diff options
Diffstat (limited to 'drivers/clk/mediatek/clk-mt2701.c')
| -rw-r--r-- | drivers/clk/mediatek/clk-mt2701.c | 163 |
1 files changed, 81 insertions, 82 deletions
diff --git a/drivers/clk/mediatek/clk-mt2701.c b/drivers/clk/mediatek/clk-mt2701.c index ab6ab07f53e6..1e88ad8b93f4 100644 --- a/drivers/clk/mediatek/clk-mt2701.c +++ b/drivers/clk/mediatek/clk-mt2701.c @@ -1,26 +1,17 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (c) 2014 MediaTek Inc. * Author: Shunli Wang <shunli.wang@mediatek.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * 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/of_device.h> +#include <linux/mod_devicetable.h> #include <linux/platform_device.h> -#include "clk-mtk.h" -#include "clk-gate.h" #include "clk-cpumux.h" +#include "clk-gate.h" +#include "clk-mtk.h" +#include "clk-pll.h" #include <dt-bindings/clock/mt2701-clk.h> @@ -535,8 +526,8 @@ static const struct mtk_composite top_muxes[] = { 0x0080, 8, 2, 15), MUX_GATE(CLK_TOP_DPI0_SEL, "dpi0_sel", dpi0_parents, 0x0080, 16, 3, 23), - MUX_GATE(CLK_TOP_DPI1_SEL, "dpi1_sel", dpi1_parents, - 0x0080, 24, 2, 31), + MUX_GATE_FLAGS_2(CLK_TOP_DPI1_SEL, "dpi1_sel", dpi1_parents, + 0x0080, 24, 2, 31, 0, CLK_MUX_ROUND_CLOSEST), MUX_GATE(CLK_TOP_TVE_SEL, "tve_sel", tve_parents, 0x0090, 0, 3, 7), @@ -643,14 +634,8 @@ static const struct mtk_gate_regs top_aud_cg_regs = { .sta_ofs = 0x012C, }; -#define GATE_TOP_AUD(_id, _name, _parent, _shift) { \ - .id = _id, \ - .name = _name, \ - .parent_name = _parent, \ - .regs = &top_aud_cg_regs, \ - .shift = _shift, \ - .ops = &mtk_clk_gate_ops_no_setclr, \ - } +#define GATE_TOP_AUD(_id, _name, _parent, _shift) \ + GATE_MTK(_id, _name, _parent, &top_aud_cg_regs, _shift, &mtk_clk_gate_ops_no_setclr) static const struct mtk_gate top_clks[] = { GATE_TOP_AUD(CLK_TOP_AUD_48K_TIMING, "a1sys_hp_ck", "aud_mux1_div", @@ -673,16 +658,17 @@ static const struct mtk_gate top_clks[] = { static int mtk_topckgen_init(struct platform_device *pdev) { - struct clk_onecell_data *clk_data; + struct clk_hw_onecell_data *clk_data; void __iomem *base; struct device_node *node = pdev->dev.of_node; - struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - base = devm_ioremap_resource(&pdev->dev, res); + base = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(base)) return PTR_ERR(base); clk_data = mtk_alloc_clk_data(CLK_TOP_NR); + if (!clk_data) + return -ENOMEM; mtk_clk_register_fixed_clks(top_fixed_clks, ARRAY_SIZE(top_fixed_clks), clk_data); @@ -690,16 +676,17 @@ static int mtk_topckgen_init(struct platform_device *pdev) mtk_clk_register_factors(top_fixed_divs, ARRAY_SIZE(top_fixed_divs), clk_data); - mtk_clk_register_composites(top_muxes, ARRAY_SIZE(top_muxes), - base, &mt2701_clk_lock, clk_data); + mtk_clk_register_composites(&pdev->dev, top_muxes, + ARRAY_SIZE(top_muxes), base, + &mt2701_clk_lock, clk_data); - mtk_clk_register_dividers(top_adj_divs, ARRAY_SIZE(top_adj_divs), + mtk_clk_register_dividers(&pdev->dev, top_adj_divs, ARRAY_SIZE(top_adj_divs), base, &mt2701_clk_lock, clk_data); - mtk_clk_register_gates(node, top_clks, ARRAY_SIZE(top_clks), - clk_data); + mtk_clk_register_gates(&pdev->dev, node, top_clks, + ARRAY_SIZE(top_clks), clk_data); - return of_clk_add_provider(node, of_clk_src_onecell_get, clk_data); + return of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data); } static const struct mtk_gate_regs infra_cg_regs = { @@ -708,14 +695,8 @@ static const struct mtk_gate_regs infra_cg_regs = { .sta_ofs = 0x0048, }; -#define