[PATCH 3/6] clk: rockchip: add clock controller for rk1108
Shawn Lin
shawn.lin at rock-chips.com
Thu Nov 3 19:09:07 PDT 2016
Hi Andy,
On 2016/11/3 20:38, Andy Yan wrote:
> From: Shawn Lin <shawn.lin at rock-chips.com>
>
> Add the clock tree definition and driver for rk1108 SoC.
>
We should spilt out another patch for adding clock/rst ID
as it should be in a shared branch. :)
You could respin it after Heiko reviews the other parts of
your patchset.
> Signed-off-by: Shawn Lin <shawn.lin at rock-chips.com>
> Signed-off-by: Andy Yan <andy.yan at rock-chips.com>
> ---
>
> drivers/clk/rockchip/Makefile | 1 +
> drivers/clk/rockchip/clk-rk1108.c | 463 +++++++++++++++++++++++++++++++++
> drivers/clk/rockchip/clk.h | 14 +
> include/dt-bindings/clock/rk1108-cru.h | 308 ++++++++++++++++++++++
> 4 files changed, 786 insertions(+)
> create mode 100644 drivers/clk/rockchip/clk-rk1108.c
> create mode 100644 include/dt-bindings/clock/rk1108-cru.h
>
> diff --git a/drivers/clk/rockchip/Makefile b/drivers/clk/rockchip/Makefile
> index b5f2c8e..16e098c 100644
> --- a/drivers/clk/rockchip/Makefile
> +++ b/drivers/clk/rockchip/Makefile
> @@ -11,6 +11,7 @@ obj-y += clk-mmc-phase.o
> obj-y += clk-ddr.o
> obj-$(CONFIG_RESET_CONTROLLER) += softrst.o
>
> +obj-y += clk-rk1108.o
> obj-y += clk-rk3036.o
> obj-y += clk-rk3188.o
> obj-y += clk-rk3228.o
> diff --git a/drivers/clk/rockchip/clk-rk1108.c b/drivers/clk/rockchip/clk-rk1108.c
> new file mode 100644
> index 0000000..eafc623
> --- /dev/null
> +++ b/drivers/clk/rockchip/clk-rk1108.c
> @@ -0,0 +1,463 @@
> +/*
> + * Copyright (c) 2016 Rockchip Electronics Co. Ltd.
> + * Author: Shawn Lin <shawn.lin at rock-chips.com>
> + * Andy Yan <andy.yan at rock-chips.com>
> + *
> + * This program is free software; you can redistribute it and/or modify
> + * it under the terms of the GNU General Public License as published by
> + * the Free Software Foundation; either version 2 of the License, or
> + * (at your option) any later version.
> + *
> + * This program is distributed in the hope that it will be useful,
> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
> + * GNU General Public License for more details.
> + */
> +
> +#include <linux/clk-provider.h>
> +#include <linux/of.h>
> +#include <linux/of_address.h>
> +#include <linux/syscore_ops.h>
> +#include <dt-bindings/clock/rk1108-cru.h>
> +#include "clk.h"
> +
> +#define RK1108_GRF_SOC_STATUS0 0x480
> +
> +enum rk1108_plls {
> + apll, dpll, gpll,
> +};
> +
> +static struct rockchip_pll_rate_table rk1108_pll_rates[] = {
> + /* _mhz, _refdiv, _fbdiv, _postdiv1, _postdiv2, _dsmpd, _frac */
> + RK3036_PLL_RATE(1608000000, 1, 67, 1, 1, 1, 0),
> + RK3036_PLL_RATE(1584000000, 1, 66, 1, 1, 1, 0),
> + RK3036_PLL_RATE(1560000000, 1, 65, 1, 1, 1, 0),
> + RK3036_PLL_RATE(1536000000, 1, 64, 1, 1, 1, 0),
> + RK3036_PLL_RATE(1512000000, 1, 63, 1, 1, 1, 0),
> + RK3036_PLL_RATE(1488000000, 1, 62, 1, 1, 1, 0),
> + RK3036_PLL_RATE(1464000000, 1, 61, 1, 1, 1, 0),
> + RK3036_PLL_RATE(1440000000, 1, 60, 1, 1, 1, 0),
> + RK3036_PLL_RATE(1416000000, 1, 59, 1, 1, 1, 0),
> + RK3036_PLL_RATE(1392000000, 1, 58, 1, 1, 1, 0),
> + RK3036_PLL_RATE(1368000000, 1, 57, 1, 1, 1, 0),
> + RK3036_PLL_RATE(1344000000, 1, 56, 1, 1, 1, 0),
> + RK3036_PLL_RATE(1320000000, 1, 55, 1, 1, 1, 0),
> + RK3036_PLL_RATE(1296000000, 1, 54, 1, 1, 1, 0),
> + RK3036_PLL_RATE(1272000000, 1, 53, 1, 1, 1, 0),
> + RK3036_PLL_RATE(1248000000, 1, 52, 1, 1, 1, 0),
> + RK3036_PLL_RATE(1200000000, 1, 50, 1, 1, 1, 0),
> + RK3036_PLL_RATE(1188000000, 2, 99, 1, 1, 1, 0),
> + RK3036_PLL_RATE(1104000000, 1, 46, 1, 1, 1, 0),
> + RK3036_PLL_RATE(1100000000, 12, 550, 1, 1, 1, 0),
