From f692b479f02d9b2689b0686f1f6ff2f06c6ecc59 Mon Sep 17 00:00:00 2001 From: Michal Simek Date: Thu, 28 May 2020 11:48:55 +0200 Subject: [PATCH] i2c: eeprom: Use reg property instead of offset and size 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 Reviewed-by: Simon Glass --- arch/arm/dts/imx53-ppd-uboot.dtsi | 12 ++++++------ arch/arm/dts/imx6q-bx50v3-uboot.dtsi | 10 +++++----- arch/sandbox/dts/test.dts | 13 +++++++++++++ configs/sandbox_defconfig | 1 + drivers/misc/i2c_eeprom.c | 15 ++++++++------- test/dm/bootcount.c | 8 ++++++++ 6 files changed, 41 insertions(+), 18 deletions(-) diff --git a/arch/arm/dts/imx53-ppd-uboot.dtsi b/arch/arm/dts/imx53-ppd-uboot.dtsi index d38a1bc264..d61b7cb876 100644 --- a/arch/arm/dts/imx53-ppd-uboot.dtsi +++ b/arch/arm/dts/imx53-ppd-uboot.dtsi @@ -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>; }; }; }; diff --git a/arch/arm/dts/imx6q-bx50v3-uboot.dtsi b/arch/arm/dts/imx6q-bx50v3-uboot.dtsi index df446e0ed1..01321cab78 100644 --- a/arch/arm/dts/imx6q-bx50v3-uboot.dtsi +++ b/arch/arm/dts/imx6q-bx50v3-uboot.dtsi @@ -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>; }; }; }; diff --git a/arch/sandbox/dts/test.dts b/arch/sandbox/dts/test.dts index 491893a17d..692c3775dd 100644 --- a/arch/sandbox/dts/test.dts +++ b/arch/sandbox/dts/test.dts @@ -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>; diff --git a/configs/sandbox_defconfig b/configs/sandbox_defconfig index fe11128904..acd7093335 100644 --- a/configs/sandbox_defconfig +++ b/configs/sandbox_defconfig @@ -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 diff --git a/drivers/misc/i2c_eeprom.c b/drivers/misc/i2c_eeprom.c index 45c34d388c..3651ba4871 100644 --- a/drivers/misc/i2c_eeprom.c +++ b/drivers/misc/i2c_eeprom.c @@ -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; } diff --git a/test/dm/bootcount.c b/test/dm/bootcount.c index f911984698..e0c47b5d7a 100644 --- a/test/dm/bootcount.c +++ b/test/dm/bootcount.c @@ -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; }