Adding upstream version 6.6.15.upstream/6.6.15

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 216 insertions, 0 deletions

diff --git a/drivers/clk/qcom/apss-ipq-pll.c b/drivers/clk/qcom/apss-ipq-pll.c
new file mode 100644
index 0000000000..41279e5437
--- /dev/null
+++ b/drivers/clk/qcom/apss-ipq-pll.c
@@ -0,0 +1,216 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2018, The Linux Foundation. All rights reserved.
+#include <linux/clk-provider.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/platform_device.h>
+#include <linux/regmap.h>
+
+#include "clk-alpha-pll.h"
+
+/*
+ * Even though APSS PLL type is of existing one (like Huayra), its offsets
+ * are different from the one mentioned in the clk-alpha-pll.c, since the
+ * PLL is specific to APSS, so lets the define the same.
+ */
+static const u8 ipq_pll_offsets[][PLL_OFF_MAX_REGS] = {
+	[CLK_ALPHA_PLL_TYPE_HUAYRA] =  {
+		[PLL_OFF_L_VAL] = 0x08,
+		[PLL_OFF_ALPHA_VAL] = 0x10,
+		[PLL_OFF_USER_CTL] = 0x18,
+		[PLL_OFF_CONFIG_CTL] = 0x20,
+		[PLL_OFF_CONFIG_CTL_U] = 0x24,
+		[PLL_OFF_STATUS] = 0x28,
+		[PLL_OFF_TEST_CTL] = 0x30,
+		[PLL_OFF_TEST_CTL_U] = 0x34,
+	},
+	[CLK_ALPHA_PLL_TYPE_STROMER_PLUS] = {
+		[PLL_OFF_L_VAL] = 0x08,
+		[PLL_OFF_ALPHA_VAL] = 0x10,
+		[PLL_OFF_ALPHA_VAL_U] = 0x14,
+		[PLL_OFF_USER_CTL] = 0x18,
+		[PLL_OFF_USER_CTL_U] = 0x1c,
+		[PLL_OFF_CONFIG_CTL] = 0x20,
+		[PLL_OFF_STATUS] = 0x28,
+		[PLL_OFF_TEST_CTL] = 0x30,
+		[PLL_OFF_TEST_CTL_U] = 0x34,
+	},
+};
+
+static struct clk_alpha_pll ipq_pll_huayra = {
+	.offset = 0x0,
+	.regs = ipq_pll_offsets[CLK_ALPHA_PLL_TYPE_HUAYRA],
+	.flags = SUPPORTS_DYNAMIC_UPDATE,
+	.clkr = {
+		.enable_reg = 0x0,
+		.enable_mask = BIT(0),
+		.hw.init = &(struct clk_init_data){
+			.name = "a53pll",
+			.parent_data = &(const struct clk_parent_data) {
+				.fw_name = "xo",
+			},
+			.num_parents = 1,
+			.ops = &clk_alpha_pll_huayra_ops,
+		},
+	},
+};
+
+static struct clk_alpha_pll ipq_pll_stromer_plus = {
+	.offset = 0x0,
+	.regs = ipq_pll_offsets[CLK_ALPHA_PLL_TYPE_STROMER_PLUS],
+	.flags = SUPPORTS_DYNAMIC_UPDATE,
+	.clkr = {
+		.enable_reg = 0x0,
+		.enable_mask = BIT(0),
+		.hw.init = &(struct clk_init_data){
+			.name = "a53pll",
+			.parent_data = &(const struct clk_parent_data) {
+				.fw_name = "xo",
+			},
+			.num_parents = 1,
+			.ops = &clk_alpha_pll_stromer_plus_ops,
+		},
+	},
+};
+
+static const struct alpha_pll_config ipq5332_pll_config = {
+	.l = 0x2d,
+	.config_ctl_val = 0x4001075b,
+	.config_ctl_hi_val = 0x304,
+	.main_output_mask = BIT(0),
+	.aux_output_mask = BIT(1),
+	.early_output_mask = BIT(3),
+	.alpha_en_mask = BIT(24),
+	.status_val = 0x3,
+	.status_mask = GENMASK(10, 8),
+	.lock_det = BIT(2),
+	.test_ctl_hi_val = 0x00400003,
+};
+
+static const struct alpha_pll_config ipq6018_pll_config = {
+	.l = 0x37,
+	.config_ctl_val = 0x240d4828,
+	.config_ctl_hi_val = 0x6,
+	.early_output_mask = BIT(3),
+	.aux2_output_mask = BIT(2),
+	.aux_output_mask = BIT(1),
+	.main_output_mask = BIT(0),
+	.test_ctl_val = 0x1c0000C0,
+	.test_ctl_hi_val = 0x4000,
+};
+
+static const struct alpha_pll_config ipq8074_pll_config = {
+	.l = 0x48,
+	.config_ctl_val = 0x200d4828,
