mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-10-28 15:20:41 +00:00
Merge branches 'clk-qcom-rpmh', 'clk-qcom-spdx', 'clk-con-id-leak', 'clk-fixed-factor-populated' and 'clk-mvebu-periph-parent' into clk-next
* clk-qcom-rpmh: : - Qualcomm RPMh clk driver clk: qcom: clk-rpmh: Add QCOM RPMh clock driver * clk-qcom-spdx: : - SPDX tagging for qcom clk: qcom: Update SPDX headers for common files * clk-con-id-leak: : - Stop leaking con ids in __clk_put() clk: core: Potentially free connection id * clk-fixed-factor-populated: : - Fix a corner case in fixed factor clk probing where node is in DT but : parent clk is registered much later clk: clk-fixed-factor: Clear OF_POPULATED flag in case of failure * clk-mvebu-periph-parent: : - Marvell Armada 3700 clk_pm_cpu_get_parent() had an invalid return value clk: mvebu: armada-37xx-periph: Remove unused var num_parents clk: mvebu: armada-37xx-periph: Fix wrong return value in get_parent
This commit is contained in:
commit
4a18ef5bab
14 changed files with 363 additions and 89 deletions
|
@ -177,8 +177,15 @@ static struct clk *_of_fixed_factor_clk_setup(struct device_node *node)
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clk = clk_register_fixed_factor(NULL, clk_name, parent_name, flags,
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clk = clk_register_fixed_factor(NULL, clk_name, parent_name, flags,
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mult, div);
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mult, div);
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if (IS_ERR(clk))
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if (IS_ERR(clk)) {
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/*
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* If parent clock is not registered, registration would fail.
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* Clear OF_POPULATED flag so that clock registration can be
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* attempted again from probe function.
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*/
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of_node_clear_flag(node, OF_POPULATED);
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return clk;
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return clk;
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}
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ret = of_clk_add_provider(node, of_clk_src_simple_get, clk);
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ret = of_clk_add_provider(node, of_clk_src_simple_get, clk);
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if (ret) {
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if (ret) {
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@ -3133,6 +3133,7 @@ struct clk *__clk_create_clk(struct clk_hw *hw, const char *dev_id,
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return clk;
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return clk;
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}
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}
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/* keep in sync with __clk_put */
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void __clk_free_clk(struct clk *clk)
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void __clk_free_clk(struct clk *clk)
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{
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{
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clk_prepare_lock();
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clk_prepare_lock();
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@ -3512,6 +3513,7 @@ int __clk_get(struct clk *clk)
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return 1;
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return 1;
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}
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}
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/* keep in sync with __clk_free_clk */
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void __clk_put(struct clk *clk)
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void __clk_put(struct clk *clk)
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{
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{
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struct module *owner;
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struct module *owner;
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@ -3545,6 +3547,7 @@ void __clk_put(struct clk *clk)
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module_put(owner);
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module_put(owner);
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kfree_const(clk->con_id);
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kfree(clk);
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kfree(clk);
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}
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}
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@ -415,7 +415,6 @@ static unsigned int armada_3700_pm_dvfs_get_cpu_parent(struct regmap *base)
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static u8 clk_pm_cpu_get_parent(struct clk_hw *hw)
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static u8 clk_pm_cpu_get_parent(struct clk_hw *hw)
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{
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{
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struct clk_pm_cpu *pm_cpu = to_clk_pm_cpu(hw);
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struct clk_pm_cpu *pm_cpu = to_clk_pm_cpu(hw);
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int num_parents = clk_hw_get_num_parents(hw);
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u32 val;
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u32 val;
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if (armada_3700_pm_dvfs_is_enabled(pm_cpu->nb_pm_base)) {
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if (armada_3700_pm_dvfs_is_enabled(pm_cpu->nb_pm_base)) {
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@ -425,9 +424,6 @@ static u8 clk_pm_cpu_get_parent(struct clk_hw *hw)
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val &= pm_cpu->mask_mux;
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val &= pm_cpu->mask_mux;
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}
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}
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if (val >= num_parents)
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return -EINVAL;
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return val;
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return val;
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}
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}
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@ -59,6 +59,15 @@ config QCOM_CLK_SMD_RPM
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Say Y if you want to support the clocks exposed by the RPM on
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Say Y if you want to support the clocks exposed by the RPM on
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platforms such as apq8016, apq8084, msm8974 etc.
