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87173557d2
Remove od parameters from pll clocks and add post dividers clocks instead. Some clock, especially the one which feature several ods, may provide output between those ods. Also, some drivers, such as the hdmi driver, may require a more detailed control of the clock dividers, compared to what CCF would perform automatically. One added benefit of removing ods is that it also greatly reduce the size of the rate parameter tables. In the future, we could possibly take the predivider 'n' out of this driver as well. To do so, we will need to understand the constraints for the PLL to lock and whether or not it depends on the input clock rate. Acked-by: Neil Armstrong <narmstrong@baylibre.com> Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com> Tested-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com> Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
91 lines
3.4 KiB
C
91 lines
3.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (c) 2015 Endless Mobile, Inc.
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* Author: Carlo Caione <carlo@endlessm.com>
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*
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* Copyright (c) 2016 BayLibre, Inc.
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* Michael Turquette <mturquette@baylibre.com>
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*/
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#ifndef __MESON8B_H
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#define __MESON8B_H
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/*
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* Clock controller register offsets
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*
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* Register offsets from the HardKernel[0] data sheet are listed in comment
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* blocks below. Those offsets must be multiplied by 4 before adding them to
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* the base address to get the right value
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*
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* [0] http://dn.odroid.com/S805/Datasheet/S805_Datasheet%20V0.8%2020150126.pdf
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*/
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#define HHI_GCLK_MPEG0 0x140 /* 0x50 offset in data sheet */
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#define HHI_GCLK_MPEG1 0x144 /* 0x51 offset in data sheet */
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#define HHI_GCLK_MPEG2 0x148 /* 0x52 offset in data sheet */
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#define HHI_GCLK_OTHER 0x150 /* 0x54 offset in data sheet */
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#define HHI_GCLK_AO 0x154 /* 0x55 offset in data sheet */
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#define HHI_SYS_CPU_CLK_CNTL1 0x15c /* 0x57 offset in data sheet */
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#define HHI_MPEG_CLK_CNTL 0x174 /* 0x5d offset in data sheet */
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#define HHI_VID_CLK_CNTL 0x17c /* 0x5f offset in data sheet */
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#define HHI_VID_DIVIDER_CNTL 0x198 /* 0x66 offset in data sheet */
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#define HHI_SYS_CPU_CLK_CNTL0 0x19c /* 0x67 offset in data sheet */
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#define HHI_NAND_CLK_CNTL 0x25c /* 0x97 offset in data sheet */
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#define HHI_MPLL_CNTL 0x280 /* 0xa0 offset in data sheet */
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#define HHI_SYS_PLL_CNTL 0x300 /* 0xc0 offset in data sheet */
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#define HHI_VID_PLL_CNTL 0x320 /* 0xc8 offset in data sheet */
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/*
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* MPLL register offeset taken from the S905 datasheet. Vendor kernel source
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* confirm these are the same for the S805.
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*/
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#define HHI_MPLL_CNTL 0x280 /* 0xa0 offset in data sheet */
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#define HHI_MPLL_CNTL2 0x284 /* 0xa1 offset in data sheet */
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#define HHI_MPLL_CNTL3 0x288 /* 0xa2 offset in data sheet */
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#define HHI_MPLL_CNTL4 0x28C /* 0xa3 offset in data sheet */
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#define HHI_MPLL_CNTL5 0x290 /* 0xa4 offset in data sheet */
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#define HHI_MPLL_CNTL6 0x294 /* 0xa5 offset in data sheet */
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#define HHI_MPLL_CNTL7 0x298 /* 0xa6 offset in data sheet */
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#define HHI_MPLL_CNTL8 0x29C /* 0xa7 offset in data sheet */
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#define HHI_MPLL_CNTL9 0x2A0 /* 0xa8 offset in data sheet */
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#define HHI_MPLL_CNTL10 0x2A4 /* 0xa9 offset in data sheet */
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/*
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* CLKID index values
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*
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* These indices are entirely contrived and do not map onto the hardware.
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* It has now been decided to expose everything by default in the DT header:
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* include/dt-bindings/clock/gxbb-clkc.h. Only the clocks ids we don't want
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* to expose, such as the internal muxes and dividers of composite clocks,
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* will remain defined here.
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*/
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#define CLKID_MPLL0_DIV 96
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#define CLKID_MPLL1_DIV 97
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#define CLKID_MPLL2_DIV 98
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#define CLKID_CPU_IN_SEL 99
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#define CLKID_CPU_DIV2 100
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#define CLKID_CPU_DIV3 101
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#define CLKID_CPU_SCALE_DIV 102
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#define CLKID_CPU_SCALE_OUT_SEL 103
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#define CLKID_MPLL_PREDIV 104
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#define CLKID_FCLK_DIV2_DIV 105
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#define CLKID_FCLK_DIV3_DIV 106
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#define CLKID_FCLK_DIV4_DIV 107
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#define CLKID_FCLK_DIV5_DIV 108
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#define CLKID_FCLK_DIV7_DIV 109
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#define CLKID_NAND_SEL 110
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#define CLKID_NAND_DIV 111
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#define CLKID_PLL_FIXED_DCO 113
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#define CLKID_PLL_VID_DCO 114
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#define CLKID_PLL_SYS_DCO 115
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#define CLK_NR_CLKS 116
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/*
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* include the CLKID and RESETID that have
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* been made part of the stable DT binding
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*/
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#include <dt-bindings/clock/meson8b-clkc.h>
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#include <dt-bindings/reset/amlogic,meson8b-clkc-reset.h>
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#endif /* __MESON8B_H */
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