diff options
Diffstat (limited to 'target/linux/ipq806x/patches-5.4/0034-0008-clk-qcom-Add-KPSS-ACC-GCC-driver.patch')
| -rw-r--r-- | target/linux/ipq806x/patches-5.4/0034-0008-clk-qcom-Add-KPSS-ACC-GCC-driver.patch | 134 |
1 files changed, 0 insertions, 134 deletions
diff --git a/target/linux/ipq806x/patches-5.4/0034-0008-clk-qcom-Add-KPSS-ACC-GCC-driver.patch b/target/linux/ipq806x/patches-5.4/0034-0008-clk-qcom-Add-KPSS-ACC-GCC-driver.patch deleted file mode 100644 index aa19ea2e3f..0000000000 --- a/target/linux/ipq806x/patches-5.4/0034-0008-clk-qcom-Add-KPSS-ACC-GCC-driver.patch +++ /dev/null @@ -1,134 +0,0 @@ -From 3ddc3564d3c9f097986bd4ccbe34152413811335 Mon Sep 17 00:00:00 2001 -From: Stephen Boyd <sboyd@codeaurora.org> -Date: Tue, 14 Aug 2018 17:42:27 +0530 -Subject: [PATCH 08/12] clk: qcom: Add KPSS ACC/GCC driver - -The ACC and GCC regions present in KPSSv1 contain registers to -control clocks and power to each Krait CPU and L2. For CPUfreq -purposes probe these devices and expose a mux clock that chooses -between PXO and PLL8. - -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/kpss-xcc.c | 87 +++++++++++++++++++++++++++++++++++++ - 3 files changed, 96 insertions(+) - create mode 100644 drivers/clk/qcom/kpss-xcc.c - ---- a/drivers/clk/qcom/Kconfig -+++ b/drivers/clk/qcom/Kconfig -@@ -284,3 +284,11 @@ config QCOM_HFPLL - 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. -+ -+config KPSS_XCC -+ tristate "KPSS Clock Controller" -+ depends on COMMON_CLK_QCOM -+ help -+ Support for the Krait ACC and GCC clock controllers. Say Y -+ if you want to support CPU frequency scaling on devices such -+ as MSM8960, APQ8064, etc. ---- a/drivers/clk/qcom/Makefile -+++ b/drivers/clk/qcom/Makefile -@@ -45,4 +45,5 @@ 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-$(CONFIG_KPSS_XCC) += kpss-xcc.o - obj-$(CONFIG_QCOM_HFPLL) += hfpll.o ---- /dev/null -+++ b/drivers/clk/qcom/kpss-xcc.c -@@ -0,0 +1,87 @@ -+// 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/err.h> -+#include <linux/io.h> -+#include <linux/of.h> -+#include <linux/of_device.h> -+#include <linux/clk.h> -+#include <linux/clk-provider.h> -+ -+static const char *aux_parents[] = { -+ "pll8_vote", -+ "pxo", -+}; -+ -+static unsigned int aux_parent_map[] = { -+ 3, -+ 0, -+}; -+ -+static const struct of_device_id kpss_xcc_match_table[] = { -+ { .compatible = "qcom,kpss-acc-v1", .data = (void *)1UL }, -+ { .compatible = "qcom,kpss-gcc" }, -+ {} -+}; -+MODULE_DEVICE_TABLE(of, kpss_xcc_match_table); -+ -+static int kpss_xcc_driver_probe(struct platform_device *pdev) -+{ -+ const struct of_device_id *id; -+ struct clk *clk; -+ struct resource *res; -+ void __iomem *base; -+ const char *name; -+ -+ id = of_match_device(kpss_xcc_match_table, &pdev->dev); -+ if (!id) -+ return -ENODEV; -+ -+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0); -+ base = devm_ioremap_resource(&pdev->dev, res); -+ if (IS_ERR(base)) -+ return PTR_ERR(base); -+ -+ if (id->data) { -+ if (of_property_read_string_index(pdev->dev.of_node, -+ "clock-output-names", -+ 0, &name)) -+ return -ENODEV; -+ base += 0x14; -+ } else { -+ name = "acpu_l2_aux"; -+ base += 0x28; -+ } -+ -+ clk = clk_register_mux_table(&pdev->dev, name, aux_parents, -+ ARRAY_SIZE(aux_parents), 0, base, 0, 0x3, -+ 0, aux_parent_map, NULL); -+ -+ platform_set_drvdata(pdev, clk); -+ -+ return PTR_ERR_OR_ZERO(clk); -+} -+ -+static int kpss_xcc_driver_remove(struct platform_device *pdev) -+{ -+ clk_unregister_mux(platform_get_drvdata(pdev)); -+ return 0; -+} -+ -+static struct platform_driver kpss_xcc_driver = { -+ .probe = kpss_xcc_driver_probe, -+ .remove = kpss_xcc_driver_remove, -+ .driver = { -+ .name = "kpss-xcc", -+ .of_match_table = kpss_xcc_match_table, -+ }, -+}; -+module_platform_driver(kpss_xcc_driver); -+ -+MODULE_DESCRIPTION("Krait Processor Sub System (KPSS) Clock Driver"); -+MODULE_LICENSE("GPL v2"); -+MODULE_ALIAS("platform:kpss-xcc"); |