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platforms such as apq8016, apq8084, msm8974 etc.
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config QCOM_CLK_RPMH
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tristate "RPMh Clock Driver"
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depends on COMMON_CLK_QCOM && QCOM_RPMH
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help
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RPMh manages shared resources on some Qualcomm Technologies, Inc.
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SoCs. It accepts requests from other hardware subsystems via RSC.
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Say Y if you want to support the clocks exposed by RPMh on
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platforms such as SDM845.
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config APQ_GCC_8084
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config APQ_GCC_8084
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tristate "APQ8084 Global Clock Controller"
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tristate "APQ8084 Global Clock Controller"
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select QCOM_GDSC
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select QCOM_GDSC
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|
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@ -37,6 +37,7 @@ obj-$(CONFIG_MSM_MMCC_8996) += mmcc-msm8996.o
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obj-$(CONFIG_QCOM_A53PLL) += a53-pll.o
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obj-$(CONFIG_QCOM_A53PLL) += a53-pll.o
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obj-$(CONFIG_QCOM_CLK_APCS_MSM8916) += apcs-msm8916.o
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obj-$(CONFIG_QCOM_CLK_APCS_MSM8916) += apcs-msm8916.o
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obj-$(CONFIG_QCOM_CLK_RPM) += clk-rpm.o
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obj-$(CONFIG_QCOM_CLK_RPM) += clk-rpm.o
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obj-$(CONFIG_QCOM_CLK_RPMH) += clk-rpmh.o
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obj-$(CONFIG_QCOM_CLK_SMD_RPM) += clk-smd-rpm.o
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obj-$(CONFIG_QCOM_CLK_SMD_RPM) += clk-smd-rpm.o
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obj-$(CONFIG_SDM_GCC_845) += gcc-sdm845.o
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obj-$(CONFIG_SDM_GCC_845) += gcc-sdm845.o
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obj-$(CONFIG_SDM_VIDEOCC_845) += videocc-sdm845.o
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obj-$(CONFIG_SDM_VIDEOCC_845) += videocc-sdm845.o
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@ -1,14 +1,6 @@
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// SPDX-License-Identifier: GPL-2.0
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/*
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/*
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* Copyright (c) 2015, 2018, The Linux Foundation. All rights reserved.
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* Copyright (c) 2015, 2018, The Linux Foundation. All rights reserved.
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||||||
*
|
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||||||
* This software is licensed under the terms of the GNU General Public
|
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||||||
* License version 2, as published by the Free Software Foundation, and
|
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||||||
* may be copied, distributed, and modified under those terms.
|
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*
|
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* This program is distributed in the hope that it will be useful,
|
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||||||
* 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.
|
|
||||||
*/
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*/
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#include <linux/kernel.h>
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#include <linux/kernel.h>
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|
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@ -1,15 +1,5 @@
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||||||
/*
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/* SPDX-License-Identifier: GPL-2.0 */
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||||||
* Copyright (c) 2015, 2018, The Linux Foundation. All rights reserved.
|
/* Copyright (c) 2015, 2018, The Linux Foundation. All rights reserved. */
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||||||
*
|
|
||||||
* This software is licensed under the terms of the GNU General Public
|
|
||||||
* License version 2, as published by the Free Software Foundation, and
|
|
||||||
* may be copied, distributed, and modified under those terms.
|
|
||||||
*
|
|
||||||
* 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.
