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|
// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2021 Dávid Virág <virag.david003@gmail.com>
* Author: Dávid Virág <virag.david003@gmail.com>
*
* Common Clock Framework support for Exynos7885 SoC.
*/
#include <linux/clk.h>
#include <linux/clk-provider.h>
#include <linux/of.h>
#include <linux/of_device.h>
#include <linux/platform_device.h>
#include <dt-bindings/clock/exynos7885.h>
#include "clk.h"
#include "clk-exynos-arm64.h"
/* ---- CMU_TOP ------------------------------------------------------------- */
/* Register Offset definitions for CMU_TOP (0x12060000) */
#define PLL_LOCKTIME_PLL_SHARED0 0x0000
#define PLL_LOCKTIME_PLL_SHARED1 0x0004
#define PLL_CON0_PLL_SHARED0 0x0100
#define PLL_CON0_PLL_SHARED1 0x0120
#define CLK_CON_MUX_MUX_CLKCMU_CORE_BUS 0x1014
#define CLK_CON_MUX_MUX_CLKCMU_CORE_CCI 0x1018
#define CLK_CON_MUX_MUX_CLKCMU_CORE_G3D 0x101c
#define CLK_CON_MUX_MUX_CLKCMU_PERI_BUS 0x1058
#define CLK_CON_MUX_MUX_CLKCMU_PERI_SPI0 0x105c
#define CLK_CON_MUX_MUX_CLKCMU_PERI_SPI1 0x1060
#define CLK_CON_MUX_MUX_CLKCMU_PERI_UART0 0x1064
#define CLK_CON_MUX_MUX_CLKCMU_PERI_UART1 0x1068
#define CLK_CON_MUX_MUX_CLKCMU_PERI_UART2 0x106c
#define CLK_CON_MUX_MUX_CLKCMU_PERI_USI0 0x1070
#define CLK_CON_MUX_MUX_CLKCMU_PERI_USI1 0x1074
#define CLK_CON_MUX_MUX_CLKCMU_PERI_USI2 0x1078
#define CLK_CON_DIV_CLKCMU_CORE_BUS 0x181c
#define CLK_CON_DIV_CLKCMU_CORE_CCI 0x1820
#define CLK_CON_DIV_CLKCMU_CORE_G3D 0x1824
#define CLK_CON_DIV_CLKCMU_PERI_BUS 0x1874
#define CLK_CON_DIV_CLKCMU_PERI_SPI0 0x1878
#define CLK_CON_DIV_CLKCMU_PERI_SPI1 0x187c
#define CLK_CON_DIV_CLKCMU_PERI_UART0 0x1880
#define CLK_CON_DIV_CLKCMU_PERI_UART1 0x1884
#define CLK_CON_DIV_CLKCMU_PERI_UART2 0x1888
#define CLK_CON_DIV_CLKCMU_PERI_USI0 0x188c
#define CLK_CON_DIV_CLKCMU_PERI_USI1 0x1890
#define CLK_CON_DIV_CLKCMU_PERI_USI2 0x1894
#define CLK_CON_DIV_PLL_SHARED0_DIV2 0x189c
#define CLK_CON_DIV_PLL_SHARED0_DIV3 0x18a0
#define CLK_CON_DIV_PLL_SHARED0_DIV4 0x18a4
#define CLK_CON_DIV_PLL_SHARED0_DIV5 0x18a8
#define CLK_CON_DIV_PLL_SHARED1_DIV2 0x18ac
#define CLK_CON_DIV_PLL_SHARED1_DIV3 0x18b0
#define CLK_CON_DIV_PLL_SHARED1_DIV4 0x18b4
#define CLK_CON_GAT_GATE_CLKCMUC_PERI_UART1 0x2004
#define CLK_CON_GAT_GATE_CLKCMU_CORE_BUS 0x201c
#define CLK_CON_GAT_GATE_CLKCMU_CORE_CCI 0x2020
#define CLK_CON_GAT_GATE_CLKCMU_CORE_G3D 0x2024
#define CLK_CON_GAT_GATE_CLKCMU_PERI_BUS 0x207c
#define CLK_CON_GAT_GATE_CLKCMU_PERI_SPI0 0x2080
#define CLK_CON_GAT_GATE_CLKCMU_PERI_SPI1 0x2084
#define CLK_CON_GAT_GATE_CLKCMU_PERI_UART0 0x2088
#define CLK_CON_GAT_GATE_CLKCMU_PERI_UART2 0x208c
#define CLK_CON_GAT_GATE_CLKCMU_PERI_USI0 0x2090
#define CLK_CON_GAT_GATE_CLKCMU_PERI_USI1 0x2094
#define CLK_CON_GAT_GATE_CLKCMU_PERI_USI2 0x2098
static const unsigned long top_clk_regs[] __initconst = {
PLL_LOCKTIME_PLL_SHARED0,
PLL_LOCKTIME_PLL_SHARED1,
PLL_CON0_PLL_SHARED0,
PLL_CON0_PLL_SHARED1,
CLK_CON_MUX_MUX_CLKCMU_CORE_BUS,
CLK_CON_MUX_MUX_CLKCMU_CORE_CCI,
CLK_CON_MUX_MUX_CLKCMU_CORE_G3D,
CLK_CON_MUX_MUX_CLKCMU_PERI_BUS,
CLK_CON_MUX_MUX_CLKCMU_PERI_SPI0,