> + RK3036_PLL_RATE(1008000000, 1, 84, 2, 1, 1, 0),
> + RK3036_PLL_RATE(1000000000, 6, 500, 2, 1, 1, 0),
> + RK3036_PLL_RATE( 984000000, 1, 82, 2, 1, 1, 0),
> + RK3036_PLL_RATE( 960000000, 1, 80, 2, 1, 1, 0),
> + RK3036_PLL_RATE( 936000000, 1, 78, 2, 1, 1, 0),
> + RK3036_PLL_RATE( 912000000, 1, 76, 2, 1, 1, 0),
> + RK3036_PLL_RATE( 900000000, 4, 300, 2, 1, 1, 0),
> + RK3036_PLL_RATE( 888000000, 1, 74, 2, 1, 1, 0),
> + RK3036_PLL_RATE( 864000000, 1, 72, 2, 1, 1, 0),
> + RK3036_PLL_RATE( 840000000, 1, 70, 2, 1, 1, 0),
> + RK3036_PLL_RATE( 816000000, 1, 68, 2, 1, 1, 0),
> + RK3036_PLL_RATE( 800000000, 6, 400, 2, 1, 1, 0),
> + RK3036_PLL_RATE( 700000000, 6, 350, 2, 1, 1, 0),
> + RK3036_PLL_RATE( 696000000, 1, 58, 2, 1, 1, 0),
> + RK3036_PLL_RATE( 600000000, 1, 75, 3, 1, 1, 0),
> + RK3036_PLL_RATE( 594000000, 2, 99, 2, 1, 1, 0),
> + RK3036_PLL_RATE( 504000000, 1, 63, 3, 1, 1, 0),
> + RK3036_PLL_RATE( 500000000, 6, 250, 2, 1, 1, 0),
> + RK3036_PLL_RATE( 408000000, 1, 68, 2, 2, 1, 0),
> + RK3036_PLL_RATE( 312000000, 1, 52, 2, 2, 1, 0),
> + RK3036_PLL_RATE( 216000000, 1, 72, 4, 2, 1, 0),
> + RK3036_PLL_RATE( 96000000, 1, 64, 4, 4, 1, 0),
> + { /* sentinel */ },
> +};
> +
> +
> +#define RK1108_DIV_CORE_MASK 0xf
> +#define RK1108_DIV_CORE_SHIFT 4
> +
> +#define RK1108_CLKSEL0(_core_peri_div) \
> + { \
> + .reg = RK1108_CLKSEL_CON(1), \
> + .val = HIWORD_UPDATE(_core_peri_div, RK1108_DIV_CORE_MASK, \
> + RK1108_DIV_CORE_SHIFT) \
> + }
> +
> +#define RK1108_CPUCLK_RATE(_prate, _core_peri_div) \
> + { \
> + .prate = _prate, \
> + .divs = { \
> + RK1108_CLKSEL0(_core_peri_div), \
> + }, \
> + }
> +
> +static struct rockchip_cpuclk_rate_table rk1108_cpuclk_rates[] __initdata = {
> + RK1108_CPUCLK_RATE(816000000, 4),
> + RK1108_CPUCLK_RATE(600000000, 4),
> + RK1108_CPUCLK_RATE(312000000, 4),
> +};
> +
> +static const struct rockchip_cpuclk_reg_data rk1108_cpuclk_data = {
> + .core_reg = RK1108_CLKSEL_CON(0),
> + .div_core_shift = 0,
> + .div_core_mask = 0x1f,
> + .mux_core_alt = 1,
> + .mux_core_main = 0,
> + .mux_core_shift = 8,
> + .mux_core_mask = 0x1,
> +};
> +
> +PNAME(mux_pll_p) = { "xin24m", "xin24m"};
> +
> +PNAME(mux_ddrphy_p) = { "dpll_ddr", "gpll_ddr", "apll_ddr" };
> +PNAME(mux_armclk_p) = { "apll_core", "gpll_core", "dpll_core" };
> +PNAME(mux_pmu_1f) = { "xin24m", "pmu_24m"};
> +PNAME(mux_usb480m_phy_p) = { "usb480m_phy0", "usb480m_phy1" };
> +PNAME(mux_usb480m_p) = { "usb480m_phy", "xin24m" };
> +PNAME(mux_hdmiphy_p) = { "hdmiphy_phy", "pclk_top_pre", "xin24m" };
> +
> +PNAME(mux_pll_src_4plls_p) = { "dpll", "hdmiphy", "gpll", "usb480m" };
> +PNAME(mux_pll_src_3plls_p) = { "apll", "gpll", "dpll" };
> +PNAME(mux_pll_src_2plls_p) = { "dpll", "gpll" };
> +
> +PNAME(mux_aclk_peri_src_p) = { "aclk_peri_src_dpll", "aclk_peri_src_gpll" };
> +PNAME(mux_aclk_bus_src_p) = { "aclk_bus_src_gpll", "aclk_bus_src_apll", "aclk_bus_src_dpll" };
> +
> +PNAME(mux_mmc_src_p) = { "dpll", "gpll", "xin24m", "usb480m" };
> +PNAME(mux_pll_src_dpll_gpll_usb480m_p) = { "dpll", "gpll", "usb480m" };
> +
> +
> +PNAME(mux_uart0_p) = { "uart0_src", "uart0_frac", "xin24m" };
> +PNAME(mux_uart1_p) = { "uart1_src", "uart1_frac", "xin24m" };
> +PNAME(mux_uart2_p) = { "uart2_src", "uart2_frac", "xin24m" };
> +
> +
> +static struct rockchip_pll_clock rk1108_pll_clks[] __initdata = {
> + [apll] = PLL(pll_rk3399, RK1108_APLL_ID, "apll", mux_pll_p, 0, RK1108_PLL_CON(0),
> + RK1108_PLL_CON(3), 8, 31, 0, rk1108_pll_rates),
> + [dpll] = PLL(pll_rk3399, RK1108_DPLL_ID, "dpll", mux_pll_p, 0, RK1108_PLL_CON(8),
> + RK1108_PLL_CON(11), 8, 31, 0, NULL),
> + [gpll] = PLL(pll_rk3399, RK1108_GPLL_ID, "gpll", mux_pll_p, 0, RK1108_PLL_CON(16),
