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86 lines
1.7 KiB
Diff
86 lines
1.7 KiB
Diff
From: Christian Lamparter <chunkeey@gmail.com>
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Date: Sat, 12 Sep 2020 22:11:12 +0200
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Subject: bcm53xx: Meraki MR32 use hw i2c
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replace the i2c-gpio provided i2c functionality with the
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hardware in the SoC. This can be activated once the
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internal i2c works as well as the bit-banged i2c-gpio.
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Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
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--- a/arch/arm/boot/dts/bcm53016-meraki-mr32.dts
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+++ b/arch/arm/boot/dts/bcm53016-meraki-mr32.dts
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@@ -85,40 +85,6 @@
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max-brightness = <255>;
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};
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};
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-
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- i2c {
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- /*
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- * The platform provided I2C does not budge.
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- * This is a replacement until I can figure
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- * out what are the missing bits...
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- */
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-
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- compatible = "i2c-gpio";
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- sda-gpios = <&chipcommon 5 GPIO_ACTIVE_HIGH>;
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- scl-gpios = <&chipcommon 4 GPIO_ACTIVE_HIGH>;
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- i2c-gpio,delay-us = <10>; /* close to 100 kHz */
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- #address-cells = <1>;
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- #size-cells = <0>;
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-
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- current_sense: ina219@45 {
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- compatible = "ti,ina219";
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- reg = <0x45>;
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- shunt-resistor = <60000>; /* = 60 mOhms */
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- };
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-
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- eeprom: eeprom@50 {
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- compatible = "atmel,24c64";
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- reg = <0x50>;
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- pagesize = <32>;
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- read-only;
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- #address-cells = <1>;
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- #size-cells = <1>;
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-
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- mac_address: mac-address@66 {
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- reg = <0x66 0x6>;
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- };
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- };
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- };
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};
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&uart0 {
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@@ -229,3 +195,31 @@
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};
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};
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};
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+
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+&i2c0 {
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+ status = "okay";
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+
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+ pinctrl-names = "default";
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+ pinctrl-0 = <&pinmux_i2c>;
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+
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+ clock-frequency = <100000>;
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+
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+ current_sense: ina219@45 {
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+ compatible = "ti,ina219";
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+ reg = <0x45>;
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+ shunt-resistor = <60000>; /* = 60 mOhms */
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+ };
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+
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+ eeprom: eeprom@50 {
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+ compatible = "atmel,24c64";
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+ reg = <0x50>;
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+ pagesize = <32>;
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+ read-only;
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+ #address-cells = <1>;
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+ #size-cells = <1>;
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+
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+ mac_address: mac-address@66 {
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+ reg = <0x66 0x6>;
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+ };
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+ };
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+};
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