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Message-ID: <9923889.3IKZAPC0Rj@jernej-laptop>
Date: Wed, 09 Dec 2020 23:20:46 +0100
From: Jernej Škrabec <jernej.skrabec@...l.net>
To: Clément Péron <peron.clem@...il.com>,
André Przywara <andre.przywara@....com>
Cc: Maxime Ripard <mripard@...nel.org>, Chen-Yu Tsai <wens@...e.org>,
Icenowy Zheng <icenowy@...c.xyz>,
linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
linux-sunxi <linux-sunxi@...glegroups.com>,
Linus Walleij <linus.walleij@...aro.org>,
Rob Herring <robh+dt@...nel.org>,
Yangtao Li <frank@...winnertech.com>,
linux-kernel <linux-kernel@...r.kernel.org>,
Michael Turquette <mturquette@...libre.com>,
Stephen Boyd <sboyd@...nel.org>,
Philipp Zabel <p.zabel@...gutronix.de>,
"open list:COMMON CLK FRAMEWORK" <linux-clk@...r.kernel.org>
Subject: Re: [linux-sunxi] [PATCH 5/8] clk: sunxi-ng: Add support for the Allwinner H616 CCU
Dne sreda, 09. december 2020 ob 22:35:51 CET je André Przywara napisal(a):
> On 09/12/2020 14:33, Clément Péron wrote:
>
> Hi,
>
> > I try to review this, and compare against the vendor Kernel>
> >
> > On Wed, 2 Dec 2020 at 14:54, Andre Przywara <andre.przywara@....com>
wrote:
> >> While the clocks are fairly similar to the H6, many differ in tiny
> >> details, so a separate clock driver seems indicated.
> >>
> >> Derived from the H6 clock driver, and adjusted according to the manual.
> >>
> >> Signed-off-by: Andre Przywara <andre.przywara@....com>
> >> ---
> >>
> >> drivers/clk/sunxi-ng/Kconfig | 7 +-
> >> drivers/clk/sunxi-ng/Makefile | 1 +
> >> drivers/clk/sunxi-ng/ccu-sun50i-h616.c | 1134 +++++++++++++++++++
> >> drivers/clk/sunxi-ng/ccu-sun50i-h616.h | 58 +
> >> include/dt-bindings/clock/sun50i-h616-ccu.h | 110 ++
> >> include/dt-bindings/reset/sun50i-h616-ccu.h | 67 ++
> >> 6 files changed, 1376 insertions(+), 1 deletion(-)
> >> create mode 100644 drivers/clk/sunxi-ng/ccu-sun50i-h616.c
> >> create mode 100644 drivers/clk/sunxi-ng/ccu-sun50i-h616.h
> >> create mode 100644 include/dt-bindings/clock/sun50i-h616-ccu.h
> >> create mode 100644 include/dt-bindings/reset/sun50i-h616-ccu.h
> >>
> >> diff --git a/drivers/clk/sunxi-ng/Kconfig b/drivers/clk/sunxi-ng/Kconfig
> >> index ce5f5847d5d3..cd46d8853876 100644
> >> --- a/drivers/clk/sunxi-ng/Kconfig
> >> +++ b/drivers/clk/sunxi-ng/Kconfig
> >> @@ -32,8 +32,13 @@ config SUN50I_H6_CCU
> >>
> >> default ARM64 && ARCH_SUNXI
> >> depends on (ARM64 && ARCH_SUNXI) || COMPILE_TEST
> >>
> >> +config SUN50I_H616_CCU
> >> + bool "Support for the Allwinner H616 CCU"
> >> + default ARM64 && ARCH_SUNXI
> >> + depends on (ARM64 && ARCH_SUNXI) || COMPILE_TEST
> >> +
> >>
> >> config SUN50I_H6_R_CCU
> >>
> >> - bool "Support for the Allwinner H6 PRCM CCU"
> >> + bool "Support for the Allwinner H6 and H616 PRCM CCU"
> >>
> >> default ARM64 && ARCH_SUNXI
> >> depends on (ARM64 && ARCH_SUNXI) || COMPILE_TEST
> >>
> >> diff --git a/drivers/clk/sunxi-ng/Makefile
> >> b/drivers/clk/sunxi-ng/Makefile
> >> index 3eb5cff40eac..96c324306d97 100644
> >> --- a/drivers/clk/sunxi-ng/Makefile
> >> +++ b/drivers/clk/sunxi-ng/Makefile
> >> @@ -26,6 +26,7 @@ obj-$(CONFIG_SUN50I_A64_CCU) += ccu-sun50i-a64.o
> >>
> >> obj-$(CONFIG_SUN50I_A100_CCU) += ccu-sun50i-a100.o
> >> obj-$(CONFIG_SUN50I_A100_R_CCU) += ccu-sun50i-a100-r.o
> >> obj-$(CONFIG_SUN50I_H6_CCU) += ccu-sun50i-h6.o
> >>
> >> +obj-$(CONFIG_SUN50I_H616_CCU) += ccu-sun50i-h616.o
> >>
> >> obj-$(CONFIG_SUN50I_H6_R_CCU) += ccu-sun50i-h6-r.o
> >> obj-$(CONFIG_SUN4I_A10_CCU) += ccu-sun4i-a10.o
> >> obj-$(CONFIG_SUN5I_CCU) += ccu-sun5i.o
> >>
> >> diff --git a/drivers/clk/sunxi-ng/ccu-sun50i-h616.c
> >> b/drivers/clk/sunxi-ng/ccu-sun50i-h616.c new file mode 100644
> >> index 000000000000..3fbb258f0354
> >> --- /dev/null
> >> +++ b/drivers/clk/sunxi-ng/ccu-sun50i-h616.c
> >> @@ -0,0 +1,1134 @@
> >> +// SPDX-License-Identifier: GPL-2.0
> >> +/*
> >> + * Copyright (c) 2020 Arm Ltd.
