| // 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); |