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Date: Wed, 25 Oct 2023 09:32:44 +0200
From: Neil Armstrong <neil.armstrong@...aro.org>
To: Andy Gross <agross@...nel.org>,
Bjorn Andersson <andersson@...nel.org>,
Konrad Dybcio <konrad.dybcio@...aro.org>,
Michael Turquette <mturquette@...libre.com>,
Stephen Boyd <sboyd@...nel.org>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Conor Dooley <conor+dt@...nel.org>,
Philipp Zabel <p.zabel@...gutronix.de>,
Taniya Das <quic_tdas@...cinc.com>
Cc: linux-arm-msm@...r.kernel.org, linux-clk@...r.kernel.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
Neil Armstrong <neil.armstrong@...aro.org>
Subject: [PATCH 07/10] clk: qcom: add the SM8650 TCSR Clock Controller
driver
Add TCSR Clock Controller support for SM8650 platform.
Signed-off-by: Neil Armstrong <neil.armstrong@...aro.org>
---
drivers/clk/qcom/Kconfig | 7 ++
drivers/clk/qcom/Makefile | 1 +
drivers/clk/qcom/tcsrcc-sm8650.c | 192 +++++++++++++++++++++++++++++++++++++++
3 files changed, 200 insertions(+)
diff --git a/drivers/clk/qcom/Kconfig b/drivers/clk/qcom/Kconfig
index f554545e6f89..c04b6526f4f3 100644
--- a/drivers/clk/qcom/Kconfig
+++ b/drivers/clk/qcom/Kconfig
@@ -1035,6 +1035,13 @@ config SM_TCSRCC_8550
Support for the TCSR clock controller on SM8550 devices.
Say Y if you want to use peripheral devices such as SD/UFS.
+config SM_TCSRCC_8650
+ tristate "SM8650 TCSR Clock Controller"
+ select QCOM_GDSC
+ help
+ Support for the TCSR clock controller on SM8650 devices.
+ Say Y if you want to use peripheral devices such as SD/UFS.
+
config SM_VIDEOCC_8150
tristate "SM8150 Video Clock Controller"
depends on ARM64 || COMPILE_TEST
diff --git a/drivers/clk/qcom/Makefile b/drivers/clk/qcom/Makefile
index 5363ba13f89b..6ec026a137ec 100644
--- a/drivers/clk/qcom/Makefile
+++ b/drivers/clk/qcom/Makefile
@@ -132,6 +132,7 @@ obj-$(CONFIG_SM_GPUCC_8350) += gpucc-sm8350.o
obj-$(CONFIG_SM_GPUCC_8450) += gpucc-sm8450.o
obj-$(CONFIG_SM_GPUCC_8550) += gpucc-sm8550.o
obj-$(CONFIG_SM_TCSRCC_8550) += tcsrcc-sm8550.o
+obj-$(CONFIG_SM_TCSRCC_8650) += tcsrcc-sm8650.o
obj-$(CONFIG_SM_VIDEOCC_8150) += videocc-sm8150.o
obj-$(CONFIG_SM_VIDEOCC_8250) += videocc-sm8250.o
obj-$(CONFIG_SM_VIDEOCC_8350) += videocc-sm8350.o
diff --git a/drivers/clk/qcom/tcsrcc-sm8650.c b/drivers/clk/qcom/tcsrcc-sm8650.c
new file mode 100644
index 000000000000..969f7bbc668b
--- /dev/null
+++ b/drivers/clk/qcom/tcsrcc-sm8650.c
@@ -0,0 +1,192 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (c) 2021, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2022, Qualcomm Innovation Center, Inc. All rights reserved.
+ * Copyright (c) 2023, Linaro Limited
+ */
+
+#include <linux/clk-provider.h>
+#include <linux/module.h>
+#include <linux/of_device.h>
+#include <linux/regmap.h>
+
+#include <dt-bindings/clock/qcom,sm8650-tcsr.h>
+
+#include "clk-alpha-pll.h"
+#include "clk-branch.h"
+#include "clk-pll.h"
+#include "clk-rcg.h"
+#include "clk-regmap.h"
+#include "clk-regmap-divider.h"
+#include "clk-regmap-mux.h"
+#include "common.h"
+#include "reset.h"
+
+enum {
+ DT_BI_TCXO_PAD,
+};
+
+static struct clk_branch tcsr_pcie_0_clkref_en = {
+ .halt_reg = 0x31100,
+ .halt_check = BRANCH_HALT_DELAY,
+ .clkr = {
+ .enable_reg = 0x31100,
+ .enable_mask = BIT(0),
+ .hw.init = &(struct clk_init_data){
+ .name = "tcsr_pcie_0_clkref_en",
+ .parent_data = &(const struct clk_parent_data){
+ .index = DT_BI_TCXO_PAD,
+ },
+ .num_parents = 1,
+ .ops = &clk_branch2_ops,
+ },
+ },
+};
+
+static struct clk_branch tcsr_pcie_1_clkref_en = {
+ .halt_reg = 0x31114,
+ .halt_check = BRANCH_HALT_DELAY,
+ .clkr = {
+ .enable_reg = 0x31114,