CLK_CON_MUX_MUX_CLKCMU_PERI_SPI1,
CLK_CON_MUX_MUX_CLKCMU_PERI_UART0,
CLK_CON_MUX_MUX_CLKCMU_PERI_UART1,
CLK_CON_MUX_MUX_CLKCMU_PERI_UART2,
CLK_CON_MUX_MUX_CLKCMU_PERI_USI0,
CLK_CON_MUX_MUX_CLKCMU_PERI_USI1,
CLK_CON_MUX_MUX_CLKCMU_PERI_USI2,
CLK_CON_DIV_CLKCMU_CORE_BUS,
CLK_CON_DIV_CLKCMU_CORE_CCI,
CLK_CON_DIV_CLKCMU_CORE_G3D,
CLK_CON_DIV_CLKCMU_PERI_BUS,
CLK_CON_DIV_CLKCMU_PERI_SPI0,
CLK_CON_DIV_CLKCMU_PERI_SPI1,
CLK_CON_DIV_CLKCMU_PERI_UART0,
CLK_CON_DIV_CLKCMU_PERI_UART1,
CLK_CON_DIV_CLKCMU_PERI_UART2,
CLK_CON_DIV_CLKCMU_PERI_USI0,
CLK_CON_DIV_CLKCMU_PERI_USI1,
CLK_CON_DIV_CLKCMU_PERI_USI2,
CLK_CON_DIV_PLL_SHARED0_DIV2,
CLK_CON_DIV_PLL_SHARED0_DIV3,
CLK_CON_DIV_PLL_SHARED0_DIV4,
CLK_CON_DIV_PLL_SHARED0_DIV5,
CLK_CON_DIV_PLL_SHARED1_DIV2,
CLK_CON_DIV_PLL_SHARED1_DIV3,
CLK_CON_DIV_PLL_SHARED1_DIV4,
CLK_CON_GAT_GATE_CLKCMUC_PERI_UART1,
CLK_CON_GAT_GATE_CLKCMU_CORE_BUS,
CLK_CON_GAT_GATE_CLKCMU_CORE_CCI,
CLK_CON_GAT_GATE_CLKCMU_CORE_G3D,
CLK_CON_GAT_GATE_CLKCMU_PERI_BUS,
CLK_CON_GAT_GATE_CLKCMU_PERI_SPI0,
CLK_CON_GAT_GATE_CLKCMU_PERI_SPI1,
CLK_CON_GAT_GATE_CLKCMU_PERI_UART0,
CLK_CON_GAT_GATE_CLKCMU_PERI_UART2,
CLK_CON_GAT_GATE_CLKCMU_PERI_USI0,
CLK_CON_GAT_GATE_CLKCMU_PERI_USI1,
CLK_CON_GAT_GATE_CLKCMU_PERI_USI2,
};
static const struct samsung_pll_clock top_pll_clks[] __initconst = {
PLL(pll_1417x, CLK_FOUT_SHARED0_PLL, "fout_shared0_pll", "oscclk",
PLL_LOCKTIME_PLL_SHARED0, PLL_CON0_PLL_SHARED0,
NULL),
PLL(pll_1417x, CLK_FOUT_SHARED1_PLL, "fout_shared1_pll", "oscclk",
PLL_LOCKTIME_PLL_SHARED1, PLL_CON0_PLL_SHARED1,
NULL),
};
/* List of parent clocks for Muxes in CMU_TOP: for CMU_CORE */
PNAME(mout_core_bus_p) = { "dout_shared0_div2", "dout_shared1_div2",
"dout_shared0_div3", "dout_shared0_div3" };
PNAME(mout_core_cci_p) = { "dout_shared0_div2", "dout_shared1_div2",
"dout_shared0_div3", "dout_shared0_div3" };
PNAME(mout_core_g3d_p) = { "dout_shared0_div2", "dout_shared1_div2",
"dout_shared0_div3", "dout_shared0_div3" };
/* List of parent clocks for Muxes in CMU_TOP: for CMU_PERI */
PNAME(mout_peri_bus_p) = { "dout_shared0_div4", "dout_shared1_div4" };
PNAME(mout_peri_spi0_p) = { "oscclk", "dout_shared0_div4" };
PNAME(mout_peri_spi1_p) = { "oscclk", "dout_shared0_div4" };
PNAME(mout_peri_uart0_p) = { "oscclk", "dout_shared0_div4" };
PNAME(mout_peri_uart1_p) = { "oscclk", "dout_shared0_div4" };
PNAME(mout_peri_uart2_p) = { "oscclk", "dout_shared0_div4" };
PNAME(mout_peri_usi0_p) = { "oscclk", "dout_shared0_div4" };
PNAME(mout_peri_usi1_p) = { "oscclk", "dout_shared0_div4" };
PNAME(mout_peri_usi2_p) = { "oscclk", "dout_shared0_div4" };
static const struct samsung_mux_clock top_mux_clks[] __initconst = {
/* CORE */
MUX(CLK_MOUT_CORE_BUS, "mout_core_bus", mout_core_bus_p,
CLK_CON_MUX_MUX_CLKCMU_CORE_BUS, 0, 2),
MUX(CLK_MOUT_CORE_CCI, "mout_core_cci", mout_core_cci_p,
CLK_CON_MUX_MUX_CLKCMU_CORE_CCI, 0, 2),
MUX(CLK_MOUT_CORE_G3D, "mout_core_g3d", mout_core_g3d_p,
CLK_CON_MUX_MUX_CLKCMU_CORE_G3D, 0, 2),
/* PERI */
MUX(CLK_MOUT_PERI_BUS, "mout_peri_bus", mout_peri_bus_p,
CLK_CON_MUX_MUX_CLKCMU_PERI_BUS, 0, 1),
MUX(CLK_MOUT_PERI_SPI0, "mout_peri_spi0", mout_peri_spi0_p,
