From patchwork Sun Feb 28 15:36:58 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Martin Sperl X-Patchwork-Id: 8447371 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id E4F039F314 for ; Sun, 28 Feb 2016 15:45:52 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id EE9E12034A for ; Sun, 28 Feb 2016 15:45:50 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 1084520340 for ; Sun, 28 Feb 2016 15:45:49 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1aa3Vu-0002lx-57; Sun, 28 Feb 2016 15:44:06 +0000 Received: from 212-186-180-163.dynamic.surfer.at ([212.186.180.163] helo=cgate.sperl.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1aa3QA-0005Pu-S9; Sun, 28 Feb 2016 15:38:14 +0000 Received: from raspcm.intern.sperl.org (account martin@sperl.org [10.10.10.41] verified) by sperl.org (CommuniGate Pro SMTP 6.1.2) with ESMTPSA id 6394905; Sun, 28 Feb 2016 15:37:20 +0000 From: kernel@martin.sperl.org To: Michael Turquette , Stephen Boyd , Stephen Warren , Lee Jones , Eric Anholt , linux-clk@vger.kernel.org, linux-rpi-kernel@lists.infradead.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH v5 07/20] clk: bcm2835: reorganize bcm2835_clock_array assignment Date: Sun, 28 Feb 2016 15:36:58 +0000 Message-Id: <1456673831-2408-8-git-send-email-kernel@martin.sperl.org> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1456673831-2408-1-git-send-email-kernel@martin.sperl.org> References: <1456673831-2408-1-git-send-email-kernel@martin.sperl.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20160228_073811_309719_4CC3E7A6 X-CRM114-Status: GOOD ( 13.67 ) X-Spam-Score: -0.9 (/) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Martin Sperl MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Martin Sperl Reorganize bcm2835_clock_array so that there is no more need for separate bcm2835_*_data structures to be defined. Instead the required structures are generated inline via helper macros. To allow this to also work for pll alone it was required that the parent_pll was changed from a pointer to bcm2835_pll_data to the name of the pll instead. Signed-off-by: Martin Sperl --- drivers/clk/bcm/clk-bcm2835.c | 849 +++++++++++++++++++---------------------- 1 file changed, 392 insertions(+), 457 deletions(-) diff --git a/drivers/clk/bcm/clk-bcm2835.c b/drivers/clk/bcm/clk-bcm2835.c index 59219f9..144d5d5 100644 --- a/drivers/clk/bcm/clk-bcm2835.c +++ b/drivers/clk/bcm/clk-bcm2835.c @@ -378,115 +378,10 @@ static const struct bcm2835_pll_ana_bits bcm2835_ana_pllh = { .fb_prediv_mask = BIT(11), }; -/* - * PLLA is the auxiliary PLL, used to drive the CCP2 (Compact Camera - * Port 2) transmitter clock. - * - * It is in the PX LDO power domain, which is on when the AUDIO domain - * is on. - */ -static const struct bcm2835_pll_data bcm2835_plla_data = { - .name = "plla", - .cm_ctrl_reg = CM_PLLA, - .a2w_ctrl_reg = A2W_PLLA_CTRL, - .frac_reg = A2W_PLLA_FRAC, - .ana_reg_base = A2W_PLLA_ANA0, - .reference_enable_mask = A2W_XOSC_CTRL_PLLA_ENABLE, - .lock_mask = CM_LOCK_FLOCKA, - - .ana = &bcm2835_ana_default, - - .min_rate = 600000000u, - .max_rate = 2400000000u, - .max_fb_rate = BCM2835_MAX_FB_RATE, -}; - -/* PLLB is used for the ARM's clock. */ -static const struct bcm2835_pll_data bcm2835_pllb_data = { - .name = "pllb", - .cm_ctrl_reg = CM_PLLB, - .a2w_ctrl_reg = A2W_PLLB_CTRL, - .frac_reg = A2W_PLLB_FRAC, - .ana_reg_base = A2W_PLLB_ANA0, - .reference_enable_mask = A2W_XOSC_CTRL_PLLB_ENABLE, - .lock_mask = CM_LOCK_FLOCKB, - - .ana = &bcm2835_ana_default, - - .min_rate = 600000000u, - .max_rate = 3000000000u, - .max_fb_rate = BCM2835_MAX_FB_RATE, -}; - -/* - * PLLC is the core PLL, used to drive the core VPU clock. - * - * It is in the PX LDO power domain, which is on when the AUDIO domain - * is on. -*/ -static const struct bcm2835_pll_data bcm2835_pllc_data = { - .name = "pllc", - .cm_ctrl_reg = CM_PLLC, - .a2w_ctrl_reg = A2W_PLLC_CTRL, - .frac_reg = A2W_PLLC_FRAC, - .ana_reg_base = A2W_PLLC_ANA0, - .reference_enable_mask = A2W_XOSC_CTRL_PLLC_ENABLE, - .lock_mask = CM_LOCK_FLOCKC, - - .ana = &bcm2835_ana_default, - - .min_rate = 600000000u, - .max_rate = 3000000000u, - .max_fb_rate = BCM2835_MAX_FB_RATE, -}; - -/* - * PLLD is the display PLL, used to drive DSI display panels. - * - * It is in the PX LDO power domain, which is on when the AUDIO domain - * is on. - */ -static const struct bcm2835_pll_data bcm2835_plld_data = { - .name = "plld", - .cm_ctrl_reg = CM_PLLD, - .a2w_ctrl_reg = A2W_PLLD_CTRL, - .frac_reg = A2W_PLLD_FRAC, - .ana_reg_base = A2W_PLLD_ANA0, - .reference_enable_mask = A2W_XOSC_CTRL_DDR_ENABLE, - .lock_mask = CM_LOCK_FLOCKD, - - .ana = &bcm2835_ana_default, - - .min_rate = 600000000u, - .max_rate = 2400000000u, - .max_fb_rate = BCM2835_MAX_FB_RATE, -}; - -/* - * PLLH is used to supply the pixel clock or the AUX clock for the TV - * encoder. - * - * It is in the HDMI power domain. - */ -static const struct bcm2835_pll_data bcm2835_pllh_data = { - "pllh", - .cm_ctrl_reg = CM_PLLH, - .a2w_ctrl_reg = A2W_PLLH_CTRL, - .frac_reg = A2W_PLLH_FRAC, - .ana_reg_base = A2W_PLLH_ANA0, - .reference_enable_mask = A2W_XOSC_CTRL_PLLC_ENABLE, - .lock_mask = CM_LOCK_FLOCKH, - - .ana = &bcm2835_ana_pllh, - - .min_rate = 600000000u, - .max_rate = 3000000000u, - .max_fb_rate = BCM2835_MAX_FB_RATE, -}; - struct bcm2835_pll_divider_data { const char *name; - const struct bcm2835_pll_data *source_pll; + const char *source_pll; + u32 cm_reg; u32 a2w_reg; @@ -495,123 +390,6 @@ struct bcm2835_pll_divider_data { u32 fixed_divider; }; -static const struct bcm2835_pll_divider_data bcm2835_plla_core_data = { - .name = "plla_core", - .source_pll = &bcm2835_plla_data, - .cm_reg = CM_PLLA, - .a2w_reg = A2W_PLLA_CORE, - .load_mask = CM_PLLA_LOADCORE, - .hold_mask = CM_PLLA_HOLDCORE, - .fixed_divider = 1, -}; - -static const struct bcm2835_pll_divider_data bcm2835_plla_per_data = { - .name = "plla_per", - .source_pll = &bcm2835_plla_data, - .cm_reg = CM_PLLA, - .a2w_reg = A2W_PLLA_PER, - .load_mask = CM_PLLA_LOADPER, - .hold_mask = CM_PLLA_HOLDPER, - .fixed_divider = 1, -}; - -static const struct bcm2835_pll_divider_data bcm2835_pllb_arm_data = { - .name = "pllb_arm", - .source_pll = &bcm2835_pllb_data, - .cm_reg = CM_PLLB, - .a2w_reg = A2W_PLLB_ARM, - .load_mask = CM_PLLB_LOADARM, - .hold_mask = CM_PLLB_HOLDARM, - .fixed_divider = 1, -}; - -static const struct bcm2835_pll_divider_data bcm2835_pllc_core0_data = { - .name = "pllc_core0", - .source_pll = &bcm2835_pllc_data, - .cm_reg = CM_PLLC, - .a2w_reg = A2W_PLLC_CORE0, - .load_mask = CM_PLLC_LOADCORE0, - .hold_mask = CM_PLLC_HOLDCORE0, - .fixed_divider = 1, -}; - -static const struct bcm2835_pll_divider_data bcm2835_pllc_core1_data = { - .name = "pllc_core1", .source_pll = &bcm2835_pllc_data, - .cm_reg = CM_PLLC, A2W_PLLC_CORE1, - .load_mask = CM_PLLC_LOADCORE1, - .hold_mask = CM_PLLC_HOLDCORE1, - .fixed_divider = 1, -}; - -static const struct bcm2835_pll_divider_data bcm2835_pllc_core2_data = { - .name = "pllc_core2", - .source_pll = &bcm2835_pllc_data, - .cm_reg = CM_PLLC, - .a2w_reg = A2W_PLLC_CORE2, - .load_mask = CM_PLLC_LOADCORE2, - .hold_mask = CM_PLLC_HOLDCORE2, - .fixed_divider = 1, -}; - -static const struct bcm2835_pll_divider_data bcm2835_pllc_per_data = { - .name = "pllc_per", - .source_pll = &bcm2835_pllc_data, - .cm_reg = CM_PLLC, - .a2w_reg = A2W_PLLC_PER, - .load_mask = CM_PLLC_LOADPER, - .hold_mask = CM_PLLC_HOLDPER, - .fixed_divider = 1, -}; - -static const struct bcm2835_pll_divider_data bcm2835_plld_core_data = { - .name = "plld_core", - .source_pll = &bcm2835_plld_data, - .cm_reg = CM_PLLD, - .a2w_reg = A2W_PLLD_CORE, - .load_mask = CM_PLLD_LOADCORE, - .hold_mask = CM_PLLD_HOLDCORE, - .fixed_divider = 1, -}; - -static const struct bcm2835_pll_divider_data bcm2835_plld_per_data = { - .name = "plld_per", - .source_pll = &bcm2835_plld_data, - .cm_reg = CM_PLLD, - .a2w_reg = A2W_PLLD_PER, - .load_mask = CM_PLLD_LOADPER, - .hold_mask = CM_PLLD_HOLDPER, - .fixed_divider = 1, -}; - -static const struct bcm2835_pll_divider_data bcm2835_pllh_rcal_data = { - .name = "pllh_rcal", - .source_pll = &bcm2835_pllh_data, - .cm_reg = CM_PLLH, - .a2w_reg = A2W_PLLH_RCAL, - .load_mask = CM_PLLH_LOADRCAL, - .hold_mask = 0, - .fixed_divider = 10, -}; - -static const struct bcm2835_pll_divider_data bcm2835_pllh_aux_data = { - .name = "pllh_aux", - .source_pll = &bcm2835_pllh_data, - .cm_reg = CM_PLLH, - .a2w_reg = A2W_PLLH_AUX, - .load_mask = CM_PLLH_LOADAUX, - .hold_mask = 0, - .fixed_divider = 10, -}; - -static const struct bcm2835_pll_divider_data bcm2835_pllh_pix_data = { - .name = "pllh_pix", - .source_pll = &bcm2835_pllh_data, - .cm_reg = CM_PLLH, - .a2w_reg = A2W_PLLH_PIX, - .load_mask = CM_PLLH_LOADPIX, - .hold_mask = 0, - .fixed_divider = 10, -}; struct bcm2835_clock_data { const char *name; @@ -630,187 +408,6 @@ struct bcm2835_clock_data { bool is_vpu_clock; }; -static const char *const bcm2835_clock_per_parents[] = { - "gnd", - "xosc", - "testdebug0", - "testdebug1", - "plla_per", - "pllc_per", - "plld_per", - "pllh_aux", -}; - -static const char *const bcm2835_clock_vpu_parents[] = { - "gnd", - "xosc", - "testdebug0", - "testdebug1", - "plla_core", - "pllc_core0", - "plld_core", - "pllh_aux", - "pllc_core1", - "pllc_core2", -}; - -static const char *const bcm2835_clock_osc_parents[] = { - "gnd", - "xosc", - "testdebug0", - "testdebug1" -}; - -/* - * Used for a 1Mhz clock for the system clocksource, and also used by - * the watchdog timer and the camera pulse generator. - */ -static const struct bcm2835_clock_data bcm2835_clock_timer_data = { - .name = "timer", - .num_mux_parents = ARRAY_SIZE(bcm2835_clock_osc_parents), - .parents = bcm2835_clock_osc_parents, - .ctl_reg = CM_TIMERCTL, - .div_reg = CM_TIMERDIV, - .int_bits = 6, - .frac_bits = 12, -}; - -/* One Time Programmable Memory clock. Maximum 10Mhz. */ -static const struct bcm2835_clock_data bcm2835_clock_otp_data = { - .name = "otp", - .num_mux_parents = ARRAY_SIZE(bcm2835_clock_osc_parents), - .parents = bcm2835_clock_osc_parents, - .ctl_reg = CM_OTPCTL, - .div_reg = CM_OTPDIV, - .int_bits = 4, - .frac_bits = 0, -}; - -/* - * VPU clock. This doesn't have an enable bit, since it drives the - * bus for everything else, and is special so it doesn't need to be - * gated for rate changes. It is also