diff options
Diffstat (limited to 'drivers/staging/board')
| -rw-r--r-- | drivers/staging/board/Kconfig | 12 | ||||
| -rw-r--r-- | drivers/staging/board/Makefile | 4 | ||||
| -rw-r--r-- | drivers/staging/board/TODO | 2 | ||||
| -rw-r--r-- | drivers/staging/board/armadillo800eva.c | 88 | ||||
| -rw-r--r-- | drivers/staging/board/board.c | 204 | ||||
| -rw-r--r-- | drivers/staging/board/board.h | 46 | ||||
| -rw-r--r-- | drivers/staging/board/kzm9d.c | 26 |
7 files changed, 0 insertions, 382 deletions
diff --git a/drivers/staging/board/Kconfig b/drivers/staging/board/Kconfig deleted file mode 100644 index b49216768ef699..00000000000000 --- a/drivers/staging/board/Kconfig +++ /dev/null @@ -1,12 +0,0 @@ -# SPDX-License-Identifier: GPL-2.0 -config STAGING_BOARD - bool "Staging Board Support" - depends on OF_ADDRESS && OF_IRQ && HAVE_CLK - help - Staging board base is to support continuous upstream - in-tree development and integration of platform devices. - - Helps developers integrate devices as platform devices for - device drivers that only provide platform device bindings. - This in turn allows for incremental development of both - hardware feature support and DT binding work in parallel. diff --git a/drivers/staging/board/Makefile b/drivers/staging/board/Makefile deleted file mode 100644 index ed7839752e129a..00000000000000 --- a/drivers/staging/board/Makefile +++ /dev/null @@ -1,4 +0,0 @@ -# SPDX-License-Identifier: GPL-2.0 -obj-y := board.o -obj-$(CONFIG_ARCH_EMEV2) += kzm9d.o -obj-$(CONFIG_ARCH_R8A7740) += armadillo800eva.o diff --git a/drivers/staging/board/TODO b/drivers/staging/board/TODO deleted file mode 100644 index 8db70e10aa6744..00000000000000 --- a/drivers/staging/board/TODO +++ /dev/null @@ -1,2 +0,0 @@ -* replace platform device code with DT nodes once the driver supports DT -* remove staging board code when no more platform devices are needed diff --git a/drivers/staging/board/armadillo800eva.c b/drivers/staging/board/armadillo800eva.c deleted file mode 100644 index 0225234dd7aa6b..00000000000000 --- a/drivers/staging/board/armadillo800eva.c +++ /dev/null @@ -1,88 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* - * Staging board support for Armadillo 800 eva. - * Enable not-yet-DT-capable devices here. - * - * Based on board-armadillo800eva.c - * - * Copyright (C) 2012 Renesas Solutions Corp. - * Copyright (C) 2012 Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> - */ - -#include <linux/dma-mapping.h> -#include <linux/fb.h> -#include <linux/kernel.h> -#include <linux/platform_device.h> -#include <linux/videodev2.h> - -#include <video/sh_mobile_lcdc.h> - -#include "board.h" - -static struct fb_videomode lcdc0_mode = { - .name = "AMPIER/AM-800480", - .xres = 800, - .yres = 480, - .left_margin = 88, - .right_margin = 40, - .hsync_len = 128, - .upper_margin = 20, - .lower_margin = 5, - .vsync_len = 5, - .sync = 0, -}; - -static struct sh_mobile_lcdc_info lcdc0_info = { - .clock_source = LCDC_CLK_BUS, - .ch[0] = { - .chan = LCDC_CHAN_MAINLCD, - .fourcc = V4L2_PIX_FMT_RGB565, - .interface_type = RGB24, - .clock_divider = 5, - .flags = 0, - .lcd_modes = &lcdc0_mode, - .num_modes = 1, - .panel_cfg = { - .width = 111, - .height = 68, - }, - }, -}; - -static struct resource lcdc0_resources[] = { - DEFINE_RES_MEM_NAMED(0xfe940000, 0x4000, "LCD0"), - DEFINE_RES_IRQ(177 + 32), -}; - -static struct platform_device lcdc0_device = { - .name = "sh_mobile_lcdc_fb", - .num_resources = ARRAY_SIZE(lcdc0_resources), - .resource = lcdc0_resources, - .id = 0, - .dev = { - .platform_data = &lcdc0_info, - .coherent_dma_mask = DMA_BIT_MASK(32), - }, -}; - -static const struct board_staging_clk lcdc0_clocks[] __initconst = { - { "lcdc0", NULL, "sh_mobile_lcdc_fb.0" }, -}; - -static const struct board_staging_dev armadillo800eva_devices[] __initconst = { - { - .pdev = &lcdc0_device, - .clocks = lcdc0_clocks, - .nclocks = ARRAY_SIZE(lcdc0_clocks), - .domain = "/system-controller@e6180000/pm-domains/c5/a4lc@1" - }, -}; - -static void __init armadillo800eva_init(void) -{ - board_staging_gic_setup_xlate("arm,pl390", 32); - board_staging_register_devices(armadillo800eva_devices, - ARRAY_SIZE(armadillo800eva_devices)); -} - -board_staging("renesas,armadillo800eva", armadillo800eva_init); diff --git a/drivers/staging/board/board.c b/drivers/staging/board/board.c deleted file mode 100644 index f980af0373452c..00000000000000 --- a/drivers/staging/board/board.c +++ /dev/null @@ -1,204 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* - * Copyright (C) 2014 Magnus Damm - * Copyright (C) 2015 Glider bvba - */ - -#define pr_fmt(fmt) "board_staging: " fmt - -#include <linux/clkdev.h> -#include <linux/init.h> -#include <linux/irq.h> -#include <linux/device.h> -#include <linux/kernel.h> -#include <linux/of.h> -#include <linux/of_address.h> -#include <linux/of_irq.h> -#include <linux/platform_device.h> -#include <linux/pm_domain.h> - -#include "board.h" - -static struct device_node *irqc_node __initdata; -static unsigned int irqc_base __initdata; - -static bool find_by_address(u64 base_address) -{ - struct device_node *dn = of_find_all_nodes(NULL); - struct resource res; - - while (dn) { - if (!of_address_to_resource(dn, 0, &res)) { - if (res.start == base_address) { - of_node_put(dn); - return true; - } - } - dn = of_find_all_nodes(dn); - } - - return false; -} - -bool __init board_staging_dt_node_available(const struct resource *resource, - unsigned int num_resources) -{ - unsigned int i; - - for (i = 0; i < num_resources; i++) { - const struct resource *r = resource + i; - - if (resource_type(r) == IORESOURCE_MEM) - if (find_by_address(r->start)) - return true; /* DT node available */ - } - - return false; /* Nothing found */ -} - -int __init board_staging_gic_setup_xlate(const char *gic_match, - unsigned int base) -{ - WARN_ON(irqc_node); - - irqc_node = of_find_compatible_node(NULL, NULL, gic_match); - - WARN_ON(!irqc_node); - if (!irqc_node) - return -ENOENT; - - irqc_base = base; - return 0; -} - -static void __init gic_fixup_resource(struct resource *res) -{ - struct of_phandle_args irq_data; - unsigned int hwirq = res->start; - unsigned int virq; - - if (resource_type(res) != IORESOURCE_IRQ || !irqc_node) - return; - - irq_data.np = irqc_node; - irq_data.args_count = 3; - irq_data.args[0] = 0; - irq_data.args[1] = hwirq - irqc_base; - switch (res->flags & - (IORESOURCE_IRQ_LOWEDGE | IORESOURCE_IRQ_HIGHEDGE | - IORESOURCE_IRQ_LOWLEVEL | IORESOURCE_IRQ_HIGHLEVEL)) { - case IORESOURCE_IRQ_LOWEDGE: - irq_data.args[2] = IRQ_TYPE_EDGE_FALLING; - break; - case IORESOURCE_IRQ_HIGHEDGE: - irq_data.args[2] = IRQ_TYPE_EDGE_RISING; - break; - case IORESOURCE_IRQ_LOWLEVEL: - irq_data.args[2] = IRQ_TYPE_LEVEL_LOW; - break; - case IORESOURCE_IRQ_HIGHLEVEL: - default: - irq_data.args[2] = IRQ_TYPE_LEVEL_HIGH; - break; - } - - virq = irq_create_of_mapping(&irq_data); - if (WARN_ON(!virq)) - return; - - pr_debug("hwirq %u -> virq %u\n", hwirq, virq); - res->start = virq; -} - -void __init board_staging_gic_fixup_resources(struct resource *res, - unsigned int nres) -{ - unsigned int i; - - for (i = 0; i < nres; i++) - gic_fixup_resource(&res[i]); -} - -int __init board_staging_register_clock(const struct board_staging_clk *bsc) -{ - int error; - - pr_debug("Aliasing clock %s for con_id %s dev_id %s\n", bsc->clk, - bsc->con_id, bsc->dev_id); - error = clk_add_alias(bsc->con_id, bsc->dev_id, bsc->clk, NULL); - if (error) - pr_err("Failed to alias clock %s (%d)\n", bsc->clk, error); - - return error; -} - -#ifdef CONFIG_PM_GENERIC_DOMAINS_OF -static int board_staging_add_dev_domain(struct platform_device *pdev, - const char *domain) -{ - struct device *dev = &pdev->dev; - struct of_phandle_args