> + RK1108_PLL_CON(19), 8, 31, ROCKCHIP_PLL_SYNC_RATE, rk1108_pll_rates),
> +};
> +
> +#define MFLAGS CLK_MUX_HIWORD_MASK
> +#define DFLAGS CLK_DIVIDER_HIWORD_MASK
> +#define GFLAGS (CLK_GATE_HIWORD_MASK | CLK_GATE_SET_TO_DISABLE)
> +
> +
> +static struct rockchip_clk_branch rk1108_uart0_fracmux __initdata =
> + MUX(SCLK_UART0, "sclk_uart0", mux_uart0_p, CLK_SET_RATE_PARENT,
> + RK1108_CLKSEL_CON(13), 8, 2, MFLAGS);
> +
> +static struct rockchip_clk_branch rk1108_uart1_fracmux __initdata =
> + MUX(SCLK_UART1, "sclk_uart1", mux_uart1_p, CLK_SET_RATE_PARENT,
> + RK1108_CLKSEL_CON(14), 8, 2, MFLAGS);
> +
> +static struct rockchip_clk_branch rk1108_uart2_fracmux __initdata =
> + MUX(SCLK_UART2, "sclk_uart2", mux_uart2_p, CLK_SET_RATE_PARENT,
> + RK1108_CLKSEL_CON(15), 8, 2, MFLAGS);
> +
> +static struct rockchip_clk_branch rk1108_clk_branches[] __initdata = {
> + /*
> + * Clock-Architecture Diagram 2
> + */
> +
> + /* PD_CORE */
> + GATE(0, "dpll_core", "dpll", CLK_IGNORE_UNUSED,
> + RK1108_CLKGATE_CON(0), 1, GFLAGS),
> + GATE(0, "apll_core", "apll", CLK_IGNORE_UNUSED,
> + RK1108_CLKGATE_CON(0), 0, GFLAGS),
> + GATE(0, "gpll_core", "gpll", CLK_IGNORE_UNUSED,
> + RK1108_CLKGATE_CON(0), 2, GFLAGS),
> + COMPOSITE_NOMUX(0, "pclken_dbg", "armclk", CLK_IGNORE_UNUSED,
> + RK1108_CLKSEL_CON(1), 4, 4, DFLAGS | CLK_DIVIDER_READ_ONLY,
> + RK1108_CLKGATE_CON(0), 5, GFLAGS),
> + COMPOSITE_NOMUX(ACLK_ENMCORE, "aclkenm_core", "armclk", CLK_IGNORE_UNUSED,
> + RK1108_CLKSEL_CON(1), 0, 3, DFLAGS | CLK_DIVIDER_READ_ONLY,
> + RK1108_CLKGATE_CON(0), 4, GFLAGS),
> + GATE(ACLK_CORE, "aclk_core", "aclkenm_core", CLK_IGNORE_UNUSED,
> + RK1108_CLKGATE_CON(11), 0, GFLAGS),
> + GATE(0, "pclk_dbg", "pclken_dbg", CLK_IGNORE_UNUSED,
> + RK1108_CLKGATE_CON(11), 1, GFLAGS),
> +
> + /* PD_RKVENC */
> +
> + /* PD_RKVDEC */
> +
> + /* PD_PMU_wrapper */
> + COMPOSITE_NOMUX(0, "pmu_24m_ena", "gpll", CLK_IGNORE_UNUSED,
> + RK1108_CLKSEL_CON(38), 0, 5, DFLAGS,
> + RK1108_CLKGATE_CON(8), 12, GFLAGS),
> + GATE(0, "pmu", "pmu_24m_ena", CLK_IGNORE_UNUSED,
> + RK1108_CLKGATE_CON(10), 0, GFLAGS),
> + GATE(0, "intmem1", "pmu_24m_ena", CLK_IGNORE_UNUSED,
> + RK1108_CLKGATE_CON(10), 1, GFLAGS),
> + GATE(0, "gpio0_pmu", "pmu_24m_ena", CLK_IGNORE_UNUSED,
> + RK1108_CLKGATE_CON(10), 2, GFLAGS),
> + GATE(0, "pmugrf", "pmu_24m_ena", CLK_IGNORE_UNUSED,
> + RK1108_CLKGATE_CON(10), 3, GFLAGS),
> + GATE(0, "pmu_noc", "pmu_24m_ena", CLK_IGNORE_UNUSED,
> + RK1108_CLKGATE_CON(10), 4, GFLAGS),
> + GATE(0, "i2c0_pmu_pclk", "pmu_24m_ena", CLK_IGNORE_UNUSED,
> + RK1108_CLKGATE_CON(10), 5, GFLAGS),
> + GATE(0, "pwm0_pmu_pclk", "pmu_24m_ena", CLK_IGNORE_UNUSED,
> + RK1108_CLKGATE_CON(10), 6, GFLAGS),
> + COMPOSITE(0, "pwm0_pmu_clk", mux_pll_src_2plls_p, CLK_IGNORE_UNUSED,
> + RK1108_CLKSEL_CON(12), 7, 1, MFLAGS, 0, 7, DFLAGS,
> + RK1108_CLKGATE_CON(8), 15, GFLAGS),
> + COMPOSITE(0, "i2c0_pmu_clk", mux_pll_src_2plls_p, CLK_IGNORE_UNUSED,
> + RK1108_CLKSEL_CON(19), 7, 1, MFLAGS, 0, 7, DFLAGS,
> + RK1108_CLKGATE_CON(8), 14, GFLAGS),
> + GATE(0, "pvtm_pmu", "xin24m", CLK_IGNORE_UNUSED,
> + RK1108_CLKGATE_CON(8), 13, GFLAGS),
> +
> +
> +
> + /*
> + * Clock-Architecture Diagram 4
> + */
> + COMPOSITE(0, "aclk_vio0_2wrap_occ", mux_pll_src_4plls_p, CLK_IGNORE_UNUSED,
> + RK1108_CLKSEL_CON(28), 6, 2, MFLAGS, 0, 5, DFLAGS,
> + RK1108_CLKGATE_CON(6), 0, GFLAGS),
> + GATE(0, "aclk_vio0_pre", "aclk_vio0_2wrap_occ", CLK_IGNORE_UNUSED,
> + RK1108_CLKGATE_CON(17), 0, GFLAGS),
> + COMPOSITE_NOMUX(0, "hclk_vio_pre", "aclk_vio0_pre", 0,
> + RK1108_CLKSEL_CON(29), 0, 5, DFLAGS,
> + RK1108_CLKGATE_CON(7), 2, GFLAGS),
> + COMPOSITE_NOMUX(0, "pclk_vio_pre", "aclk_vio0_pre", 0,
> + RK1108_CLKSEL_CON(29), 8, 5, DFLAGS,