CLK_CON_MUX_MUX_CLKCMU_PERI_SPI0, 0, 1),
MUX(CLK_MOUT_PERI_SPI1, "mout_peri_spi1", mout_peri_spi1_p,
CLK_CON_MUX_MUX_CLKCMU_PERI_SPI1, 0, 1),
MUX(CLK_MOUT_PERI_UART0, "mout_peri_uart0", mout_peri_uart0_p,
CLK_CON_MUX_MUX_CLKCMU_PERI_UART0, 0, 1),
MUX(CLK_MOUT_PERI_UART1, "mout_peri_uart1", mout_peri_uart1_p,
CLK_CON_MUX_MUX_CLKCMU_PERI_UART1, 0, 1),
MUX(CLK_MOUT_PERI_UART2, "mout_peri_uart2", mout_peri_uart2_p,
CLK_CON_MUX_MUX_CLKCMU_PERI_UART2, 0, 1),
MUX(CLK_MOUT_PERI_USI0, "mout_peri_usi0", mout_peri_usi0_p,
CLK_CON_MUX_MUX_CLKCMU_PERI_USI0, 0, 1),
MUX(CLK_MOUT_PERI_USI1, "mout_peri_usi1", mout_peri_usi1_p,
CLK_CON_MUX_MUX_CLKCMU_PERI_USI1, 0, 1),
MUX(CLK_MOUT_PERI_USI2, "mout_peri_usi2", mout_peri_usi2_p,
CLK_CON_MUX_MUX_CLKCMU_PERI_USI2, 0, 1),
};
static const struct samsung_div_clock top_div_clks[] __initconst = {
/* TOP */
DIV(CLK_DOUT_SHARED0_DIV2, "dout_shared0_div2", "fout_shared0_pll",
CLK_CON_DIV_PLL_SHARED0_DIV2, 0, 1),
DIV(CLK_DOUT_SHARED0_DIV3, "dout_shared0_div3", "fout_shared0_pll",
CLK_CON_DIV_PLL_SHARED0_DIV3, 0, 2),
DIV(CLK_DOUT_SHARED0_DIV4, "dout_shared0_div4", "fout_shared0_pll",
CLK_CON_DIV_PLL_SHARED0_DIV4, 0, 1),
DIV(CLK_DOUT_SHARED0_DIV5, "dout_shared0_div5", "fout_shared0_pll",
CLK_CON_DIV_PLL_SHARED0_DIV5, 0, 3),
DIV(CLK_DOUT_SHARED1_DIV2, "dout_shared1_div2", "fout_shared1_pll",
CLK_CON_DIV_PLL_SHARED1_DIV2, 0, 1),
DIV(CLK_DOUT_SHARED1_DIV3, "dout_shared1_div3", "fout_shared1_pll",
CLK_CON_DIV_PLL_SHARED1_DIV3, 0, 2),
DIV(CLK_DOUT_SHARED1_DIV4, "dout_shared1_div4", "fout_shared1_pll",
CLK_CON_DIV_PLL_SHARED1_DIV4, 0, 1),
/* CORE */
DIV(CLK_DOUT_CORE_BUS, "dout_core_bus", "gout_core_bus",
CLK_CON_DIV_CLKCMU_CORE_BUS, 0, 3),
DIV(CLK_DOUT_CORE_CCI, "dout_core_cci", "gout_core_cci",
CLK_CON_DIV_CLKCMU_CORE_CCI, 0, 3),
DIV(CLK_DOUT_CORE_G3D, "dout_core_g3d", "gout_core_g3d",
CLK_CON_DIV_CLKCMU_CORE_G3D, 0, 3),
/* PERI */
DIV(CLK_DOUT_PERI_BUS, "dout_peri_bus", "gout_peri_bus",
CLK_CON_DIV_CLKCMU_PERI_BUS, 0, 4),
DIV(CLK_DOUT_PERI_SPI0, "dout_peri_spi0", "gout_peri_spi0",
CLK_CON_DIV_CLKCMU_PERI_SPI0, 0, 6),
DIV(CLK_DOUT_PERI_SPI1, "dout_peri_spi1", "gout_peri_spi1",
CLK_CON_DIV_CLKCMU_PERI_SPI1, 0, 6),
DIV(CLK_DOUT_PERI_UART0, "dout_peri_uart0", "gout_peri_uart0",
CLK_CON_DIV_CLKCMU_PERI_UART0, 0, 4),
DIV(CLK_DOUT_PERI_UART1, "dout_peri_uart1", "gout_peri_uart1",
CLK_CON_DIV_CLKCMU_PERI_UART1, 0, 4),
DIV(CLK_DOUT_PERI_UART2, "dout_peri_uart2", "gout_peri_uart2",
CLK_CON_DIV_CLKCMU_PERI_UART2, 0, 4),
DIV(CLK_DOUT_PERI_USI0, "dout_peri_usi0", "gout_peri_usi0",
CLK_CON_DIV_CLKCMU_PERI_USI0, 0, 4),
DIV(CLK_DOUT_PERI_USI1, "dout_peri_usi1", "gout_peri_usi1",
CLK_CON_DIV_CLKCMU_PERI_USI1, 0, 4),
DIV(CLK_DOUT_PERI_USI2, "dout_peri_usi2", "gout_peri_usi2",
CLK_CON_DIV_CLKCMU_PERI_USI2, 0, 4),
};
static const struct samsung_gate_clock top_gate_clks[] __initconst = {
/* CORE */
GATE(CLK_GOUT_CORE_BUS, "gout_core_bus", "mout_core_bus",
CLK_CON_GAT_GATE_CLKCMU_CORE_BUS, 21, 0, 0),
GATE(CLK_GOUT_CORE_CCI, "gout_core_cci", "mout_core_cci",
CLK_CON_GAT_GATE_CLKCMU_CORE_CCI, 21, 0, 0),
GATE(CLK_GOUT_CORE_G3D, "gout_core_g3d", "mout_core_g3d",