> >> + * Based on the H6 CCU driver, which is:
> >> + * Copyright (c) 2017 Icenowy Zheng <icenowy@...c.io>
> >> + */
> >> +
> >> +#include <linux/clk-provider.h>
> >> +#include <linux/io.h>
> >> +#include <linux/of_address.h>
> >> +#include <linux/platform_device.h>
> >> +
> >> +#include "ccu_common.h"
> >> +#include "ccu_reset.h"
> >> +
> >> +#include "ccu_div.h"
> >> +#include "ccu_gate.h"
> >> +#include "ccu_mp.h"
> >> +#include "ccu_mult.h"
> >> +#include "ccu_nk.h"
> >> +#include "ccu_nkm.h"
> >> +#include "ccu_nkmp.h"
> >> +#include "ccu_nm.h"
> >> +
> >> +#include "ccu-sun50i-h616.h"
> >> +
> >> +/*
> >> + * The CPU PLL is actually NP clock, with P being /1, /2 or /4. However
> >> + * P should only be used for output frequencies lower than 288 MHz.
> >> + *
> >> + * For now we can just model it as a multiplier clock, and force P to
> >> /1.
> >> + *
> >> + * The M factor is present in the register's description, but not in the
> >> + * frequency formula, and it's documented as "M is only used for
> >> backdoor
> >> + * testing", so it's not modelled and then force to 0.
> >> + */
> >> +#define SUN50I_H616_PLL_CPUX_REG 0x000
> >> +static struct ccu_mult pll_cpux_clk = {
> >> + .enable = BIT(31),
> >> + .lock = BIT(28),
> >> + .mult = _SUNXI_CCU_MULT_MIN(8, 8, 12),
> >> + .common = {
> >> + .reg = 0x000,
> >> + .hw.init = CLK_HW_INIT("pll-cpux", "osc24M",
> >> + &ccu_mult_ops,
> >> + CLK_SET_RATE_UNGATE),
> >> + },
> >> +};
> >> +
> >> +/* Some PLLs are input * N / div1 / P. Model them as NKMP with no K */
> >> +#define SUN50I_H616_PLL_DDR0_REG 0x010
> >> +static struct ccu_nkmp pll_ddr0_clk = {
> >> + .enable = BIT(31),
> >> + .lock = BIT(28),
> >> + .n = _SUNXI_CCU_MULT_MIN(8, 8, 12),
> >> + .m = _SUNXI_CCU_DIV(1, 1), /* input divider */
> >> + .p = _SUNXI_CCU_DIV(0, 1), /* output divider */
> >> + .common = {
> >> + .reg = 0x010,
> >> + .hw.init = CLK_HW_INIT("pll-ddr0", "osc24M",
> >> + &ccu_nkmp_ops,
> >> + CLK_SET_RATE_UNGATE),
> >> + },
> >> +};
> >> +
> >> +#define SUN50I_H616_PLL_DDR1_REG 0x018
> >> +static struct ccu_nkmp pll_ddr1_clk = {
> >> + .enable = BIT(31),
> >> + .lock = BIT(28),
> >> + .n = _SUNXI_CCU_MULT_MIN(8, 8, 12),
> >> + .m = _SUNXI_CCU_DIV(1, 1), /* input divider */
> >> + .p = _SUNXI_CCU_DIV(0, 1), /* output divider */
> >> + .common = {
> >> + .reg = 0x018,
> >> + .hw.init = CLK_HW_INIT("pll-ddr1", "osc24M",
> >> + &ccu_nkmp_ops,
> >> + CLK_SET_RATE_UNGATE),
> >> + },
> >> +};
> >> +
> >> +#define SUN50I_H616_PLL_PERIPH0_REG 0x020
> >> +static struct ccu_nkmp pll_periph0_clk = {
> >> + .enable = BIT(31),
> >> + .lock = BIT(28),
> >> + .n = _SUNXI_CCU_MULT_MIN(8, 8, 12),
> >> + .m = _SUNXI_CCU_DIV(1, 1), /* input divider */
> >> + .p = _SUNXI_CCU_DIV(0, 1), /* output divider */
> >> + .fixed_post_div = 4,
> >> + .common = {
> >> + .reg = 0x020,
> >> + .features = CCU_FEATURE_FIXED_POSTDIV,
> >> + .hw.init = CLK_HW_INIT("pll-periph0", "osc24M",
> >> + &ccu_nkmp_ops,
> >> + CLK_SET_RATE_UNGATE),
> >> + },
> >> +};
> >> +
> >> +#define SUN50I_H616_PLL_PERIPH1_REG 0x028
> >> +static struct ccu_nkmp pll_periph1_clk = {
> >> + .enable = BIT(31),
> >> + .lock = BIT(28),
> >> + .n = _SUNXI_CCU_MULT_MIN(8, 8, 12),
> >> + .m = _SUNXI_CCU_DIV(1, 1), /* input divider */
> >> + .p = _SUNXI_CCU_DIV(0, 1), /* output divider */
> >> + .fixed_post_div = 4,
> >> + .common = {
> >> + .reg = 0x028,
> >> + .features = CCU_FEATURE_FIXED_POSTDIV,
> >> + .hw.init = CLK_HW_INIT("pll-periph1", "osc24M",
> >> + &ccu_nkmp_ops,
> >> + CLK_SET_RATE_UNGATE),
> >> + },
> >> +};
> >> +
> >> +#define SUN50I_H616_PLL_GPU_REG 0x030
> >> +static struct ccu_nkmp pll_gpu_clk = {
> >> + .enable = BIT(31),
> >> + .lock = BIT(28),
> >> + .n = _SUNXI_CCU_MULT_MIN(8, 8, 12),
> >> + .m = _SUNXI_CCU_DIV(1, 1), /* input divider */
> >> + .p = _SUNXI_CCU_DIV(0, 1), /* output divider */
> >> + .common = {
> >> + .reg = 0x030,
> >> + .hw.init = CLK_HW_INIT("pll-gpu", "osc24M",
> >> + &ccu_nkmp_ops,
> >> + CLK_SET_RATE_UNGATE),
> >> + },
> >> +};
> >> +
> >> +/*
> >> + * For Video PLLs, the output divider is described as "used for testing"
> >> + * in the user manual. So it's not modelled and forced to 0.