> + RK1108_CLKGATE_CON(7), 3, GFLAGS),
> +
> +
> + /*
> + * Clock-Architecture Diagram 5
> + */
> +
> + /* PD_BUS */
> + GATE(0, "aclk_bus_src_gpll", "gpll", CLK_IGNORE_UNUSED,
> + RK1108_CLKGATE_CON(1), 0, GFLAGS),
> + GATE(0, "aclk_bus_src_apll", "apll", CLK_IGNORE_UNUSED,
> + RK1108_CLKGATE_CON(1), 1, GFLAGS),
> + GATE(0, "aclk_bus_src_dpll", "dpll", CLK_IGNORE_UNUSED,
> + RK1108_CLKGATE_CON(1), 2, GFLAGS),
> + COMPOSITE_NOGATE(ACLK_PRE, "aclk_bus_pre", mux_aclk_bus_src_p, 0,
> + RK1108_CLKSEL_CON(2), 8, 2, MFLAGS, 0, 5, DFLAGS),
> + COMPOSITE_NOMUX(0, "hclk_bus_pre", "aclk_bus_2wrap_occ", 0,
> + RK1108_CLKSEL_CON(3), 0, 5, DFLAGS,
> + RK1108_CLKGATE_CON(1), 4, GFLAGS),
> + COMPOSITE_NOMUX(0, "pclken_bus", "aclk_bus_2wrap_occ", 0,
> + RK1108_CLKSEL_CON(3), 8, 5, DFLAGS,
> + RK1108_CLKGATE_CON(1), 5, GFLAGS),
> + GATE(0, "pclk_bus_pre", "pclken_bus", CLK_IGNORE_UNUSED,
> + RK1108_CLKGATE_CON(1), 6, GFLAGS),
> + GATE(0, "pclk_top_pre", "pclken_bus", CLK_IGNORE_UNUSED,
> + RK1108_CLKGATE_CON(1), 7, GFLAGS),
> + GATE(0, "pclk_ddr_pre", "pclken_bus", CLK_IGNORE_UNUSED,
> + RK1108_CLKGATE_CON(1), 8, GFLAGS),
> + GATE(0, "clk_timer0", "mux_pll_p", CLK_IGNORE_UNUSED,
> + RK1108_CLKGATE_CON(1), 9, GFLAGS),
> + GATE(0, "clk_timer1", "mux_pll_p", CLK_IGNORE_UNUSED,
> + RK1108_CLKGATE_CON(1), 10, GFLAGS),
> + GATE(0, "pclk_timer", "pclk_bus_pre", CLK_IGNORE_UNUSED,
> + RK1108_CLKGATE_CON(13), 4, GFLAGS),
> +
> + COMPOSITE(0, "uart0_src", mux_pll_src_dpll_gpll_usb480m_p, CLK_IGNORE_UNUSED,
> + RK1108_CLKSEL_CON(13), 12, 2, MFLAGS, 0, 7, DFLAGS,
> + RK1108_CLKGATE_CON(3), 1, GFLAGS),
> + COMPOSITE(0, "uart1_src", mux_pll_src_dpll_gpll_usb480m_p, CLK_IGNORE_UNUSED,
> + RK1108_CLKSEL_CON(14), 12, 2, MFLAGS, 0, 7, DFLAGS,
> + RK1108_CLKGATE_CON(3), 3, GFLAGS),
> + COMPOSITE(0, "uart21_src", mux_pll_src_dpll_gpll_usb480m_p, CLK_IGNORE_UNUSED,
> + RK1108_CLKSEL_CON(15), 12, 2, MFLAGS, 0, 7, DFLAGS,
> + RK1108_CLKGATE_CON(3), 5, GFLAGS),
> +
> + COMPOSITE_FRACMUX(0, "uart0_frac", "uart0_src", CLK_SET_RATE_PARENT,
> + RK1108_CLKSEL_CON(16), 0,
> + RK1108_CLKGATE_CON(3), 2, GFLAGS,
> + &rk1108_uart0_fracmux),
> + COMPOSITE_FRACMUX(0, "uart1_frac", "uart1_src", CLK_SET_RATE_PARENT,
> + RK1108_CLKSEL_CON(17), 0,
> + RK1108_CLKGATE_CON(3), 4, GFLAGS,
> + &rk1108_uart1_fracmux),
> + COMPOSITE_FRACMUX(0, "uart2_frac", "uart2_src", CLK_SET_RATE_PARENT,
> + RK1108_CLKSEL_CON(18), 0,
> + RK1108_CLKGATE_CON(3), 6, GFLAGS,
> + &rk1108_uart2_fracmux),
> + GATE(PCLK_UART0, "pclk_uart0", "pclk_bus_pre", CLK_IGNORE_UNUSED,
> + RK1108_CLKGATE_CON(13), 10, GFLAGS),
> + GATE(PCLK_UART1, "pclk_uart1", "pclk_bus_pre", CLK_IGNORE_UNUSED,
> + RK1108_CLKGATE_CON(13), 11, GFLAGS),
> + GATE(PCLK_UART2, "pclk_uart2", "pclk_bus_pre", CLK_IGNORE_UNUSED,
> + RK1108_CLKGATE_CON(13), 12, GFLAGS),
> +
> +
> + COMPOSITE(0, "clk_i2c1", mux_pll_src_2plls_p, CLK_IGNORE_UNUSED,
> + RK1108_CLKSEL_CON(19), 15, 2, MFLAGS, 8, 7, DFLAGS,
> + RK1108_CLKGATE_CON(3), 7, GFLAGS),
> + COMPOSITE(0, "clk_i2c2", mux_pll_src_2plls_p, CLK_IGNORE_UNUSED,
> + RK1108_CLKSEL_CON(20), 7, 2, MFLAGS, 0, 7, DFLAGS,
> + RK1108_CLKGATE_CON(3), 8, GFLAGS),
> + COMPOSITE(0, "clk_i2c3", mux_pll_src_2plls_p, CLK_IGNORE_UNUSED,
> + RK1108_CLKSEL_CON(20), 15, 2, MFLAGS, 8, 7, DFLAGS,
> + RK1108_CLKGATE_CON(3), 9, GFLAGS),
> + GATE(0, "pclk_i2c1", "pclk_bus_pre", CLK_IGNORE_UNUSED,
> + RK1108_CLKGATE_CON(13), 0, GFLAGS),
> + GATE(0, "pclk_i2c2", "pclk_bus_pre", CLK_IGNORE_UNUSED,
> + RK1108_CLKGATE_CON(13), 1, GFLAGS),
> + GATE(0, "pclk_i2c3", "pclk_bus_pre", CLK_IGNORE_UNUSED,
> + RK1108_CLKGATE_CON(13), 2, GFLAGS),
> + COMPOSITE(0, "clk_pwm1", mux_pll_src_2plls_p, CLK_IGNORE_UNUSED,
