diff mbox series

[v2,12/12] arm64: dts: exynos: gs101: enable eeprom on gs101-oriole

Message ID 20231228125805.661725-13-tudor.ambarus@linaro.org (mailing list archive)
State New, archived
Headers show
Series GS101 Oriole: CMU_PERIC0 support and USI updates | expand

Commit Message

Tudor Ambarus Dec. 28, 2023, 12:58 p.m. UTC 
Enable the eeprom found on the battery connector.

The selection of the USI protocol is done in the board dts file because
the USI CONFIG register comes with a 0x0 reset value, meaning that USI8
does not have a default protocol (I2C, SPI, UART) at reset.

Reviewed-by: Sam Protsenko <semen.protsenko@linaro.org>
Signed-off-by: Tudor Ambarus <tudor.ambarus@linaro.org>
---
v2:
- move cells and pinctrls properties to dtsi
- collect Sam's R-b

 arch/arm64/boot/dts/exynos/google/gs101-oriole.dts | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

Comments

Peter Griffin Jan. 8, 2024, 4:15 p.m. UTC | #1 
Hi Tudor,

On Thu, 28 Dec 2023 at 12:58, Tudor Ambarus <tudor.ambarus@linaro.org> wrote:
>
> Enable the eeprom found on the battery connector.
>
> The selection of the USI protocol is done in the board dts file because
> the USI CONFIG register comes with a 0x0 reset value, meaning that USI8
> does not have a default protocol (I2C, SPI, UART) at reset.
>
> Reviewed-by: Sam Protsenko <semen.protsenko@linaro.org>
> Signed-off-by: Tudor Ambarus <tudor.ambarus@linaro.org>

Reviewed-by: Peter Griffin <peter.griffin@linaro.org>
diff mbox series

Patch

diff --git a/arch/arm64/boot/dts/exynos/google/gs101-oriole.dts b/arch/arm64/boot/dts/exynos/google/gs101-oriole.dts
index 4a71f752200d..cb4d17339b6b 100644
--- a/arch/arm64/boot/dts/exynos/google/gs101-oriole.dts
+++ b/arch/arm64/boot/dts/exynos/google/gs101-oriole.dts
@@ -63,6 +63,15 @@  &ext_200m {
 	clock-frequency = <200000000>;
 };
 
+&hsi2c_8 {
+	status = "okay";
+
+	eeprom: eeprom@50 {
+		compatible = "atmel,24c08";
+		reg = <0x50>;
+	};
+};
+
 &pinctrl_far_alive {
 	key_voldown: key-voldown-pins {
 		samsung,pins = "gpa7-3";
@@ -99,6 +108,11 @@  &usi_uart {
 	status = "okay";
 };
 
+&usi8 {
+	samsung,mode = <USI_V2_I2C>;
+	status = "okay";
+};
+
 &watchdog_cl0 {
 	timeout-sec = <30>;
 	status = "okay";