> >> + */
> >> +#define SUN50I_H616_PLL_VIDEO0_REG 0x040
> >> +static struct ccu_nm pll_video0_clk = {
> >> + .enable = BIT(31),
> >> + .lock = BIT(28),
> >> + .n = _SUNXI_CCU_MULT_MIN(8, 8, 12),
> >> + .m = _SUNXI_CCU_DIV(1, 1), /* input divider */
> >> + .fixed_post_div = 4,
> >> + .min_rate = 288000000,
> >> + .max_rate = 2400000000UL,
> >> + .common = {
> >> + .reg = 0x040,
> >> + .features = CCU_FEATURE_FIXED_POSTDIV,
> >> + .hw.init = CLK_HW_INIT("pll-video0", "osc24M",
> >> + &ccu_nm_ops,
> >> + CLK_SET_RATE_UNGATE),
> >> + },
> >> +};
> >
> > FYI the PLL video0 in your code is similar between H6/H616 but it's not
> > the
> > same in the vendor kernel.
> > Vendor says for H6:
> > pll_video0/pll_video1: 24*N/D1/4
> > for H616:
> > pll_video0x4 24*N/D1
> > pll_video1/pll_video2: 24*N/D1/4
>
> I don't see any particular problem with this? I mean we pretty surely
> have the x4 clock on the H6, and for the H616 the manual agrees to your
> findings?
>
> > I'm not sure if this comment is correct or not.
> >
> >> +
> >> +#define SUN50I_H616_PLL_VIDEO1_REG 0x048
> >> +static struct ccu_nm pll_video1_clk = {
> >> + .enable = BIT(31),
> >> + .lock = BIT(28),
> >> + .n = _SUNXI_CCU_MULT_MIN(8, 8, 12),
> >> + .m = _SUNXI_CCU_DIV(1, 1), /* input divider */
> >> + .fixed_post_div = 4,
> >> + .min_rate = 288000000,
> >> + .max_rate = 2400000000UL,
> >> + .common = {
> >> + .reg = 0x048,
> >> + .features = CCU_FEATURE_FIXED_POSTDIV,
> >> + .hw.init = CLK_HW_INIT("pll-video1", "osc24M",
> >> + &ccu_nm_ops,
> >> + CLK_SET_RATE_UNGATE),
> >> + },
> >> +};
> >> +
> >> +#define SUN50I_H616_PLL_VIDEO2_REG 0x050
> >> +static struct ccu_nm pll_video2_clk = {
> >> + .enable = BIT(31),
> >> + .lock = BIT(28),
> >> + .n = _SUNXI_CCU_MULT_MIN(8, 8, 12),
> >> + .m = _SUNXI_CCU_DIV(1, 1), /* input divider */
> >> + .fixed_post_div = 4,
> >> + .min_rate = 288000000,
> >> + .max_rate = 2400000000UL,
> >> + .common = {
> >> + .reg = 0x050,
> >> + .features = CCU_FEATURE_FIXED_POSTDIV,
> >> + .hw.init = CLK_HW_INIT("pll-video2", "osc24M",
> >> + &ccu_nm_ops,
> >> + CLK_SET_RATE_UNGATE),
> >> + },
> >> +};
> >
> > There is also a PLL_CSI. And all the CSI / LCD clocks but they are no
> > output pins available in the H616.
> > Maybe we can introduced these clocks later.
>
> I don't see good reasons to introduce undocumented and useless clocks at
> this point.
> So I will leave this out unless someone protests.
I'm pretty sure that H616 datasheet describes only subset of functionality
supported by die and BSP drivers cover full die functionality. Not only here,
but everywhere. We can leave them out for now.
