diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.4/0155-clk-bcm2835-Add-a-driver-for-the-auxiliary-periphera.patch')
| -rw-r--r-- | target/linux/brcm2708/patches-4.4/0155-clk-bcm2835-Add-a-driver-for-the-auxiliary-periphera.patch | 118 |
1 files changed, 0 insertions, 118 deletions
diff --git a/target/linux/brcm2708/patches-4.4/0155-clk-bcm2835-Add-a-driver-for-the-auxiliary-periphera.patch b/target/linux/brcm2708/patches-4.4/0155-clk-bcm2835-Add-a-driver-for-the-auxiliary-periphera.patch deleted file mode 100644 index 4e1911b187..0000000000 --- a/target/linux/brcm2708/patches-4.4/0155-clk-bcm2835-Add-a-driver-for-the-auxiliary-periphera.patch +++ /dev/null @@ -1,118 +0,0 @@ -From dd08a123b91b1265b9f69a7a819b0a0f907a5a6f Mon Sep 17 00:00:00 2001 -From: Eric Anholt <eric@anholt.net> -Date: Tue, 15 Dec 2015 15:35:58 -0800 -Subject: [PATCH] clk: bcm2835: Add a driver for the auxiliary peripheral clock - gates. - -There are a pair of SPI masters and a mini UART that were last minute -additions. As a result, they didn't get integrated in the same way as -the other gates off of the VPU clock in CPRMAN. - -Signed-off-by: Eric Anholt <eric@anholt.net> -Signed-off-by: Michael Turquette <mturquette@baylibre.com> - -updated Makefile to preserve the rasoberry pi architectures ---- - drivers/clk/bcm/Makefile | 1 + - drivers/clk/bcm/clk-bcm2835-aux.c | 85 +++++++++++++++++++++++++++++++++++++++ - 2 files changed, 86 insertions(+) - create mode 100644 drivers/clk/bcm/clk-bcm2835-aux.c - ---- a/drivers/clk/bcm/Makefile -+++ b/drivers/clk/bcm/Makefile -@@ -4,6 +4,7 @@ obj-$(CONFIG_CLK_BCM_KONA) += clk-bcm281 - obj-$(CONFIG_CLK_BCM_KONA) += clk-bcm21664.o - obj-$(CONFIG_COMMON_CLK_IPROC) += clk-iproc-armpll.o clk-iproc-pll.o clk-iproc-asiu.o - obj-$(CONFIG_ARCH_BCM2835)$(CONFIG_ARCH_BCM2708)$(CONFIG_ARCH_BCM2709) += clk-bcm2835.o -+obj-$(CONFIG_ARCH_BCM2835) += clk-bcm2835-aux.o - obj-$(CONFIG_COMMON_CLK_IPROC) += clk-ns2.o - obj-$(CONFIG_ARCH_BCM_CYGNUS) += clk-cygnus.o - obj-$(CONFIG_ARCH_BCM_NSP) += clk-nsp.o ---- /dev/null -+++ b/drivers/clk/bcm/clk-bcm2835-aux.c -@@ -0,0 +1,85 @@ -+/* -+ * Copyright (C) 2015 Broadcom -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License as published by -+ * the Free Software Foundation; either version 2 of the License, or -+ * (at your option) any later version. -+ * -+ * This program is distributed in the hope that it will be useful, -+ * but WITHOUT ANY WARRANTY; without even the implied warranty of -+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -+ * GNU General Public License for more details. -+ */ -+ -+#include <linux/clk.h> -+#include <linux/clk-provider.h> -+#include <linux/clk/bcm2835.h> -+#include <linux/module.h> -+#include <linux/platform_device.h> -+#include <dt-bindings/clock/bcm2835-aux.h> -+ -+#define BCM2835_AUXIRQ 0x00 -+#define BCM2835_AUXENB 0x04 -+ -+static int bcm2835_aux_clk_probe(struct platform_device *pdev) -+{ -+ struct device *dev = &pdev->dev; -+ struct clk_onecell_data *onecell; -+ const char *parent; -+ struct clk *parent_clk; -+ struct resource *res; -+ void __iomem *reg, *gate; -+ -+ parent_clk = devm_clk_get(dev, NULL); -+ if (IS_ERR(parent_clk)) -+ return PTR_ERR(parent_clk); -+ parent = __clk_get_name(parent_clk); -+ -+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0); -+ reg = devm_ioremap_resource(dev, res); -+ if (!reg) -+ return -ENODEV; -+ -+ onecell = devm_kmalloc(dev, sizeof(*onecell), GFP_KERNEL); -+ if (!onecell) -+ return -ENOMEM; -+ onecell->clk_num = BCM2835_AUX_CLOCK_COUNT; -+ onecell->clks = devm_kcalloc(dev, BCM2835_AUX_CLOCK_COUNT, -+ sizeof(*onecell->clks), GFP_KERNEL); -+ if (!onecell->clks) -+ return -ENOMEM; -+ -+ gate = reg + BCM2835_AUXENB; -+ onecell->clks[BCM2835_AUX_CLOCK_UART] = -+ clk_register_gate(dev, "aux_uart", parent, 0, gate, 0, 0, NULL); -+ -+ onecell->clks[BCM2835_AUX_CLOCK_SPI1] = -+ clk_register_gate(dev, "aux_spi1", parent, 0, gate, 1, 0, NULL); -+ -+ onecell->clks[BCM2835_AUX_CLOCK_SPI2] = -+ clk_register_gate(dev, "aux_spi2", parent, 0, gate, 2, 0, NULL); -+ -+ of_clk_add_provider(pdev->dev.of_node, of_clk_src_onecell_get, onecell); -+ -+ return 0; -+} -+ -+static const struct of_device_id bcm2835_aux_clk_of_match[] = { -+ { .compatible = "brcm,bcm2835-aux", }, -+ {}, -+}; -+MODULE_DEVICE_TABLE(of, bcm2835_aux_clk_of_match); -+ -+static struct platform_driver bcm2835_aux_clk_driver = { -+ .driver = { -+ .name = "bcm2835-aux-clk", -+ .of_match_table = bcm2835_aux_clk_of_match, -+ }, -+ .probe = bcm2835_aux_clk_probe, -+}; -+builtin_platform_driver(bcm2835_aux_clk_driver); -+ -+MODULE_AUTHOR("Eric Anholt <eric@anholt.net>"); -+MODULE_DESCRIPTION("BCM2835 auxiliary peripheral clock driver"); -+MODULE_LICENSE("GPL v2"); |