known as "clk_audio" in various - * hardware documentation. - */ -static const struct bcm2835_clock_data bcm2835_clock_vpu_data = { - .name = "vpu", - .num_mux_parents = ARRAY_SIZE(bcm2835_clock_vpu_parents), - .parents = bcm2835_clock_vpu_parents, - .ctl_reg = CM_VPUCTL, - .div_reg = CM_VPUDIV, - .int_bits = 12, - .frac_bits = 8, - .is_vpu_clock = true, -}; - -static const struct bcm2835_clock_data bcm2835_clock_v3d_data = { - .name = "v3d", - .num_mux_parents = ARRAY_SIZE(bcm2835_clock_vpu_parents), - .parents = bcm2835_clock_vpu_parents, - .ctl_reg = CM_V3DCTL, - .div_reg = CM_V3DDIV, - .int_bits = 4, - .frac_bits = 8, -}; - -static const struct bcm2835_clock_data bcm2835_clock_isp_data = { - .name = "isp", - .num_mux_parents = ARRAY_SIZE(bcm2835_clock_vpu_parents), - .parents = bcm2835_clock_vpu_parents, - .ctl_reg = CM_ISPCTL, - .div_reg = CM_ISPDIV, - .int_bits = 4, - .frac_bits = 8, -}; - -static const struct bcm2835_clock_data bcm2835_clock_h264_data = { - .name = "h264", - .num_mux_parents = ARRAY_SIZE(bcm2835_clock_vpu_parents), - .parents = bcm2835_clock_vpu_parents, - .ctl_reg = CM_H264CTL, - .div_reg = CM_H264DIV, - .int_bits = 4, - .frac_bits = 8, -}; - -/* TV encoder clock. Only operating frequency is 108Mhz. */ -static const struct bcm2835_clock_data bcm2835_clock_vec_data = { - .name = "vec", - .num_mux_parents = ARRAY_SIZE(bcm2835_clock_per_parents), - .parents = bcm2835_clock_per_parents, - .ctl_reg = CM_VECCTL, - .div_reg = CM_VECDIV, - .int_bits = 4, - .frac_bits = 0, -}; - -static const struct bcm2835_clock_data bcm2835_clock_uart_data = { - .name = "uart", - .num_mux_parents = ARRAY_SIZE(bcm2835_clock_per_parents), - .parents = bcm2835_clock_per_parents, - .ctl_reg = CM_UARTCTL, - .div_reg = CM_UARTDIV, - .int_bits = 10, - .frac_bits = 12, -}; - -/* HDMI state machine */ -static const struct bcm2835_clock_data bcm2835_clock_hsm_data = { - .name = "hsm", - .num_mux_parents = ARRAY_SIZE(bcm2835_clock_per_parents), - .parents = bcm2835_clock_per_parents, - .ctl_reg = CM_HSMCTL, - .div_reg = CM_HSMDIV, - .int_bits = 4, - .frac_bits = 8, -}; - -/* - * Secondary SDRAM clock. Used for low-voltage modes when the PLL in - * the SDRAM controller can't be used. - */ -static const struct bcm2835_clock_data bcm2835_clock_sdram_data = { - .name = "sdram", - .num_mux_parents = ARRAY_SIZE(bcm2835_clock_vpu_parents), - .parents = bcm2835_clock_vpu_parents, - .ctl_reg = CM_SDCCTL, - .div_reg = CM_SDCDIV, - .int_bits = 6, - .frac_bits = 0, -}; - -/* Clock for the temperature sensor. Generally run at 2Mhz, max 5Mhz. */ -static const struct bcm2835_clock_data bcm2835_clock_tsens_data = { - .name = "tsens", - .num_mux_parents = ARRAY_SIZE(bcm2835_clock_osc_parents), - .parents = bcm2835_clock_osc_parents, - .ctl_reg = CM_TSENSCTL, - .div_reg = CM_TSENSDIV, - .int_bits = 5, - .frac_bits = 0, -}; - -/* Arasan EMMC clock */ -static const struct bcm2835_clock_data bcm2835_clock_emmc_data = { - .name = "emmc", - .num_mux_parents = ARRAY_SIZE(bcm2835_clock_per_parents), - .parents = bcm2835_clock_per_parents, - .ctl_reg = CM_EMMCCTL, - .div_reg = CM_EMMCDIV, - .int_bits = 4, - .frac_bits = 8, -}; - -static const struct bcm2835_clock_data bcm2835_clock_pwm_data = { - .name = "pwm", - .num_mux_parents = ARRAY_SIZE(bcm2835_clock_per_parents), - .parents = bcm2835_clock_per_parents, - .ctl_reg = CM_PWMCTL, - .div_reg = CM_PWMDIV, - .int_bits = 12, - .frac_bits = 12, -}; - struct