pd_args; - struct device_node *np; - - np = of_find_node_by_path(domain); - if (!np) { - pr_err("Cannot find domain node %s\n", domain); - return -ENOENT; - } - - pd_args.np = np; - pd_args.args_count = 0; - - /* Initialization similar to device_pm_init_common() */ - spin_lock_init(&dev->power.lock); - dev->power.early_init = true; - - return of_genpd_add_device(&pd_args, dev); -} -#else -static inline int board_staging_add_dev_domain(struct platform_device *pdev, - const char *domain) -{ - return 0; -} -#endif - -int __init board_staging_register_device(const struct board_staging_dev *dev) -{ - struct platform_device *pdev = dev->pdev; - unsigned int i; - int error; - - pr_debug("Trying to register device %s\n", pdev->name); - if (board_staging_dt_node_available(pdev->resource, - pdev->num_resources)) { - pr_warn("Skipping %s, already in DT\n", pdev->name); - return -EEXIST; - } - - board_staging_gic_fixup_resources(pdev->resource, pdev->num_resources); - - for (i = 0; i < dev->nclocks; i++) - board_staging_register_clock(&dev->clocks[i]); - - if (dev->domain) - board_staging_add_dev_domain(pdev, dev->domain); - - error = platform_device_register(pdev); - if (error) { - pr_err("Failed to register device %s (%d)\n", pdev->name, - error); - return error; - } - - return error; -} - -void __init board_staging_register_devices(const struct board_staging_dev *devs, - unsigned int ndevs) -{ - unsigned int i; - - for (i = 0; i < ndevs; i++) - board_staging_register_device(&devs[i]); -} diff --git a/drivers/staging/board/board.h b/drivers/staging/board/board.h deleted file mode 100644 index 5609daf4d8695f..00000000000000 --- a/drivers/staging/board/board.h +++ /dev/null @@ -1,46 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef __BOARD_H__ -#define __BOARD_H__ - -#include <linux/init.h> -#include <linux/of.h> - -struct board_staging_clk { - const char *clk; - const char *con_id; - const char *dev_id; -}; - -struct board_staging_dev { - /* Platform Device */ - struct platform_device *pdev; - /* Clocks (optional) */ - const struct board_staging_clk *clocks; - unsigned int nclocks; - /* Generic PM Domain (optional) */ - const char *domain; -}; - -struct resource; - -bool board_staging_dt_node_available(const struct resource *resource, - unsigned int num_resources); -int board_staging_gic_setup_xlate(const char *gic_match, unsigned int base); -void board_staging_gic_fixup_resources(struct resource *res, unsigned int nres); -int board_staging_register_clock(const struct board_staging_clk *bsc); -int board_staging_register_device(const struct board_staging_dev *dev); -void board_staging_register_devices(const struct board_staging_dev *devs, - unsigned int ndevs); - -#define board_staging(str, fn) \ -static int __init runtime_board_check(void) \ -{ \ - if (of_machine_is_compatible(str)) \ - fn(); \ - \ - return 0; \ -} \ - \ -device_initcall(runtime_board_check) - -#endif /* __BOARD_H__ */ diff --git a/drivers/staging/board/kzm9d.c b/drivers/staging/board/kzm9d.c deleted file mode 100644 index d449a837414e69..00000000000000 --- a/drivers/staging/board/kzm9d.c +++ /dev/null @@ -1,26 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* Staging board support for KZM9D. Enable not-yet-DT-capable devices here. */ - -#include <linux/kernel.h> -#include <linux/platform_device.h> -#include "board.h" - -static struct resource usbs1_res[] __initdata = { - DEFINE_RES_MEM(0xe2800000, 0x2000), - DEFINE_RES_IRQ(159), -}; - -static void __init kzm9d_init(void) -{ - board_staging_gic_setup_xlate("arm,pl390", 32); - - if (!board_staging_dt_node_available(usbs1_res, - ARRAY_SIZE(usbs1_res))) { - board_staging_gic_fixup_resources(usbs1_res, - ARRAY_SIZE(usbs1_res)); - platform_device_register_simple("emxx_udc", -1, usbs1_res, - ARRAY_SIZE(usbs1_res)); - } -} - -board_staging("renesas,kzm9d", kzm9d_init); |