diff options
Diffstat (limited to 'target/linux/ipq806x/patches-4.19/0034-0003-clk-qcom-Add-HFPLL-driver.patch')
-rw-r--r-- | target/linux/ipq806x/patches-4.19/0034-0003-clk-qcom-Add-HFPLL-driver.patch | 142 |
1 files changed, 0 insertions, 142 deletions
diff --git a/target/linux/ipq806x/patches-4.19/0034-0003-clk-qcom-Add-HFPLL-driver.patch b/target/linux/ipq806x/patches-4.19/0034-0003-clk-qcom-Add-HFPLL-driver.patch deleted file mode 100644 index 292eb66d67..0000000000 --- a/target/linux/ipq806x/patches-4.19/0034-0003-clk-qcom-Add-HFPLL-driver.patch +++ /dev/null @@ -1,142 +0,0 @@ -From cb546b797a0da4dbb1a0c76a2a357921887b6189 Mon Sep 17 00:00:00 2001 -From: Stephen Boyd <sboyd@codeaurora.org> -Date: Tue, 14 Aug 2018 17:42:22 +0530 -Subject: [PATCH 03/12] clk: qcom: Add HFPLL driver - -On some devices (MSM8974 for example), the HFPLLs are -instantiated within the Krait processor subsystem as separate -register regions. Add a driver for these PLLs so that we can -provide HFPLL clocks for use by the system. - -Cc: <devicetree@vger.kernel.org> -Signed-off-by: Stephen Boyd <sboyd@codeaurora.org> -Signed-off-by: Sricharan R <sricharan@codeaurora.org> -Tested-by: Craig Tatlor <ctatlor97@gmail.com> -Signed-off-by: Stephen Boyd <sboyd@kernel.org> ---- - drivers/clk/qcom/Kconfig | 8 ++++ - drivers/clk/qcom/Makefile | 1 + - drivers/clk/qcom/hfpll.c | 96 +++++++++++++++++++++++++++++++++++++++ - 3 files changed, 105 insertions(+) - create mode 100644 drivers/clk/qcom/hfpll.c - ---- a/drivers/clk/qcom/Kconfig -+++ b/drivers/clk/qcom/Kconfig -@@ -272,3 +272,11 @@ config SPMI_PMIC_CLKDIV - Technologies, Inc. SPMI PMIC. It configures the frequency of - clkdiv outputs of the PMIC. These clocks are typically wired - through alternate functions on GPIO pins. -+ -+config QCOM_HFPLL -+ tristate "High-Frequency PLL (HFPLL) Clock Controller" -+ depends on COMMON_CLK_QCOM -+ help -+ Support for the high-frequency PLLs present on Qualcomm devices. -+ Say Y if you want to support CPU frequency scaling on devices -+ such as MSM8974, APQ8084, etc. ---- a/drivers/clk/qcom/Makefile -+++ b/drivers/clk/qcom/Makefile -@@ -44,3 +44,4 @@ obj-$(CONFIG_SDM_DISPCC_845) += dispcc-s - obj-$(CONFIG_SDM_GCC_845) += gcc-sdm845.o - obj-$(CONFIG_SDM_VIDEOCC_845) += videocc-sdm845.o - obj-$(CONFIG_SPMI_PMIC_CLKDIV) += clk-spmi-pmic-div.o -+obj-$(CONFIG_QCOM_HFPLL) += hfpll.o ---- /dev/null -+++ b/drivers/clk/qcom/hfpll.c -@@ -0,0 +1,96 @@ -+// SPDX-License-Identifier: GPL-2.0 -+// Copyright (c) 2018, The Linux Foundation. All rights reserved. -+ -+#include <linux/kernel.h> -+#include <linux/init.h> -+#include <linux/module.h> -+#include <linux/platform_device.h> -+#include <linux/of.h> -+#include <linux/clk.h> -+#include <linux/clk-provider.h> -+#include <linux/regmap.h> -+ -+#include "clk-regmap.h" -+#include "clk-hfpll.h" -+ -+static const struct hfpll_data hdata = { -+ .mode_reg = 0x00, -+ .l_reg = 0x04, -+ .m_reg = 0x08, -+ .n_reg = 0x0c, -+ .user_reg = 0x10, -+ .config_reg = 0x14, -+ .config_val = 0x430405d, -+ .status_reg = 0x1c, -+ .lock_bit = 16, -+ -+ .user_val = 0x8, -+ .user_vco_mask = 0x100000, -+ .low_vco_max_rate = 1248000000, -+ .min_rate = 537600000UL, -+ .max_rate = 2900000000UL, -+}; -+ -+static const struct of_device_id qcom_hfpll_match_table[] = { -+ { .compatible = "qcom,hfpll" }, -+ { } -+}; -+MODULE_DEVICE_TABLE(of, qcom_hfpll_match_table); -+ -+static const struct regmap_config hfpll_regmap_config = { -+ .reg_bits = 32, -+ .reg_stride = 4, -+ .val_bits = 32, -+ .max_register = 0x30, -+ .fast_io = true, -+}; -+ -+static int qcom_hfpll_probe(struct platform_device *pdev) -+{ -+ struct resource *res; -+ struct device *dev = &pdev->dev; -+ void __iomem *base; -+ struct regmap *regmap; -+ struct clk_hfpll *h; -+ struct clk_init_data init = { -+ .parent_names = (const char *[]){ "xo" }, -+ .num_parents = 1, -+ .ops = &clk_ops_hfpll, -+ }; -+ -+ h = devm_kzalloc(dev, sizeof(*h), GFP_KERNEL); -+ if (!h) -+ return -ENOMEM; -+ -+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0); -+ base = devm_ioremap_resource(dev, res); -+ if (IS_ERR(base)) -+ return PTR_ERR(base); -+ -+ regmap = devm_regmap_init_mmio(&pdev->dev, base, &hfpll_regmap_config); -+ if (IS_ERR(regmap)) -+ return PTR_ERR(regmap); -+ -+ if (of_property_read_string_index(dev->of_node, "clock-output-names", -+ 0, &init.name)) -+ return -ENODEV; -+ -+ h->d = &hdata; -+ h->clkr.hw.init = &init; -+ spin_lock_init(&h->lock); -+ -+ return devm_clk_register_regmap(&pdev->dev, &h->clkr); -+} -+ -+static struct platform_driver qcom_hfpll_driver = { -+ .probe = qcom_hfpll_probe, -+ .driver = { -+ .name = "qcom-hfpll", -+ .of_match_table = qcom_hfpll_match_table, -+ }, -+}; -+module_platform_driver(qcom_hfpll_driver); -+ -+MODULE_DESCRIPTION("QCOM HFPLL Clock Driver"); -+MODULE_LICENSE("GPL v2"); -+MODULE_ALIAS("platform:qcom-hfpll"); |