GATE_ICG(_id, _name, _parent, _shift) { \ - .id = _id, \ - .name = _name, \ - .parent_name = _parent, \ - .regs = &infra_cg_regs, \ - .shift = _shift, \ - .ops = &mtk_clk_gate_ops_setclr, \ - } +#define GATE_ICG(_id, _name, _parent, _shift) \ + GATE_MTK(_id, _name, _parent, &infra_cg_regs, _shift, &mtk_clk_gate_ops_setclr) static const struct mtk_gate infra_clks[] = { GATE_ICG(CLK_INFRA_DBG, "dbgclk", "axi_sel", 0), @@ -742,7 +723,25 @@ static const struct mtk_fixed_factor infra_fixed_divs[] = { FACTOR(CLK_INFRA_CLK_13M, "clk13m", "clk26m", 1, 2), }; -static struct clk_onecell_data *infra_clk_data; +static u16 infrasys_rst_ofs[] = { 0x30, 0x34, }; +static u16 pericfg_rst_ofs[] = { 0x0, 0x4, }; + +static const struct mtk_clk_rst_desc clk_rst_desc[] = { + /* infrasys */ + { + .version = MTK_RST_SIMPLE, + .rst_bank_ofs = infrasys_rst_ofs, + .rst_bank_nr = ARRAY_SIZE(infrasys_rst_ofs), + }, + /* pericfg */ + { + .version = MTK_RST_SIMPLE, + .rst_bank_ofs = pericfg_rst_ofs, + .rst_bank_nr = ARRAY_SIZE(pericfg_rst_ofs), + }, +}; + +static struct clk_hw_onecell_data *infra_clk_data; static void __init mtk_infrasys_init_early(struct device_node *node) { @@ -750,18 +749,21 @@ static void __init mtk_infrasys_init_early(struct device_node *node) if (!infra_clk_data) { infra_clk_data = mtk_alloc_clk_data(CLK_INFRA_NR); + if (!infra_clk_data) + return; for (i = 0; i < CLK_INFRA_NR; i++) - infra_clk_data->clks[i] = ERR_PTR(-EPROBE_DEFER); + infra_clk_data->hws[i] = ERR_PTR(-EPROBE_DEFER); } mtk_clk_register_factors(infra_fixed_divs, ARRAY_SIZE(infra_fixed_divs), infra_clk_data); - mtk_clk_register_cpumuxes(node, cpu_muxes, ARRAY_SIZE(cpu_muxes), + mtk_clk_register_cpumuxes(NULL, node, cpu_muxes, ARRAY_SIZE(cpu_muxes), infra_clk_data); - r = of_clk_add_provider(node, of_clk_src_onecell_get, infra_clk_data); + r = of_clk_add_hw_provider(node, of_clk_hw_onecell_get, + infra_clk_data); if (r) pr_err("%s(): could not register clock provider: %d\n", __func__, r); @@ -776,23 +778,26 @@ static int mtk_infrasys_init(struct platform_device *pdev) if (!infra_clk_data) { infra_clk_data = mtk_alloc_clk_data(CLK_INFRA_NR); + if (!infra_clk_data) + return -ENOMEM; } else { for (i = 0; i < CLK_INFRA_NR; i++) { - if (infra_clk_data->clks[i] == ERR_PTR(-EPROBE_DEFER)) - infra_clk_data->clks[i] = ERR_PTR(-ENOENT); + if (infra_clk_data->hws[i] == ERR_PTR(-EPROBE_DEFER)) + infra_clk_data->hws[i] = ERR_PTR(-ENOENT); } } - mtk_clk_register_gates(node, infra_clks, ARRAY_SIZE(infra_clks), - infra_clk_data); + mtk_clk_register_gates(&pdev->dev, node, infra_clks, + ARRAY_SIZE(infra_clks), infra_clk_data); mtk_clk_register_factors(infra_fixed_divs, ARRAY_SIZE(infra_fixed_divs), infra_clk_data); - r = of_clk_add_provider(node, of_clk_src_onecell_get, infra_clk_data); + r = of_clk_add_hw_provider(node, of_clk_hw_onecell_get, + infra_clk_data); if (r) return r; - mtk_register_reset_controller(node, 2, 0x30); + mtk_register_reset_controller_with_dev(&pdev->dev, &clk_rst_desc[0]); return 0; } @@ -809,23 +814,11 @@ static const struct mtk_gate_regs peri1_cg_regs = { .sta_ofs = 0x001c, }; -#define GATE_PERI0(_id, _name, _parent, _shift) { \ - .id = _id, \ - .name = _name, \ - .parent_name = _parent, \ - .regs = &peri0_cg_regs, \ - .shift = _shift, \ - .ops = &mtk_clk_gate_ops_setclr, \ - } +#define GATE_PERI0(_id, _name, _parent, _shift) \ + GATE_MTK(_id, _name, _parent, &peri0_cg_regs, _shift, &mtk_clk_gate_ops_setclr) -#define GATE_PERI1(_id, _name, _parent, _shift) { \ - .id = _id, \ - .name = _name, \ - .parent_name = _parent, \ - .regs = &peri1_cg_regs, \ - .shift = _shift, \ - .ops = &mtk_clk_gate_ops_setclr, \ - } +#define GATE_PERI1(_id, _name, _parent, _shift) \ + GATE_MTK(_id, _name, _parent, &peri1_cg_regs, _shift, &mtk_clk_gate_ops_setclr) static const struct mtk_gate peri_clks[] = { GATE_PERI0(CLK_PERI_USB0_MCU, "usb0_mcu_ck", "axi_sel", 31), @@ -893,29 +886,31 @@ static const struct mtk_composite peri_muxs[] = { static int mtk_pericfg_init(struct platform_device *pdev) { - struct clk_onecell_data *clk_data; + struct clk_hw_onecell_data *clk_data; void __iomem *base; int r; struct device_node *node = pdev->dev.of_node; - struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - base = devm_ioremap_resource(&pdev->dev, res); + base = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(base)) return PTR_ERR(base); clk_data = mtk_alloc_clk_data(CLK_PERI_NR); + if (!clk_data) + return -ENOMEM; - mtk_clk_register_gates(node, peri_clks, ARRAY_SIZE(peri_clks), - clk_data); + mtk_clk_register_gates(&pdev->dev, node, peri_clks, + ARRAY_SIZE(peri_clks), clk_data); - mtk_clk_register_composites(peri_muxs, ARRAY_SIZE(peri_muxs), base, - &mt2701_clk_lock, clk_data); + mtk_clk_register_composites(&pdev->dev, peri_muxs, + ARRAY_SIZE(peri_muxs), base, + &mt2701_clk_lock, clk_data); - r = of_clk_add_provider(node, of_clk_src_onecell_get, clk_data); + r = of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data); if (r) return r; - mtk_register_reset_controller(node, 2, 0x0); + mtk_register_reset_controller_with_dev(&pdev->dev, &clk_rst_desc[1]); return 0; } @@ -942,13 +937,13 @@ static int mtk_pericfg_init(struct platform_device *pdev) } static const struct mtk_pll_data apmixed_plls[] = { - PLL(CLK_APMIXED_ARMPLL, "armpll", 0x200, 0x20c, 0x80000001, + PLL(CLK_APMIXED_ARMPLL, "armpll", 0x200, 0x20c, 0x80000000, PLL_AO, 21, 0x204, 24, 0x0, 0x204, 0), - PLL(CLK_APMIXED_MAINPLL, "mainpll", 0x210, 0x21c, 0xf0000001, + PLL(CLK_APMIXED_MAINPLL, "mainpll", 0x210, 0x21c, 0xf0000000, HAVE_RST_BAR, 21, 0x210, 4, 0x0, 0x214, 0), - PLL(CLK_APMIXED_UNIVPLL, "univpll", 0x220, 0x22c, 0xf3000001, + PLL(CLK_APMIXED_UNIVPLL, "univpll", 0x220, 0x22c, 0xf3000000, HAVE_RST_BAR, 7, 0x220, 4, 0x0, 0x224, 14), - PLL(CLK_APMIXED_MMPLL, "mmpll", 0x230, 0x23c, 0x00000001, 0, + PLL(CLK_APMIXED_MMPLL, "mmpll", 0x230, 0x23c, 0, 0, 21, 0x230, 4, 0x0, 0x234, 0), PLL(CLK_APMIXED_MSDCPLL, "msdcpll", 0x240, 0x24c, 0x00000001, 0, 21, 0x240, 4, 0x0, 0x244, 0), @@ -976,7 +971,7 @@ static const struct mtk_fixed_factor apmixed_fixed_divs[] = { static int mtk_apmixedsys_init(struct platform_device *pdev) { - struct clk_onecell_data *clk_data; + struct clk_hw_onecell_data *clk_data; struct device_node *node = pdev->dev.of_node; clk_data = mtk_alloc_clk_data(CLK_APMIXED_NR); @@ -988,7 +983,7 @@ static int mtk_apmixedsys_init(struct platform_device *pdev) mtk_clk_register_factors(apmixed_fixed_divs, ARRAY_SIZE(apmixed_fixed_divs), clk_data); - return of_clk_add_provider(node, of_clk_src_onecell_get, clk_data); + return of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data); } static const struct of_device_id of_match_clk_mt2701[] = { @@ -1008,6 +1003,7 @@ static const struct of_device_id of_match_clk_mt2701[] = { /* sentinel */ } }; +MODULE_DEVICE_TABLE(of, of_match_clk_mt2701); static int clk_mt2701_probe(struct platform_device *pdev) { @@ -1041,3 +1037,6 @@ static int __init clk_mt2701_init(void) } arch_initcall(clk_mt2701_init); + +MODULE_DESCRIPTION("MediaTek MT2701 main clocks driver"); +MODULE_LICENSE("GPL"); |