From 39f7611fecc55cbde02c8a84f7c12861abe31b53 Mon Sep 17 00:00:00 2001 From: Simon Glass Date: Wed, 26 Feb 2014 15:59:23 -0700 Subject: dm: Add a demonstration/example driver MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit As an example of how to write a uclass and a driver, provide a demo version of each, accessible through the 'demo' command. To use these with driver model, define CONFIG_CMD_DEMO and CONFIG_DM_DEMO. The two demo drivers are enabled with CONFIG_DM_DEMO_SIMPLE and CONFIG_DM_DEMO_SHAPE. Signed-off-by: Simon Glass Signed-off-by: Marek Vasut Signed-off-by: Pavel Herrmann Signed-off-by: Viktor Křivák Signed-off-by: Tomas Hlavacek --- include/configs/sandbox.h | 4 ++++ include/dm-demo.h | 36 ++++++++++++++++++++++++++++++++++++ 2 files changed, 40 insertions(+) create mode 100644 include/dm-demo.h (limited to 'include') diff --git a/include/configs/sandbox.h b/include/configs/sandbox.h index 8e034a7352..1d11c40b10 100644 --- a/include/configs/sandbox.h +++ b/include/configs/sandbox.h @@ -21,7 +21,11 @@ #define CONFIG_BOOTSTAGE #define CONFIG_BOOTSTAGE_REPORT #define CONFIG_DM +#define CONFIG_CMD_DEMO #define CONFIG_CMD_DM +#define CONFIG_DM_DEMO +#define CONFIG_DM_DEMO_SIMPLE +#define CONFIG_DM_DEMO_SHAPE #define CONFIG_DM_TEST /* Number of bits in a C 'long' on this architecture */ diff --git a/include/dm-demo.h b/include/dm-demo.h new file mode 100644 index 0000000000..6e38d3c5b3 --- /dev/null +++ b/include/dm-demo.h @@ -0,0 +1,36 @@ +/* + * Copyright (c) 2013 Google, Inc + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef __DM_DEMO_H +#define __DM_DEMO_H + +#include + +/** + * struct dm_demo_pdata - configuration data for demo instance + * + * @colour: Color of the demo + * @sides: Numbers of sides + * @default_char: Default ASCII character to output (65 = 'A') + */ +struct dm_demo_pdata { + const char *colour; + int sides; + int default_char; +}; + +struct demo_ops { + int (*hello)(struct device *dev, int ch); + int (*status)(struct device *dev, int *status); +}; + +int demo_hello(struct device *dev, int ch); +int demo_status(struct device *dev, int *status); +int demo_list(void); + +int demo_parse_dt(struct device *dev); + +#endif -- cgit v1.2.1