[PATCH v4 3/4] clk: meson-axg: add clock controller drivers
Neil Armstrong
narmstrong at baylibre.com
Thu Dec 7 00:40:05 PST 2017
On 01/12/2017 02:24, Yixun Lan wrote:
> From: Qiufang Dai <qiufang.dai at amlogic.com>
>
> Add clock controller drivers for Amlogic Meson-AXG SoC.
>
> Signed-off-by: Qiufang Dai <qiufang.dai at amlogic.com>
> Signed-off-by: Yixun Lan <yixun.lan at amlogic.com>
> ---
> arch/arm64/Kconfig.platforms | 1 +
> drivers/clk/meson/Kconfig | 8 +
> drivers/clk/meson/Makefile | 1 +
> drivers/clk/meson/axg.c | 944 +++++++++++++++++++++++++++++++++++++++++++
> drivers/clk/meson/axg.h | 126 ++++++
> 5 files changed, 1080 insertions(+)
> create mode 100644 drivers/clk/meson/axg.c
> create mode 100644 drivers/clk/meson/axg.h
>
> diff --git a/arch/arm64/Kconfig.platforms b/arch/arm64/Kconfig.platforms
> index 2401373565ff..fbedbd8f619a 100644
> --- a/arch/arm64/Kconfig.platforms
> +++ b/arch/arm64/Kconfig.platforms
> @@ -105,6 +105,7 @@ config ARCH_MESON
> select PINCTRL_MESON
> select COMMON_CLK_AMLOGIC
> select COMMON_CLK_GXBB
> + select COMMON_CLK_AXG
> select MESON_IRQ_GPIO
> help
> This enables support for the Amlogic S905 SoCs.
> diff --git a/drivers/clk/meson/Kconfig b/drivers/clk/meson/Kconfig
> index d2d0174a6eca..7694302c70a4 100644
> --- a/drivers/clk/meson/Kconfig
> +++ b/drivers/clk/meson/Kconfig
> @@ -19,3 +19,11 @@ config COMMON_CLK_GXBB
> help
> Support for the clock controller on AmLogic S905 devices, aka gxbb.
> Say Y if you want peripherals and CPU frequency scaling to work.
> +
> +config COMMON_CLK_AXG
> + bool
> + depends on COMMON_CLK_AMLOGIC
> + select RESET_CONTROLLER
> + help
> + Support for the clock controller on AmLogic A113D devices, aka axg.
> + Say Y if you want peripherals and CPU frequency scaling to work.
> diff --git a/drivers/clk/meson/Makefile b/drivers/clk/meson/Makefile
> index b139d41b25da..3c03ce583798 100644
> --- a/drivers/clk/meson/Makefile
> +++ b/drivers/clk/meson/Makefile
> @@ -5,3 +5,4 @@
> obj-$(CONFIG_COMMON_CLK_AMLOGIC) += clk-pll.o clk-cpu.o clk-mpll.o clk-audio-divider.o
> obj-$(CONFIG_COMMON_CLK_MESON8B) += meson8b.o
> obj-$(CONFIG_COMMON_CLK_GXBB) += gxbb.o gxbb-aoclk.o gxbb-aoclk-regmap.o gxbb-aoclk-32k.o
> +obj-$(CONFIG_COMMON_CLK_AXG) += axg.o
> diff --git a/drivers/clk/meson/axg.c b/drivers/clk/meson/axg.c
> new file mode 100644
> index 000000000000..03f57541bc1e
> --- /dev/null
> +++ b/drivers/clk/meson/axg.c
> @@ -0,0 +1,944 @@
> +// SPDX-License-Identifier: GPL-2.0+
> +/*
> + * AmLogic Meson-AXG Clock Controller Driver
> + *
> + * Copyright (c) 2016 Baylibre SAS.
> + * Author: Michael Turquette <mturquette at baylibre.com>
> + *
> + * Copyright (c) 2017 Amlogic, inc.
> + * Author: Qiufang Dai <qiufang.dai at amlogic.com>
> + */
> +
> +#include <linux/clk.h>
> +#include <linux/clk-provider.h>
> +#include <linux/of_address.h>
> +#include <linux/of_device.h>
> +#include <linux/platform_device.h>
> +#include <linux/init.h>
> +
> +#include "clkc.h"
> +#include "axg.h"
> +
> +static DEFINE_SPINLOCK(clk_lock);
> +
> +static const struct pll_rate_table sys_pll_rate_table[] = {
> + PLL_RATE(24000000, 56, 1, 2),
> + PLL_RATE(48000000, 64, 1, 2),
> + PLL_RATE(72000000, 72, 1, 2),
> + PLL_RATE(96000000, 64, 1, 2),
> + PLL_RATE(120000000, 80, 1, 2),
> + PLL_RATE(144000000, 96, 1, 2),
> + PLL_RATE(168000000, 56, 1, 1),
> + PLL_RATE(192000000, 64, 1, 1),
> + PLL_RATE(216000000, 72, 1, 1),
> + PLL_RATE(240000000, 80, 1, 1),
> + PLL_RATE(264000000, 88, 1, 1),
> + PLL_RATE(288000000, 96, 1, 1),
> + PLL_RATE(312000000, 52, 1, 2),
> + PLL_RATE(336000000, 56, 1, 2),
> + PLL_RATE(360000000, 60, 1, 2),
> + PLL_RATE(384000000, 64, 1, 2),
> + PLL_RATE(408000000, 68, 1, 2),
> + PLL_RATE(432000000, 72, 1, 2),
> + PLL_RATE(456000000, 76, 1, 2),
> + PLL_RATE(480000000, 80, 1, 2),
> + PLL_RATE(504000000, 84, 1, 2),
> + PLL_RATE(528000000, 88, 1, 2),
> + PLL_RATE(552000000, 92, 1, 2),
> + PLL_RATE(576000000, 96, 1, 2),
> + PLL_RATE(600000000, 50, 1, 1),
> + PLL_RATE(624000000, 52, 1, 1),
> + PLL_RATE(648000000, 54, 1, 1),
> + PLL_RATE(672000000, 56, 1, 1),
> + PLL_RATE(696000000, 58, 1, 1),
> + PLL_RATE(720000000, 60, 1, 1),
> + PLL_RATE(744000000, 62, 1, 1),
> + PLL_RATE(768000000, 64, 1, 1),
> + PLL_RATE(792000000, 66, 1, 1),
> + PLL_RATE(816000000, 68, 1, 1),
> + PLL_RATE(840000000, 70, 1, 1),
> + PLL_RATE(864000000, 72, 1, 1),
> + PLL_RATE(888000000, 74, 1, 1),