> + RK1108_CLKSEL_CON(12), 15, 2, MFLAGS, 8, 7, DFLAGS,
> + RK1108_CLKGATE_CON(3), 10, GFLAGS),
> + GATE(0, "pclk_pwm1", "pclk_bus_pre", CLK_IGNORE_UNUSED,
> + RK1108_CLKGATE_CON(13), 6, GFLAGS),
> + GATE(0, "pclk_wdt", "pclk_bus_pre", CLK_IGNORE_UNUSED,
> + RK1108_CLKGATE_CON(13), 3, GFLAGS),
> + GATE(0, "pclk_gpio1", "pclk_bus_pre", CLK_IGNORE_UNUSED,
> + RK1108_CLKGATE_CON(13), 7, GFLAGS),
> + GATE(0, "pclk_gpio2", "pclk_bus_pre", CLK_IGNORE_UNUSED,
> + RK1108_CLKGATE_CON(13), 8, GFLAGS),
> + GATE(0, "pclk_gpio3", "pclk_bus_pre", CLK_IGNORE_UNUSED,
> + RK1108_CLKGATE_CON(13), 9, GFLAGS),
> +
> + GATE(0, "pclk_grf", "pclk_bus_pre", CLK_IGNORE_UNUSED,
> + RK1108_CLKGATE_CON(14), 0, GFLAGS),
> +
> + GATE(ACLK_DMAC, "aclk_dmac", "aclk_bus_pre", 0,
> + RK1108_CLKGATE_CON(12), 2, GFLAGS),
> + GATE(0, "hclk_rom", "hclk_bus_pre", CLK_IGNORE_UNUSED,
> + RK1108_CLKGATE_CON(12), 3, GFLAGS),
> + GATE(0, "aclk_intmem", "aclk_bus_pre", CLK_IGNORE_UNUSED,
> + RK1108_CLKGATE_CON(12), 1, GFLAGS),
> +
> + /* PD_DDR */
> + GATE(0, "apll_ddr", "apll", CLK_IGNORE_UNUSED,
> + RK1108_CLKGATE_CON(0), 8, GFLAGS),
> + GATE(0, "dpll_ddr", "dpll", CLK_IGNORE_UNUSED,
> + RK1108_CLKGATE_CON(0), 9, GFLAGS),
> + GATE(0, "gpll_ddr", "gpll", CLK_IGNORE_UNUSED,
> + RK1108_CLKGATE_CON(0), 10, GFLAGS),
> + COMPOSITE(0, "ddrphy4x", mux_ddrphy_p, CLK_IGNORE_UNUSED,
> + RK1108_CLKSEL_CON(4), 8, 2, MFLAGS, 0, 3, DFLAGS | CLK_DIVIDER_POWER_OF_TWO,
> + RK1108_CLKGATE_CON(10), 9, GFLAGS),
> + GATE(0, "ddrupctl", "ddrphy_pre", CLK_IGNORE_UNUSED,
> + RK1108_CLKGATE_CON(12), 4, GFLAGS),
> + GATE(0, "ddrc", "ddrphy", CLK_IGNORE_UNUSED,
> + RK1108_CLKGATE_CON(12), 5, GFLAGS),
> + GATE(0, "ddrmon", "ddrphy_pre", CLK_IGNORE_UNUSED,
> + RK1108_CLKGATE_CON(12), 6, GFLAGS),
> + GATE(0, "timer_clk", "xin24m", CLK_IGNORE_UNUSED,
> + RK1108_CLKGATE_CON(0), 11, GFLAGS),
> +
> + /*
> + * Clock-Architecture Diagram 6
> + */
> +
> + /* PD_PERI */
> + COMPOSITE_NOMUX(0, "pclk_periph_pre", "gpll", 0,
> + RK1108_CLKSEL_CON(23), 10, 5, DFLAGS,
> + RK1108_CLKGATE_CON(4), 5, GFLAGS),
> + GATE(0, "pclk_periph", "pclk_periph_pre", CLK_IGNORE_UNUSED,
> + RK1108_CLKGATE_CON(15), 13, GFLAGS),
> + COMPOSITE_NOMUX(0, "hclk_periph_pre", "gpll", 0,
> + RK1108_CLKSEL_CON(23), 5, 5, DFLAGS,
> + RK1108_CLKGATE_CON(4), 4, GFLAGS),
> + GATE(0, "hclk_periph", "hclk_periph_pre", CLK_IGNORE_UNUSED,
> + RK1108_CLKGATE_CON(15), 12, GFLAGS),
> +
> + GATE(0, "aclk_peri_src_dpll", "dpll", CLK_IGNORE_UNUSED,
> + RK1108_CLKGATE_CON(4), 1, GFLAGS),
> + GATE(0, "aclk_peri_src_gpll", "gpll", CLK_IGNORE_UNUSED,
> + RK1108_CLKGATE_CON(4), 2, GFLAGS),
> + COMPOSITE(0, "aclk_periph", mux_aclk_peri_src_p, CLK_IGNORE_UNUSED,
> + RK1108_CLKSEL_CON(23), 15, 2, MFLAGS, 0, 5, DFLAGS,
> + RK1108_CLKGATE_CON(15), 11, GFLAGS),
> +
> + COMPOSITE(SCLK_SDMMC, "sclk_sdmmc0", mux_mmc_src_p, 0,
> + RK1108_CLKSEL_CON(25), 8, 2, MFLAGS, 0, 8, DFLAGS,
> + RK1108_CLKGATE_CON(5), 0, GFLAGS),
> +
> + COMPOSITE_NODIV(0, "sclk_sdio_src", mux_mmc_src_p, 0,
> + RK1108_CLKSEL_CON(25), 10, 2, MFLAGS,
> + RK1108_CLKGATE_CON(5), 2, GFLAGS),
> + DIV(SCLK_SDIO, "sclk_sdio", "sclk_sdio_src", 0,
> + RK1108_CLKSEL_CON(26), 0, 8, DFLAGS),
> +
> + COMPOSITE_NODIV(0, "sclk_emmc_src", mux_mmc_src_p, 0,
> + RK1108_CLKSEL_CON(25), 12, 2, MFLAGS,
> + RK1108_CLKGATE_CON(5), 1, GFLAGS),
> + DIV(SCLK_EMMC, "sclk_emmc", "sclk_emmc_src", 0,
> + RK2928_CLKSEL_CON(26), 8, 8, DFLAGS),
> + GATE(HCLK_SDMMC, "hclk_sdmmc", "hclk_periph", 0, RK1108_CLKGATE_CON(15), 0, GFLAGS),
> + GATE(HCLK_SDIO, "hclk_sdio", "hclk_periph", 0, RK1108_CLKGATE_CON(15), 1, GFLAGS),
> + GATE(HCLK_EMMC, "hclk_emmc", "hclk_periph", 0, RK1108_CLKGATE_CON(15), 2, GFLAGS),
> +