CLK_CON_GAT_GATE_CLKCMU_CORE_G3D, 21, 0, 0),
/* PERI */
GATE(CLK_GOUT_PERI_BUS, "gout_peri_bus", "mout_peri_bus",
CLK_CON_GAT_GATE_CLKCMU_PERI_BUS, 21, 0, 0),
GATE(CLK_GOUT_PERI_SPI0, "gout_peri_spi0", "mout_peri_spi0",
CLK_CON_GAT_GATE_CLKCMU_PERI_SPI0, 21, 0, 0),
GATE(CLK_GOUT_PERI_SPI1, "gout_peri_spi1", "mout_peri_spi1",
CLK_CON_GAT_GATE_CLKCMU_PERI_SPI1, 21, 0, 0),
GATE(CLK_GOUT_PERI_UART0, "gout_peri_uart0", "mout_peri_uart0",
CLK_CON_GAT_GATE_CLKCMU_PERI_UART0, 21, 0, 0),
GATE(CLK_GOUT_PERI_UART1, "gout_peri_uart1", "mout_peri_uart1",
CLK_CON_GAT_GATE_CLKCMUC_PERI_UART1, 21, 0, 0),
GATE(CLK_GOUT_PERI_UART2, "gout_peri_uart2", "mout_peri_uart2",
CLK_CON_GAT_GATE_CLKCMU_PERI_UART2, 21, 0, 0),
GATE(CLK_GOUT_PERI_USI0, "gout_peri_usi0", "mout_peri_usi0",
CLK_CON_GAT_GATE_CLKCMU_PERI_USI0, 21, 0, 0),
GATE(CLK_GOUT_PERI_USI1, "gout_peri_usi1", "mout_peri_usi1",
CLK_CON_GAT_GATE_CLKCMU_PERI_USI1, 21, 0, 0),
GATE(CLK_GOUT_PERI_USI2, "gout_peri_usi2", "mout_peri_usi2",
CLK_CON_GAT_GATE_CLKCMU_PERI_USI2, 21, 0, 0),
};
static const struct samsung_cmu_info top_cmu_info __initconst = {
.pll_clks = top_pll_clks,
.nr_pll_clks = ARRAY_SIZE(top_pll_clks),
.mux_clks = top_mux_clks,
.nr_mux_clks = ARRAY_SIZE(top_mux_clks),
.div_clks = top_div_clks,
.nr_div_clks = ARRAY_SIZE(top_div_clks),
.gate_clks = top_gate_clks,
.nr_gate_clks = ARRAY_SIZE(top_gate_clks),
.nr_clk_ids = TOP_NR_CLK,
.clk_regs = top_clk_regs,
.nr_clk_regs = ARRAY_SIZE(top_clk_regs),
};
static void __init exynos7885_cmu_top_init(struct device_node *np)
{
exynos_arm64_register_cmu(NULL, np, &top_cmu_info);
}
/* Register CMU_TOP early, as it's a dependency for other early domains */
CLK_OF_DECLARE(exynos7885_cmu_top, "samsung,exynos7885-cmu-top",
exynos7885_cmu_top_init);
/* ---- CMU_PERI ------------------------------------------------------------ */
/* Register Offset definitions for CMU_PERI (0x10010000) */
#define PLL_CON0_MUX_CLKCMU_PERI_BUS_USER 0x0100
#define PLL_CON0_MUX_CLKCMU_PERI_SPI0_USER 0x0120
#define PLL_CON0_MUX_CLKCMU_PERI_SPI1_USER 0x0140
#define PLL_CON0_MUX_CLKCMU_PERI_UART0_USER 0x0160
#define PLL_CON0_MUX_CLKCMU_PERI_UART1_USER 0x0180
#define PLL_CON0_MUX_CLKCMU_PERI_UART2_USER 0x01a0
#define PLL_CON0_MUX_CLKCMU_PERI_USI0_USER 0x01c0
#define PLL_CON0_MUX_CLKCMU_PERI_USI1_USER 0x01e0
#define PLL_CON0_MUX_CLKCMU_PERI_USI2_USER 0x0200
#define CLK_CON_GAT_GOUT_PERI_GPIO_TOP_PCLK 0x2024
#define CLK_CON_GAT_GOUT_PERI_HSI2C_0_PCLK 0x2028
#define CLK_CON_GAT_GOUT_PERI_HSI2C_1_PCLK 0x202c
#define CLK_CON_GAT_GOUT_PERI_HSI2C_2_PCLK 0x2030
#define CLK_CON_GAT_GOUT_PERI_HSI2C_3_PCLK 0x2034
#define CLK_CON_GAT_GOUT_PERI_I2C_0_PCLK 0x2038
#define CLK_CON_GAT_GOUT_PERI_I2C_1_PCLK 0x203c
#define CLK_CON_GAT_GOUT_PERI_I2C_2_PCLK 0x2040
#define CLK_CON_GAT_GOUT_PERI_I2C_3_PCLK 0x2044
#define CLK_CON_GAT_GOUT_PERI_I2C_4_PCLK 0x2048
#define CLK_CON_GAT_GOUT_PERI_I2C_5_PCLK 0x204c
#define CLK_CON_GAT_GOUT_PERI_I2C_6_PCLK 0x2050
#define CLK_CON_GAT_GOUT_PERI_I2C_7_PCLK 0x2054
#define CLK_CON_GAT_GOUT_PERI_PWM_MOTOR_PCLK 0x2058
#define CLK_CON_GAT_GOUT_PERI_SPI_0_PCLK 0x205c