> + PLL_RATE(912000000, 76, 1, 1),
> + PLL_RATE(936000000, 78, 1, 1),
> + PLL_RATE(960000000, 80, 1, 1),
> + PLL_RATE(984000000, 82, 1, 1),
> + PLL_RATE(1008000000, 84, 1, 1),
> + PLL_RATE(1032000000, 86, 1, 1),
> + PLL_RATE(1056000000, 88, 1, 1),
> + PLL_RATE(1080000000, 90, 1, 1),
> + PLL_RATE(1104000000, 92, 1, 1),
> + PLL_RATE(1128000000, 94, 1, 1),
> + PLL_RATE(1152000000, 96, 1, 1),
> + PLL_RATE(1176000000, 98, 1, 1),
> + PLL_RATE(1200000000, 50, 1, 0),
> + PLL_RATE(1224000000, 51, 1, 0),
> + PLL_RATE(1248000000, 52, 1, 0),
> + PLL_RATE(1272000000, 53, 1, 0),
> + PLL_RATE(1296000000, 54, 1, 0),
> + PLL_RATE(1320000000, 55, 1, 0),
> + PLL_RATE(1344000000, 56, 1, 0),
> + PLL_RATE(1368000000, 57, 1, 0),
> + PLL_RATE(1392000000, 58, 1, 0),
> + PLL_RATE(1416000000, 59, 1, 0),
> + PLL_RATE(1440000000, 60, 1, 0),
> + PLL_RATE(1464000000, 61, 1, 0),
> + PLL_RATE(1488000000, 62, 1, 0),
> + PLL_RATE(1512000000, 63, 1, 0),
> + PLL_RATE(1536000000, 64, 1, 0),
> + PLL_RATE(1560000000, 65, 1, 0),
> + PLL_RATE(1584000000, 66, 1, 0),
> + PLL_RATE(1608000000, 67, 1, 0),
> + PLL_RATE(1632000000, 68, 1, 0),
> + PLL_RATE(1656000000, 68, 1, 0),
> + PLL_RATE(1680000000, 68, 1, 0),
> + PLL_RATE(1704000000, 68, 1, 0),
> + PLL_RATE(1728000000, 69, 1, 0),
> + PLL_RATE(1752000000, 69, 1, 0),
> + PLL_RATE(1776000000, 69, 1, 0),
> + PLL_RATE(1800000000, 69, 1, 0),
> + PLL_RATE(1824000000, 70, 1, 0),
> + PLL_RATE(1848000000, 70, 1, 0),
> + PLL_RATE(1872000000, 70, 1, 0),
> + PLL_RATE(1896000000, 70, 1, 0),
> + PLL_RATE(1920000000, 71, 1, 0),
> + PLL_RATE(1944000000, 71, 1, 0),
> + PLL_RATE(1968000000, 71, 1, 0),
> + PLL_RATE(1992000000, 71, 1, 0),
> + PLL_RATE(2016000000, 72, 1, 0),
> + PLL_RATE(2040000000, 72, 1, 0),
> + PLL_RATE(2064000000, 72, 1, 0),
> + PLL_RATE(2088000000, 72, 1, 0),
> + PLL_RATE(2112000000, 73, 1, 0),
> + { /* sentinel */ },
> +};
> +
> +static struct meson_clk_pll axg_fixed_pll = {
> + .m = {
> + .reg_off = HHI_MPLL_CNTL,
> + .shift = 0,
> + .width = 9,
> + },
> + .n = {
> + .reg_off = HHI_MPLL_CNTL,
> + .shift = 9,
> + .width = 5,
> + },
> + .od = {
> + .reg_off = HHI_MPLL_CNTL,
> + .shift = 16,
> + .width = 2,
> + },
> + .lock = &clk_lock,
> + .hw.init = &(struct clk_init_data){
> + .name = "fixed_pll",
> + .ops = &meson_clk_pll_ro_ops,
> + .parent_names = (const char *[]){ "xtal" },
> + .num_parents = 1,
> + .flags = CLK_GET_RATE_NOCACHE,
> + },
> +};
> +
> +static struct meson_clk_pll axg_sys_pll = {
> + .m = {
> + .reg_off = HHI_SYS_PLL_CNTL,
> + .shift = 0,
> + .width = 9,
> + },
> + .n = {
> + .reg_off = HHI_SYS_PLL_CNTL,
> + .shift = 9,
> + .width = 5,
> + },
> + .od = {
> + .reg_off = HHI_SYS_PLL_CNTL,
> + .shift = 10,
> + .width = 2,
> + },
> + .rate_table = sys_pll_rate_table,
> + .rate_count = ARRAY_SIZE(sys_pll_rate_table),
> + .lock = &clk_lock,
> + .hw.init = &(struct clk_init_data){
> + .name = "sys_pll",
> + .ops = &meson_clk_pll_ro_ops,
> + .parent_names = (const char *[]){ "xtal" },
> + .num_parents = 1,
> + .flags = CLK_GET_RATE_NOCACHE,
> + },
> +};
> +
> +static const struct pll_rate_table axg_gp0_pll_rate_table[] = {
> + PLL_RATE(240000000, 40, 1, 2),
> + PLL_RATE(246000000, 41, 1, 2),
> + PLL_RATE(252000000, 42, 1, 2),
> + PLL_RATE(258000000, 43, 1, 2),
> + PLL_RATE(264000000, 44, 1, 2),
> + PLL_RATE(270000000, 45, 1, 2),
> + PLL_RATE(276000000, 46, 1, 2),
> + PLL_RATE(282000000, 47, 1, 2),
> + PLL_RATE(288000000, 48, 1, 2),
> + PLL_RATE(294000000, 49, 1, 2),
> + PLL_RATE(300000000, 50, 1, 2),
> + PLL_RATE(306000000, 51, 1, 2),
> + PLL_RATE(312000000, 52, 1, 2),
> + PLL_RATE(318000000, 53, 1, 2),
> + PLL_RATE(324000000, 54, 1, 2),
> + PLL_RATE(330000000, 55, 1, 2),
> + PLL_RATE(336000000, 56, 1, 2),
> + PLL_RATE(342000000, 57, 1, 2),
> + PLL_RATE(348000000, 58, 1, 2),
> + PLL_RATE(354000000, 59, 1, 2),
> + PLL_RATE(360000000, 60, 1, 2),
> + PLL_RATE(366000000, 61, 1, 2),
> + PLL_RATE(372000000, 62, 1, 2),
> + PLL_RATE(378000000, 63, 1, 2),
> + PLL_RATE(384000000, 64, 1, 2),
> + PLL_RATE(390000000, 65, 1, 3),
> + PLL_RATE(396000000, 66, 1, 3),
> + PLL_RATE(402000000, 67, 1, 3),
> + PLL_RATE(408000000, 68, 1, 3),
> + PLL_RATE(480000000, 40, 1, 1),
> + PLL_RATE(492000000, 41, 1, 1),
> + PLL_RATE(504000000, 42, 1, 1),
> + PLL_RATE(516000000, 43, 1, 1),
> + PLL_RATE(528000000, 44, 1, 1),
> + PLL_RATE(540000000, 45, 1, 1),
> + PLL_RATE(552000000, 46, 1, 1),
> + PLL_RATE(564000000, 47, 1, 1),
> + PLL_RATE(576000000, 48, 1, 1),