> + COMPOSITE(SCLK_NANDC, "sclk_nandc", mux_pll_src_2plls_p, 0,
> + RK1108_CLKSEL_CON(27), 14, 2, MFLAGS, 8, 5, DFLAGS,
> + RK1108_CLKGATE_CON(5), 3, GFLAGS),
> + GATE(HCLK_NANDC, "hclk_nandc", "hclk_periph", 0, RK1108_CLKGATE_CON(15), 3, GFLAGS),
> +
> + COMPOSITE(SCLK_SFC, "sclk_sfc", mux_pll_src_2plls_p, 0,
> + RK1108_CLKSEL_CON(27), 7, 2, MFLAGS, 0, 7, DFLAGS,
> + RK1108_CLKGATE_CON(5), 4, GFLAGS),
> + GATE(HCLK_SFC, "hclk_sfc", "hclk_periph", 0, RK1108_CLKGATE_CON(15), 10, GFLAGS),
> + MMC(SCLK_SDMMC_DRV, "sdmmc_drv", "sclk_sdmmc", RK1108_SDMMC_CON0, 1),
> + MMC(SCLK_SDMMC_SAMPLE, "sdmmc_sample", "sclk_sdmmc", RK1108_SDMMC_CON1, 1),
> +
> + MMC(SCLK_SDIO_DRV, "sdio_drv", "sclk_sdio", RK1108_SDIO_CON0, 1),
> + MMC(SCLK_SDIO_SAMPLE, "sdio_sample", "sclk_sdio", RK1108_SDIO_CON1, 1),
> +
> + MMC(SCLK_EMMC_DRV, "emmc_drv", "sclk_emmc", RK1108_EMMC_CON0, 1),
> + MMC(SCLK_EMMC_SAMPLE, "emmc_sample", "sclk_emmc", RK1108_EMMC_CON1, 1),
> +};
> +
> +static const char *const rk1108_critical_clocks[] __initconst = {
> + "aclk_core",
> + "aclk_bus_src_gpll",
> + "aclk_periph",
> + "hclk_periph",
> + "pclk_periph",
> +};
> +
> +static void __init rk1108_clk_init(struct device_node *np)
> +{
> + struct rockchip_clk_provider *ctx;
> + void __iomem *reg_base;
> +
> + reg_base = of_iomap(np, 0);
> + if (!reg_base) {
> + pr_err("%s: could not map cru region\n", __func__);
> + return;
> + }
> +
> + ctx = rockchip_clk_init(np, reg_base, CLK_NR_CLKS);
> + if (IS_ERR(ctx)) {
> + pr_err("%s: rockchip clk init failed\n", __func__);
> + iounmap(reg_base);
> + return;
> + }
> +
> + rockchip_clk_register_plls(ctx, rk1108_pll_clks,
> + ARRAY_SIZE(rk1108_pll_clks),
> + RK1108_GRF_SOC_STATUS0);
> + rockchip_clk_register_branches(ctx, rk1108_clk_branches,
> + ARRAY_SIZE(rk1108_clk_branches));
> + rockchip_clk_protect_critical(rk1108_critical_clocks,
> + ARRAY_SIZE(rk1108_critical_clocks));
> +
> + rockchip_clk_register_armclk(ctx, RK1108_ARMCLK, "armclk",
> + mux_armclk_p, ARRAY_SIZE(mux_armclk_p),
> + &rk1108_cpuclk_data, rk1108_cpuclk_rates,
> + ARRAY_SIZE(rk1108_cpuclk_rates));
> +
> + rockchip_register_softrst(np, 13, reg_base + RK1108_SOFTRST_CON(0),
> + ROCKCHIP_SOFTRST_HIWORD_MASK);
> +
> + rockchip_register_restart_notifier(ctx, RK1108_GLB_SRST_FST, NULL);
> +
> + rockchip_clk_of_add_provider(np, ctx);
> +}
> +CLK_OF_DECLARE(rk1108_cru, "rockchip,rk1108-cru", rk1108_clk_init);
> diff --git a/drivers/clk/rockchip/clk.h b/drivers/clk/rockchip/clk.h
> index 1653edd..90c580a 100644
> --- a/drivers/clk/rockchip/clk.h
> +++ b/drivers/clk/rockchip/clk.h
> @@ -34,6 +34,20 @@ struct clk;
> #define HIWORD_UPDATE(val, mask, shift) \
> ((val) << (shift) | (mask) << ((shift) + 16))
>
> +/* register positions shared by RK1108, RK2928, RK3036, RK3066, RK3188 and RK3228 */
> +#define RK1108_PLL_CON(x) ((x) * 0x4)
> +#define RK1108_CLKSEL_CON(x) ((x) * 0x4 + 0x60)
> +#define RK1108_CLKGATE_CON(x) ((x) * 0x4 + 0x120)
> +#define RK1108_SOFTRST_CON(x) ((x) * 0x4 + 0x180)
> +#define RK1108_GLB_SRST_FST 0x1c0
> +#define RK1108_GLB_SRST_SND 0x1c4
> +#define RK1108_SDMMC_CON0 0x1d8
> +#define RK1108_SDMMC_CON1 0x1dc
> +#define RK1108_SDIO_CON0 0x1e0
> +#define RK1108_SDIO_CON1 0x1e4
> +#define RK1108_EMMC_CON0 0x1e8
> +#define RK1108_EMMC_CON1 0x1ec
> +
> #define RK2928_PLL_CON(x) ((x) * 0x4)
> #define RK2928_MODE_CON 0x40
> #define RK2928_CLKSEL_CON(x) ((x) * 0x4 + 0x44)
> diff --git a/include/dt-bindings/clock/rk1108-cru.h b/include/dt-bindings/clock/rk1108-cru.h
> new file mode 100644
> index 0000000..e731cc8
> --- /dev/null
> +++ b/include/dt-bindings/clock/rk1108-cru.h
> @@ -0,0 +1,308 @@
> +/*
> + * Copyright (c) 2016 Rockchip Electronics Co. Ltd.