#define CLK_CON_GAT_GOUT_PERI_SPI_0_EXT_CLK 0x2060
#define CLK_CON_GAT_GOUT_PERI_SPI_1_PCLK 0x2064
#define CLK_CON_GAT_GOUT_PERI_SPI_1_EXT_CLK 0x2068
#define CLK_CON_GAT_GOUT_PERI_UART_0_EXT_UCLK 0x206c
#define CLK_CON_GAT_GOUT_PERI_UART_0_PCLK 0x2070
#define CLK_CON_GAT_GOUT_PERI_UART_1_EXT_UCLK 0x2074
#define CLK_CON_GAT_GOUT_PERI_UART_1_PCLK 0x2078
#define CLK_CON_GAT_GOUT_PERI_UART_2_EXT_UCLK 0x207c
#define CLK_CON_GAT_GOUT_PERI_UART_2_PCLK 0x2080
#define CLK_CON_GAT_GOUT_PERI_USI0_PCLK 0x2084
#define CLK_CON_GAT_GOUT_PERI_USI0_SCLK 0x2088
#define CLK_CON_GAT_GOUT_PERI_USI1_PCLK 0x208c
#define CLK_CON_GAT_GOUT_PERI_USI1_SCLK 0x2090
#define CLK_CON_GAT_GOUT_PERI_USI2_PCLK 0x2094
#define CLK_CON_GAT_GOUT_PERI_USI2_SCLK 0x2098
#define CLK_CON_GAT_GOUT_PERI_MCT_PCLK 0x20a0
#define CLK_CON_GAT_GOUT_PERI_SYSREG_PERI_PCLK 0x20b0
#define CLK_CON_GAT_GOUT_PERI_WDT_CLUSTER0_PCLK 0x20b4
#define CLK_CON_GAT_GOUT_PERI_WDT_CLUSTER1_PCLK 0x20b8
static const unsigned long peri_clk_regs[] __initconst = {
PLL_CON0_MUX_CLKCMU_PERI_BUS_USER,
PLL_CON0_MUX_CLKCMU_PERI_SPI0_USER,
PLL_CON0_MUX_CLKCMU_PERI_SPI1_USER,
PLL_CON0_MUX_CLKCMU_PERI_UART0_USER,
PLL_CON0_MUX_CLKCMU_PERI_UART1_USER,
PLL_CON0_MUX_CLKCMU_PERI_UART2_USER,
PLL_CON0_MUX_CLKCMU_PERI_USI0_USER,
PLL_CON0_MUX_CLKCMU_PERI_USI1_USER,
PLL_CON0_MUX_CLKCMU_PERI_USI2_USER,
CLK_CON_GAT_GOUT_PERI_GPIO_TOP_PCLK,
CLK_CON_GAT_GOUT_PERI_HSI2C_0_PCLK,
CLK_CON_GAT_GOUT_PERI_HSI2C_1_PCLK,
CLK_CON_GAT_GOUT_PERI_HSI2C_2_PCLK,
CLK_CON_GAT_GOUT_PERI_HSI2C_3_PCLK,
CLK_CON_GAT_GOUT_PERI_I2C_0_PCLK,
CLK_CON_GAT_GOUT_PERI_I2C_1_PCLK,
CLK_CON_GAT_GOUT_PERI_I2C_2_PCLK,
CLK_CON_GAT_GOUT_PERI_I2C_3_PCLK,
CLK_CON_GAT_GOUT_PERI_I2C_4_PCLK,
CLK_CON_GAT_GOUT_PERI_I2C_5_PCLK,
CLK_CON_GAT_GOUT_PERI_I2C_6_PCLK,
CLK_CON_GAT_GOUT_PERI_I2C_7_PCLK,
CLK_CON_GAT_GOUT_PERI_PWM_MOTOR_PCLK,
CLK_CON_GAT_GOUT_PERI_SPI_0_PCLK,
CLK_CON_GAT_GOUT_PERI_SPI_0_EXT_CLK,
CLK_CON_GAT_GOUT_PERI_SPI_1_PCLK,
CLK_CON_GAT_GOUT_PERI_SPI_1_EXT_CLK,
CLK_CON_GAT_GOUT_PERI_UART_0_EXT_UCLK,
CLK_CON_GAT_GOUT_PERI_UART_0_PCLK,
CLK_CON_GAT_GOUT_PERI_UART_1_EXT_UCLK,
CLK_CON_GAT_GOUT_PERI_UART_1_PCLK,
CLK_CON_GAT_GOUT_PERI_UART_2_EXT_UCLK,
CLK_CON_GAT_GOUT_PERI_UART_2_PCLK,
CLK_CON_GAT_GOUT_PERI_USI0_PCLK,
CLK_CON_GAT_GOUT_PERI_USI0_SCLK,
CLK_CON_GAT_GOUT_PERI_USI1_PCLK,
CLK_CON_GAT_GOUT_PERI_USI1_SCLK,
CLK_CON_GAT_GOUT_PERI_USI2_PCLK,
CLK_CON_GAT_GOUT_PERI_USI2_SCLK,
CLK_CON_GAT_GOUT_PERI_MCT_PCLK,
CLK_CON_GAT_GOUT_PERI_SYSREG_PERI_PCLK,
CLK_CON_GAT_GOUT_PERI_WDT_CLUSTER0_PCLK,
CLK_CON_GAT_GOUT_PERI_WDT_CLUSTER1_PCLK,
};
/* List of parent clocks for Muxes in CMU_PERI */
PNAME(mout_peri_bus_user_p) = { "oscclk", "dout_peri_bus" };
PNAME(mout_peri_spi0_user_p) = { "oscclk", "dout_peri_spi0" };
PNAME(mout_peri_spi1_user_p) = { "oscclk", "dout_peri_spi1" };
PNAME(mout_peri_uart0_user_p) = { "oscclk", "dout_peri_uart0" };
PNAME(mout_peri_uart1_user_p) = { "oscclk", "dout_peri_uart1" };
PNAME(mout_peri_uart2_user_p) = { "oscclk", "dout_peri_uart2" };
PNAME(mout_peri_usi0_user_p) = { "oscclk", "dout_peri_usi0" };
PNAME(mout_peri_usi1_user_p) = { "oscclk", "dout_peri_usi1" };
