Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
389 | 76.42% | 2 | 40.00% | |
117 | 22.99% | 1 | 20.00% | |
2 | 0.39% | 1 | 20.00% | |
1 | 0.20% | 1 | 20.00% | |
Total | 509 | 5 |
Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Ulf Hansson | 389 | 76.42% | 2 | 40.00% |
Linus Walleij | 117 | 22.99% | 1 | 20.00% |
Thomas Gleixner | 2 | 0.39% | 1 | 20.00% |
Stephen Boyd | 1 | 0.20% | 1 | 20.00% |
Total | 509 | 5 |
// SPDX-License-Identifier: GPL-2.0-only /* * abx500 clock implementation for ux500 platform. * * Copyright (C) 2012 ST-Ericsson SA * Author: Ulf Hansson <ulf.hansson@linaro.org> */ #include <linux/err.h> #include <linux/module.h> #include <linux/device.h> #include <linux/of.h> #include <linux/platform_device.h> #include <linux/mfd/abx500/ab8500.h> #include <linux/mfd/abx500/ab8500-sysctrl.h> #include <linux/clkdev.h> #include <linux/clk-provider.h> #include <dt-bindings/clock/ste-ab8500.h> #include "clk.h" #define AB8500_NUM_CLKS 6 static struct clk *ab8500_clks[AB8500_NUM_CLKS]; static struct clk_onecell_data ab8500_clk_data; /* Clock definitions for ab8500 */ static int ab8500_reg_clks(struct device *dev) { int ret; struct clk *clk; struct device_node *np = dev->of_node; const char *intclk_parents[] = {"ab8500_sysclk", "ulpclk"}; u16 intclk_reg_sel[] = {0 , AB8500_SYSULPCLKCTRL1}; u8 intclk_reg_mask[] = {0 , AB8500_SYSULPCLKCTRL1_SYSULPCLKINTSEL_MASK}; u8 intclk_reg_bits[] = { 0 , (1 << AB8500_SYSULPCLKCTRL1_SYSULPCLKINTSEL_SHIFT) }; /* Enable SWAT */ ret = ab8500_sysctrl_set(AB8500_SWATCTRL, AB8500_SWATCTRL_SWATENABLE); if (ret) return ret; /* ab8500_sysclk2 */ clk = clk_reg_sysctrl_gate(dev , "ab8500_sysclk2", "ab8500_sysclk", AB8500_SYSULPCLKCTRL1, AB8500_SYSULPCLKCTRL1_SYSCLKBUF2REQ, AB8500_SYSULPCLKCTRL1_SYSCLKBUF2REQ, 0, 0); ab8500_clks[AB8500_SYSCLK_BUF2] = clk; /* ab8500_sysclk3 */ clk = clk_reg_sysctrl_gate(dev , "ab8500_sysclk3", "ab8500_sysclk", AB8500_SYSULPCLKCTRL1, AB8500_SYSULPCLKCTRL1_SYSCLKBUF3REQ, AB8500_SYSULPCLKCTRL1_SYSCLKBUF3REQ, 0, 0); ab8500_clks[AB8500_SYSCLK_BUF3] = clk; /* ab8500_sysclk4 */ clk = clk_reg_sysctrl_gate(dev , "ab8500_sysclk4", "ab8500_sysclk", AB8500_SYSULPCLKCTRL1, AB8500_SYSULPCLKCTRL1_SYSCLKBUF4REQ, AB8500_SYSULPCLKCTRL1_SYSCLKBUF4REQ, 0, 0); ab8500_clks[AB8500_SYSCLK_BUF4] = clk; /* ab_ulpclk */ clk = clk_reg_sysctrl_gate_fixed_rate(dev, "ulpclk", NULL, AB8500_SYSULPCLKCTRL1, AB8500_SYSULPCLKCTRL1_ULPCLKREQ, AB8500_SYSULPCLKCTRL1_ULPCLKREQ, 38400000, 9000, 0); ab8500_clks[AB8500_SYSCLK_ULP] = clk; /* ab8500_intclk */ clk = clk_reg_sysctrl_set_parent(dev , "intclk", intclk_parents, 2, intclk_reg_sel, intclk_reg_mask, intclk_reg_bits, 0); ab8500_clks[AB8500_SYSCLK_INT] = clk; /* ab8500_audioclk */ clk = clk_reg_sysctrl_gate(dev , "audioclk", "intclk", AB8500_SYSULPCLKCTRL1, AB8500_SYSULPCLKCTRL1_AUDIOCLKENA, AB8500_SYSULPCLKCTRL1_AUDIOCLKENA, 0, 0); ab8500_clks[AB8500_SYSCLK_AUDIO] = clk; ab8500_clk_data.clks = ab8500_clks; ab8500_clk_data.clk_num = ARRAY_SIZE(ab8500_clks); of_clk_add_provider(np, of_clk_src_onecell_get, &ab8500_clk_data); dev_info(dev, "registered clocks for ab850x\n"); return 0; } static int abx500_clk_probe(struct platform_device *pdev) { struct ab8500 *parent = dev_get_drvdata(pdev->dev.parent); int ret; if (is_ab8500(parent) || is_ab8505(parent)) { ret = ab8500_reg_clks(&pdev->dev); } else { dev_err(&pdev->dev, "non supported plf id\n"); return -ENODEV; } return ret; } static const struct of_device_id abx500_clk_match[] = { { .compatible = "stericsson,ab8500-clk", }, {} }; static struct platform_driver abx500_clk_driver = { .driver = { .name = "abx500-clk", .of_match_table = abx500_clk_match, }, .probe = abx500_clk_probe, }; static int __init abx500_clk_init(void) { return platform_driver_register(&abx500_clk_driver); } arch_initcall(abx500_clk_init); MODULE_AUTHOR("Ulf Hansson <ulf.hansson@linaro.org"); MODULE_DESCRIPTION("ABX500 clk driver"); MODULE_LICENSE("GPL v2");