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i2c: eeprom: Use reg property instead of offset and size

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Remove adhoc dt binding for fixed-partition definition for i2c eeprom.
fixed-partition are using reg property instead of offset/size pair.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Michal Simek 2020-05-28 11:48:55 +02:00
parent 2d06361a11
commit f692b479f0
6 changed files with 41 additions and 18 deletions
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12
arch/arm/dts/imx53-ppd-uboot.dtsi
View file

@ -24,15 +24,15 @@
&eeprom {
partitions {
compatible = "fixed-partitions";
#address-cells = <1>;
#size-cells = <1>;
vpd {
offset = <0>;
size = <1022>;
vpd@0 {
reg = <0 1022>;
};
bootcount: bootcount {
offset = <1022>;
size = <2>;
bootcount: bootcount@1022 {
reg = <1022 2>;
};
};
};

10
arch/arm/dts/imx6q-bx50v3-uboot.dtsi
View file

@ -23,15 +23,15 @@
&eeprom {
partitions {
compatible = "fixed-partitions";
#address-cells = <1>;
#size-cells = <1>;
vpd {
offset = <0>;
size = <1022>;
vpd@0 {
reg = <0 1022>;
};
bootcount: bootcount {
offset = <1022>;
size = <2>;
reg = <1022 2>;
};
};
};

13
arch/sandbox/dts/test.dts
View file

@ -415,6 +415,14 @@
reg = <0x2c>;
compatible = "i2c-eeprom";
sandbox,emul = <&emul_eeprom>;
partitions {
compatible = "fixed-partitions";
#address-cells = <1>;
#size-cells = <1>;
bootcount_i2c: bootcount@10 {
reg = <10 2>;
};
};
};
rtc_0: rtc@43 {
@ -462,6 +470,11 @@
offset = <0x13>;
};
bootcount {
compatible = "u-boot,bootcount-i2c-eeprom";
i2c-eeprom = <&bootcount_i2c>;
};
adc@0 {
compatible = "sandbox,adc";
vdd-supply = <&buck2>;

1
configs/sandbox_defconfig
View file

@ -119,6 +119,7 @@ CONFIG_DM_BOOTCOUNT=y
CONFIG_DM_BOOTCOUNT_RTC=y
CONFIG_BUTTON=y
CONFIG_BUTTON_GPIO=y
CONFIG_DM_BOOTCOUNT_I2C_EEPROM=y
CONFIG_CLK=y
CONFIG_CLK_COMPOSITE_CCF=y
CONFIG_SANDBOX_CLK_CCF=y

15
drivers/misc/i2c_eeprom.c
View file

@ -301,19 +301,20 @@ static int i2c_eeprom_partition_probe(struct udevice *dev)
static int i2c_eeprom_partition_ofdata_to_platdata(struct udevice *dev)
{
struct i2c_eeprom_partition *priv = dev_get_priv(dev);
u32 offset, size;
u32 reg[2];
int ret;
ret = dev_read_u32(dev, "offset", &offset);
ret = dev_read_u32_array(dev, "reg", reg, 2);
if (ret)
return ret;
ret = dev_read_u32(dev, "size", &size);
if (ret)
return ret;
if (!reg[1])
return -EINVAL;
priv->offset = offset;
priv->size = size;
priv->offset = reg[0];
priv->size = reg[1];
debug("%s: base %x, size %x\n", __func__, priv->offset, priv->size);
return 0;
}

8
test/dm/bootcount.c
View file

@ -25,6 +25,14 @@ static int dm_test_bootcount(struct unit_test_state *uts)
ut_assertok(dm_bootcount_get(dev, &val));
ut_assert(val == 0xab);
ut_assertok(uclass_get_device(UCLASS_BOOTCOUNT, 1, &dev));
ut_assertok(dm_bootcount_set(dev, 0));
ut_assertok(dm_bootcount_get(dev, &val));
ut_assert(val == 0);
ut_assertok(dm_bootcount_set(dev, 0xab));
ut_assertok(dm_bootcount_get(dev, &val));
ut_assert(val == 0xab);
return 0;
}