|
|
||||||
*/
|
|
||||||
|
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||||||
#ifndef __QCOM_CLK_ALPHA_PLL_H__
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#ifndef __QCOM_CLK_ALPHA_PLL_H__
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#define __QCOM_CLK_ALPHA_PLL_H__
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#define __QCOM_CLK_ALPHA_PLL_H__
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@ -1,14 +1,6 @@
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||||||
|
// SPDX-License-Identifier: GPL-2.0
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||||||
/*
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/*
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||||||
* Copyright (c) 2013, The Linux Foundation. All rights reserved.
|
* Copyright (c) 2013, The Linux Foundation. All rights reserved.
|
||||||
*
|
|
||||||
* This software is licensed under the terms of the GNU General Public
|
|
||||||
* License version 2, as published by the Free Software Foundation, and
|
|
||||||
* may be copied, distributed, and modified under those terms.
|
|
||||||
*
|
|
||||||
* 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.
|
|
||||||
*/
|
*/
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||||||
|
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||||||
#include <linux/kernel.h>
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#include <linux/kernel.h>
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|
|
|
@ -1,15 +1,5 @@
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||||||
/*
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/* SPDX-License-Identifier: GPL-2.0 */
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||||||
* Copyright (c) 2013, The Linux Foundation. All rights reserved.
|
/* Copyright (c) 2013, The Linux Foundation. All rights reserved. */
|
||||||
*
|
|
||||||
* This software is licensed under the terms of the GNU General Public
|
|
||||||
* License version 2, as published by the Free Software Foundation, and
|
|
||||||
* may be copied, distributed, and modified under those terms.
|
|
||||||
*
|
|
||||||
* 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.
|
|
||||||
*/
|
|
||||||
|
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||||||
#ifndef __QCOM_CLK_BRANCH_H__
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#ifndef __QCOM_CLK_BRANCH_H__
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#define __QCOM_CLK_BRANCH_H__
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#define __QCOM_CLK_BRANCH_H__
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|
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@ -1,14 +1,6 @@
|
||||||
|
// SPDX-License-Identifier: GPL-2.0
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||||||
/*
|
/*
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||||||
* Copyright (c) 2014, The Linux Foundation. All rights reserved.
|
* Copyright (c) 2014, The Linux Foundation. All rights reserved.
|
||||||
*
|
|
||||||
* This software is licensed under the terms of the GNU General Public
|
|
||||||
* License version 2, as published by the Free Software Foundation, and
|
|
||||||
* may be copied, distributed, and modified under those terms.
|
|
||||||
*
|
|
||||||
* 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.
|
|
||||||
*/
|
*/
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||||||
|
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||||||
#include <linux/device.h>
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#include <linux/device.h>
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||||||
|
|
|
@ -1,15 +1,5 @@
|
||||||
/*
|
/* SPDX-License-Identifier: GPL-2.0 */
|
||||||
* Copyright (c) 2014, The Linux Foundation. All rights reserved.
|
/* Copyright (c) 2014, The Linux Foundation. All rights reserved. */
|
||||||
*
|
|
||||||
* This software is licensed under the terms of the GNU General Public
|
|
||||||
* License version 2, as published by the Free Software Foundation, and
|
|
||||||
* may be copied, distributed, and modified under those terms.
|
|
||||||
*
|
|
||||||
* 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.
|
|
||||||
*/
|
|
||||||
|
|
||||||
#ifndef __QCOM_CLK_REGMAP_H__
|
#ifndef __QCOM_CLK_REGMAP_H__
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||||||
#define __QCOM_CLK_REGMAP_H__
|
#define __QCOM_CLK_REGMAP_H__
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||||||
|
|
329
drivers/clk/qcom/clk-rpmh.c
Normal file
329
drivers/clk/qcom/clk-rpmh.c
Normal file
|
@ -0,0 +1,329 @@
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||||||
|
// SPDX-License-Identifier: GPL-2.0
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||||||
|
/*
|
||||||
|
* Copyright (c) 2018, The Linux Foundation. All rights reserved.