>
> >> +
> >> +#define SUN50I_H616_PLL_VE_REG 0x058
> >> +static struct ccu_nkmp pll_ve_clk = {
> >> + .enable = BIT(31),
> >> + .lock = BIT(28),
> >> + .n = _SUNXI_CCU_MULT_MIN(8, 8, 12),
> >> + .m = _SUNXI_CCU_DIV(1, 1), /* input divider */
> >> + .p = _SUNXI_CCU_DIV(0, 1), /* output divider */
> >> + .common = {
> >> + .reg = 0x058,
> >> + .hw.init = CLK_HW_INIT("pll-ve", "osc24M",
> >> + &ccu_nkmp_ops,
> >> + CLK_SET_RATE_UNGATE),
> >> + },
> >> +};
> >> +
> >> +#define SUN50I_H616_PLL_DE_REG 0x060
> >> +static struct ccu_nkmp pll_de_clk = {
> >> + .enable = BIT(31),
> >> + .lock = BIT(28),
> >> + .n = _SUNXI_CCU_MULT_MIN(8, 8, 12),
> >> + .m = _SUNXI_CCU_DIV(1, 1), /* input divider */
> >> + .p = _SUNXI_CCU_DIV(0, 1), /* output divider */
> >> + .common = {
> >> + .reg = 0x060,
> >> + .hw.init = CLK_HW_INIT("pll-de", "osc24M",
> >> + &ccu_nkmp_ops,
> >> + CLK_SET_RATE_UNGATE),
> >> + },
> >> +};
> >> +
> >> +/*
> >> + * TODO: Determine SDM settings for the audio PLL. The manual suggests
> >> + * PLL_FACTOR_N=16, PLL_POST_DIV_P=2, OUTPUT_DIV=2, pattern=0xe000c49b
> >> + * for 24.576 MHz, and PLL_FACTOR_N=22, PLL_POST_DIV_P=3, OUTPUT_DIV=2,
> >> + * pattern=0xe001288c for 22.5792 MHz.
> >> + * This clashes with our fixed PLL_POST_DIV_P.
> >> + */
> >> +#define SUN50I_H616_PLL_AUDIO_REG 0x078
> >> +static struct ccu_nm pll_audio_hs_clk = {
> >> + .enable = BIT(31),
> >> + .lock = BIT(28),
> >> + .n = _SUNXI_CCU_MULT_MIN(8, 8, 12),
> >> + .m = _SUNXI_CCU_DIV(1, 1), /* input divider */
> >> + .common = {
> >> + .reg = 0x078,
> >> + .hw.init = CLK_HW_INIT("pll-audio-hs", "osc24M",
> >> + &ccu_nm_ops,
> >> + CLK_SET_RATE_UNGATE),
> >> + },
> >> +};
> >> +
> >> +static const char * const cpux_parents[] = { "osc24M", "osc32k",
> >> + "iosc", "pll-cpux", "pll-periph0"
> >> }; +static SUNXI_CCU_MUX(cpux_clk, "cpux", cpux_parents,
> >> + 0x500, 24, 3, CLK_SET_RATE_PARENT |
> >> CLK_IS_CRITICAL);
> >> +static SUNXI_CCU_M(axi_clk, "axi", "cpux", 0x500, 0, 2, 0);
> >> +static SUNXI_CCU_M(cpux_apb_clk, "cpux-apb", "cpux", 0x500, 8, 2, 0);
> >> +
> >> +static const char * const psi_ahb1_ahb2_parents[] = { "osc24M",
> >> "osc32k",
> >> + "iosc",
> >> "pll-periph0" }; +static SUNXI_CCU_MP_WITH_MUX(psi_ahb1_ahb2_clk,
> >> "psi-ahb1-ahb2",
> >> + psi_ahb1_ahb2_parents,
> >> + 0x510,
> >> + 0, 2, /* M */
> >> + 8, 2, /* P */
> >> + 24, 2, /* mux */
> >> + 0);
> >> +
> >> +static const char * const ahb3_apb1_apb2_parents[] = { "osc24M",
> >> "osc32k",
> >> + "psi-ahb1-ahb2",
> >> + "pll-periph0" };
> >> +static SUNXI_CCU_MP_WITH_MUX(ahb3_clk, "ahb3", ahb3_apb1_apb2_parents,
> >> 0x51c, + 0, 2, /* M */
> >> + 8, 2, /* P */
> >> + 24, 2, /* mux */
> >> + 0);
> >> +
> >> +static SUNXI_CCU_MP_WITH_MUX(apb1_clk, "apb1", ahb3_apb1_apb2_parents,
> >> 0x520, + 0, 2, /* M */
> >> + 8, 2, /* P */
> >> + 24, 2, /* mux */
> >> + 0);
> >> +
> >> +static SUNXI_CCU_MP_WITH_MUX(apb2_clk, "apb2", ahb3_apb1_apb2_parents,
> >> 0x524, + 0, 2, /* M */
> >> + 8, 2, /* P */
> >> + 24, 2, /* mux */
> >> + 0);
> >> +
> >> +static const char * const mbus_parents[] = { "osc24M", "pll-periph0-2x",
> >> + "pll-ddr0", "pll-ddr1" };
> >> +static SUNXI_CCU_M_WITH_MUX_GATE(mbus_clk, "mbus", mbus_parents, 0x540,
> >> + 0, 3, /* M */
> >> + 24, 2, /* mux */
> >> + BIT(31), /* gate */
> >> + CLK_IS_CRITICAL);
> >> +
> >> +static const char * const de_parents[] = { "pll-de", "pll-periph0-2x" };
> >> +static SUNXI_CCU_M_WITH_MUX_GATE(de_clk, "de", de_parents, 0x600,
> >> + 0, 4, /* M */
> >> + 24, 1, /* mux */
> >> + BIT(31), /* gate */
> >> + CLK_SET_RATE_PARENT);
> >> +
> >> +static SUNXI_CCU_GATE(bus_de_clk, "bus-de", "psi-ahb1-ahb2",
> >> + 0x60c, BIT(0), 0);
> >> +
> >> +static SUNXI_CCU_M_WITH_MUX_GATE(deinterlace_clk, "deinterlace",
> >> + de_parents,
> >> + 0x620,
> >> + 0, 4, /* M */
> >> + 24, 1, /* mux */
> >> + BIT(31), /* gate */
> >> + 0);
> >> +
> >> +static SUNXI_CCU_GATE(bus_deinterlace_clk, "bus-deinterlace",
> >> "psi-ahb1-ahb2", + 0x62c, BIT(0), 0);
> >> +
> >> +static SUNXI_CCU_M_WITH_MUX_GATE(g2d_clk, "g2d", de_parents, 0x630,
> >> + 0, 4, /* M */
> >> + 24, 1, /* mux */
> >> + BIT(31), /* gate */
> >> + 0);
> >> +
> >> +static SUNXI_CCU_GATE(bus_g2d_clk, "bus-g2d", "psi-ahb1-ahb2",
> >> + 0x63c, BIT(0), 0);
> >> +
> >> +static const char * const gpu0_parents[] = { "pll-gpu", "gpu1" };
> >> +static SUNXI_CCU_M_WITH_MUX_GATE(gpu0_clk, "gpu0", gpu0_parents, 0x670,
> >> + 0, 2, /* M */
> >> + 24, 1, /* mux */
> >> + BIT(31), /* gate */
> >> + CLK_SET_RATE_PARENT);
> >> +static SUNXI_CCU_M_WITH_GATE(gpu1_clk, "gpu1", "pll-periph0-2x", 0x674,
> >> + 0, 3, /* M */
> >
> > M here should be 0,2
>
> Right, good catch.