> + PLL_RATE(588000000, 49, 1, 1),
> + PLL_RATE(600000000, 50, 1, 1),
> + PLL_RATE(612000000, 51, 1, 1),
> + PLL_RATE(624000000, 52, 1, 1),
> + PLL_RATE(636000000, 53, 1, 1),
> + PLL_RATE(648000000, 54, 1, 1),
> + PLL_RATE(660000000, 55, 1, 1),
> + PLL_RATE(672000000, 56, 1, 1),
> + PLL_RATE(684000000, 57, 1, 1),
> + PLL_RATE(696000000, 58, 1, 1),
> + PLL_RATE(708000000, 59, 1, 1),
> + PLL_RATE(720000000, 60, 1, 1),
> + PLL_RATE(732000000, 61, 1, 1),
> + PLL_RATE(744000000, 62, 1, 1),
> + PLL_RATE(756000000, 63, 1, 1),
> + PLL_RATE(768000000, 64, 1, 1),
> + PLL_RATE(780000000, 65, 1, 1),
> + PLL_RATE(792000000, 66, 1, 1),
> + PLL_RATE(804000000, 67, 1, 1),
> + PLL_RATE(816000000, 68, 1, 1),
> + PLL_RATE(960000000, 40, 1, 0),
> + PLL_RATE(984000000, 41, 1, 0),
> + PLL_RATE(1008000000, 42, 1, 0),
> + PLL_RATE(1032000000, 43, 1, 0),
> + PLL_RATE(1056000000, 44, 1, 0),
> + PLL_RATE(1080000000, 45, 1, 0),
> + PLL_RATE(1104000000, 46, 1, 0),
> + PLL_RATE(1128000000, 47, 1, 0),
> + PLL_RATE(1152000000, 48, 1, 0),
> + PLL_RATE(1176000000, 49, 1, 0),
> + PLL_RATE(1200000000, 50, 1, 0),
> + PLL_RATE(1224000000, 51, 1, 0),
> + PLL_RATE(1248000000, 52, 1, 0),
> + PLL_RATE(1272000000, 53, 1, 0),
> + PLL_RATE(1296000000, 54, 1, 0),
> + PLL_RATE(1320000000, 55, 1, 0),
> + PLL_RATE(1344000000, 56, 1, 0),
> + PLL_RATE(1368000000, 57, 1, 0),
> + PLL_RATE(1392000000, 58, 1, 0),
> + PLL_RATE(1416000000, 59, 1, 0),
> + PLL_RATE(1440000000, 60, 1, 0),
> + PLL_RATE(1464000000, 61, 1, 0),
> + PLL_RATE(1488000000, 62, 1, 0),
> + PLL_RATE(1512000000, 63, 1, 0),
> + PLL_RATE(1536000000, 64, 1, 0),
> + PLL_RATE(1560000000, 65, 1, 0),
> + PLL_RATE(1584000000, 66, 1, 0),
> + PLL_RATE(1608000000, 67, 1, 0),
> + PLL_RATE(1632000000, 68, 1, 0),
> + { /* sentinel */ },
> +};
> +
> +struct pll_params_table axg_gp0_params_table[] = {
> + PLL_PARAM(HHI_GP0_PLL_CNTL, 0x40010250),
> + PLL_PARAM(HHI_GP0_PLL_CNTL1, 0xc084a000),
> + PLL_PARAM(HHI_GP0_PLL_CNTL2, 0xb75020be),
> + PLL_PARAM(HHI_GP0_PLL_CNTL3, 0x0a59a288),
> + PLL_PARAM(HHI_GP0_PLL_CNTL4, 0xc000004d),
> + PLL_PARAM(HHI_GP0_PLL_CNTL5, 0x00078000),
> +};
> +
> +static struct meson_clk_pll axg_gp0_pll = {
> + .m = {
> + .reg_off = HHI_GP0_PLL_CNTL,
> + .shift = 0,
> + .width = 9,
> + },
> + .n = {
> + .reg_off = HHI_GP0_PLL_CNTL,
> + .shift = 9,
> + .width = 5,
> + },
> + .od = {
> + .reg_off = HHI_GP0_PLL_CNTL,
> + .shift = 16,
> + .width = 2,
> + },
> + .params = {
> + .params_table = axg_gp0_params_table,
> + .params_count = ARRAY_SIZE(axg_gp0_params_table),
> + .no_init_reset = true,
> + .reset_lock_loop = true,
> + },
> + .rate_table = axg_gp0_pll_rate_table,
> + .rate_count = ARRAY_SIZE(axg_gp0_pll_rate_table),
> + .lock = &clk_lock,
> + .hw.init = &(struct clk_init_data){
> + .name = "gp0_pll",
> + .ops = &meson_clk_pll_ops,
> + .parent_names = (const char *[]){ "xtal" },
> + .num_parents = 1,
> + .flags = CLK_GET_RATE_NOCACHE,
> + },
> +};
> +
> +
> +static struct clk_fixed_factor axg_fclk_div2 = {
> + .mult = 1,
> + .div = 2,
> + .hw.init = &(struct clk_init_data){
> + .name = "fclk_div2",
> + .ops = &clk_fixed_factor_ops,
> + .parent_names = (const char *[]){ "fixed_pll" },
> + .num_parents = 1,
> + },
> +};
> +
> +static struct clk_fixed_factor axg_fclk_div3 = {
> + .mult = 1,
> + .div = 3,
> + .hw.init = &(struct clk_init_data){
> + .name = "fclk_div3",
> + .ops = &clk_fixed_factor_ops,
> + .parent_names = (const char *[]){ "fixed_pll" },
> + .num_parents = 1,
> + },
> +};
> +
> +static struct clk_fixed_factor axg_fclk_div4 = {
> + .mult = 1,
> + .div = 4,
> + .hw.init = &(struct clk_init_data){
> + .name = "fclk_div4",
> + .ops = &clk_fixed_factor_ops,
> + .parent_names = (const char *[]){ "fixed_pll" },
> + .num_parents = 1,
> + },
> +};
> +
> +static struct clk_fixed_factor axg_fclk_div5 = {
> + .mult = 1,
> + .div = 5,
> + .hw.init = &(struct clk_init_data){
> + .name = "fclk_div5",
> + .ops = &clk_fixed_factor_ops,
> + .parent_names = (const char *[]){ "fixed_pll" },
> + .num_parents = 1,
> + },
> +};
> +
> +static struct clk_fixed_factor axg_fclk_div7 = {
> + .mult = 1,
> + .div = 7,
> + .hw.init = &(struct clk_init_data){
> + .name = "fclk_div7",
> + .ops = &clk_fixed_factor_ops,
> + .parent_names = (const char *[]){ "fixed_pll" },
> + .num_parents = 1,
> + },
> +};
> +
> +static struct meson_clk_mpll axg_mpll0 = {
> + .sdm = {
> + .reg_off = HHI_MPLL_CNTL7,
> + .shift = 0,