bcm2835_gate_data { const char *name; const char *parent; @@ -818,18 +415,6 @@ struct bcm2835_gate_data { u32 ctl_reg; }; -/* - * CM_PERIICTL (and CM_PERIACTL, CM_SYSCTL and CM_VPUCTL if - * you have the debug bit set in the power manager, which we - * don't bother exposing) are individual gates off of the - * non-stop vpu clock. - */ -static const struct bcm2835_gate_data bcm2835_clock_peri_image_data = { - .name = "peri_image", - .parent = "vpu", - .ctl_reg = CM_PERIICTL, -}; - struct bcm2835_pll { struct clk_hw hw; struct bcm2835_cprman *cprman; @@ -1430,7 +1015,7 @@ bcm2835_register_pll_divider(struct bcm2835_cprman *cprman, memset(&init, 0, sizeof(init)); - init.parent_names = &data->source_pll->name; + init.parent_names = &data->source_pll; init.num_parents = 1; init.name = divider_name; init.ops = &bcm2835_pll_divider_clk_ops; @@ -1541,50 +1126,400 @@ struct bcm2835_clk_desc { const void *data; }; -#define _REGISTER(f, d) { .clk_register = (bcm2835_clk_register)f, \ - .data = d } -#define REGISTER_PLL(d) _REGISTER(&bcm2835_register_pll, d) -#define REGISTER_PLL_DIV(d) _REGISTER(&bcm2835_register_pll_divider, d) -#define REGISTER_CLK(d) _REGISTER(&bcm2835_register_clock, d) -#define REGISTER_GATE(d) _REGISTER(&bcm2835_register_gate, d) +/* assignment helper macros for different clock types */ +#define _REGISTER(f, ...) { .clk_register = (bcm2835_clk_register)f, \ + .data = __VA_ARGS__ } +#define REGISTER_PLL(...) _REGISTER(&bcm2835_register_pll, \ + &(struct bcm2835_pll_data) \ + {__VA_ARGS__}) +#define REGISTER_PLL_DIV(...) _REGISTER(&bcm2835_register_pll_divider, \ + &(struct bcm2835_pll_divider_data) \ + {__VA_ARGS__}) +#define REGISTER_CLK(...) _REGISTER(&bcm2835_register_clock, \ + &(struct bcm2835_clock_data) \ + {__VA_ARGS__}) +#define REGISTER_GATE(...) _REGISTER(&bcm2835_register_gate, \ + &(struct bcm2835_gate_data) \ + {__VA_ARGS__}) + +/* parent mux arrays plus helper macros */ + +/* main oscillator parent mux */ +static const char *const bcm2835_clock_osc_parents[] = { + "gnd", + "xosc", + "testdebug0", + "testdebug1" +}; + +#define REGISTER_OSC_CLK(...) REGISTER_CLK( \ + .num_mux_parents = ARRAY_SIZE(bcm2835_clock_osc_parents), \ + .parents = bcm2835_clock_osc_parents, \ + __VA_ARGS__) + +/* main peripherial parent mux */ +static const char *const bcm2835_clock_per_parents[] = { + "gnd", + "xosc", + "testdebug0", + "testdebug1", + "plla_per", + "pllc_per", + "plld_per", + "pllh_aux", +}; + +#define REGISTER_PER_CLK(...) REGISTER_CLK( \ + .num_mux_parents = ARRAY_SIZE(bcm2835_clock_per_parents), \ + .parents = bcm2835_clock_per_parents, \ + __VA_ARGS__) +/* main vpu parent mux */ +static const char *const bcm2835_clock_vpu_parents[] = { + "gnd", + "xosc", + "testdebug0", + "testdebug1", + "plla_core", + "pllc_core0", + "plld_core", + "pllh_aux", + "pllc_core1", + "pllc_core2", +}; + +#define REGISTER_VPU_CLK(...) REGISTER_CLK( \ + .num_mux_parents = ARRAY_SIZE(bcm2835_clock_vpu_parents), \ + .parents = bcm2835_clock_vpu_parents, \ + __VA_ARGS__) + +/* + * the real definition of all the pll, pll_dividers and clocks + * these make use of the above REGISTER_* macros + */ static const struct bcm2835_clk_desc clk_desc_array[] = { - /* register PLL */ - [BCM2835_PLLA] = REGISTER_PLL(&bcm2835_plla_data), - [BCM2835_PLLB] = REGISTER_PLL(&bcm2835_pllb_data), - [BCM2835_PLLC] = REGISTER_PLL(&bcm2835_pllc_data), - [BCM2835_PLLD] = REGISTER_PLL(&bcm2835_plld_data), - [BCM2835_PLLH] = REGISTER_PLL(&bcm2835_pllh_data), - /* the