>
> >> + BIT(31),/* gate */
> >> + 0);
> >> +
> >> +static SUNXI_CCU_GATE(bus_gpu_clk, "bus-gpu", "psi-ahb1-ahb2",
> >> + 0x67c, BIT(0), 0);
> >> +
> >> +static const char * const ce_parents[] = { "osc24M", "pll-periph0-2x" };
> >> +static SUNXI_CCU_MP_WITH_MUX_GATE(ce_clk, "ce", ce_parents, 0x680,
> >> + 0, 4, /* M */
> >> + 8, 2, /* N */
> >> + 24, 1, /* mux */
> >> + BIT(31),/* gate */
> >> + 0);
> >> +
> >> +static SUNXI_CCU_GATE(bus_ce_clk, "bus-ce", "psi-ahb1-ahb2",
> >> + 0x68c, BIT(0), 0);
> >> +
> >> +static const char * const ve_parents[] = { "pll-ve" };
> >> +static SUNXI_CCU_M_WITH_MUX_GATE(ve_clk, "ve", ve_parents, 0x690,
> >> + 0, 3, /* M */
> >> + 24, 1, /* mux */
> >> + BIT(31), /* gate */
> >> + CLK_SET_RATE_PARENT);
> >> +
> >> +static SUNXI_CCU_GATE(bus_ve_clk, "bus-ve", "psi-ahb1-ahb2",
> >> + 0x69c, BIT(0), 0);
> >> +
> >> +static SUNXI_CCU_GATE(bus_dma_clk, "bus-dma", "psi-ahb1-ahb2",
> >> + 0x70c, BIT(0), 0);
> >> +
> >> +static SUNXI_CCU_GATE(bus_hstimer_clk, "bus-hstimer", "psi-ahb1-ahb2",
> >> + 0x73c, BIT(0), 0);
> >> +
> >> +static SUNXI_CCU_GATE(avs_clk, "avs", "osc24M", 0x740, BIT(31), 0);
> >> +
> >> +static SUNXI_CCU_GATE(bus_dbg_clk, "bus-dbg", "psi-ahb1-ahb2",
> >> + 0x78c, BIT(0), 0);
> >> +
> >> +static SUNXI_CCU_GATE(bus_psi_clk, "bus-psi", "psi-ahb1-ahb2",
> >> + 0x79c, BIT(0), 0);
> >> +
> >> +static SUNXI_CCU_GATE(bus_pwm_clk, "bus-pwm", "apb1", 0x7ac, BIT(0), 0);
> >> +
> >> +static SUNXI_CCU_GATE(bus_iommu_clk, "bus-iommu", "apb1", 0x7bc, BIT(0),
> >> 0); +
> >> +static const char * const dram_parents[] = { "pll-ddr0", "pll-ddr1" };
> >> +static struct ccu_div dram_clk = {
> >> + .div = _SUNXI_CCU_DIV(0, 2),
> >> + .mux = _SUNXI_CCU_MUX(24, 2),
> >> + .common = {
> >> + .reg = 0x800,
> >> + .hw.init = CLK_HW_INIT_PARENTS("dram",
> >> + dram_parents,
> >> + &ccu_div_ops,
> >> + CLK_IS_CRITICAL),
> >> + },
> >> +};
> >> +
> >> +static SUNXI_CCU_GATE(mbus_dma_clk, "mbus-dma", "mbus",
> >> + 0x804, BIT(0), 0);
> >> +static SUNXI_CCU_GATE(mbus_ve_clk, "mbus-ve", "mbus",
> >> + 0x804, BIT(1), 0);
> >> +static SUNXI_CCU_GATE(mbus_ce_clk, "mbus-ce", "mbus",
> >> + 0x804, BIT(2), 0);
> >> +static SUNXI_CCU_GATE(mbus_ts_clk, "mbus-ts", "mbus",
> >> + 0x804, BIT(3), 0);
> >> +static SUNXI_CCU_GATE(mbus_nand_clk, "mbus-nand", "mbus",
> >> + 0x804, BIT(5), 0);
> >
> > Compare to H6, you drop mbus-deinterlace but it is present in the vendor
> > kernel.
> It's not in the manual (which is what I look at). Not sure I can trust
> the vendor kernel more here.
This would need some experimenting.
