u-boot/board/microchip/pic32mzda/pic32mzda.c

// SPDX-License-Identifier: GPL-2.0+
/*
 * Microchip PIC32MZ[DA] Starter Kit board
 *
 * Copyright (C) 2015, Microchip Technology Inc.
 * Purna Chandra Mandal <purna.mandal@microchip.com>
 *
 */

#include <common.h>
#include <dm.h>
#include <clk.h>
#include <dt-bindings/clock/microchip,clock.h>
#include <mach/pic32.h>

#ifdef CONFIG_DISPLAY_BOARDINFO
int checkboard(void)
{
	ulong rate;
	struct udevice *dev;
	struct clk clk;
	int ret;

	printf("Core: %s\n", get_core_name());

	if (uclass_get_device(UCLASS_CLK, 0, &dev))
		return 0;

	clk.id = PB7CLK;
	ret = clk_request(dev, &clk);
	if (ret < 0)
		return 0;

	rate = clk_get_rate(&clk);
	printf("CPU Speed: %lu MHz\n", rate / 1000000);

	clk_free(&clk);

	return 0;
}
#endif
SPDX: Convert all of our single license tags to Linux Kernel style When U-Boot started using SPDX tags we were among the early adopters and there weren't a lot of other examples to borrow from. So we picked the area of the file that usually had a full license text and replaced it with an appropriate SPDX-License-Identifier: entry. Since then, the Linux Kernel has adopted SPDX tags and they place it as the very first line in a file (except where shebangs are used, then it's second line) and with slightly different comment styles than us. In part due to community overlap, in part due to better tag visibility and in part for other minor reasons, switch over to that style. This commit changes all instances where we have a single declared license in the tag as both the before and after are identical in tag contents. There's also a few places where I found we did not have a tag and have introduced one. Signed-off-by: Tom Rini <trini@konsulko.com> 7 years ago			`// SPDX-License-Identifier: GPL-2.0+`
board: Add Microchip PIC32MZ[DA]-Starter-Kit board. This adds support for Microchip PIC32MZ[DA] StarterKit board based on a PIC32MZ[DA] family of microcontroller. Signed-off-by: Purna Chandra Mandal <purna.mandal@microchip.com> Reviewed-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com> 9 years ago			`/*`
			`* Microchip PIC32MZ[DA] Starter Kit board`
			`*`
			`* Copyright (C) 2015, Microchip Technology Inc.`
			`* Purna Chandra Mandal <purna.mandal@microchip.com>`
			`*`
			`*/`

			`#include <common.h>`
			`#include <dm.h>`
			`#include <clk.h>`
clk: convert API to match reset/mailbox style The following changes are made to the clock API: * The concept of "clocks" and "peripheral clocks" are unified; each clock provider now implements a single set of clocks. This provides a simpler conceptual interface to clients, and better aligns with device tree clock bindings. * Clocks are now identified with a single "struct clk", rather than requiring clients to store the clock provider device and clock identity values separately. For simple clock consumers, this isolates clients from internal details of the clock API. * clk.h is split so it only contains the client/consumer API, whereas clk-uclass.h contains the provider API. This aligns with the recently added reset and mailbox APIs. * clk_ops .of_xlate(), .request(), and .free() are added so providers can customize these operations if needed. This also aligns with the recently added reset and mailbox APIs. * clk_disable() is added. * All users of the current clock APIs are updated. * Sandbox clock tests are updated to exercise clock lookup via DT, and clock enable/disable. * rkclk_get_clk() is removed and replaced with standard APIs. Buildman shows no clock-related errors for any board for which buildman can download a toolchain. test/py passes for sandbox (which invokes the dm clk test amongst others). Signed-off-by: Stephen Warren <swarren@nvidia.com> Acked-by: Simon Glass <sjg@chromium.org> 9 years ago			`#include <dt-bindings/clock/microchip,clock.h>`
board: Add Microchip PIC32MZ[DA]-Starter-Kit board. This adds support for Microchip PIC32MZ[DA] StarterKit board based on a PIC32MZ[DA] family of microcontroller. Signed-off-by: Purna Chandra Mandal <purna.mandal@microchip.com> Reviewed-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com> 9 years ago			`#include <mach/pic32.h>`