|
||||||
|
*/
|
||||||
|
|
||||||
|
#include <linux/clk-provider.h>
|
||||||
|
#include <linux/err.h>
|
||||||
|
#include <linux/kernel.h>
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||||||
|
#include <linux/module.h>
|
||||||
|
#include <linux/of.h>
|
||||||
|
#include <linux/of_device.h>
|
||||||
|
#include <linux/platform_device.h>
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||||||
|
#include <soc/qcom/cmd-db.h>
|
||||||
|
#include <soc/qcom/rpmh.h>
|
||||||
|
|
||||||
|
#include <dt-bindings/clock/qcom,rpmh.h>
|
||||||
|
|
||||||
|
#define CLK_RPMH_ARC_EN_OFFSET 0
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||||||
|
#define CLK_RPMH_VRM_EN_OFFSET 4
|
||||||
|
|
||||||
|
/**
|
||||||
|
* struct clk_rpmh - individual rpmh clock data structure
|
||||||
|
* @hw: handle between common and hardware-specific interfaces
|
||||||
|
* @res_name: resource name for the rpmh clock
|
||||||
|
* @div: clock divider to compute the clock rate
|
||||||
|
* @res_addr: base address of the rpmh resource within the RPMh
|
||||||
|
* @res_on_val: rpmh clock enable value
|
||||||
|
* @state: rpmh clock requested state
|
||||||
|
* @aggr_state: rpmh clock aggregated state
|
||||||
|
* @last_sent_aggr_state: rpmh clock last aggr state sent to RPMh
|
||||||
|
* @valid_state_mask: mask to determine the state of the rpmh clock
|
||||||
|
* @dev: device to which it is attached
|
||||||
|
* @peer: pointer to the clock rpmh sibling
|
||||||
|
*/
|
||||||
|
struct clk_rpmh {
|
||||||
|
struct clk_hw hw;
|
||||||
|
const char *res_name;
|
||||||
|
u8 div;
|
||||||
|
u32 res_addr;
|
||||||
|
u32 res_on_val;
|
||||||
|
u32 state;
|
||||||
|
u32 aggr_state;
|
||||||
|
u32 last_sent_aggr_state;
|
||||||
|
u32 valid_state_mask;
|
||||||
|
struct device *dev;
|
||||||
|
struct clk_rpmh *peer;
|
||||||
|
};
|
||||||
|
|
||||||
|
struct clk_rpmh_desc {
|
||||||
|
struct clk_hw **clks;
|
||||||
|
size_t num_clks;
|
||||||
|
};
|
||||||
|
|
||||||
|
static DEFINE_MUTEX(rpmh_clk_lock);
|
||||||
|
|
||||||
|
#define __DEFINE_CLK_RPMH(_platform, _name, _name_active, _res_name, \
|
||||||
|
_res_en_offset, _res_on, _div) \
|
||||||
|
static struct clk_rpmh _platform##_##_name_active; \
|
||||||
|
static struct clk_rpmh _platform##_##_name = { \
|
||||||
|
.res_name = _res_name, \
|
||||||
|
.res_addr = _res_en_offset, \
|
||||||
|
.res_on_val = _res_on, \
|
||||||
|
.div = _div, \
|
||||||
|
.peer = &_platform##_##_name_active, \
|
||||||
|
.valid_state_mask = (BIT(RPMH_WAKE_ONLY_STATE) | \
|
||||||
|
BIT(RPMH_ACTIVE_ONLY_STATE) | \
|
||||||
|
BIT(RPMH_SLEEP_STATE)), \
|
||||||
|
.hw.init = &(struct clk_init_data){ \
|
||||||
|
.ops = &clk_rpmh_ops, \
|
||||||
|
.name = #_name, \
|
||||||