> + * Author:
> + *
> + * This program is free software; you can redistribute it and/or modify
> + * it under the terms of the GNU General Public License as published by
> + * the Free Software Foundation; either version 2 of the License, or
> + * (at your option) any later version.
> + *
> + * This program is distributed in the hope that it will be useful,
> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
> + * GNU General Public License for more details.
> + */
> +
> +#ifndef _DT_BINDINGS_CLK_ROCKCHIP_RK1108_H
> +#define _DT_BINDINGS_CLK_ROCKCHIP_RK1108_H
> +
> +/* pll id */
> +#define RK1108_APLL_ID 0
> +#define RK1108_DPLL_ID 1
> +#define RK1108_GPLL_ID 2
> +#define RK1108_ARMCLK 3
> +#define RK1108_END_PLL_ID 4
> +
> +/* sclk gates (special clocks) */
> +#define SCLK_SPI0 65
> +#define SCLK_NANDC 67
> +#define SCLK_SDMMC 68
> +#define SCLK_SDIO 69
> +#define SCLK_EMMC 71
> +#define SCLK_UART0 72
> +#define SCLK_UART1 73
> +#define SCLK_UART2 74
> +#define SCLK_I2S0 75
> +#define SCLK_I2S1 76
> +#define SCLK_I2S2 77
> +#define SCLK_TIMER0 78
> +#define SCLK_TIMER1 79
> +#define SCLK_SFC 80
> +#define SCLK_SDMMC_DRV 81
> +#define SCLK_SDIO_DRV 82
> +#define SCLK_EMMC_DRV 83
> +#define SCLK_SDMMC_SAMPLE 84
> +#define SCLK_SDIO_SAMPLE 85
> +#define SCLK_EMMC_SAMPLE 86
> +
> +/* aclk gates */
> +#define ACLK_DMAC 251
> +#define ACLK_PRE 252
> +#define ACLK_CORE 253
> +#define ACLK_ENMCORE 254
> +
> +/* pclk gates */
> +#define PCLK_GPIO1 321
> +#define PCLK_GPIO2 322
> +#define PCLK_GPIO3 323
> +#define PCLK_GRF 329
> +#define PCLK_I2C1 333
> +#define PCLK_I2C2 334
> +#define PCLK_I2C3 335
> +#define PCLK_SPI 338
> +#define PCLK_SFC 339
> +#define PCLK_UART0 341
> +#define PCLK_UART1 342
> +#define PCLK_UART2 343
> +#define PCLK_TSADC 344
> +#define PCLK_PWM 350
> +#define PCLK_TIMER 353
> +#define PCLK_PERI 363
> +
> +/* hclk gates */
> +#define HCLK_I2S0_8CH 442
> +#define HCLK_I2S1_8CH 443
> +#define HCLK_I2S2_2CH 444
> +#define HCLK_NANDC 453
> +#define HCLK_SDMMC 456
> +#define HCLK_SDIO 457
> +#define HCLK_EMMC 459
> +#define HCLK_PERI 478
> +#define HCLK_SFC 479
> +
> +#define CLK_NR_CLKS (HCLK_SFC + 1)
> +
> +/* reset id */
> +#define SRST_CORE_PO_AD 0
> +#define SRST_CORE_AD 1
> +#define SRST_L2_AD 2
> +#define SRST_CPU_NIU_AD 3
> +#define SRST_CORE_PO 4
> +#define SRST_CORE 5
> +#define SRST_L2 6
> +#define RST_0RES7 7
> +#define SRST_CORE_DBG 8
> +#define PRST_DBG 9
> +#define RST_DAP 10
> +#define PRST_DBG_NIU 11
> +#define RST_0RES12 12
> +#define RST_0RES13 13
> +#define RST_0RES14 14
> +#define ARST_STRC_SYS_AD 15
> +
> +#define SRST_DDRPHY_CLKDIV 16
> +#define SRST_DDRPHY 17
> +#define PRST_DDRPHY 18
> +#define PRST_HDMIPHY 19
> +#define PRST_VDACPHY 20
> +#define PRST_VADCPHY 21
> +#define PRST_MIPI_CSI_PHY 22
> +#define PRST_MIPI_DSI_PHY 23
> +#define PRST_ACODEC 24
> +#define ARST_BUS_NIU 25
> +#define PRST_TOP_NIU 26
> +#define ARST_INTMEM 27
> +#define HRST_ROM 28
> +#define ARST_DMAC 29
> +#define SRST_MSCH_NIU 30
> +#define PRST_MSCH_NIU 31
> +
> +#define PRST_DDRUPCTL 32
> +#define NRST_DDRUPCTL 33
> +#define PRST_DDRMON 34
> +#define HRST_I2S0_8CH 35
> +#define MRST_I2S0_8CH 36
> +#define HRST_I2S1_2CH 37
> +#define MRST_IS21_2CH 38
> +#define HRST_I2S2_2CH 39
> +#define MRST_I2S2_2CH 40
> +#define HRST_CRYPTO 41
> +#define SRST_CRYPTO 42
> +#define PRST_SPI 43
> +#define SRST_SPI 44
> +#define PRST_UART0 45
> +#define PRST_UART1 46
> +#define PRST_UART2 47
> +
> +#define SRST_UART0 48
> +#define SRST_UART1 49
> +#define SRST_UART2 50
> +#define PRST_I2C1 51
> +#define PRST_I2C2 52
> +#define PRST_I2C3 53
> +#define SRST_I2C1 54
> +#define SRST_I2C2 55
> +#define SRST_I2C3 56
> +#define RST_3RES9 57
> +#define PRST_PWM1 58
> +#define RST_3RES11 59
> +#define SRST_PWM1 60
> +#define PRST_WDT 61
> +#define PRST_GPIO1 62
> +#define PRST_GPIO2 63
> +
> +#define PRST_GPIO3 64
> +#define PRST_GRF 65
> +#define PRST_EFUSE 66
> +#define PRST_EFUSE512 67
