linux-kernel - [PATCH] arm64: dts: exynos: gs101: add stable i2c aliases for gs101-oriole

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Date: Tue, 30 Jan 2024 23:37:00 +0000
From: André Draszik <andre.draszik@...aro.org>
To: peter.griffin@...aro.org,
	robh+dt@...nel.org,
	krzysztof.kozlowski+dt@...aro.org,
	conor+dt@...nel.org
Cc: linux-kernel@...r.kernel.org,
	kernel-team@...roid.com,
	tudor.ambarus@...aro.org,
	willmcvicker@...gle.com,
	semen.protsenko@...aro.org,
	alim.akhtar@...sung.com,
	linux-arm-kernel@...ts.infradead.org,
	linux-samsung-soc@...r.kernel.org,
	devicetree@...r.kernel.org,
	André Draszik <andre.draszik@...aro.org>
Subject: [PATCH] arm64: dts: exynos: gs101: add stable i2c aliases for gs101-oriole

Now that we have more than i2c interface, add aliases to ensure
deterministic bus number assignment.

So as to keep compatibility with existing Pixel userspace builds, use
the same bus numbers for hsi2c_8 and hsi2c_12 as the downstream
drivers with the intention to eventually add all the earlier busses as
well.

Suggested-by: Will McVicker <willmcvicker@...gle.com>
Signed-off-by: André Draszik <andre.draszik@...aro.org>

---
Note, this patch should only be applied after series
"[PATCH v3 0/7] gs101 oriole: peripheral block 1 (peric1) and i2c12 support"
https://lore.kernel.org/all/20240129174703.1175426-1-andre.draszik@linaro.org/
---
 arch/arm64/boot/dts/exynos/google/gs101-oriole.dts | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm64/boot/dts/exynos/google/gs101-oriole.dts b/arch/arm64/boot/dts/exynos/google/gs101-oriole.dts
index 6ccade2c8cb4..23314ed78c96 100644
--- a/arch/arm64/boot/dts/exynos/google/gs101-oriole.dts
+++ b/arch/arm64/boot/dts/exynos/google/gs101-oriole.dts
@@ -18,6 +18,8 @@ / {
 	compatible = "google,gs101-oriole", "google,gs101";
 
 	aliases {
+		i2c7 = &hsi2c_8;
+		i2c8 = &hsi2c_12;
 		serial0 = &serial_0;
 	};
 
-- 
2.43.0.429.g432eaa2c6b-goog