|
.parent_names = (const char *[]){ "xo_board" }, \
|
||||||
|
.num_parents = 1, \
|
||||||
|
}, \
|
||||||
|
}; \
|
||||||
|
static struct clk_rpmh _platform##_##_name_active = { \
|
||||||
|
.res_name = _res_name, \
|
||||||
|
.res_addr = _res_en_offset, \
|
||||||
|
.res_on_val = _res_on, \
|
||||||
|
.div = _div, \
|
||||||
|
.peer = &_platform##_##_name, \
|
||||||
|
.valid_state_mask = (BIT(RPMH_WAKE_ONLY_STATE) | \
|
||||||
|
BIT(RPMH_ACTIVE_ONLY_STATE)), \
|
||||||
|
.hw.init = &(struct clk_init_data){ \
|
||||||
|
.ops = &clk_rpmh_ops, \
|
||||||
|
.name = #_name_active, \
|
||||||
|
.parent_names = (const char *[]){ "xo_board" }, \
|
||||||
|
.num_parents = 1, \
|
||||||
|
}, \
|
||||||
|
}
|
||||||
|
|
||||||
|
#define DEFINE_CLK_RPMH_ARC(_platform, _name, _name_active, _res_name, \
|
||||||
|
_res_on, _div) \
|
||||||
|
__DEFINE_CLK_RPMH(_platform, _name, _name_active, _res_name, \
|
||||||
|
CLK_RPMH_ARC_EN_OFFSET, _res_on, _div)
|
||||||
|
|
||||||
|
#define DEFINE_CLK_RPMH_VRM(_platform, _name, _name_active, _res_name, \
|
||||||
|
_div) \
|
||||||
|
__DEFINE_CLK_RPMH(_platform, _name, _name_active, _res_name, \
|
||||||
|
CLK_RPMH_VRM_EN_OFFSET, 1, _div)
|
||||||
|
|
||||||
|
static inline struct clk_rpmh *to_clk_rpmh(struct clk_hw *_hw)
|
||||||
|
{
|
||||||
|
return container_of(_hw, struct clk_rpmh, hw);
|
||||||
|
}
|
||||||
|
|
||||||
|
static inline bool has_state_changed(struct clk_rpmh *c, u32 state)
|
||||||
|
{
|
||||||
|
return (c->last_sent_aggr_state & BIT(state))
|
||||||
|
!= (c->aggr_state & BIT(state));
|
||||||
|
}
|
||||||
|
|
||||||
|
static int clk_rpmh_send_aggregate_command(struct clk_rpmh *c)
|
||||||
|
{
|
||||||
|
struct tcs_cmd cmd = { 0 };
|
||||||
|
u32 cmd_state, on_val;
|
||||||
|
enum rpmh_state state = RPMH_SLEEP_STATE;
|
||||||
|
int ret;
|
||||||
|
|
||||||
|
cmd.addr = c->res_addr;
|
||||||
|
cmd_state = c->aggr_state;
|
||||||
|
on_val = c->res_on_val;
|
||||||
|
|
||||||
|
for (; state <= RPMH_ACTIVE_ONLY_STATE; state++) {
|
||||||
|
if (has_state_changed(c, state)) {
|
||||||
|
if (cmd_state & BIT(state))
|
||||||
|
cmd.data = on_val;
|
||||||
|
|
||||||
|
ret = rpmh_write_async(c->dev, state, &cmd, 1);
|
||||||
|
if (ret) {
|
||||||
|
dev_err(c->dev, "set %s state of %s failed: (%d)\n",
|
||||||
|
!state ? "sleep" :
|
||||||
|
state == RPMH_WAKE_ONLY_STATE ?
|
||||||
|
"wake" : "active", c->res_name, ret);
|
||||||
|
return ret;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
c->last_sent_aggr_state = c->aggr_state;
|
||||||
|
c->peer->last_sent_aggr_state = c->last_sent_aggr_state;
|
||||||
|
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Update state and aggregate state values based on enable value.