> +#define PRST_TIMER0 68
> +#define SRST_TIMER0 69
> +#define SRST_TIMER1 70
> +#define PRST_TSADC 71
> +#define SRST_TSADC 72
> +#define PRST_SARADC 73
> +#define SRST_SARADC 74
> +#define HRST_SYSBUS 75
> +#define PRST_USBGRF 76
> +#define RST_4RES13 77
> +#define RST_4RES14 78
> +#define RST_4RES15 79
> +
> +#define ARST_PERIPH_NIU 80
> +#define HRST_PERIPH_NIU 81
> +#define PRST_PERIPH_NIU 82
> +#define HRST_PERIPH 83
> +#define HRST_SDMMC 84
> +#define HRST_SDIO 85
> +#define HRST_EMMC 86
> +#define HRST_NANDC 87
> +#define NRST_NANDC 88
> +#define HRST_SFC 89
> +#define SRST_SFC 90
> +#define ARST_GMAC 91
> +#define HRST_OTG 92
> +#define SRST_OTG 93
> +#define SRST_OTG_ADP 94
> +#define HRST_HOST0 95
> +
> +#define HRST_HOST0_AUX 96
> +#define HRST_HOST0_ARB 97
> +#define SRST_HOST0_EHCIPHY 98
> +#define SRST_HOST0_UTMI 99
> +#define SRST_USBPOR 100
> +#define SRST_UTMI0 101
> +#define SRST_UTMI1 102
> +#define RST_6RES7 103
> +#define RST_6RES8 104
> +#define RST_6RES9 105
> +#define RST_6RES10 106
> +#define RST_6RES11 107
> +#define RST_6RES12 108
> +#define RST_6RES13 109
> +#define RST_6RES14 110
> +#define RST_6RES15 101
> +
> +#define ARST_VIO0_NIU 102
> +#define ARST_VIO1_NIU 103
> +#define HRST_VIO_NIU 104
> +#define PRST_VIO_NIU 105
> +#define ARST_VOP 106
> +#define HRST_VOP 107
> +#define DRST_VOP 108
> +#define ARST_IEP 109
> +#define HRST_IEP 110
> +#define ARST_RGA 111
> +#define HRST_RGA 112
> +#define SRST_RGA 113
> +#define PRST_CVBS 114
> +#define PRST_HDMI 115
> +#define SRST_HDMI 116
> +#define PRST_MIPI_DSI 117
> +
> +#define ARST_ISP_NIU 118
> +#define HRST_ISP_NIU 119
> +#define HRST_ISP 120
> +#define SRST_ISP 121
> +#define ARST_VIP0 122
> +#define HRST_VIP0 123
> +#define PRST_VIP0 124
> +#define ARST_VIP1 125
> +#define HRST_VIP1 126
> +#define PRST_VIP1 127
> +#define ARST_VIP2 128
> +#define HRST_VIP2 129
> +#define PRST_VIP2 120
> +#define ARST_VIP3 121
> +#define HRST_VIP3 122
> +#define PRST_VIP4 123
> +
> +#define PRST_CIF1TO4 124
> +#define SRST_CVBS_CLK 125
> +#define HRST_CVBS 126
> +#define RST_9RES3 127
> +#define RST_9RES4 128
> +#define RST_9RES5 129
> +#define RST_9RES6 130
> +#define RST_9RES7 131
> +#define RST_9RES8 132
> +#define RST_9RES9 133
> +#define RST_9RES10 134
> +#define RST_9RES11 134
> +#define RST_9RES12 136
> +#define RST_9RES13 137
> +#define RST_9RES14 138
> +#define RST_9RES15 139
> +
> +#define ARST_VPU_NIU 140
> +#define HRST_VPU_NIU 141
> +#define ARST_VPU 142
> +#define HRST_VPU 143
> +#define ARST_RKVDEC_NIU 144
> +#define HRST_RKVDEC_NIU 145
> +#define ARST_RKVDEC 146
> +#define HRST_RKVDEC 147
> +#define SRST_RKVDEC_CABAC 148
> +#define SRST_RKVDEC_CORE 149
> +#define ARST_RKVENC_NIU 150
> +#define HRST_RKVENC_NIU 151
> +#define ARST_RKVENC 152
> +#define HRST_RKVENC 153
> +#define SRST_RKVENC_CORE 154
> +#define RST_10RES15 155
> +
> +#define SRST_DSP_CORE 156
> +#define SRST_DSP_SYS 157
> +#define SRST_DSP_GLOBAL 158
> +#define SRST_DSP_OECM 159
> +#define PRST_DSP_IOP_NIU 160
> +#define ARST_DSP_EPP_NIU 161
> +#define ARST_DSP_EDP_NIU 162
> +#define PRST_DSP_DBG_NIU 163
> +#define PRST_DSP_CFG_NIU 164
> +#define PRST_DSP_GRF 165
> +#define PRST_DSP_MAILBOX 166
> +#define PRST_DSP_INTC 167
> +#define RST_11RES12 168
> +#define PRST_DSP_PFM_MON 169
> +#define SRST_DSP_PFM_MON 170
> +#define ARST_DSP_EDAP_NIU 171
> +
> +#define SRST_PMU 172
> +#define SRST_PMU_I2C0 173
> +#define PRST_PMU_I2C0 174
> +#define PRST_PMU_GPIO0 175
> +#define PRST_PMU_INTMEM 176
> +#define PRST_PMU_PWM0 177
> +#define SRST_PMU_PWM0 178
> +#define PRST_PMU_GRF 179
> +#define SRST_PMU_NIU 180
> +#define SRST_PMU_PVTM 181
> +#define RST_12RES10 182
> +#define RST_12RES11 183
> +#define ARST_DSP_EDP_PERF 184
> +#define ARST_DSP_EPP_PERF 185
> +#define RST_12RES114 186
> +#define RST_12RES15 187
> +
> +#endif /* _DT_BINDINGS_CLK_ROCKCHIP_RK1108_H */
> +
>
--
Best Regards
Shawn Lin
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