@@ -97,6 +97,17 @@ config IPQ_APSS_PLL
Say Y if you want to support CPU frequency scaling on ipq based
devices.
+config IPQ_APSS_6018
+ tristate "IPQ APSS Clock Controller"
+ select IPQ_APSS_PLL
+ depends on QCOM_APCS_IPC || COMPILE_TEST
+ help
+ Support for APSS clock controller on IPQ platforms. The
+ APSS clock controller manages the Mux and enable block that feeds the
+ CPUs.
+ Say Y if you want to support CPU frequency scaling on
+ ipq based devices.
+
config IPQ_GCC_4019
tristate "IPQ4019 Global Clock Controller"
help
@@ -20,6 +20,7 @@ clk-qcom-$(CONFIG_QCOM_GDSC) += gdsc.o
obj-$(CONFIG_APQ_GCC_8084) += gcc-apq8084.o
obj-$(CONFIG_APQ_MMCC_8084) += mmcc-apq8084.o
obj-$(CONFIG_IPQ_APSS_PLL) += apss-ipq-pll.o
+obj-$(CONFIG_IPQ_APSS_6018) += apss-ipq6018.o
obj-$(CONFIG_IPQ_GCC_4019) += gcc-ipq4019.o
obj-$(CONFIG_IPQ_GCC_6018) += gcc-ipq6018.o
obj-$(CONFIG_IPQ_GCC_806X) += gcc-ipq806x.o
new file mode 100644
@@ -0,0 +1,106 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2018, The Linux Foundation. All rights reserved.
+ */
+
+#include <linux/kernel.h>
+#include <linux/err.h>
+#include <linux/platform_device.h>
+#include <linux/clk-provider.h>
+#include <linux/regmap.h>
+#include <linux/module.h>
+
+#include <dt-bindings/clock/qcom,apss-ipq.h>
+
+#include "common.h"
+#include "clk-regmap.h"
+#include "clk-branch.h"
+#include "clk-alpha-pll.h"
+#include "clk-regmap-mux.h"
+
+enum {
+ P_XO,
+ P_APSS_PLL_EARLY,
+};
+
+static const struct clk_parent_data parents_apcs_alias0_clk_src[] = {
+ { .fw_name = "xo" },
+ { .fw_name = "pll" },
+};
+
+static const struct parent_map parents_apcs_alias0_clk_src_map[] = {
+ { P_XO, 0 },
+ { P_APSS_PLL_EARLY, 5 },
+};
+
+static struct clk_regmap_mux apcs_alias0_clk_src = {
+ .reg = 0x0050,
+ .width = 3,
+ .shift = 7,
+ .parent_map = parents_apcs_alias0_clk_src_map,
+ .clkr.hw.init = &(struct clk_init_data){
+ .name = "apcs_alias0_clk_src",
+ .parent_data = parents_apcs_alias0_clk_src,
+ .num_parents = 2,
+ .ops = &clk_regmap_mux_closest_ops,
+ .flags = CLK_SET_RATE_PARENT,
+ },
+};
+
+static struct clk_branch apcs_alias0_core_clk = {
+ .halt_reg = 0x0058,
+ .clkr = {
+ .enable_reg = 0x0058,
+ .enable_mask = BIT(0),
+ .hw.init = &(struct clk_init_data){
+ .name = "apcs_alias0_core_clk",
+ .parent_hws = (const struct clk_hw *[]){
+ &apcs_alias0_clk_src.clkr.hw },
+ .num_parents = 1,
+ .flags = CLK_SET_RATE_PARENT,
+ .ops = &clk_branch2_ops,
+ },
+ },
+};
+
+static const struct regmap_config apss_ipq6018_regmap_config = {
+ .reg_bits = 32,
+ .reg_stride = 4,
+ .val_bits = 32,
+ .max_register = 0x1000,
+ .fast_io = true,
+};
+
+static struct clk_regmap *apss_ipq6018_clks[] = {
+ [APCS_ALIAS0_CLK_SRC] = &apcs_alias0_clk_src.clkr,
+ [APCS_ALIAS0_CORE_CLK] = &apcs_alias0_core_clk.clkr,
+};
+
+static const struct qcom_cc_desc apss_ipq6018_desc = {
+ .config = &apss_ipq6018_regmap_config,
+ .clks = apss_ipq6018_clks,
+ .num_clks = ARRAY_SIZE(apss_ipq6018_clks),
+};
+
+static int apss_ipq6018_probe(struct platform_device *pdev)
+{
+ struct regmap *regmap;
+
+ regmap = dev_get_regmap(pdev->dev.parent, NULL);
+ if (IS_ERR(regmap))
+ return PTR_ERR(regmap);
+
+ return qcom_cc_really_probe(pdev, &apss_ipq6018_desc, regmap);
+}
+
+static struct platform_driver apss_ipq6018_driver = {
+ .probe = apss_ipq6018_probe,
+ .driver = {
+ .name = "qcom,apss-ipq6018-clk",
+ },
+};
+
+module_platform_driver(apss_ipq6018_driver);
+
+MODULE_DESCRIPTION("QCOM APSS IPQ 6018 CLK Driver");
+MODULE_LICENSE("GPL v2");