|
||||||
|
*/
|
||||||
|
static int clk_rpmh_aggregate_state_send_command(struct clk_rpmh *c,
|
||||||
|
bool enable)
|
||||||
|
{
|
||||||
|
int ret;
|
||||||
|
|
||||||
|
/* Nothing required to be done if already off or on */
|
||||||
|
if (enable == c->state)
|
||||||
|
return 0;
|
||||||
|
|
||||||
|
c->state = enable ? c->valid_state_mask : 0;
|
||||||
|
c->aggr_state = c->state | c->peer->state;
|
||||||
|
c->peer->aggr_state = c->aggr_state;
|
||||||
|
|
||||||
|
ret = clk_rpmh_send_aggregate_command(c);
|
||||||
|
if (!ret)
|
||||||
|
return 0;
|
||||||
|
|
||||||
|
if (ret && enable)
|
||||||
|
c->state = 0;
|
||||||
|
else if (ret)
|
||||||
|
c->state = c->valid_state_mask;
|
||||||
|
|
||||||
|
WARN(1, "clk: %s failed to %s\n", c->res_name,
|
||||||
|
enable ? "enable" : "disable");
|
||||||
|
return ret;
|
||||||
|
}
|
||||||
|
|
||||||
|
static int clk_rpmh_prepare(struct clk_hw *hw)
|
||||||
|
{
|
||||||
|
struct clk_rpmh *c = to_clk_rpmh(hw);
|
||||||
|
int ret = 0;
|
||||||
|
|
||||||
|
mutex_lock(&rpmh_clk_lock);
|
||||||
|
ret = clk_rpmh_aggregate_state_send_command(c, true);
|
||||||
|
mutex_unlock(&rpmh_clk_lock);
|
||||||
|
|
||||||
|
return ret;
|
||||||
|
};
|
||||||
|
|
||||||
|
static void clk_rpmh_unprepare(struct clk_hw *hw)
|
||||||
|
{
|
||||||
|
struct clk_rpmh *c = to_clk_rpmh(hw);
|
||||||
|
|
||||||
|
mutex_lock(&rpmh_clk_lock);
|
||||||
|
clk_rpmh_aggregate_state_send_command(c, false);
|
||||||
|
mutex_unlock(&rpmh_clk_lock);
|
||||||
|
};
|
||||||
|
|
||||||
|
static unsigned long clk_rpmh_recalc_rate(struct clk_hw *hw,
|
||||||
|
unsigned long prate)
|
||||||
|
{
|
||||||
|
struct clk_rpmh *r = to_clk_rpmh(hw);
|
||||||
|
|
||||||
|
/*
|
||||||
|
* RPMh clocks have a fixed rate. Return static rate.
|
||||||
|
*/
|
||||||
|
return prate / r->div;
|
||||||
|
}
|
||||||
|
|
||||||
|
static const struct clk_ops clk_rpmh_ops = {
|
||||||
|
.prepare = clk_rpmh_prepare,
|
||||||
|
.unprepare = clk_rpmh_unprepare,
|
||||||
|
.recalc_rate = clk_rpmh_recalc_rate,
|
||||||
|
};
|
||||||
|
|
||||||
|
/* Resource name must match resource id present in cmd-db. */
|
||||||
|
DEFINE_CLK_RPMH_ARC(sdm845, bi_tcxo, bi_tcxo_ao, "xo.lvl", 0x3, 2);
|
||||||
|
DEFINE_CLK_RPMH_VRM(sdm845, ln_bb_clk2, ln_bb_clk2_ao, "lnbclka2", 2);
|
||||||
|
DEFINE_CLK_RPMH_VRM(sdm845, ln_bb_clk3, ln_bb_clk3_ao, "lnbclka3", 2);
|
||||||
|
DEFINE_CLK_RPMH_VRM(sdm845, rf_clk1, rf_clk1_ao, "rfclka1", 1);
|
||||||
|
DEFINE_CLK_RPMH_VRM(sdm845, rf_clk2, rf_clk2_ao, "rfclka2", 1);
|
||||||
|
DEFINE_CLK_RPMH_VRM(sdm845, rf_clk3, rf_clk3_ao, "rfclka3", 1);