+ .enable_mask = BIT(0),
+ .hw.init = &(struct clk_init_data){
+ .name = "tcsr_pcie_1_clkref_en",
+ .parent_data = &(const struct clk_parent_data){
+ .index = DT_BI_TCXO_PAD,
+ },
+ .num_parents = 1,
+ .ops = &clk_branch2_ops,
+ },
+ },
+};
+
+static struct clk_branch tcsr_ufs_clkref_en = {
+ .halt_reg = 0x31110,
+ .halt_check = BRANCH_HALT_DELAY,
+ .clkr = {
+ .enable_reg = 0x31110,
+ .enable_mask = BIT(0),
+ .hw.init = &(struct clk_init_data){
+ .name = "tcsr_ufs_clkref_en",
+ .parent_data = &(const struct clk_parent_data){
+ .index = DT_BI_TCXO_PAD,
+ },
+ .num_parents = 1,
+ .ops = &clk_branch2_ops,
+ },
+ },
+};
+
+static struct clk_branch tcsr_ufs_pad_clkref_en = {
+ .halt_reg = 0x31104,
+ .halt_check = BRANCH_HALT_DELAY,
+ .clkr = {
+ .enable_reg = 0x31104,
+ .enable_mask = BIT(0),
+ .hw.init = &(struct clk_init_data){
+ .name = "tcsr_ufs_pad_clkref_en",
+ .parent_data = &(const struct clk_parent_data){
+ .index = DT_BI_TCXO_PAD,
+ },
+ .num_parents = 1,
+ .ops = &clk_branch2_ops,
+ },
+ },
+};
+
+static struct clk_branch tcsr_usb2_clkref_en = {
+ .halt_reg = 0x31118,
+ .halt_check = BRANCH_HALT_DELAY,
+ .clkr = {
+ .enable_reg = 0x31118,
+ .enable_mask = BIT(0),
+ .hw.init = &(struct clk_init_data){
+ .name = "tcsr_usb2_clkref_en",
+ .parent_data = &(const struct clk_parent_data){
+ .index = DT_BI_TCXO_PAD,
+ },
+ .num_parents = 1,
+ .ops = &clk_branch2_ops,
+ },
+ },
+};
+
+static struct clk_branch tcsr_usb3_clkref_en = {
+ .halt_reg = 0x31108,
+ .halt_check = BRANCH_HALT_DELAY,
+ .clkr = {
+ .enable_reg = 0x31108,
+ .enable_mask = BIT(0),
+ .hw.init = &(struct clk_init_data){
+ .name = "tcsr_usb3_clkref_en",
+ .parent_data = &(const struct clk_parent_data){
+ .index = DT_BI_TCXO_PAD,
+ },
+ .num_parents = 1,
+ .ops = &clk_branch2_ops,
+ },
+ },
+};
+
+static struct clk_regmap *tcsr_cc_sm8650_clocks[] = {
+ [TCSR_PCIE_0_CLKREF_EN] = &tcsr_pcie_0_clkref_en.clkr,
+ [TCSR_PCIE_1_CLKREF_EN] = &tcsr_pcie_1_clkref_en.clkr,
+ [TCSR_UFS_CLKREF_EN] = &tcsr_ufs_clkref_en.clkr,
+ [TCSR_UFS_PAD_CLKREF_EN] = &tcsr_ufs_pad_clkref_en.clkr,
+ [TCSR_USB2_CLKREF_EN] = &tcsr_usb2_clkref_en.clkr,
+ [TCSR_USB3_CLKREF_EN] = &tcsr_usb3_clkref_en.clkr,
+};
+
+static const struct regmap_config tcsr_cc_sm8650_regmap_config = {
+ .reg_bits = 32,
+ .reg_stride = 4,
+ .val_bits = 32,
+ .max_register = 0x3b000,
+ .fast_io = true,
+};
+
+static const struct qcom_cc_desc tcsr_cc_sm8650_desc = {
+ .config = &tcsr_cc_sm8650_regmap_config,
+ .clks = tcsr_cc_sm8650_clocks,
+ .num_clks = ARRAY_SIZE(tcsr_cc_sm8650_clocks),
+};
+
+static const struct of_device_id tcsr_cc_sm8650_match_table[] = {
+ { .compatible = "qcom,sm8650-tcsr" },
+ { }
+};
+MODULE_DEVICE_TABLE(of, tcsr_cc_sm8650_match_table);
+
+static int tcsr_cc_sm8650_probe(struct platform_device *pdev)
+{
+ struct regmap *regmap;
+
+ regmap = qcom_cc_map(pdev, &tcsr_cc_sm8650_desc);
+ if (IS_ERR(regmap))
+ return PTR_ERR(regmap);
+
+ return qcom_cc_really_probe(pdev, &tcsr_cc_sm8650_desc, regmap);
+}
+
+static struct platform_driver tcsr_cc_sm8650_driver = {
+ .probe = tcsr_cc_sm8650_probe,
+ .driver = {
+ .name = "tcsr_cc-sm8650",
+ .of_match_table = tcsr_cc_sm8650_match_table,
+ },
+};
+
+static int __init tcsr_cc_sm8650_init(void)
+{
+ return platform_driver_register(&tcsr_cc_sm8650_driver);
+}
+subsys_initcall(tcsr_cc_sm8650_init);
+
+static void __exit tcsr_cc_sm8650_exit(void)
+{
+ platform_driver_unregister(&tcsr_cc_sm8650_driver);
+}
+module_exit(tcsr_cc_sm8650_exit);
+
+MODULE_DESCRIPTION("QTI TCSRCC SM8650 Driver");
+MODULE_LICENSE("GPL");
--
2.34.1
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