> + .width = 14,
> + },
> + .sdm_en = {
> + .reg_off = HHI_MPLL_CNTL7,
> + .shift = 15,
> + .width = 1,
> + },
> + .n2 = {
> + .reg_off = HHI_MPLL_CNTL7,
> + .shift = 16,
> + .width = 9,
> + },
> + .en = {
> + .reg_off = HHI_MPLL_CNTL7,
> + .shift = 14,
> + .width = 1,
> + },
> + .ssen = {
> + .reg_off = HHI_MPLL_CNTL,
> + .shift = 25,
> + .width = 1,
> + },
> + .lock = &clk_lock,
> + .hw.init = &(struct clk_init_data){
> + .name = "mpll0",
> + .ops = &meson_clk_mpll_ops,
> + .parent_names = (const char *[]){ "fixed_pll" },
> + .num_parents = 1,
> + },
> +};
> +
> +static struct meson_clk_mpll axg_mpll1 = {
> + .sdm = {
> + .reg_off = HHI_MPLL_CNTL8,
> + .shift = 0,
> + .width = 14,
> + },
> + .sdm_en = {
> + .reg_off = HHI_MPLL_CNTL8,
> + .shift = 15,
> + .width = 1,
> + },
> + .n2 = {
> + .reg_off = HHI_MPLL_CNTL8,
> + .shift = 16,
> + .width = 9,
> + },
> + .en = {
> + .reg_off = HHI_MPLL_CNTL8,
> + .shift = 14,
> + .width = 1,
> + },
> + .lock = &clk_lock,
> + .hw.init = &(struct clk_init_data){
> + .name = "mpll1",
> + .ops = &meson_clk_mpll_ops,
> + .parent_names = (const char *[]){ "fixed_pll" },
> + .num_parents = 1,
> + },
> +};
> +
> +static struct meson_clk_mpll axg_mpll2 = {
> + .sdm = {
> + .reg_off = HHI_MPLL_CNTL9,
> + .shift = 0,
> + .width = 14,
> + },
> + .sdm_en = {
> + .reg_off = HHI_MPLL_CNTL9,
> + .shift = 15,
> + .width = 1,
> + },
> + .n2 = {
> + .reg_off = HHI_MPLL_CNTL9,
> + .shift = 16,
> + .width = 9,
> + },
> + .en = {
> + .reg_off = HHI_MPLL_CNTL9,
> + .shift = 14,
> + .width = 1,
> + },
> + .lock = &clk_lock,
> + .hw.init = &(struct clk_init_data){
> + .name = "mpll2",
> + .ops = &meson_clk_mpll_ops,
> + .parent_names = (const char *[]){ "fixed_pll" },
> + .num_parents = 1,
> + },
> +};
> +
> +static struct meson_clk_mpll axg_mpll3 = {
> + .sdm = {
> + .reg_off = HHI_MPLL3_CNTL0,
> + .shift = 12,
> + .width = 14,
> + },
> + .sdm_en = {
> + .reg_off = HHI_MPLL3_CNTL0,
> + .shift = 11,
> + .width = 1,
> + },
> + .n2 = {
> + .reg_off = HHI_MPLL3_CNTL0,
> + .shift = 2,
> + .width = 9,
> + },
> + .en = {
> + .reg_off = HHI_MPLL3_CNTL0,
> + .shift = 0,
> + .width = 1,
> + },
> + .lock = &clk_lock,
> + .hw.init = &(struct clk_init_data){
> + .name = "mpll3",
> + .ops = &meson_clk_mpll_ops,
> + .parent_names = (const char *[]){ "fixed_pll" },
> + .num_parents = 1,
> + },
> +};
> +
> +/*
> + * FIXME The legacy composite clocks (e.g. clk81) are both PLL post-dividers
> + * and should be modeled with their respective PLLs via the forthcoming
> + * coordinated clock rates feature
> + */
> +static u32 mux_table_clk81[] = { 0, 2, 3, 4, 5, 6, 7 };
> +static const char * const clk81_parent_names[] = {
> + "xtal", "fclk_div7", "mpll1", "mpll2", "fclk_div4",
> + "fclk_div3", "fclk_div5"
> +};
> +
> +static struct clk_mux axg_mpeg_clk_sel = {
> + .reg = (void *)HHI_MPEG_CLK_CNTL,
> + .mask = 0x7,
> + .shift = 12,
> + .flags = CLK_MUX_READ_ONLY,
> + .table = mux_table_clk81,
> + .lock = &clk_lock,
> + .hw.init = &(struct clk_init_data){
> + .name = "mpeg_clk_sel",
> + .ops = &clk_mux_ro_ops,
> + /*
> + * bits 14:12 selects from 8 possible parents:
> + * xtal, 1'b0 (wtf), fclk_div7, mpll_clkout1, mpll_clkout2,
> + * fclk_div4, fclk_div3, fclk_div5
> + */
> + .parent_names = clk81_parent_names,
> + .num_parents = ARRAY_SIZE(clk81_parent_names),
> + .flags = CLK_SET_RATE_NO_REPARENT,
> + },
> +};
> +
> +static struct clk_divider axg_mpeg_clk_div = {
> + .reg = (void *)HHI_MPEG_CLK_CNTL,
> + .shift = 0,
> + .width = 7,
> + .lock = &clk_lock,
> + .hw.init = &(struct clk_init_data){
> + .name = "mpeg_clk_div",
> + .ops = &clk_divider_ops,
> + .parent_names = (const char *[]){ "mpeg_clk_sel" },
> + .num_parents = 1,
> + .flags = CLK_SET_RATE_PARENT,
> + },
> +};
> +
> +static struct clk_gate axg_clk81 = {
> + .reg = (void *)HHI_MPEG_CLK_CNTL,
> + .bit_idx = 7,
> + .lock = &clk_lock,
> + .hw.init = &(struct clk_init_data){
> + .name = "clk81",
> + .ops = &clk_gate_ops,
> + .parent_names = (const char *[]){ "mpeg_clk_div" },
> + .num_parents = 1,
> + .flags = (CLK_SET_RATE_PARENT | CLK_IS_CRITICAL),
> + },
> +};
> +
> +static const char * const axg_sd_emmc_clk0_parent_names[] = {
> + "xtal", "fclk_div2", "fclk_div3", "fclk_div5", "fclk_div7",
> +
> + /*
> + * Following these parent clocks, we should also have had mpll2, mpll3
> + * and gp0_pll but these clocks are too precious to be used here. All