|
||||||
|
|
||||||
|
static struct clk_hw *sdm845_rpmh_clocks[] = {
|
||||||
|
[RPMH_CXO_CLK] = &sdm845_bi_tcxo.hw,
|
||||||
|
[RPMH_CXO_CLK_A] = &sdm845_bi_tcxo_ao.hw,
|
||||||
|
[RPMH_LN_BB_CLK2] = &sdm845_ln_bb_clk2.hw,
|
||||||
|
[RPMH_LN_BB_CLK2_A] = &sdm845_ln_bb_clk2_ao.hw,
|
||||||
|
[RPMH_LN_BB_CLK3] = &sdm845_ln_bb_clk3.hw,
|
||||||
|
[RPMH_LN_BB_CLK3_A] = &sdm845_ln_bb_clk3_ao.hw,
|
||||||
|
[RPMH_RF_CLK1] = &sdm845_rf_clk1.hw,
|
||||||
|
[RPMH_RF_CLK1_A] = &sdm845_rf_clk1_ao.hw,
|
||||||
|
[RPMH_RF_CLK2] = &sdm845_rf_clk2.hw,
|
||||||
|
[RPMH_RF_CLK2_A] = &sdm845_rf_clk2_ao.hw,
|
||||||
|
[RPMH_RF_CLK3] = &sdm845_rf_clk3.hw,
|
||||||
|
[RPMH_RF_CLK3_A] = &sdm845_rf_clk3_ao.hw,
|
||||||
|
};
|
||||||
|
|
||||||
|
static const struct clk_rpmh_desc clk_rpmh_sdm845 = {
|
||||||
|
.clks = sdm845_rpmh_clocks,
|
||||||
|
.num_clks = ARRAY_SIZE(sdm845_rpmh_clocks),
|
||||||
|
};
|
||||||
|
|
||||||
|
static struct clk_hw *of_clk_rpmh_hw_get(struct of_phandle_args *clkspec,
|
||||||
|
void *data)
|
||||||
|
{
|
||||||
|
struct clk_rpmh_desc *rpmh = data;
|
||||||
|
unsigned int idx = clkspec->args[0];
|
||||||
|
|
||||||
|
if (idx >= rpmh->num_clks) {
|
||||||
|
pr_err("%s: invalid index %u\n", __func__, idx);
|
||||||
|
return ERR_PTR(-EINVAL);
|
||||||
|
}
|
||||||
|
|
||||||
|
return rpmh->clks[idx];
|
||||||
|
}
|
||||||
|
|
||||||
|
static int clk_rpmh_probe(struct platform_device *pdev)
|
||||||
|
{
|
||||||
|
struct clk_hw **hw_clks;
|
||||||
|
struct clk_rpmh *rpmh_clk;
|
||||||
|
const struct clk_rpmh_desc *desc;
|
||||||
|
int ret, i;
|
||||||
|
|
||||||
|
desc = of_device_get_match_data(&pdev->dev);
|
||||||
|
if (!desc)
|
||||||
|
return -ENODEV;
|
||||||
|
|
||||||
|
hw_clks = desc->clks;
|
||||||
|
|
||||||
|
for (i = 0; i < desc->num_clks; i++) {
|
||||||
|
u32 res_addr;
|
||||||
|
|
||||||
|
rpmh_clk = to_clk_rpmh(hw_clks[i]);
|
||||||
|
res_addr = cmd_db_read_addr(rpmh_clk->res_name);
|
||||||
|
if (!res_addr) {
|
||||||
|
dev_err(&pdev->dev, "missing RPMh resource address for %s\n",
|
||||||
|
rpmh_clk->res_name);
|
||||||
|
return -ENODEV;
|
||||||
|
}
|
||||||
|
rpmh_clk->res_addr += res_addr;
|
||||||
|
rpmh_clk->dev = &pdev->dev;
|
||||||
|
|
||||||
|
ret = devm_clk_hw_register(&pdev->dev, hw_clks[i]);
|
||||||
|
if (ret) {
|
||||||
|
dev_err(&pdev->dev, "failed to register %s\n",
|
||||||
|
hw_clks[i]->init->name);
|
||||||
|
return ret;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/* typecast to silence compiler warning */
|
||||||
|
ret = devm_of_clk_add_hw_provider(&pdev->dev, of_clk_rpmh_hw_get,
|
||||||
|