PNAME(mout_peri_usi2_user_p) = { "oscclk", "dout_peri_usi2" };
static const struct samsung_mux_clock peri_mux_clks[] __initconst = {
MUX(CLK_MOUT_PERI_BUS_USER, "mout_peri_bus_user", mout_peri_bus_user_p,
PLL_CON0_MUX_CLKCMU_PERI_BUS_USER, 4, 1),
MUX(CLK_MOUT_PERI_SPI0_USER, "mout_peri_spi0_user", mout_peri_spi0_user_p,
PLL_CON0_MUX_CLKCMU_PERI_SPI0_USER, 4, 1),
MUX(CLK_MOUT_PERI_SPI1_USER, "mout_peri_spi1_user", mout_peri_spi1_user_p,
PLL_CON0_MUX_CLKCMU_PERI_SPI1_USER, 4, 1),
MUX(CLK_MOUT_PERI_UART0_USER, "mout_peri_uart0_user",
mout_peri_uart0_user_p, PLL_CON0_MUX_CLKCMU_PERI_UART0_USER, 4, 1),
MUX(CLK_MOUT_PERI_UART1_USER, "mout_peri_uart1_user",
mout_peri_uart1_user_p, PLL_CON0_MUX_CLKCMU_PERI_UART1_USER, 4, 1),
MUX(CLK_MOUT_PERI_UART2_USER, "mout_peri_uart2_user",
mout_peri_uart2_user_p, PLL_CON0_MUX_CLKCMU_PERI_UART2_USER, 4, 1),
MUX(CLK_MOUT_PERI_USI0_USER, "mout_peri_usi0_user",
mout_peri_usi0_user_p, PLL_CON0_MUX_CLKCMU_PERI_USI0_USER, 4, 1),
MUX(CLK_MOUT_PERI_USI1_USER, "mout_peri_usi1_user",
mout_peri_usi1_user_p, PLL_CON0_MUX_CLKCMU_PERI_USI1_USER, 4, 1),
MUX(CLK_MOUT_PERI_USI2_USER, "mout_peri_usi2_user",
mout_peri_usi2_user_p, PLL_CON0_MUX_CLKCMU_PERI_USI2_USER, 4, 1),
};
static const struct samsung_gate_clock peri_gate_clks[] __initconst = {
/* TODO: Should be enabled in GPIO driver (or made CLK_IS_CRITICAL) */
GATE(CLK_GOUT_GPIO_TOP_PCLK, "gout_gpio_top_pclk",
"mout_peri_bus_user",
CLK_CON_GAT_GOUT_PERI_GPIO_TOP_PCLK, 21, CLK_IGNORE_UNUSED, 0),
GATE(CLK_GOUT_HSI2C0_PCLK, "gout_hsi2c0_pclk", "mout_peri_bus_user",
CLK_CON_GAT_GOUT_PERI_HSI2C_0_PCLK, 21, 0, 0),
GATE(CLK_GOUT_HSI2C1_PCLK, "gout_hsi2c1_pclk", "mout_peri_bus_user",
CLK_CON_GAT_GOUT_PERI_HSI2C_1_PCLK, 21, 0, 0),
GATE(CLK_GOUT_HSI2C2_PCLK, "gout_hsi2c2_pclk", "mout_peri_bus_user",
CLK_CON_GAT_GOUT_PERI_HSI2C_2_PCLK, 21, 0, 0),
GATE(CLK_GOUT_HSI2C3_PCLK, "gout_hsi2c3_pclk", "mout_peri_bus_user",
CLK_CON_GAT_GOUT_PERI_HSI2C_3_PCLK, 21, 0, 0),
GATE(CLK_GOUT_I2C0_PCLK, "gout_i2c0_pclk", "mout_peri_bus_user",
CLK_CON_GAT_GOUT_PERI_I2C_0_PCLK, 21, 0, 0),
GATE(CLK_GOUT_I2C1_PCLK, "gout_i2c1_pclk", "mout_peri_bus_user",
CLK_CON_GAT_GOUT_PERI_I2C_1_PCLK, 21, 0, 0),
GATE(CLK_GOUT_I2C2_PCLK, "gout_i2c2_pclk", "mout_peri_bus_user",
CLK_CON_GAT_GOUT_PERI_I2C_2_PCLK, 21, 0, 0),
GATE(CLK_GOUT_I2C3_PCLK, "gout_i2c3_pclk", "mout_peri_bus_user",
CLK_CON_GAT_GOUT_PERI_I2C_3_PCLK, 21, 0, 0),
GATE(CLK_GOUT_I2C4_PCLK, "gout_i2c4_pclk", "mout_peri_bus_user",
CLK_CON_GAT_GOUT_PERI_I2C_4_PCLK, 21, 0, 0),
GATE(CLK_GOUT_I2C5_PCLK, "gout_i2c5_pclk", "mout_peri_bus_user",
CLK_CON_GAT_GOUT_PERI_I2C_5_PCLK, 21, 0, 0),
GATE(CLK_GOUT_I2C6_PCLK, "gout_i2c6_pclk", "mout_peri_bus_user",
CLK_CON_GAT_GOUT_PERI_I2C_6_PCLK, 21, 0, 0),
GATE(CLK_GOUT_I2C7_PCLK, "gout_i2c7_pclk", "mout_peri_bus_user",
CLK_CON_GAT_GOUT_PERI_I2C_7_PCLK, 21, 0, 0),
GATE(CLK_GOUT_PWM_MOTOR_PCLK, "gout_pwm_motor_pclk",
"mout_peri_bus_user",
CLK_CON_GAT_GOUT_PERI_PWM_MOTOR_PCLK, 21, 0, 0),
GATE(CLK_GOUT_SPI0_PCLK, "gout_spi0_pclk", "mout_peri_bus_user",
CLK_CON_GAT_GOUT_PERI_SPI_0_PCLK, 21, 0, 0),
GATE(CLK_GOUT_SPI0_EXT_CLK, "gout_spi0_ipclk", "mout_peri_spi0_user",