			`#ifdef CONFIG_DISPLAY_BOARDINFO`
			`int checkboard(void)`
			`{`
clk: convert API to match reset/mailbox style The following changes are made to the clock API: * The concept of "clocks" and "peripheral clocks" are unified; each clock provider now implements a single set of clocks. This provides a simpler conceptual interface to clients, and better aligns with device tree clock bindings. * Clocks are now identified with a single "struct clk", rather than requiring clients to store the clock provider device and clock identity values separately. For simple clock consumers, this isolates clients from internal details of the clock API. * clk.h is split so it only contains the client/consumer API, whereas clk-uclass.h contains the provider API. This aligns with the recently added reset and mailbox APIs. * clk_ops .of_xlate(), .request(), and .free() are added so providers can customize these operations if needed. This also aligns with the recently added reset and mailbox APIs. * clk_disable() is added. * All users of the current clock APIs are updated. * Sandbox clock tests are updated to exercise clock lookup via DT, and clock enable/disable. * rkclk_get_clk() is removed and replaced with standard APIs. Buildman shows no clock-related errors for any board for which buildman can download a toolchain. test/py passes for sandbox (which invokes the dm clk test amongst others). Signed-off-by: Stephen Warren <swarren@nvidia.com> Acked-by: Simon Glass <sjg@chromium.org> 9 years ago			`ulong rate;`
board: Add Microchip PIC32MZ[DA]-Starter-Kit board. This adds support for Microchip PIC32MZ[DA] StarterKit board based on a PIC32MZ[DA] family of microcontroller. Signed-off-by: Purna Chandra Mandal <purna.mandal@microchip.com> Reviewed-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com> 9 years ago			`struct udevice *dev;`
clk: convert API to match reset/mailbox style The following changes are made to the clock API: * The concept of "clocks" and "peripheral clocks" are unified; each clock provider now implements a single set of clocks. This provides a simpler conceptual interface to clients, and better aligns with device tree clock bindings. * Clocks are now identified with a single "struct clk", rather than requiring clients to store the clock provider device and clock identity values separately. For simple clock consumers, this isolates clients from internal details of the clock API. * clk.h is split so it only contains the client/consumer API, whereas clk-uclass.h contains the provider API. This aligns with the recently added reset and mailbox APIs. * clk_ops .of_xlate(), .request(), and .free() are added so providers can customize these operations if needed. This also aligns with the recently added reset and mailbox APIs. * clk_disable() is added. * All users of the current clock APIs are updated. * Sandbox clock tests are updated to exercise clock lookup via DT, and clock enable/disable. * rkclk_get_clk() is removed and replaced with standard APIs. Buildman shows no clock-related errors for any board for which buildman can download a toolchain. test/py passes for sandbox (which invokes the dm clk test amongst others). Signed-off-by: Stephen Warren <swarren@nvidia.com> Acked-by: Simon Glass <sjg@chromium.org> 9 years ago			`struct clk clk;`
			`int ret;`
board: Add Microchip PIC32MZ[DA]-Starter-Kit board. This adds support for Microchip PIC32MZ[DA] StarterKit board based on a PIC32MZ[DA] family of microcontroller. Signed-off-by: Purna Chandra Mandal <purna.mandal@microchip.com> Reviewed-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com> 9 years ago
			`printf("Core: %s\n", get_core_name());`

clk: convert API to match reset/mailbox style The following changes are made to the clock API: * The concept of "clocks" and "peripheral clocks" are unified; each clock provider now implements a single set of clocks. This provides a simpler conceptual interface to clients, and better aligns with device tree clock bindings. * Clocks are now identified with a single "struct clk", rather than requiring clients to store the clock provider device and clock identity values separately. For simple clock consumers, this isolates clients from internal details of the clock API. * clk.h is split so it only contains the client/consumer API, whereas clk-uclass.h contains the provider API. This aligns with the recently added reset and mailbox APIs. * clk_ops .of_xlate(), .request(), and .free() are added so providers can customize these operations if needed. This also aligns with the recently added reset and mailbox APIs. * clk_disable() is added. * All users of the current clock APIs are updated. * Sandbox clock tests are updated to exercise clock lookup via DT, and clock enable/disable. * rkclk_get_clk() is removed and replaced with standard APIs. Buildman shows no clock-related errors for any board for which buildman can download a toolchain. test/py passes for sandbox (which invokes the dm clk test amongst others). Signed-off-by: Stephen Warren <swarren@nvidia.com> Acked-by: Simon Glass <sjg@chromium.org> 9 years ago			`if (uclass_get_device(UCLASS_CLK, 0, &dev))`
			`return 0;`

			`clk.id = PB7CLK;`
			`ret = clk_request(dev, &clk);`
			`if (ret < 0)`
			`return 0;`

			`rate = clk_get_rate(&clk);`
			`printf("CPU Speed: %lu MHz\n", rate / 1000000);`

			`clk_free(&clk);`
board: Add Microchip PIC32MZ[DA]-Starter-Kit board. This adds support for Microchip PIC32MZ[DA] StarterKit board based on a PIC32MZ[DA] family of microcontroller. Signed-off-by: Purna Chandra Mandal <purna.mandal@microchip.com> Reviewed-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com> 9 years ago
			`return 0;`
			`}`
			`#endif`