(void *)desc);
|
||||||
|
if (ret) {
|
||||||
|
dev_err(&pdev->dev, "Failed to add clock provider\n");
|
||||||
|
return ret;
|
||||||
|
}
|
||||||
|
|
||||||
|
dev_dbg(&pdev->dev, "Registered RPMh clocks\n");
|
||||||
|
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
static const struct of_device_id clk_rpmh_match_table[] = {
|
||||||
|
{ .compatible = "qcom,sdm845-rpmh-clk", .data = &clk_rpmh_sdm845},
|
||||||
|
{ }
|
||||||
|
};
|
||||||
|
MODULE_DEVICE_TABLE(of, clk_rpmh_match_table);
|
||||||
|
|
||||||
|
static struct platform_driver clk_rpmh_driver = {
|
||||||
|
.probe = clk_rpmh_probe,
|
||||||
|
.driver = {
|
||||||
|
.name = "clk-rpmh",
|
||||||
|
.of_match_table = clk_rpmh_match_table,
|
||||||
|
},
|
||||||
|
};
|
||||||
|
|
||||||
|
static int __init clk_rpmh_init(void)
|
||||||
|
{
|
||||||
|
return platform_driver_register(&clk_rpmh_driver);
|
||||||
|
}
|
||||||
|
subsys_initcall(clk_rpmh_init);
|
||||||
|
|
||||||
|
static void __exit clk_rpmh_exit(void)
|
||||||
|
{
|
||||||
|
platform_driver_unregister(&clk_rpmh_driver);
|
||||||
|
}
|
||||||
|
module_exit(clk_rpmh_exit);
|
||||||
|
|
||||||
|
MODULE_DESCRIPTION("QCOM RPMh Clock Driver");
|
||||||
|
MODULE_LICENSE("GPL v2");
|
|
@ -1,14 +1,6 @@
|
||||||
|
// SPDX-License-Identifier: GPL-2.0
|
||||||
/*
|
/*
|
||||||
* Copyright (c) 2013-2014, The Linux Foundation. All rights reserved.
|
* Copyright (c) 2013-2014, The Linux Foundation. All rights reserved.
|
||||||
*
|
|
||||||
* This software is licensed under the terms of the GNU General Public
|
|
||||||
* License version 2, as published by the Free Software Foundation, and
|
|
||||||
* may be copied, distributed, and modified under those terms.
|
|
||||||
*
|
|
||||||
* 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/export.h>
|
#include <linux/export.h>
|
||||||
|
|
|
@ -1,15 +1,6 @@
|
||||||
/*
|
/* SPDX-License-Identifier: GPL-2.0 */
|
||||||
* Copyright (c) 2014, The Linux Foundation. All rights reserved.
|
/* Copyright (c) 2014, The Linux Foundation. All rights reserved. */
|
||||||
*
|
|
||||||
* This software is licensed under the terms of the GNU General Public
|
|
||||||
* License version 2, as published by the Free Software Foundation, and
|
|
||||||
* may be copied, distributed, and modified under those terms.
|
|
||||||
*
|
|
||||||
* 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.
|
|
||||||
*/
|
|
||||||
#ifndef __QCOM_CLK_COMMON_H__
|
#ifndef __QCOM_CLK_COMMON_H__
|
||||||
#define __QCOM_CLK_COMMON_H__
|
#define __QCOM_CLK_COMMON_H__
|
||||||
|
|
||||||
|
|
Loading…
Reference in a new issue