+	.config_ctl_hi_val = 0x6,
+	.early_output_mask = BIT(3),
+	.aux2_output_mask = BIT(2),
+	.aux_output_mask = BIT(1),
+	.main_output_mask = BIT(0),
+	.test_ctl_val = 0x1c000000,
+	.test_ctl_hi_val = 0x4000,
+};
+
+static const struct alpha_pll_config ipq9574_pll_config = {
+	.l = 0x3b,
+	.config_ctl_val = 0x200d4828,
+	.config_ctl_hi_val = 0x6,
+	.early_output_mask = BIT(3),
+	.aux2_output_mask = BIT(2),
+	.aux_output_mask = BIT(1),
+	.main_output_mask = BIT(0),
+	.test_ctl_val = 0x0,
+	.test_ctl_hi_val = 0x4000,
+};
+
+struct apss_pll_data {
+	int pll_type;
+	struct clk_alpha_pll *pll;
+	const struct alpha_pll_config *pll_config;
+};
+
+static struct apss_pll_data ipq5332_pll_data = {
+	.pll_type = CLK_ALPHA_PLL_TYPE_STROMER_PLUS,
+	.pll = &ipq_pll_stromer_plus,
+	.pll_config = &ipq5332_pll_config,
+};
+
+static struct apss_pll_data ipq8074_pll_data = {
+	.pll_type = CLK_ALPHA_PLL_TYPE_HUAYRA,
+	.pll = &ipq_pll_huayra,
+	.pll_config = &ipq8074_pll_config,
+};
+
+static struct apss_pll_data ipq6018_pll_data = {
+	.pll_type = CLK_ALPHA_PLL_TYPE_HUAYRA,
+	.pll = &ipq_pll_huayra,
+	.pll_config = &ipq6018_pll_config,
+};
+
+static struct apss_pll_data ipq9574_pll_data = {
+	.pll_type = CLK_ALPHA_PLL_TYPE_HUAYRA,
+	.pll = &ipq_pll_huayra,
+	.pll_config = &ipq9574_pll_config,
+};
+
+static const struct regmap_config ipq_pll_regmap_config = {
+	.reg_bits		= 32,
+	.reg_stride		= 4,
+	.val_bits		= 32,
+	.max_register		= 0x40,
+	.fast_io		= true,
+};
+
+static int apss_ipq_pll_probe(struct platform_device *pdev)
+{
+	const struct apss_pll_data *data;
+	struct device *dev = &pdev->dev;
+	struct regmap *regmap;
+	void __iomem *base;
+	int ret;
+
+	base = devm_platform_ioremap_resource(pdev, 0);
+	if (IS_ERR(base))
+		return PTR_ERR(base);
+
+	regmap = devm_regmap_init_mmio(dev, base, &ipq_pll_regmap_config);
+	if (IS_ERR(regmap))
+		return PTR_ERR(regmap);
+
+	data = of_device_get_match_data(&pdev->dev);
+	if (!data)
+		return -ENODEV;
+
+	if (data->pll_type == CLK_ALPHA_PLL_TYPE_HUAYRA)
+		clk_alpha_pll_configure(data->pll, regmap, data->pll_config);
+	else if (data->pll_type == CLK_ALPHA_PLL_TYPE_STROMER_PLUS)
+		clk_stromer_pll_configure(data->pll, regmap, data->pll_config);
+
+	ret = devm_clk_register_regmap(dev, &data->pll->clkr);
+	if (ret)
+		return ret;
+
+	return devm_of_clk_add_hw_provider(dev, of_clk_hw_simple_get,
+					   &data->pll->clkr.hw);
+}
+
+static const struct of_device_id apss_ipq_pll_match_table[] = {
+	{ .compatible = "qcom,ipq5332-a53pll", .data = &ipq5332_pll_data },
+	{ .compatible = "qcom,ipq6018-a53pll", .data = &ipq6018_pll_data },
+	{ .compatible = "qcom,ipq8074-a53pll", .data = &ipq8074_pll_data },
+	{ .compatible = "qcom,ipq9574-a73pll", .data = &ipq9574_pll_data },
+	{ }
+};
+MODULE_DEVICE_TABLE(of, apss_ipq_pll_match_table);
+
+static struct platform_driver apss_ipq_pll_driver = {
+	.probe = apss_ipq_pll_probe,
+	.driver = {
+		.name = "qcom-ipq-apss-pll",
+		.of_match_table = apss_ipq_pll_match_table,
+	},
+};
+module_platform_driver(apss_ipq_pll_driver);
+
+MODULE_DESCRIPTION("Qualcomm technology Inc APSS ALPHA PLL Driver");
+MODULE_LICENSE("GPL v2");