon-clkctrl:0000:22", + NULL, +}; + +static const struct omap_clkctrl_div_data am3_stm_clk_div_ck_data __initconst = { + .max_div = 64, + .flags = CLK_DIVIDER_POWER_OF_TWO, +}; + +static const char * const am3_dbg_clka_ck_parents[] __initconst = { + "dpll_core_m4_ck", + NULL, +}; + +static const struct omap_clkctrl_bit_data am3_debugss_bit_data[] __initconst = { + { 19, TI_CLK_GATE, am3_dbg_sysclk_ck_parents, NULL }, + { 20, TI_CLK_MUX, am3_trace_pmd_clk_mux_ck_parents, NULL }, + { 22, TI_CLK_MUX, am3_trace_pmd_clk_mux_ck_parents, NULL }, + { 24, TI_CLK_DIVIDER, am3_trace_clk_div_ck_parents, &am3_trace_clk_div_ck_data }, + { 27, TI_CLK_DIVIDER, am3_stm_clk_div_ck_parents, &am3_stm_clk_div_ck_data }, + { 30, TI_CLK_GATE, am3_dbg_clka_ck_parents, NULL }, + { 0 }, +}; + +static const struct omap_clkctrl_reg_data am3_l3_aon_clkctrl_regs[] __initconst = { + { AM3_L3_AON_DEBUGSS_CLKCTRL, am3_debugss_bit_data, CLKF_SW_SUP, "l3-aon-clkctrl:0000:24" }, + { 0 }, +}; + +static const struct omap_clkctrl_reg_data am3_l4_wkup_aon_clkctrl_regs[] __initconst = { + { AM3_L4_WKUP_AON_WKUP_M3_CLKCTRL, NULL, CLKF_NO_IDLEST, "dpll_core_m4_div2_ck" }, + { 0 }, +}; + +static const struct omap_clkctrl_reg_data am3_mpu_clkctrl_regs[] __initconst = { + { AM3_MPU_MPU_CLKCTRL, NULL, CLKF_SW_SUP, "dpll_mpu_m2_ck" }, + { 0 }, +}; + +static const struct omap_clkctrl_reg_data am3_l4_rtc_clkctrl_regs[] __initconst = { + { AM3_L4_RTC_RTC_CLKCTRL, NULL, CLKF_SW_SUP, "clk_32768_ck" }, + { 0 }, +}; + +static const struct omap_clkctrl_reg_data am3_gfx_l3_clkctrl_regs[] __initconst = { + { AM3_GFX_L3_GFX_CLKCTRL, NULL, CLKF_SW_SUP, "gfx_fck_div_ck" }, + { 0 }, +}; + +static const struct omap_clkctrl_reg_data am3_l4_cefuse_clkctrl_regs[] __initconst = { + { AM3_L4_CEFUSE_CEFUSE_CLKCTRL, NULL, CLKF_SW_SUP, "sys_clkin_ck" }, + { 0 }, +}; + +const struct omap_clkctrl_data am3_clkctrl_data[] __initconst = { + { 0x44e00038, am3_l4ls_clkctrl_regs }, + { 0x44e0001c, am3_l3s_clkctrl_regs }, + { 0x44e00024, am3_l3_clkctrl_regs }, + { 0x44e00120, am3_l4hs_clkctrl_regs }, + { 0x44e000e8, am3_pruss_ocp_clkctrl_regs }, + { 0x44e00000, am3_cpsw_125mhz_clkctrl_regs }, + { 0x44e00018, am3_lcdc_clkctrl_regs }, + { 0x44e0014c, am3_clk_24mhz_clkctrl_regs }, + { 0x44e00400, am3_l4_wkup_clkctrl_regs }, + { 0x44e00414, am3_l3_aon_clkctrl_regs }, + { 0x44e004b0, am3_l4_wkup_aon_clkctrl_regs }, + { 0x44e00600, am3_mpu_clkctrl_regs }, + { 0x44e00800, am3_l4_rtc_clkctrl_regs }, + { 0x44e00900, am3_gfx_l3_clkctrl_regs }, + { 