Best regards,
Jernej
>
> >> +static SUNXI_CCU_GATE(mbus_g2d_clk, "mbus-g2d", "mbus",
> >> + 0x804, BIT(10), 0);
> >> +
> >> +static SUNXI_CCU_GATE(bus_dram_clk, "bus-dram", "psi-ahb1-ahb2",
> >> + 0x80c, BIT(0), CLK_IS_CRITICAL);
> >> +
> >> +static const char * const nand_spi_parents[] = { "osc24M",
> >> "pll-periph0",
> >> + "pll-periph1",
> >> "pll-periph0-2x", +
> >> "pll-periph1-2x" };
> >> +static SUNXI_CCU_MP_WITH_MUX_GATE(nand0_clk, "nand0", nand_spi_parents,
> >> 0x810, + 0, 4, /* M */
> >> + 8, 2, /* N */
> >> + 24, 3, /* mux */
> >> + BIT(31),/* gate */
> >> + 0);
> >> +
> >> +static SUNXI_CCU_MP_WITH_MUX_GATE(nand1_clk, "nand1", nand_spi_parents,
> >> 0x814, + 0, 4, /* M */
> >> + 8, 2, /* N */
> >> + 24, 3, /* mux */
> >> + BIT(31),/* gate */
> >> + 0);
> >> +
> >> +static SUNXI_CCU_GATE(bus_nand_clk, "bus-nand", "ahb3", 0x82c, BIT(0),
> >> 0);
> >> +
> >> +static const char * const mmc_parents[] = { "osc24M", "pll-periph0-2x",
> >> + "pll-periph1-2x" };
> >> +static SUNXI_CCU_MP_WITH_MUX_GATE_POSTDIV(mmc0_clk, "mmc0", mmc_parents,
> >> 0x830, + 0, 4, /* M */
> >> + 8, 2, /* N */
> >> + 24, 2, /* mux */
> >> + BIT(31), /* gate */
> >> + 2, /* post-div */
> >> + 0);
> >> +
> >> +static SUNXI_CCU_MP_WITH_MUX_GATE_POSTDIV(mmc1_clk, "mmc1", mmc_parents,
> >> 0x834, + 0, 4, /* M */
> >> + 8, 2, /* N */
> >> + 24, 2, /* mux */
> >> + BIT(31), /* gate */
> >> + 2, /* post-div */
> >> + 0);
> >> +
> >> +static SUNXI_CCU_MP_WITH_MUX_GATE_POSTDIV(mmc2_clk, "mmc2", mmc_parents,
> >> 0x838, + 0, 4, /* M */
> >> + 8, 2, /* N */
> >> + 24, 2, /* mux */
> >> + BIT(31), /* gate */
> >> + 2, /* post-div */
> >> + 0);
> >> +
> >> +static SUNXI_CCU_GATE(bus_mmc0_clk, "bus-mmc0", "ahb3", 0x84c, BIT(0),
> >> 0);
> >> +static SUNXI_CCU_GATE(bus_mmc1_clk, "bus-mmc1", "ahb3", 0x84c, BIT(1),
> >> 0);
> >> +static SUNXI_CCU_GATE(bus_mmc2_clk, "bus-mmc2", "ahb3", 0x84c, BIT(2),
> >> 0);
> >> +
> >> +static SUNXI_CCU_GATE(bus_uart0_clk, "bus-uart0", "apb2", 0x90c, BIT(0),
> >> 0); +static SUNXI_CCU_GATE(bus_uart1_clk, "bus-uart1", "apb2", 0x90c,
> >> BIT(1), 0); +static SUNXI_CCU_GATE(bus_uart2_clk, "bus-uart2", "apb2",
> >> 0x90c, BIT(2), 0); +static SUNXI_CCU_GATE(bus_uart3_clk, "bus-uart3",
> >> "apb2", 0x90c, BIT(3), 0); +static SUNXI_CCU_GATE(bus_uart4_clk,
> >> "bus-uart4", "apb2", 0x90c, BIT(4), 0); +static
> >> SUNXI_CCU_GATE(bus_uart5_clk, "bus-uart5", "apb2", 0x90c, BIT(5), 0); +
> >> +static SUNXI_CCU_GATE(bus_i2c0_clk, "bus-i2c0", "apb2", 0x91c, BIT(0),
> >> 0);
> >> +static SUNXI_CCU_GATE(bus_i2c1_clk, "bus-i2c1", "apb2", 0x91c, BIT(1),
> >> 0);
> >> +static SUNXI_CCU_GATE(bus_i2c2_clk, "bus-i2c2", "apb2", 0x91c, BIT(2),
> >> 0);
> >> +static SUNXI_CCU_GATE(bus_i2c3_clk, "bus-i2c3", "apb2", 0x91c, BIT(3),
> >> 0);
> >> +static SUNXI_CCU_GATE(bus_i2c4_clk, "bus-i2c4", "apb2", 0x91c, BIT(4),
> >> 0);
> >> +
> >> +static SUNXI_CCU_MP_WITH_MUX_GATE(spi0_clk, "spi0", nand_spi_parents,
> >> 0x940, + 0, 4, /* M */
> >> + 8, 2, /* N */
> >> + 24, 3, /* mux */
> >> + BIT(31),/* gate */
> >> + 0);
> >> +
> >> +static SUNXI_CCU_MP_WITH_MUX_GATE(spi1_clk, "spi1", nand_spi_parents,