> + * the necessary rates for MMC and NAND operation can be acheived using
> + * xtal or fclk_div clocks
> + */
> +};
> +
> +/* SDcard clock */
> +static struct clk_mux axg_sd_emmc_b_clk0_sel = {
> + .reg = (void *)HHI_SD_EMMC_CLK_CNTL,
> + .mask = 0x7,
> + .shift = 25,
> + .lock = &clk_lock,
> + .hw.init = &(struct clk_init_data) {
> + .name = "sd_emmc_b_clk0_sel",
> + .ops = &clk_mux_ops,
> + .parent_names = axg_sd_emmc_clk0_parent_names,
> + .num_parents = ARRAY_SIZE(axg_sd_emmc_clk0_parent_names),
> + .flags = CLK_SET_RATE_PARENT,
> + },
> +};
> +
> +static struct clk_divider axg_sd_emmc_b_clk0_div = {
> + .reg = (void *)HHI_SD_EMMC_CLK_CNTL,
> + .shift = 16,
> + .width = 7,
> + .lock = &clk_lock,
> + .flags = CLK_DIVIDER_ROUND_CLOSEST,
> + .hw.init = &(struct clk_init_data) {
> + .name = "sd_emmc_b_clk0_div",
> + .ops = &clk_divider_ops,
> + .parent_names = (const char *[]){ "sd_emmc_b_clk0_sel" },
> + .num_parents = 1,
> + .flags = CLK_SET_RATE_PARENT,
> + },
> +};
> +
> +static struct clk_gate axg_sd_emmc_b_clk0 = {
> + .reg = (void *)HHI_SD_EMMC_CLK_CNTL,
> + .bit_idx = 23,
> + .lock = &clk_lock,
> + .hw.init = &(struct clk_init_data){
> + .name = "sd_emmc_b_clk0",
> + .ops = &clk_gate_ops,
> + .parent_names = (const char *[]){ "sd_emmc_b_clk0_div" },
> + .num_parents = 1,
> + .flags = CLK_SET_RATE_PARENT,
> + },
> +};
> +
> +/* EMMC/NAND clock */
> +static struct clk_mux axg_sd_emmc_c_clk0_sel = {
> + .reg = (void *)HHI_NAND_CLK_CNTL,
> + .mask = 0x7,
> + .shift = 9,
> + .lock = &clk_lock,
> + .hw.init = &(struct clk_init_data) {
> + .name = "sd_emmc_c_clk0_sel",
> + .ops = &clk_mux_ops,
> + .parent_names = axg_sd_emmc_clk0_parent_names,
> + .num_parents = ARRAY_SIZE(axg_sd_emmc_clk0_parent_names),
> + .flags = CLK_SET_RATE_PARENT,
> + },
> +};
> +
> +static struct clk_divider axg_sd_emmc_c_clk0_div = {
> + .reg = (void *)HHI_NAND_CLK_CNTL,
> + .shift = 0,
> + .width = 7,
> + .lock = &clk_lock,
> + .flags = CLK_DIVIDER_ROUND_CLOSEST,
> + .hw.init = &(struct clk_init_data) {
> + .name = "sd_emmc_c_clk0_div",
> + .ops = &clk_divider_ops,
> + .parent_names = (const char *[]){ "sd_emmc_c_clk0_sel" },
> + .num_parents = 1,
> + .flags = CLK_SET_RATE_PARENT,
> + },
> +};
> +
> +static struct clk_gate axg_sd_emmc_c_clk0 = {
> + .reg = (void *)HHI_NAND_CLK_CNTL,
> + .bit_idx = 7,
> + .lock = &clk_lock,
> + .hw.init = &(struct clk_init_data){
> + .name = "sd_emmc_c_clk0",
> + .ops = &clk_gate_ops,
> + .parent_names = (const char *[]){ "sd_emmc_c_clk0_div" },
> + .num_parents = 1,
> + .flags = CLK_SET_RATE_PARENT,
> + },
> +};
> +
> +/* Everything Else (EE) domain gates */
> +static MESON_GATE(axg_ddr, HHI_GCLK_MPEG0, 0);
> +static MESON_GATE(axg_audio_locker, HHI_GCLK_MPEG0, 2);
> +static MESON_GATE(axg_mipi_dsi_host, HHI_GCLK_MPEG0, 3);
> +static MESON_GATE(axg_isa, HHI_GCLK_MPEG0, 5);
> +static MESON_GATE(axg_pl301, HHI_GCLK_MPEG0, 6);
> +static MESON_GATE(axg_periphs, HHI_GCLK_MPEG0, 7);
> +static MESON_GATE(axg_spicc_0, HHI_GCLK_MPEG0, 8);
> +static MESON_GATE(axg_i2c, HHI_GCLK_MPEG0, 9);
> +static MESON_GATE(axg_rng0, HHI_GCLK_MPEG0, 12);
> +static MESON_GATE(axg_uart0, HHI_GCLK_MPEG0, 13);
> +static MESON_GATE(axg_mipi_dsi_phy, HHI_GCLK_MPEG0, 14);
> +static MESON_GATE(axg_spicc_1, HHI_GCLK_MPEG0, 15);
> +static MESON_GATE(axg_pcie_a, HHI_GCLK_MPEG0, 16);
> +static MESON_GATE(axg_pcie_b, HHI_GCLK_MPEG0, 17);
> +static MESON_GATE(axg_hiu_reg, HHI_GCLK_MPEG0, 19);
> +static MESON_GATE(axg_assist_misc, HHI_GCLK_MPEG0, 23);
> +static MESON_GATE(axg_emmc_b, HHI_GCLK_MPEG0, 25);
> +static MESON_GATE(axg_emmc_c, HHI_GCLK_MPEG0, 26);
> +static MESON_GATE(axg_dma, HHI_GCLK_MPEG0, 27);
> +static MESON_GATE(axg_spi, HHI_GCLK_MPEG0, 30);
> +
> +static MESON_GATE(axg_audio, HHI_GCLK_MPEG1, 0);
> +static MESON_GATE(axg_eth_core, HHI_GCLK_MPEG1, 3);
> +static MESON_GATE(axg_uart1, HHI_GCLK_MPEG1, 16);
> +static MESON_GATE(axg_g2d, HHI_GCLK_MPEG1, 20);
> +static MESON_GATE(axg_usb0, HHI_GCLK_MPEG1, 21);
> +static MESON_GATE(axg_usb1, HHI_GCLK_MPEG1, 22);
> +static MESON_GATE(axg_reset, HHI_GCLK_MPEG1, 23);
> +static MESON_GATE(axg_usb_general, HHI_GCLK_MPEG1, 26);
> +static MESON_GATE(axg_ahb_arb0, HHI_GCLK_MPEG1, 29);
> +static MESON_GATE(axg_efuse, HHI_GCLK_MPEG1, 30);
> +static MESON_GATE(axg_boot_rom, HHI_GCLK_MPEG1, 31);
> +
> +static MESON_GATE(axg_ahb_data_bus, HHI_GCLK_MPEG2, 1);
> +static MESON_GATE(axg_ahb_ctrl_bus, HHI_GCLK_MPEG2, 2);