0x44e00a00, am3_l4_cefuse_clkctrl_regs }, + { 0 }, +}; + +static struct ti_dt_clk am33xx_clks[] = { + DT_CLK(NULL, "timer_32k_ck", "clk-24mhz-clkctrl:0000:0"), + DT_CLK(NULL, "timer_sys_ck", "sys_clkin_ck"), + DT_CLK(NULL, "clkdiv32k_ick", "clk-24mhz-clkctrl:0000:0"), + DT_CLK(NULL, "dbg_clka_ck", "l3-aon-clkctrl:0000:30"), + DT_CLK(NULL, "dbg_sysclk_ck", "l3-aon-clkctrl:0000:19"), + DT_CLK(NULL, "gpio0_dbclk", "l4-wkup-clkctrl:0008:18"), + DT_CLK(NULL, "gpio1_dbclk", "l4ls-clkctrl:0074:18"), + DT_CLK(NULL, "gpio2_dbclk", "l4ls-clkctrl:0078:18"), + DT_CLK(NULL, "gpio3_dbclk", "l4ls-clkctrl:007c:18"), + DT_CLK(NULL, "stm_clk_div_ck", "l3-aon-clkctrl:0000:27"), + DT_CLK(NULL, "stm_pmd_clock_mux_ck", "l3-aon-clkctrl:0000:22"), + DT_CLK(NULL, "trace_clk_div_ck", "l3-aon-clkctrl:0000:24"), + DT_CLK(NULL, "trace_pmd_clk_mux_ck", "l3-aon-clkctrl:0000:20"), + { .node_name = NULL }, +}; + static const char *enable_init_clks[] = { "dpll_ddr_m2_ck", "dpll_mpu_m2_ck", @@ -38,7 +277,10 @@ int __init am33xx_dt_clk_init(void) { struct clk *clk1, *clk2; - ti_dt_clocks_register(am33xx_compat_clks); + if (ti_clk_get_features()->flags & TI_CLK_CLKCTRL_COMPAT) + ti_dt_clocks_register(am33xx_compat_clks); + else + ti_dt_clocks_register(am33xx_clks); omap2_clk_disable_autoidle_all(); diff --git a/drivers/clk/ti/clkctrl.c b/drivers/clk/ti/clkctrl.c index 00199fe..89906b6 100644 --- a/drivers/clk/ti/clkctrl.c +++ b/drivers/clk/ti/clkctrl.c @@ -467,8 +467,12 @@ static void __init _ti_omap4_clkctrl_setup(struct device_node *node) data = dra7_clkctrl_data; #endif #ifdef CONFIG_SOC_AM33XX - if (of_machine_is_compatible("ti,am33xx")) - data = am3_clkctrl_compat_data; + if (of_machine_is_compatible("ti,am33xx")) { + if (ti_clk_get_features()->flags & TI_CLK_CLKCTRL_COMPAT) + data = am3_clkctrl_compat_data; + else + data = am3_clkctrl_data; + } #endif #ifdef CONFIG_SOC_AM43XX if (of_machine_is_compatible("ti,am4372")) diff --git a/drivers/clk/ti/clock.h b/drivers/clk/ti/clock.h index b614f76..c4c6c78 100644 --- a/drivers/clk/ti/clock.h +++ b/drivers/clk/ti/clock.h @@ -184,6 +184,7 @@ struct omap_clkctrl_data { extern const struct omap_clkctrl_data omap4_clkctrl_data[]; extern const struct omap_clkctrl_data omap5_clkctrl_data[]; extern const struct omap_clkctrl_data dra7_clkctrl_data[]; +extern const struct omap_clkctrl_data am3_clkctrl_data[]; extern const struct omap_clkctrl_data am3_clkctrl_compat_data[]; extern struct ti_dt_clk am33xx_compat_clks[]; extern const struct omap_clkctrl_data am4_clkctrl_data[];