> >> 0x944, + 0, 4, /* M */
> >> + 8, 2, /* N */
> >> + 24, 3, /* mux */
> >> + BIT(31),/* gate */
> >> + 0);
> >> +
> >> +static SUNXI_CCU_GATE(bus_spi0_clk, "bus-spi0", "ahb3", 0x96c, BIT(0),
> >> 0);
> >> +static SUNXI_CCU_GATE(bus_spi1_clk, "bus-spi1", "ahb3", 0x96c, BIT(1),
> >> 0);
> >> +
> >> +static SUNXI_CCU_GATE(emac_25m_clk, "emac-25m", "ahb3", 0x970,
> >> + BIT(31) | BIT(30), 0);
> >> +
> >> +static SUNXI_CCU_GATE(bus_emac0_clk, "bus-emac0", "ahb3", 0x97c, BIT(0),
> >> 0); +static SUNXI_CCU_GATE(bus_emac1_clk, "bus-emac1", "ahb3", 0x97c,
> >> BIT(1), 0); +
> >> +static const char * const ts_parents[] = { "osc24M", "pll-periph0" };
> >> +static SUNXI_CCU_MP_WITH_MUX_GATE(ts_clk, "ts", ts_parents, 0x9b0,
> >> + 0, 4, /* M */
> >> + 8, 2, /* N */
> >> + 24, 1, /* mux */
> >> + BIT(31),/* gate */
> >> + 0);
> >> +
> >> +static SUNXI_CCU_GATE(bus_ts_clk, "bus-ts", "ahb3", 0x9bc, BIT(0), 0);
> >> +
> >> +static SUNXI_CCU_GATE(bus_ths_clk, "bus-ths", "apb1", 0x9fc, BIT(0), 0);
> >> +
> >> +static const char * const audio_parents[] = { "pll-audio-1x",
> >> "pll-audio-2x", +
> >> "pll-audio-4x", "pll-audio-hs" }; +static struct ccu_div spdif_clk = {
> >> + .enable = BIT(31),
> >> + .div = _SUNXI_CCU_DIV_FLAGS(8, 2,
> >> CLK_DIVIDER_POWER_OF_TWO), + .mux = _SUNXI_CCU_MUX(24,
> >> 2),
> >> + .common = {
> >> + .reg = 0xa20,
> >> + .hw.init = CLK_HW_INIT_PARENTS("spdif",
> >> + audio_parents,
> >> + &ccu_div_ops,
> >> + 0),
> >> + },
> >> +};
> >> +
> >> +static SUNXI_CCU_GATE(bus_spdif_clk, "bus-spdif", "apb1", 0xa2c, BIT(0),
> >> 0); +
> >> +static struct ccu_div dmic_clk = {
> >> + .enable = BIT(31),
> >> + .div = _SUNXI_CCU_DIV_FLAGS(8, 2,
> >> CLK_DIVIDER_POWER_OF_TWO), + .mux = _SUNXI_CCU_MUX(24,
> >> 2),
> >> + .common = {
> >> + .reg = 0xa40,
> >> + .hw.init = CLK_HW_INIT_PARENTS("dmic",
> >> + audio_parents,
> >> + &ccu_div_ops,
> >> + 0),
> >> + },
> >> +};
> >> +
> >> +static SUNXI_CCU_GATE(bus_dmic_clk, "bus-dmic", "apb1", 0xa4c, BIT(0),
> >> 0);
> >> +
> >> +static SUNXI_CCU_M_WITH_MUX_GATE(audio_codec_1x_clk, "audio-codec-1x",
> >> + audio_parents, 0xa50,
> >> + 0, 4, /* M */
> >> + 24, 2, /* mux */
> >> + BIT(31), /* gate */
> >> + CLK_SET_RATE_PARENT);
> >> +static SUNXI_CCU_M_WITH_MUX_GATE(audio_codec_4x_clk, "audio-codec-4x",
> >> + audio_parents, 0xa54,
> >> + 0, 4, /* M */
> >> + 24, 2, /* mux */
> >> + BIT(31), /* gate */
> >> + CLK_SET_RATE_PARENT);
> >> +
> >> +static SUNXI_CCU_GATE(bus_audio_codec_clk, "bus-audio-codec", "apb1",
> >> 0xa5c, + BIT(0), 0);
> >> +
> >> +static struct ccu_div audio_hub_clk = {
> >> + .enable = BIT(31),
> >> + .div = _SUNXI_CCU_DIV_FLAGS(8, 2,
> >> CLK_DIVIDER_POWER_OF_TWO), + .mux = _SUNXI_CCU_MUX(24,
> >> 2),
> >> + .common = {
> >> + .reg = 0xa60,
> >> + .hw.init = CLK_HW_INIT_PARENTS("audio-hub",
> >> + audio_parents,
> >> + &ccu_div_ops,
> >> + 0),
> >> + },
> >> +};
> >> +
> >> +static SUNXI_CCU_GATE(bus_audio_hub_clk, "bus-audio-hub", "apb1", 0xa6c,
> >> BIT(0), 0); +
> >> +/*
> >> + * There are OHCI 12M clock source selection bits for 2 USB 2.0 ports.
> >> + * We will force them to 0 (12M divided from 48M).