> +static MESON_GATE(axg_usb1_to_ddr, HHI_GCLK_MPEG2, 8);
> +static MESON_GATE(axg_usb0_to_ddr, HHI_GCLK_MPEG2, 9);
> +static MESON_GATE(axg_mmc_pclk, HHI_GCLK_MPEG2, 11);
> +static MESON_GATE(axg_vpu_intr, HHI_GCLK_MPEG2, 25);
> +static MESON_GATE(axg_sec_ahb_ahb3_bridge, HHI_GCLK_MPEG2, 26);
> +static MESON_GATE(axg_gic, HHI_GCLK_MPEG2, 30);
> +
> +/* Always On (AO) domain gates */
> +
> +static MESON_GATE(axg_ao_media_cpu, HHI_GCLK_AO, 0);
> +static MESON_GATE(axg_ao_ahb_sram, HHI_GCLK_AO, 1);
> +static MESON_GATE(axg_ao_ahb_bus, HHI_GCLK_AO, 2);
> +static MESON_GATE(axg_ao_iface, HHI_GCLK_AO, 3);
> +static MESON_GATE(axg_ao_i2c, HHI_GCLK_AO, 4);
> +
> +/* Array of all clocks provided by this provider */
> +
> +static struct clk_hw_onecell_data axg_hw_onecell_data = {
> + .hws = {
> + [CLKID_SYS_PLL] = &axg_sys_pll.hw,
> + [CLKID_FIXED_PLL] = &axg_fixed_pll.hw,
> + [CLKID_FCLK_DIV2] = &axg_fclk_div2.hw,
> + [CLKID_FCLK_DIV3] = &axg_fclk_div3.hw,
> + [CLKID_FCLK_DIV4] = &axg_fclk_div4.hw,
> + [CLKID_FCLK_DIV5] = &axg_fclk_div5.hw,
> + [CLKID_FCLK_DIV7] = &axg_fclk_div7.hw,
> + [CLKID_GP0_PLL] = &axg_gp0_pll.hw,
> + [CLKID_MPEG_SEL] = &axg_mpeg_clk_sel.hw,
> + [CLKID_MPEG_DIV] = &axg_mpeg_clk_div.hw,
> + [CLKID_CLK81] = &axg_clk81.hw,
> + [CLKID_MPLL0] = &axg_mpll0.hw,
> + [CLKID_MPLL1] = &axg_mpll1.hw,
> + [CLKID_MPLL2] = &axg_mpll2.hw,
> + [CLKID_MPLL3] = &axg_mpll3.hw,
> + [CLKID_DDR] = &axg_ddr.hw,
> + [CLKID_AUDIO_LOCKER] = &axg_audio_locker.hw,
> + [CLKID_MIPI_DSI_HOST] = &axg_mipi_dsi_host.hw,
> + [CLKID_ISA] = &axg_isa.hw,
> + [CLKID_PL301] = &axg_pl301.hw,
> + [CLKID_PERIPHS] = &axg_periphs.hw,
> + [CLKID_SPICC0] = &axg_spicc_0.hw,
> + [CLKID_I2C] = &axg_i2c.hw,
> + [CLKID_RNG0] = &axg_rng0.hw,
> + [CLKID_UART0] = &axg_uart0.hw,
> + [CLKID_MIPI_DSI_PHY] = &axg_mipi_dsi_phy.hw,
> + [CLKID_SPICC1] = &axg_spicc_1.hw,
> + [CLKID_PCIE_A] = &axg_pcie_a.hw,
> + [CLKID_PCIE_B] = &axg_pcie_b.hw,
> + [CLKID_HIU_IFACE] = &axg_hiu_reg.hw,
> + [CLKID_ASSIST_MISC] = &axg_assist_misc.hw,
> + [CLKID_SD_EMMC_B] = &axg_emmc_b.hw,
> + [CLKID_SD_EMMC_C] = &axg_emmc_c.hw,
> + [CLKID_DMA] = &axg_dma.hw,
> + [CLKID_SPI] = &axg_spi.hw,
> + [CLKID_AUDIO] = &axg_audio.hw,
> + [CLKID_ETH] = &axg_eth_core.hw,
> + [CLKID_UART1] = &axg_uart1.hw,
> + [CLKID_G2D] = &axg_g2d.hw,
> + [CLKID_USB0] = &axg_usb0.hw,
> + [CLKID_USB1] = &axg_usb1.hw,
> + [CLKID_RESET] = &axg_reset.hw,
> + [CLKID_USB] = &axg_usb_general.hw,
> + [CLKID_AHB_ARB0] = &axg_ahb_arb0.hw,
> + [CLKID_EFUSE] = &axg_efuse.hw,
> + [CLKID_BOOT_ROM] = &axg_boot_rom.hw,
> + [CLKID_AHB_DATA_BUS] = &axg_ahb_data_bus.hw,
> + [CLKID_AHB_CTRL_BUS] = &axg_ahb_ctrl_bus.hw,
> + [CLKID_USB1_DDR_BRIDGE] = &axg_usb1_to_ddr.hw,
> + [CLKID_USB0_DDR_BRIDGE] = &axg_usb0_to_ddr.hw,
> + [CLKID_MMC_PCLK] = &axg_mmc_pclk.hw,
> + [CLKID_VPU_INTR] = &axg_vpu_intr.hw,
> + [CLKID_SEC_AHB_AHB3_BRIDGE] = &axg_sec_ahb_ahb3_bridge.hw,
> + [CLKID_GIC] = &axg_gic.hw,
> + [CLKID_AO_MEDIA_CPU] = &axg_ao_media_cpu.hw,
> + [CLKID_AO_AHB_SRAM] = &axg_ao_ahb_sram.hw,
> + [CLKID_AO_AHB_BUS] = &axg_ao_ahb_bus.hw,
> + [CLKID_AO_IFACE] = &axg_ao_iface.hw,
> + [CLKID_AO_I2C] = &axg_ao_i2c.hw,
> + [CLKID_SD_EMMC_B_CLK0_SEL] = &axg_sd_emmc_b_clk0_sel.hw,
> + [CLKID_SD_EMMC_B_CLK0_DIV] = &axg_sd_emmc_b_clk0_div.hw,
> + [CLKID_SD_EMMC_B_CLK0] = &axg_sd_emmc_b_clk0.hw,
> + [CLKID_SD_EMMC_C_CLK0_SEL] = &axg_sd_emmc_c_clk0_sel.hw,
> + [CLKID_SD_EMMC_C_CLK0_DIV] = &axg_sd_emmc_c_clk0_div.hw,
> + [CLKID_SD_EMMC_C_CLK0] = &axg_sd_emmc_c_clk0.hw,
> + [NR_CLKS] = NULL,
> + },
> + .num = NR_CLKS,
> +};
> +
> +/* Convenience tables to populate base addresses in .probe */
> +
> +static struct meson_clk_pll *const axg_clk_plls[] = {
> + &axg_fixed_pll,
> + &axg_sys_pll,
> + &axg_gp0_pll,
> +};
> +
> +static struct meson_clk_mpll *const axg_clk_mplls[] = {
> + &axg_mpll0,
> + &axg_mpll1,
> + &axg_mpll2,
> + &axg_mpll3,
> +};
> +
> +static struct clk_gate *const axg_clk_gates[] = {
> + &axg_clk81,
> + &axg_ddr,
> + &axg_audio_locker,
> + &axg_mipi_dsi_host,
> + &axg_isa,
> + &axg_pl301,
> + &axg_periphs,
> + &axg_spicc_0,
> + &axg_i2c,
> + &axg_rng0,
> + &axg_uart0,
> + &axg_mipi_dsi_phy,
> + &axg_spicc_1,
> + &axg_pcie_a,
> + &axg_pcie_b,
> + &axg_hiu_reg,
> + &axg_assist_misc,
> + &axg_emmc_b,
> + &axg_emmc_c,
> + &axg_dma,
> + &axg_spi,
> + &axg_audio,
> + &axg_eth_core,
> + &axg_uart1,
> + &axg_g2d,
> + &axg_usb0,
> + &axg_usb1,
> + &axg_reset,