PLL dividers */ - [BCM2835_PLLA_CORE] = REGISTER_PLL_DIV(&bcm2835_plla_core_data), - [BCM2835_PLLA_PER] = REGISTER_PLL_DIV(&bcm2835_plla_per_data), - [BCM2835_PLLC_CORE0] = REGISTER_PLL_DIV(&bcm2835_pllc_core0_data), - [BCM2835_PLLC_CORE1] = REGISTER_PLL_DIV(&bcm2835_pllc_core1_data), - [BCM2835_PLLC_CORE2] = REGISTER_PLL_DIV(&bcm2835_pllc_core2_data), - [BCM2835_PLLC_PER] = REGISTER_PLL_DIV(&bcm2835_pllc_per_data), - [BCM2835_PLLD_CORE] = REGISTER_PLL_DIV(&bcm2835_plld_core_data), - [BCM2835_PLLD_PER] = REGISTER_PLL_DIV(&bcm2835_plld_per_data), - [BCM2835_PLLH_RCAL] = REGISTER_PLL_DIV(&bcm2835_pllh_rcal_data), - [BCM2835_PLLH_AUX] = REGISTER_PLL_DIV(&bcm2835_pllh_aux_data), - [BCM2835_PLLH_PIX] = REGISTER_PLL_DIV(&bcm2835_pllh_pix_data), + /* the PLL + PLL dividers */ + + /* + * PLLA is the auxiliary PLL, used to drive the CCP2 + * (Compact Camera Port 2) transmitter clock. + * + * It is in the PX LDO power domain, which is on when the + * AUDIO domain is on. + */ + [BCM2835_PLLA] = REGISTER_PLL( + .name = "plla", + .cm_ctrl_reg = CM_PLLA, + .a2w_ctrl_reg = A2W_PLLA_CTRL, + .frac_reg = A2W_PLLA_FRAC, + .ana_reg_base = A2W_PLLA_ANA0, + .reference_enable_mask = A2W_XOSC_CTRL_PLLA_ENABLE, + .lock_mask = CM_LOCK_FLOCKA, + + .ana = &bcm2835_ana_default, + + .min_rate = 600000000u, + .max_rate = 2400000000u, + .max_fb_rate = BCM2835_MAX_FB_RATE), + [BCM2835_PLLA_CORE] = REGISTER_PLL_DIV( + .name = "plla_core", + .source_pll = "plla", + .cm_reg = CM_PLLA, + .a2w_reg = A2W_PLLA_CORE, + .load_mask = CM_PLLA_LOADCORE, + .hold_mask = CM_PLLA_HOLDCORE, + .fixed_divider = 1), + [BCM2835_PLLA_PER] = REGISTER_PLL_DIV( + .name = "plla_per", + .source_pll = "plla", + .cm_reg = CM_PLLA, + .a2w_reg = A2W_PLLA_PER, + .load_mask = CM_PLLA_LOADPER, + .hold_mask = CM_PLLA_HOLDPER, + .fixed_divider = 1), + + /* PLLB is used for the ARM's clock. */ + [BCM2835_PLLB] = REGISTER_PLL( + .name = "pllb", + .cm_ctrl_reg = CM_PLLB, + .a2w_ctrl_reg = A2W_PLLB_CTRL, + .frac_reg = A2W_PLLB_FRAC, + .ana_reg_base = A2W_PLLB_ANA0, + .reference_enable_mask = A2W_XOSC_CTRL_PLLB_ENABLE, + .lock_mask = CM_LOCK_FLOCKB, + + .ana = &bcm2835_ana_default, + + .min_rate = 600000000u, + .max_rate = 3000000000u, + .max_fb_rate = BCM2835_MAX_FB_RATE), + [BCM2835_PLLB_ARM] = REGISTER_PLL_DIV( + .name = "pllb_arm", + .source_pll = "pllb", + .cm_reg = CM_PLLB, + .a2w_reg = A2W_PLLB_ARM, + .load_mask = CM_PLLB_LOADARM, + .hold_mask = CM_PLLB_HOLDARM, + .fixed_divider = 1), + + /* + * PLLC is the core PLL, used to drive the core VPU clock. + * + * It is in the PX LDO power domain, which is on when the + * AUDIO domain is on. + */ + [BCM2835_PLLC] = REGISTER_PLL( + .name = "pllc", + .cm_ctrl_reg = CM_PLLC, + .a2w_ctrl_reg = A2W_PLLC_CTRL, + .frac_reg = A2W_PLLC_FRAC, + .ana_reg_base = A2W_PLLC_ANA0, + .reference_enable_mask = A2W_XOSC_CTRL_PLLC_ENABLE, + .lock_mask = CM_LOCK_FLOCKC, + + .ana = &bcm2835_ana_default, + + .min_rate = 600000000u, + .max_rate = 3000000000u, + .max_fb_rate = BCM2835_MAX_FB_RATE), + [BCM2835_PLLC_CORE0] = REGISTER_PLL_DIV( + .name = "pllc_core0", + .source_pll = "pllc", + .cm_reg = CM_PLLC, + .a2w_reg = A2W_PLLC_CORE0, + .load_mask = CM_PLLC_LOADCORE0, + .hold_mask = CM_PLLC_HOLDCORE0, + .fixed_divider = 1), + [BCM2835_PLLC_CORE1] = REGISTER_PLL_DIV( + .name = "pllc_core1", + .source_pll = "pllc", + .cm_reg = CM_PLLC, + .a2w_reg = A2W_PLLC_CORE1, + .load_mask = CM_PLLC_LOADCORE1, + .hold_mask = CM_PLLC_HOLDCORE1, + .fixed_divider = 1), + [BCM2835_PLLC_CORE2] = REGISTER_PLL_DIV( + .name = "pllc_core2", + .source_pll = "pllc", + .cm_reg = CM_PLLC, + .a2w_reg = A2W_PLLC_CORE2, + .load_mask = CM_PLLC_LOADCORE2, + .hold_mask = CM_PLLC_HOLDCORE2, + .fixed_divider = 1), + [BCM2835_PLLC_PER] = REGISTER_PLL_DIV( + .name = "pllc_per", + .source_pll = "pllc", + .cm_reg = CM_PLLC, + .a2w_reg = A2W_PLLC_PER, + .load_mask = CM_PLLC_LOADPER, + .hold_mask = CM_PLLC_HOLDPER, + .fixed_divider = 1), + + /* + * PLLD is the display PLL, used to drive DSI display panels. + * + * It is in the PX LDO power domain, which is on when the + * AUDIO domain is on. + */ + [BCM2835_PLLD] = REGISTER_PLL( + .name = "plld", + .cm_ctrl_reg = CM_PLLD, + .a2w_ctrl_reg = A2W_PLLD_CTRL, + .frac_reg = A2W_PLLD_FRAC, + .ana_reg_base = A2W_PLLD_ANA0, + .reference_enable_mask = A2W_XOSC_CTRL_DDR_ENABLE, + .lock_mask = CM_LOCK_FLOCKD, + + .ana = &bcm2835_ana_default, + + .min_rate = 600000000u, + .max_rate = 2400000000u, + .max_fb_rate = BCM2835_MAX_FB_RATE), + [BCM2835_PLLD_CORE] = REGISTER_PLL_DIV( + .name = "plld_core", + .source_pll = "plld", + .cm_reg = CM_PLLD, + .a2w_reg = A2W_PLLD_CORE, + .load_mask = CM_PLLD_LOADCORE, + .hold_mask = CM_PLLD_HOLDCORE, + .fixed_divider = 1), + [BCM2835_PLLD_PER] = REGISTER_PLL_DIV( + .name = "plld_per", + .source_pll = "plld", + .cm_reg = CM_PLLD, + .a2w_reg = A2W_PLLD_PER, + .load_mask = CM_PLLD_LOADPER, + .hold_mask = CM_PLLD_HOLDPER, + .fixed_divider = 1), + + /* + * PLLH is used to supply the pixel clock or the AUX clock for the + * TV encoder. + * + * It is in the HDMI power domain. + */ + [BCM2835_PLLH] = REGISTER_PLL( + "pllh", + .cm_ctrl_reg = CM_PLLH, + .a2w_ctrl_reg = A2W_PLLH_CTRL, + .frac_reg = A2W_PLLH_FRAC, + .ana_reg_base = A2W_PLLH_ANA0, + .reference_enable_mask = A2W_XOSC_CTRL_PLLC_ENABLE, + .lock_mask = CM_LOCK_FLOCKH, + + .ana = &bcm2835_ana_pllh, + + .min_rate = 600000000u, + .max_rate = 3000000000u, + .max_fb_rate = BCM2835_MAX_FB_RATE), + [BCM2835_PLLH_RCAL] = REGISTER_PLL_DIV( + .name = "pllh_rcal", + .source_pll = "pllh", + .cm_reg = CM_PLLH, + .a2w_reg = A2W_PLLH_RCAL, + .load_mask = CM_PLLH_LOADRCAL, + .hold_mask = 0, + .fixed_divider = 10), + [BCM2835_PLLH_AUX] = REGISTER_PLL_DIV( + .name = "pllh_aux", + .source_pll = "pllh", + .cm_reg = CM_PLLH, + .a2w_reg = A2W_PLLH_AUX, + .load_mask = CM_PLLH_LOADAUX, + .hold_mask = 0, + .fixed_divider = 10), + [BCM2835_PLLH_PIX] = REGISTER_PLL_DIV( + .name = "pllh_pix", + .source_pll = "pllh", + .cm_reg = CM_PLLH, + .a2w_reg = A2W_PLLH_PIX, + .load_mask = CM_PLLH_LOADPIX, + .hold_mask = 0, + .fixed_divider = 10), + /* the clocks */ - [BCM2835_CLOCK_TIMER] = REGISTER_CLK(&bcm2835_clock_timer_data), - [BCM2835_CLOCK_OTP] = REGISTER_CLK(&bcm2835_clock_otp_data), - [BCM2835_CLOCK_TSENS] = REGISTER_CLK(&bcm2835_clock_tsens_data), - [BCM2835_CLOCK_VPU] = REGISTER_CLK(&bcm2835_clock_vpu_data), - [BCM2835_CLOCK_V3D] = REGISTER_CLK(&bcm2835_clock_v3d_data), - [BCM2835_CLOCK_ISP] = REGISTER_CLK(&bcm2835_clock_isp_data), - [BCM2835_CLOCK_H264] = REGISTER_CLK(&bcm2835_clock_h264_data), - [BCM2835_CLOCK_V3D] = REGISTER_CLK(&bcm2835_clock_v3d_data), - [BCM2835_CLOCK_SDRAM] = REGISTER_CLK(&bcm2835_clock_sdram_data), - [BCM2835_CLOCK_UART] = REGISTER_CLK(&bcm2835_clock_uart_data), - [BCM2835_CLOCK_VEC] = REGISTER_CLK(&bcm2835_clock_vec_data), - [BCM2835_CLOCK_HSM] = REGISTER_CLK(&bcm2835_clock_hsm_data), - [BCM2835_CLOCK_EMMC] = REGISTER_CLK(&bcm2835_clock_emmc_data), - [BCM2835_CLOCK_PWM] = REGISTER_CLK(&bcm2835_clock_pwm_data), + + /* clocks