CLK_CON_GAT_GOUT_PERI_SPI_0_EXT_CLK, 21, 0, 0),
GATE(CLK_GOUT_SPI1_PCLK, "gout_spi1_pclk", "mout_peri_bus_user",
CLK_CON_GAT_GOUT_PERI_SPI_1_PCLK, 21, 0, 0),
GATE(CLK_GOUT_SPI1_EXT_CLK, "gout_spi1_ipclk", "mout_peri_spi1_user",
CLK_CON_GAT_GOUT_PERI_SPI_1_EXT_CLK, 21, 0, 0),
GATE(CLK_GOUT_UART0_EXT_UCLK, "gout_uart0_ext_uclk", "mout_peri_uart0_user",
CLK_CON_GAT_GOUT_PERI_UART_0_EXT_UCLK, 21, 0, 0),
GATE(CLK_GOUT_UART0_PCLK, "gout_uart0_pclk", "mout_peri_bus_user",
CLK_CON_GAT_GOUT_PERI_UART_0_PCLK, 21, 0, 0),
GATE(CLK_GOUT_UART1_EXT_UCLK, "gout_uart1_ext_uclk", "mout_peri_uart1_user",
CLK_CON_GAT_GOUT_PERI_UART_1_EXT_UCLK, 21, 0, 0),
GATE(CLK_GOUT_UART1_PCLK, "gout_uart1_pclk", "mout_peri_bus_user",
CLK_CON_GAT_GOUT_PERI_UART_1_PCLK, 21, 0, 0),
GATE(CLK_GOUT_UART2_EXT_UCLK, "gout_uart2_ext_uclk", "mout_peri_uart2_user",
CLK_CON_GAT_GOUT_PERI_UART_2_EXT_UCLK, 21, 0, 0),
GATE(CLK_GOUT_UART2_PCLK, "gout_uart2_pclk", "mout_peri_bus_user",
CLK_CON_GAT_GOUT_PERI_UART_2_PCLK, 21, 0, 0),
GATE(CLK_GOUT_USI0_PCLK, "gout_usi0_pclk", "mout_peri_bus_user",
CLK_CON_GAT_GOUT_PERI_USI0_PCLK, 21, 0, 0),
GATE(CLK_GOUT_USI0_SCLK, "gout_usi0_sclk", "mout_peri_usi0_user",
CLK_CON_GAT_GOUT_PERI_USI0_SCLK, 21, 0, 0),
GATE(CLK_GOUT_USI1_PCLK, "gout_usi1_pclk", "mout_peri_bus_user",
CLK_CON_GAT_GOUT_PERI_USI1_PCLK, 21, 0, 0),
GATE(CLK_GOUT_USI1_SCLK, "gout_usi1_sclk", "mout_peri_usi1_user",
CLK_CON_GAT_GOUT_PERI_USI1_SCLK, 21, 0, 0),
GATE(CLK_GOUT_USI2_PCLK, "gout_usi2_pclk", "mout_peri_bus_user",
CLK_CON_GAT_GOUT_PERI_USI2_PCLK, 21, 0, 0),
GATE(CLK_GOUT_USI2_SCLK, "gout_usi2_sclk", "mout_peri_usi2_user",
CLK_CON_GAT_GOUT_PERI_USI2_SCLK, 21, 0, 0),
GATE(CLK_GOUT_MCT_PCLK, "gout_mct_pclk", "mout_peri_bus_user",
CLK_CON_GAT_GOUT_PERI_MCT_PCLK, 21, 0, 0),
GATE(CLK_GOUT_SYSREG_PERI_PCLK, "gout_sysreg_peri_pclk",
"mout_peri_bus_user",
CLK_CON_GAT_GOUT_PERI_SYSREG_PERI_PCLK, 21, 0, 0),
GATE(CLK_GOUT_WDT0_PCLK, "gout_wdt0_pclk", "mout_peri_bus_user",
CLK_CON_GAT_GOUT_PERI_WDT_CLUSTER0_PCLK, 21, 0, 0),
GATE(CLK_GOUT_WDT1_PCLK, "gout_wdt1_pclk", "mout_peri_bus_user",
CLK_CON_GAT_GOUT_PERI_WDT_CLUSTER1_PCLK, 21, 0, 0),
};
static const struct samsung_cmu_info peri_cmu_info __initconst = {
.mux_clks = peri_mux_clks,
.nr_mux_clks = ARRAY_SIZE(peri_mux_clks),
.gate_clks = peri_gate_clks,
.nr_gate_clks = ARRAY_SIZE(peri_gate_clks),
.nr_clk_ids = PERI_NR_CLK,
.clk_regs = peri_clk_regs,
.nr_clk_regs = ARRAY_SIZE(peri_clk_regs),
.clk_name = "dout_peri_bus",
};
static void __init exynos7885_cmu_peri_init(struct device_node *np)
{
exynos_arm64_register_cmu(NULL, np, &peri_cmu_info);
}
/* Register CMU_PERI early, as it's needed for MCT timer */
CLK_OF_DECLARE(exynos7885_cmu_peri, "samsung,exynos7885-cmu-peri",
exynos7885_cmu_peri_init);
/* ---- CMU_CORE ------------------------------------------------------------ */
/* Register Offset definitions for CMU_CORE (0x12000000) */
#define PLL_CON0_MUX_CLKCMU_CORE_BUS_USER 0x0100
#define PLL_CON0_MUX_CLKCMU_CORE_CCI_USER 0x0120
#define PLL_CON0_MUX_CLKCMU_CORE_G3D_USER 0x0140
#define CLK_CON_MUX_MUX_CLK_CORE_GIC 0x1000
#define CLK_CON_DIV_DIV_CLK_CORE_BUSP 0x1800