> + &axg_usb_general,
> + &axg_ahb_arb0,
> + &axg_efuse,
> + &axg_boot_rom,
> + &axg_ahb_data_bus,
> + &axg_ahb_ctrl_bus,
> + &axg_usb1_to_ddr,
> + &axg_usb0_to_ddr,
> + &axg_mmc_pclk,
> + &axg_vpu_intr,
> + &axg_sec_ahb_ahb3_bridge,
> + &axg_gic,
> + &axg_ao_media_cpu,
> + &axg_ao_ahb_sram,
> + &axg_ao_ahb_bus,
> + &axg_ao_iface,
> + &axg_ao_i2c,
> + &axg_sd_emmc_b_clk0,
> + &axg_sd_emmc_c_clk0,
> +};
> +
> +static struct clk_mux *const axg_clk_muxes[] = {
> + &axg_mpeg_clk_sel,
> + &axg_sd_emmc_b_clk0_sel,
> + &axg_sd_emmc_c_clk0_sel,
> +};
> +
> +static struct clk_divider *const axg_clk_dividers[] = {
> + &axg_mpeg_clk_div,
> + &axg_sd_emmc_b_clk0_div,
> + &axg_sd_emmc_c_clk0_div,
> +};
> +
> +struct clkc_data {
> + struct clk_gate *const *clk_gates;
> + unsigned int clk_gates_count;
> + struct meson_clk_mpll *const *clk_mplls;
> + unsigned int clk_mplls_count;
> + struct meson_clk_pll *const *clk_plls;
> + unsigned int clk_plls_count;
> + struct clk_mux *const *clk_muxes;
> + unsigned int clk_muxes_count;
> + struct clk_divider *const *clk_dividers;
> + unsigned int clk_dividers_count;
> + struct clk_hw_onecell_data *hw_onecell_data;
> +};
> +
> +static const struct clkc_data axg_clkc_data = {
> + .clk_gates = axg_clk_gates,
> + .clk_gates_count = ARRAY_SIZE(axg_clk_gates),
> + .clk_mplls = axg_clk_mplls,
> + .clk_mplls_count = ARRAY_SIZE(axg_clk_mplls),
> + .clk_plls = axg_clk_plls,
> + .clk_plls_count = ARRAY_SIZE(axg_clk_plls),
> + .clk_muxes = axg_clk_muxes,
> + .clk_muxes_count = ARRAY_SIZE(axg_clk_muxes),
> + .clk_dividers = axg_clk_dividers,
> + .clk_dividers_count = ARRAY_SIZE(axg_clk_dividers),
> + .hw_onecell_data = &axg_hw_onecell_data,
> +};
> +
> +static const struct of_device_id clkc_match_table[] = {
> + { .compatible = "amlogic,axg-clkc", .data = &axg_clkc_data },
> + {}
> +};
> +
> +static int axg_clkc_probe(struct platform_device *pdev)
> +{
> + struct device *dev = &pdev->dev;
> + const struct clkc_data *clkc_data;
> + struct resource *res;
> + void __iomem *clk_base;
> + int ret, clkid, i;
> +
> + clkc_data = of_device_get_match_data(&pdev->dev);
> + if (!clkc_data)
> + return -EINVAL;
> +
> + /* Generic clocks and PLLs */
> + res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> + clk_base = devm_ioremap_resource(&pdev->dev, res);
Please use here devm_ioremap(&pdev->dev, res->start, resource_size(res))
since the HHI zone is shared with non clock related registers like the
memory power domains controls.
> + if (IS_ERR(clk_base)) {
> + dev_err(&pdev->dev, "Unable to map clk base\n");
> + return -ENXIO;
> + }
> +
> + /* Populate base address for PLLs */
> + for (i = 0; i < clkc_data->clk_plls_count; i++)
> + clkc_data->clk_plls[i]->base = clk_base;
> +
> + /* Populate base address for MPLLs */
> + for (i = 0; i < clkc_data->clk_mplls_count; i++)
> + clkc_data->clk_mplls[i]->base = clk_base;
> +
> + /* Populate base address for gates */
> + for (i = 0; i < clkc_data->clk_gates_count; i++)
> + clkc_data->clk_gates[i]->reg = clk_base +
> + (u64)clkc_data->clk_gates[i]->reg;
> +
> + /* Populate base address for muxes */
> + for (i = 0; i < clkc_data->clk_muxes_count; i++)
> + clkc_data->clk_muxes[i]->reg = clk_base +
> + (u64)clkc_data->clk_muxes[i]->reg;
> +
> + /* Populate base address for dividers */
> + for (i = 0; i < clkc_data->clk_dividers_count; i++)
> + clkc_data->clk_dividers[i]->reg = clk_base +
> + (u64)clkc_data->clk_dividers[i]->reg;
> +
> + for (clkid = 0; clkid < clkc_data->hw_onecell_data->num; clkid++) {
> + /* array might be sparse */
> + if (!clkc_data->hw_onecell_data->hws[clkid])
> + continue;
> +
> + ret = devm_clk_hw_register(dev,
> + clkc_data->hw_onecell_data->hws[clkid]);
> + if (ret) {
> + dev_err(&pdev->dev, "Clock registration failed\n");
> + return ret;
> + }
> + }
> +
> + return of_clk_add_hw_provider(dev->of_node, of_clk_hw_onecell_get,
> + clkc_data->hw_onecell_data);
> +}
> +
> +static struct platform_driver axg_driver = {
> + .probe = axg_clkc_probe,
> + .driver = {
> + .name = "axg-clkc",
> + .of_match_table = clkc_match_table,
> + },
> +};
> +
> +builtin_platform_driver(axg_driver);
> diff --git a/drivers/clk/meson/axg.h b/drivers/clk/meson/axg.h
> new file mode 100644
> index 000000000000..ce0bafdb6b28
> --- /dev/null
> +++ b/drivers/clk/meson/axg.h
> @@ -0,0 +1,126 @@
> +/* SPDX-License-Identifier: (GPL-2.0+ OR MIT) */
> +/*
> + * Copyright (c) 2016 AmLogic, Inc.