> >> + */
> >> +#define SUN50I_H616_USB0_CLK_REG 0xa70
> >> +#define SUN50I_H616_USB1_CLK_REG 0xa74
> >> +#define SUN50I_H616_USB2_CLK_REG 0xa78
> >> +#define SUN50I_H616_USB3_CLK_REG 0xa7c
> >> +
> >> +static SUNXI_CCU_GATE(usb_ohci0_clk, "usb-ohci0", "osc12M", 0xa70,
> >> BIT(31), 0); +static SUNXI_CCU_GATE(usb_phy0_clk, "usb-phy0", "osc24M",
> >> 0xa70, BIT(29), 0); +
> >> +static SUNXI_CCU_GATE(usb_ohci1_clk, "usb-ohci1", "osc12M", 0xa74,
> >> BIT(31), 0); +static SUNXI_CCU_GATE(usb_phy1_clk, "usb-phy1", "osc24M",
> >> 0xa74, BIT(29), 0); +
> >> +static SUNXI_CCU_GATE(usb_ohci2_clk, "usb-ohci2", "osc12M", 0xa78,
> >> BIT(31), 0); +static SUNXI_CCU_GATE(usb_phy2_clk, "usb-phy2", "osc24M",
> >> 0xa78, BIT(29), 0); +
> >> +static SUNXI_CCU_GATE(usb_ohci3_clk, "usb-ohci3", "osc12M", 0xa7c,
> >> BIT(31), 0); +static SUNXI_CCU_GATE(usb_phy3_clk, "usb-phy3", "osc12M",
> >> 0xa7c, BIT(29), 0); +
> >> +static SUNXI_CCU_GATE(bus_ohci0_clk, "bus-ohci0", "ahb3", 0xa8c, BIT(0),
> >> 0); +static SUNXI_CCU_GATE(bus_ohci1_clk, "bus-ohci1", "ahb3", 0xa8c,
> >> BIT(1), 0); +static SUNXI_CCU_GATE(bus_ohci2_clk, "bus-ohci2", "ahb3",
> >> 0xa8c, BIT(2), 0); +static SUNXI_CCU_GATE(bus_ohci3_clk, "bus-ohci3",
> >> "ahb3", 0xa8c, BIT(3), 0); +static SUNXI_CCU_GATE(bus_ehci0_clk,
> >> "bus-ehci0", "ahb3", 0xa8c, BIT(4), 0); +static
> >> SUNXI_CCU_GATE(bus_ehci1_clk, "bus-ehci1", "ahb3", 0xa8c, BIT(5), 0);
> >> +static SUNXI_CCU_GATE(bus_ehci2_clk, "bus-ehci2", "ahb3", 0xa8c,
> >> BIT(6), 0); +static SUNXI_CCU_GATE(bus_ehci3_clk, "bus-ehci3", "ahb3",
> >> 0xa8c, BIT(7), 0); +static SUNXI_CCU_GATE(bus_otg_clk, "bus-otg",
> >> "ahb3", 0xa8c, BIT(8), 0); +
> >> +static SUNXI_CCU_GATE(bus_keyadc_clk, "bus-keyadc", "apb1", 0xa9c,
> >> BIT(0), 0); +
> >> +static struct clk_fixed_factor pll_periph0_4x_clk;
> >> +
> >> +static const char * const hdmi_parents[] = { "pll-video0",
> >> "pll-video0-4x", +
> >> "pll-video2", "pll-video2-4x" }; +static
> >> SUNXI_CCU_M_WITH_MUX_GATE(hdmi_clk, "hdmi", hdmi_parents, 0xb00, +
> >> 0, 4, /* M */
> >> + 24, 2, /* mux */
> >> + BIT(31), /* gate */
> >> + 0);
> >> +
> >> +static SUNXI_CCU_GATE(hdmi_slow_clk, "hdmi-slow", "osc24M", 0xb04,
> >> BIT(31), 0); +
> >> +static const char * const hdmi_cec_parents[] = { "osc32k",
> >> "pll-periph0-2x" }; +static const struct ccu_mux_fixed_prediv
> >> hdmi_cec_predivs[] = {
> >> + { .index = 1, .div = 36621 },
> >> +};
> >> +
> >> +#define SUN50I_H616_HDMI_CEC_CLK_REG 0xb10
> >> +static struct ccu_mux hdmi_cec_clk = {
> >> + .enable = BIT(31),
> >> +
> >> + .mux = {
> >> + .shift = 24,
> >> + .width = 2,
> >> +
> >> + .fixed_predivs = hdmi_cec_predivs,
> >> + .n_predivs = ARRAY_SIZE(hdmi_cec_predivs),
> >> + },
> >> +
> >> + .common = {
> >> + .reg = 0xb10,
> >> + .features = CCU_FEATURE_VARIABLE_PREDIV,
> >> + .hw.init = CLK_HW_INIT_PARENTS("hdmi-cec",
> >> + hdmi_cec_parents,
> >> + &ccu_mux_ops,
> >> + 0),
> >> + },
> >> +};
> >> +
> >> +static SUNXI_CCU_GATE(bus_hdmi_clk, "bus-hdmi", "ahb3", 0xb1c, BIT(0),
> >> 0);
> >> +
> >> +static SUNXI_CCU_GATE(bus_tcon_top_clk, "bus-tcon-top", "ahb3",
> >> + 0xb5c, BIT(0), 0);
> >> +
> >> +static const char * const tcon_tv0_parents[] = { "pll-video0",
> >> + "pll-video0-4x",
> >> + "pll-video1",
> >> + "pll-video1-4x" };
> >> +static SUNXI_CCU_MP_WITH_MUX_GATE(tcon_tv0_clk, "tcon-tv0",
> >> + tcon_tv0_parents, 0xb80,
> >> + 0, 4, /* M */
> >> + 8, 2, /* P */
> >> + 24, 3, /* mux */
> >> + BIT(31), /* gate */
> >> + CLK_SET_RATE_PARENT);
> >> +
> >> +static SUNXI_CCU_GATE(bus_tcon_tv0_clk, "bus-tcon-tv0", "ahb3",
> >> + 0xb9c, BIT(0), 0);
> >
> > The TV1 clk is missing here
>
> Right, and some more TV encoder related.
>
> Cheers,
> Andre
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