In order to test I2C we need some sort of emulation interface. Add hooks
to allow a driver to emulate an I2C device for sandbox.
Signed-off-by: Simon Glass <s...@chromium.org>
---
Changes in v2: None
drivers/i2c/Makefile | 1 +
drivers/i2c/i2c-emul-uclass.c | 14 ++++++++++++++
include/dm/uclass-id.h | 1 +
3 files changed, 16 insertions(+)
create mode 100644 drivers/i2c/i2c-emul-uclass.c
diff --git a/drivers/i2c/Makefile b/drivers/i2c/Makefile
index 25f0f19..4c9db51 100644
--- a/drivers/i2c/Makefile
+++ b/drivers/i2c/Makefile
@@ -27,6 +27,7 @@ obj-$(CONFIG_SYS_I2C_OMAP34XX) += omap24xx_i2c.o
obj-$(CONFIG_SYS_I2C_PPC4XX) += ppc4xx_i2c.o
obj-$(CONFIG_SYS_I2C_RCAR) += rcar_i2c.o
obj-$(CONFIG_SYS_I2C_S3C24X0) += s3c24x0_i2c.o
+obj-$(CONFIG_SYS_I2C_SANDBOX) += i2c-emul-uclass.o
obj-$(CONFIG_SYS_I2C_SH) += sh_i2c.o
obj-$(CONFIG_SYS_I2C_SOFT) += soft_i2c.o
obj-$(CONFIG_SYS_I2C_TEGRA) += tegra_i2c.o
diff --git a/drivers/i2c/i2c-emul-uclass.c b/drivers/i2c/i2c-emul-uclass.c
new file mode 100644
index 0000000..aa89f95
--- /dev/null
+++ b/drivers/i2c/i2c-emul-uclass.c
@@ -0,0 +1,14 @@
+/*
+ * Copyright (c) 2014 Google, Inc
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <i2c.h>
+
+UCLASS_DRIVER(i2c_emul) = {
+ .id = UCLASS_I2C_EMUL,
+ .name = "i2c_emul",
+};
diff --git a/include/dm/uclass-id.h b/include/dm/uclass-id.h
index 43514bc..e9f6104 100644
--- a/include/dm/uclass-id.h
+++ b/include/dm/uclass-id.h
@@ -19,6 +19,7 @@ enum uclass_id {
UCLASS_TEST_FDT,
UCLASS_TEST_BUS,
UCLASS_SPI_EMUL, /* sandbox SPI device emulator */
+ UCLASS_I2C_EMUL, /* sandbox I2C device emulator */
UCLASS_SIMPLE_BUS,
/* U-Boot uclasses start here */
--
2.1.0.rc2.206.gedb03e5
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