diff options
Diffstat (limited to 'drivers/clk/rockchip/clk-rk3036.c')
| -rw-r--r-- | drivers/clk/rockchip/clk-rk3036.c | 42 |
1 files changed, 19 insertions, 23 deletions
diff --git a/drivers/clk/rockchip/clk-rk3036.c b/drivers/clk/rockchip/clk-rk3036.c index c3001980dbdc..df9330958c83 100644 --- a/drivers/clk/rockchip/clk-rk3036.c +++ b/drivers/clk/rockchip/clk-rk3036.c @@ -1,22 +1,14 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright (c) 2014 MundoReader S.L. * Author: Heiko Stuebner <heiko@sntech.de> * * Copyright (c) 2015 Rockchip Electronics Co. Ltd. * Author: Xing Zheng <zhengxing@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/io.h> #include <linux/of.h> #include <linux/of_address.h> #include <linux/syscore_ops.h> @@ -110,9 +102,10 @@ static struct rockchip_cpuclk_rate_table rk3036_cpuclk_rates[] __initdata = { }; static const struct rockchip_cpuclk_reg_data rk3036_cpuclk_data = { - .core_reg = RK2928_CLKSEL_CON(0), - .div_core_shift = 0, - .div_core_mask = 0x1f, + .core_reg[0] = RK2928_CLKSEL_CON(0), + .div_core_shift[0] = 0, + .div_core_mask[0] = 0x1f, + .num_cores = 1, .mux_core_alt = 1, .mux_core_main = 0, .mux_core_shift = 7, @@ -128,7 +121,9 @@ PNAME(mux_pll_src_3plls_p) = { "apll", "dpll", "gpll" }; PNAME(mux_timer_p) = { "xin24m", "pclk_peri_src" }; PNAME(mux_pll_src_apll_dpll_gpll_usb480m_p) = { "apll", "dpll", "gpll", "usb480m" }; +PNAME(mux_pll_src_dmyapll_dpll_gpll_xin24_p) = { "dummy_apll", "dpll", "gpll", "xin24m" }; +PNAME(mux_usb480m_p) = { "usb480m_phy", "xin24m" }; PNAME(mux_mmc_src_p) = { "apll", "dpll", "gpll", "xin24m" }; PNAME(mux_i2s_pre_p) = { "i2s_src", "i2s_frac", "ext_i2s", "xin12m" }; PNAME(mux_i2s_clkout_p) = { "i2s_pre", "xin12m" }; @@ -266,7 +261,7 @@ static struct rockchip_clk_branch rk3036_clk_branches[] __initdata = { RK2928_CLKGATE_CON(1), 13, GFLAGS, &rk3036_uart2_fracmux), - COMPOSITE(0, "aclk_vcodec", mux_pll_src_3plls_p, 0, + COMPOSITE(ACLK_VCODEC, "aclk_vcodec", mux_pll_src_3plls_p, 0, RK2928_CLKSEL_CON(32), 14, 2, MFLAGS, 8, 5, DFLAGS, RK2928_CLKGATE_CON(3), 11, GFLAGS), FACTOR_GATE(HCLK_VCODEC, "hclk_vcodec", "aclk_vcodec", 0, 1, 4, @@ -347,7 +342,7 @@ static struct rockchip_clk_branch rk3036_clk_branches[] __initdata = { RK2928_CLKSEL_CON(16), 8, 2, MFLAGS, 10, 5, DFLAGS, RK2928_CLKGATE_CON(10), 4, GFLAGS), - COMPOSITE(SCLK_SFC, "sclk_sfc", mux_pll_src_apll_dpll_gpll_usb480m_p, 0, + COMPOSITE(SCLK_SFC, "sclk_sfc", mux_pll_src_dmyapll_dpll_gpll_xin24_p, 0, RK2928_CLKSEL_CON(16), 0, 2, MFLAGS, 2, 5, DFLAGS, RK2928_CLKGATE_CON(10), 5, GFLAGS), @@ -410,7 +405,7 @@ static struct rockchip_clk_branch rk3036_clk_branches[] __initdata = { GATE(HCLK_OTG0, "hclk_otg0", "hclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(5), 13, GFLAGS), GATE(HCLK_OTG1, "hclk_otg1", "hclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(7), 3, GFLAGS), GATE(HCLK_I2S, "hclk_i2s", "hclk_peri", 0, RK2928_CLKGATE_CON(7), 2, GFLAGS), - GATE(0, "hclk_sfc", "hclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(3), 14, GFLAGS), + GATE(HCLK_SFC, "hclk_sfc", "hclk_peri", 0, RK2928_CLKGATE_CON(3), 14, GFLAGS), GATE(HCLK_MAC, "hclk_mac", "hclk_peri", 0, RK2928_CLKGATE_CON(3), 5, GFLAGS), /* pclk_peri gates */ @@ -429,6 +424,9 @@ static struct rockchip_clk_branch rk3036_clk_branches[] __initdata = { GATE(PCLK_GPIO0, "pclk_gpio0", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 9, GFLAGS), GATE(PCLK_GPIO1, "pclk_gpio1", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 10, GFLAGS), GATE(PCLK_GPIO2, "pclk_gpio2", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 11, GFLAGS), + + MUX(SCLK_USB480M, "usb480m", mux_usb480m_p, CLK_SET_RATE_PARENT, + RK2928_MISC_CON, 15, 1, MFLAGS), }; static const char *const rk3036_critical_clocks[] __initconst = { @@ -437,13 +435,14 @@ static const char *const rk3036_critical_clocks[] __initconst = { "hclk_peri", "pclk_peri", "pclk_ddrupctl", + "ddrphy", }; static void __init rk3036_clk_init(struct device_node *np) { struct rockchip_clk_provider *ctx; + unsigned long clk_nr_clks; void __iomem *reg_base; - struct clk *clk; reg_base = of_iomap(np, 0); if (!reg_base) { @@ -458,18 +457,15 @@ static void __init rk3036_clk_init(struct device_node *np) writel_relaxed(HIWORD_UPDATE(0x2, 0x3, 10), reg_base + RK2928_CLKSEL_CON(13)); - ctx = rockchip_clk_init(np, reg_base, CLK_NR_CLKS); + clk_nr_clks = rockchip_clk_find_max_clk_id(rk3036_clk_branches, + ARRAY_SIZE(rk3036_clk_branches)) + 1; + 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; } - clk = clk_register_fixed_factor(NULL, "usb480m", "xin24m", 0, 20, 1); - if (IS_ERR(clk)) - pr_warn("%s: could not register clock usb480m: %ld\n", - __func__, PTR_ERR(clk)); - rockchip_clk_register_plls(ctx, rk3036_pll_clks, ARRAY_SIZE(rk3036_pll_clks), RK3036_GRF_SOC_STATUS0); |