diff options
Diffstat (limited to 'drivers/clk/ti/apll.c')
| -rw-r--r-- | drivers/clk/ti/apll.c | 66 |
1 files changed, 30 insertions, 36 deletions
diff --git a/drivers/clk/ti/apll.c b/drivers/clk/ti/apll.c index 06f486b3488c..43514e6f3b78 100644 --- a/drivers/clk/ti/apll.c +++ b/drivers/clk/ti/apll.c @@ -1,18 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * OMAP APLL clock support * * Copyright (C) 2013 Texas Instruments, Inc. * * J Keerthy <j-keerthy@ti.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 "as is" WITHOUT ANY WARRANTY of any - * kind, whether express or implied; 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.h> @@ -133,17 +125,20 @@ static const struct clk_ops apll_ck_ops = { .get_parent = &dra7_init_apll_parent, }; -static void __init omap_clk_register_apll(struct clk_hw *hw, +static void __init omap_clk_register_apll(void *user, struct device_node *node) { + struct clk_hw *hw = user; struct clk_hw_omap *clk_hw = to_clk_hw_omap(hw); struct dpll_data *ad = clk_hw->dpll_data; + const char *name; struct clk *clk; + const struct clk_init_data *init = clk_hw->hw.init; clk = of_clk_get(node, 0); if (IS_ERR(clk)) { - pr_debug("clk-ref for %s not ready, retry\n", - node->name); + pr_debug("clk-ref for %pOFn not ready, retry\n", + node); if (!ti_clk_retry_init(node, hw, omap_clk_register_apll)) return; @@ -154,8 +149,8 @@ static void __init omap_clk_register_apll(struct clk_hw *hw, clk = of_clk_get(node, 1); if (IS_ERR(clk)) { - pr_debug("clk-bypass for %s not ready, retry\n", - node->name); + pr_debug("clk-bypass for %pOFn not ready, retry\n", + node); if (!ti_clk_retry_init(node, hw, omap_clk_register_apll)) return; @@ -164,18 +159,19 @@ static void __init omap_clk_register_apll(struct clk_hw *hw, ad->clk_bypass = __clk_get_hw(clk); - clk = ti_clk_register(NULL, &clk_hw->hw, node->name); + name = ti_dt_clk_name(node); + clk = of_ti_clk_register_omap_hw(node, &clk_hw->hw, name); if (!IS_ERR(clk)) { of_clk_add_provider(node, of_clk_src_simple_get, clk); - kfree(clk_hw->hw.init->parent_names); - kfree(clk_hw->hw.init); + kfree(init->parent_names); + kfree(init); return; } cleanup: kfree(clk_hw->dpll_data); - kfree(clk_hw->hw.init->parent_names); - kfree(clk_hw->hw.init); + kfree(init->parent_names); + kfree(init); kfree(clk_hw); } @@ -196,16 +192,16 @@ static void __init of_dra7_apll_setup(struct device_node *node) clk_hw->dpll_data = ad; clk_hw->hw.init = init; - init->name = node->name; + init->name = ti_dt_clk_name(node); init->ops = &apll_ck_ops; init->num_parents = of_clk_get_parent_count(node); if (init->num_parents < 1) { - pr_err("dra7 apll %s must have parent(s)\n", node->name); + pr_err("dra7 apll %pOFn must have parent(s)\n", node); goto cleanup; } - parent_names = kzalloc(sizeof(char *) * init->num_parents, GFP_KERNEL); + parent_names = kcalloc(init->num_parents, sizeof(char *), GFP_KERNEL); if (!parent_names) goto cleanup; @@ -304,7 +300,7 @@ static void omap2_apll_disable(struct clk_hw *hw) ti_clk_ll_ops->clk_writel(v, &ad->control_reg); } -static struct clk_ops omap2_apll_ops = { +static const struct clk_ops omap2_apll_ops = { .enable = &omap2_apll_enable, .disable = &omap2_apll_disable, .is_enabled = &omap2_apll_is_enabled, @@ -345,6 +341,7 @@ static void __init of_omap2_apll_setup(struct device_node *node) struct dpll_data *ad = NULL; struct clk_hw_omap *clk_hw = NULL; struct clk_init_data *init = NULL; + const char *name; struct clk *clk; const char *parent_name; u32 val; @@ -360,12 +357,13 @@ static void __init of_omap2_apll_setup(struct device_node *node) clk_hw->dpll_data = ad; clk_hw->hw.init = init; init->ops = &omap2_apll_ops; - init->name = node->name; + name = ti_dt_clk_name(node); + init->name = name; clk_hw->ops = &omap2_apll_hwops; init->num_parents = of_clk_get_parent_count(node); if (init->num_parents != 1) { - pr_err("%s must have one parent\n", node->name); + pr_err("%pOFn must have one parent\n", node); goto cleanup; } @@ -373,22 +371,17 @@ static void __init of_omap2_apll_setup(struct device_node *node) init->parent_names = &parent_name; if (of_property_read_u32(node, "ti,clock-frequency", &val)) { - pr_err("%s missing clock-frequency\n", node->name); + pr_err("%pOFn missing clock-frequency\n", node); goto cleanup; } clk_hw->fixed_rate = val; - if (of_property_read_u32(node, "ti,bit-shift", &val)) { - pr_err("%s missing bit-shift\n", node->name); - goto cleanup; - } - - clk_hw->enable_bit = val; - ad->enable_mask = 0x3 << val; - ad->autoidle_mask = 0x3 << val; + clk_hw->enable_bit = ti_clk_get_legacy_bit_shift(node); + ad->enable_mask = 0x3 << clk_hw->enable_bit; + ad->autoidle_mask = 0x3 << clk_hw->enable_bit; if (of_property_read_u32(node, "ti,idlest-shift", &val)) { - pr_err("%s missing idlest-shift\n", node->name); + pr_err("%pOFn missing idlest-shift\n", node); goto cleanup; } @@ -401,7 +394,8 @@ static void __init of_omap2_apll_setup(struct device_node *node) if (ret) goto cleanup; - clk = clk_register(NULL, &clk_hw->hw); + name = ti_dt_clk_name(node); + clk = of_ti_clk_register_omap_hw(node, &clk_hw->hw, name); if (!IS_ERR(clk)) { of_clk_add_provider(node, of_clk_src_simple_get, clk); kfree(init); |