with oscillator parent mux */ + + /* One Time Programmable Memory clock. Maximum 10Mhz. */ + [BCM2835_CLOCK_OTP] = REGISTER_OSC_CLK( + .name = "otp", + .ctl_reg = CM_OTPCTL, + .div_reg = CM_OTPDIV, + .int_bits = 4, + .frac_bits = 0), + /* + * Used for a 1Mhz clock for the system clocksource, and also used + * bythe watchdog timer and the camera pulse generator. + */ + [BCM2835_CLOCK_TIMER] = REGISTER_OSC_CLK( + .name = "timer", + .ctl_reg = CM_TIMERCTL, + .div_reg = CM_TIMERDIV, + .int_bits = 6, + .frac_bits = 12), + /* + * Clock for the temperature sensor. + * Generally run at 2Mhz, max 5Mhz. + */ + [BCM2835_CLOCK_TSENS] = REGISTER_OSC_CLK( + .name = "tsens", + .ctl_reg = CM_TSENSCTL, + .div_reg = CM_TSENSDIV, + .int_bits = 5, + .frac_bits = 0), + + /* clocks with vpu parent mux */ + [BCM2835_CLOCK_H264] = REGISTER_VPU_CLK( + .name = "h264", + .ctl_reg = CM_H264CTL, + .div_reg = CM_H264DIV, + .int_bits = 4, + .frac_bits = 8), + [BCM2835_CLOCK_ISP] = REGISTER_VPU_CLK( + .name = "isp", + .ctl_reg = CM_ISPCTL, + .div_reg = CM_ISPDIV, + .int_bits = 4, + .frac_bits = 8), + /* + * Secondary SDRAM clock. Used for low-voltage modes when the PLL + * in the SDRAM controller can't be used. + */ + [BCM2835_CLOCK_SDRAM] = REGISTER_VPU_CLK( + .name = "sdram", + .ctl_reg = CM_SDCCTL, + .div_reg = CM_SDCDIV, + .int_bits = 6, + .frac_bits = 0), + [BCM2835_CLOCK_V3D] = REGISTER_VPU_CLK( + .name = "v3d", + .ctl_reg = CM_V3DCTL, + .div_reg = CM_V3DDIV, + .int_bits = 4, + .frac_bits = 8), + /* + * VPU clock. This doesn't have an enable bit, since it drives + * the bus for everything else, and is special so it doesn't need + * to be gated for rate changes. It is also known as "clk_audio" + * in various hardware documentation. + */ + [BCM2835_CLOCK_VPU] = REGISTER_VPU_CLK( + .name = "vpu", + .ctl_reg = CM_VPUCTL, + .div_reg = CM_VPUDIV, + .int_bits = 12, + .frac_bits = 8, + .is_vpu_clock = true), + + /* clocks with per parent mux */ + + /* Arasan EMMC clock */ + [BCM2835_CLOCK_EMMC] = REGISTER_PER_CLK( + .name = "emmc", + .ctl_reg = CM_EMMCCTL, + .div_reg = CM_EMMCDIV, + .int_bits = 4, + .frac_bits = 8), + /* HDMI state machine */ + [BCM2835_CLOCK_HSM] = REGISTER_PER_CLK( + .name = "hsm", + .ctl_reg = CM_HSMCTL, + .div_reg = CM_HSMDIV, + .int_bits = 4, + .frac_bits = 8), + [BCM2835_CLOCK_PWM] = REGISTER_PER_CLK( + .name = "pwm", + .ctl_reg = CM_PWMCTL, + .div_reg = CM_PWMDIV, + .int_bits = 12, + .frac_bits = 12), + [BCM2835_CLOCK_UART] = REGISTER_PER_CLK( + .name = "uart", + .ctl_reg = CM_UARTCTL, + .div_reg = CM_UARTDIV, + .int_bits = 10, + .frac_bits = 12), + /* TV encoder clock. Only operating frequency is 108Mhz. */ + [BCM2835_CLOCK_VEC] = REGISTER_PER_CLK( + .name = "vec", + .ctl_reg = CM_VECCTL, + .div_reg = CM_VECDIV, + .int_bits = 4, + .frac_bits = 0), + /* the gates */ + + /* + * CM_PERIICTL (and CM_PERIACTL, CM_SYSCTL and CM_VPUCTL if + * you have the debug bit set in the power manager, which we + * don't bother exposing) are individual gates off of the + * non-stop vpu clock. + */ [BCM2835_CLOCK_PERI_IMAGE] = REGISTER_GATE( - &bcm2835_clock_peri_image_data), + .name = "peri_image", + .parent = "vpu", + .ctl_reg = CM_PERIICTL), }; static int bcm2835_clk_probe(struct platform_device *pdev)