> + * Author: Michael Turquette <mturquette at baylibre.com>
> + *
> + * Copyright (c) 2017 Amlogic, inc.
> + * Author: Qiufang Dai <qiufang.dai at amlogic.com>
> + *
> + */
> +#ifndef __AXG_H
> +#define __AXG_H
> +
> +/*
> + * Clock controller register offsets
> + *
> + * Register offsets from the data sheet must be multiplied by 4 before
> + * adding them to the base address to get the right value.
> + */
> +#define HHI_GP0_PLL_CNTL 0x40
> +#define HHI_GP0_PLL_CNTL2 0x44
> +#define HHI_GP0_PLL_CNTL3 0x48
> +#define HHI_GP0_PLL_CNTL4 0x4c
> +#define HHI_GP0_PLL_CNTL5 0x50
> +#define HHI_GP0_PLL_STS 0x54
> +#define HHI_GP0_PLL_CNTL1 0x58
> +#define HHI_HIFI_PLL_CNTL 0x80
> +#define HHI_HIFI_PLL_CNTL2 0x84
> +#define HHI_HIFI_PLL_CNTL3 0x88
> +#define HHI_HIFI_PLL_CNTL4 0x8C
> +#define HHI_HIFI_PLL_CNTL5 0x90
> +#define HHI_HIFI_PLL_STS 0x94
> +#define HHI_HIFI_PLL_CNTL1 0x98
> +
> +#define HHI_XTAL_DIVN_CNTL 0xbc
> +#define HHI_GCLK2_MPEG0 0xc0
> +#define HHI_GCLK2_MPEG1 0xc4
> +#define HHI_GCLK2_MPEG2 0xc8
> +#define HHI_GCLK2_OTHER 0xd0
> +#define HHI_GCLK2_AO 0xd4
> +#define HHI_PCIE_PLL_CNTL 0xd8
> +#define HHI_PCIE_PLL_CNTL1 0xdC
> +#define HHI_PCIE_PLL_CNTL2 0xe0
> +#define HHI_PCIE_PLL_CNTL3 0xe4
> +#define HHI_PCIE_PLL_CNTL4 0xe8
> +#define HHI_PCIE_PLL_CNTL5 0xec
> +#define HHI_PCIE_PLL_CNTL6 0xf0
> +#define HHI_PCIE_PLL_STS 0xf4
> +
> +#define HHI_MEM_PD_REG0 0x100
> +#define HHI_VPU_MEM_PD_REG0 0x104
> +#define HHI_VIID_CLK_DIV 0x128
> +#define HHI_VIID_CLK_CNTL 0x12c
> +
> +#define HHI_GCLK_MPEG0 0x140
> +#define HHI_GCLK_MPEG1 0x144
> +#define HHI_GCLK_MPEG2 0x148
> +#define HHI_GCLK_OTHER 0x150
> +#define HHI_GCLK_AO 0x154
> +#define HHI_SYS_CPU_CLK_CNTL1 0x15c
> +#define HHI_SYS_CPU_RESET_CNTL 0x160
> +#define HHI_VID_CLK_DIV 0x164
> +#define HHI_SPICC_HCLK_CNTL 0x168
> +
> +#define HHI_MPEG_CLK_CNTL 0x174
> +#define HHI_VID_CLK_CNTL 0x17c
> +#define HHI_TS_CLK_CNTL 0x190
> +#define HHI_VID_CLK_CNTL2 0x194
> +#define HHI_SYS_CPU_CLK_CNTL0 0x19c
> +#define HHI_VID_PLL_CLK_DIV 0x1a0
> +#define HHI_VPU_CLK_CNTL 0x1bC
> +
> +#define HHI_VAPBCLK_CNTL 0x1F4
> +
> +#define HHI_GEN_CLK_CNTL 0x228
> +
> +#define HHI_VDIN_MEAS_CLK_CNTL 0x250
> +#define HHI_NAND_CLK_CNTL 0x25C
> +#define HHI_SD_EMMC_CLK_CNTL 0x264
> +
> +#define HHI_MPLL_CNTL 0x280
> +#define HHI_MPLL_CNTL2 0x284
> +#define HHI_MPLL_CNTL3 0x288
> +#define HHI_MPLL_CNTL4 0x28C
> +#define HHI_MPLL_CNTL5 0x290
> +#define HHI_MPLL_CNTL6 0x294
> +#define HHI_MPLL_CNTL7 0x298
> +#define HHI_MPLL_CNTL8 0x29C
> +#define HHI_MPLL_CNTL9 0x2A0
> +#define HHI_MPLL_CNTL10 0x2A4
> +
> +#define HHI_MPLL3_CNTL0 0x2E0
> +#define HHI_MPLL3_CNTL1 0x2E4
> +#define HHI_PLL_TOP_MISC 0x2E8
> +
> +#define HHI_SYS_PLL_CNTL1 0x2FC
> +#define HHI_SYS_PLL_CNTL 0x300
> +#define HHI_SYS_PLL_CNTL2 0x304
> +#define HHI_SYS_PLL_CNTL3 0x308
> +#define HHI_SYS_PLL_CNTL4 0x30c
> +#define HHI_SYS_PLL_CNTL5 0x310
> +#define HHI_SYS_PLL_STS 0x314
> +#define HHI_DPLL_TOP_I 0x318
> +#define HHI_DPLL_TOP2_I 0x31C
> +
> +/*
> + * CLKID index values
> + *
> + * These indices are entirely contrived and do not map onto the hardware.
> + * It has now been decided to expose everything by default in the DT header:
> + * include/dt-bindings/clock/axg-clkc.h. Only the clocks ids we don't want
> + * to expose, such as the internal muxes and dividers of composite clocks,
> + * will remain defined here.
> + */
> +#define CLKID_MPEG_SEL 8
> +#define CLKID_MPEG_DIV 9
> +#define CLKID_SD_EMMC_B_CLK0_SEL 61
> +#define CLKID_SD_EMMC_B_CLK0_DIV 62
> +#define CLKID_SD_EMMC_C_CLK0_SEL 63
> +#define CLKID_SD_EMMC_C_CLK0_DIV 64
> +
> +#define NR_CLKS 65
> +
> +/* include the CLKIDs that have been made part of the DT binding */
> +#include <dt-bindings/clock/axg-clkc.h>
> +
> +#endif /* __AXG_H */
>
Apart the devm_ioremap,
Acked-by: Neil Armstrong <narmstrong at baylibre.com>
More information about the linux-arm-kernel
mailing list