#define CLK_CON_GAT_GOUT_CORE_CCI_550_ACLK 0x2054
#define CLK_CON_GAT_GOUT_CORE_GIC400_CLK 0x2058
static const unsigned long core_clk_regs[] __initconst = {
PLL_CON0_MUX_CLKCMU_CORE_BUS_USER,
PLL_CON0_MUX_CLKCMU_CORE_CCI_USER,
PLL_CON0_MUX_CLKCMU_CORE_G3D_USER,
CLK_CON_MUX_MUX_CLK_CORE_GIC,
CLK_CON_DIV_DIV_CLK_CORE_BUSP,
CLK_CON_GAT_GOUT_CORE_CCI_550_ACLK,
CLK_CON_GAT_GOUT_CORE_GIC400_CLK,
};
/* List of parent clocks for Muxes in CMU_CORE */
PNAME(mout_core_bus_user_p) = { "oscclk", "dout_core_bus" };
PNAME(mout_core_cci_user_p) = { "oscclk", "dout_core_cci" };
PNAME(mout_core_g3d_user_p) = { "oscclk", "dout_core_g3d" };
PNAME(mout_core_gic_p) = { "dout_core_busp", "oscclk" };
static const struct samsung_mux_clock core_mux_clks[] __initconst = {
MUX(CLK_MOUT_CORE_BUS_USER, "mout_core_bus_user", mout_core_bus_user_p,
PLL_CON0_MUX_CLKCMU_CORE_BUS_USER, 4, 1),
MUX(CLK_MOUT_CORE_CCI_USER, "mout_core_cci_user", mout_core_cci_user_p,
PLL_CON0_MUX_CLKCMU_CORE_CCI_USER, 4, 1),
MUX(CLK_MOUT_CORE_G3D_USER, "mout_core_g3d_user", mout_core_g3d_user_p,
PLL_CON0_MUX_CLKCMU_CORE_G3D_USER, 4, 1),
MUX(CLK_MOUT_CORE_GIC, "mout_core_gic", mout_core_gic_p,
CLK_CON_MUX_MUX_CLK_CORE_GIC, 0, 1),
};
static const struct samsung_div_clock core_div_clks[] __initconst = {
DIV(CLK_DOUT_CORE_BUSP, "dout_core_busp", "mout_core_bus_user",
CLK_CON_DIV_DIV_CLK_CORE_BUSP, 0, 2),
};
static const struct samsung_gate_clock core_gate_clks[] __initconst = {
/* CCI (interconnect) clock must be always running */
GATE(CLK_GOUT_CCI_ACLK, "gout_cci_aclk", "mout_core_cci_user",
CLK_CON_GAT_GOUT_CORE_CCI_550_ACLK, 21, CLK_IS_CRITICAL, 0),
/* GIC (interrupt controller) clock must be always running */
GATE(CLK_GOUT_GIC400_CLK, "gout_gic400_clk", "mout_core_gic",
CLK_CON_GAT_GOUT_CORE_GIC400_CLK, 21, CLK_IS_CRITICAL, 0),
};
static const struct samsung_cmu_info core_cmu_info __initconst = {
.mux_clks = core_mux_clks,
.nr_mux_clks = ARRAY_SIZE(core_mux_clks),
.div_clks = core_div_clks,
.nr_div_clks = ARRAY_SIZE(core_div_clks),
.gate_clks = core_gate_clks,
.nr_gate_clks = ARRAY_SIZE(core_gate_clks),
.nr_clk_ids = CORE_NR_CLK,
.clk_regs = core_clk_regs,
.nr_clk_regs = ARRAY_SIZE(core_clk_regs),
.clk_name = "dout_core_bus",
};
/* ---- platform_driver ----------------------------------------------------- */
static int __init exynos7885_cmu_probe(struct platform_device *pdev)
{
const struct samsung_cmu_info *info;
struct device *dev = &pdev->dev;
info = of_device_get_match_data(dev);
exynos_arm64_register_cmu(dev, dev->of_node, info);
return 0;
}
static const struct of_device_id exynos7885_cmu_of_match[] = {
{
.compatible = "samsung,exynos7885-cmu-core",
.data = &core_cmu_info,
}, {
},
};
static struct platform_driver exynos7885_cmu_driver __refdata = {
.driver = {
.name = "exynos7885-cmu",
.of_match_table = exynos7885_cmu_of_match,
.suppress_bind_attrs = true,
},
.probe = exynos7885_cmu_probe,
};
static int __init exynos7885_cmu_init(void)
{
return platform_driver_register(&exynos7885_cmu_driver);
}
core_initcall(exynos7885_cmu_init);
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