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Date: Tue, 30 Apr 2024 10:49:49 +0100
From: André Draszik <andre.draszik@...aro.org>
To: Peter Griffin <peter.griffin@...aro.org>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>, 
 Conor Dooley <conor+dt@...nel.org>, Alim Akhtar <alim.akhtar@...sung.com>
Cc: Tudor Ambarus <tudor.ambarus@...aro.org>, 
 Will McVicker <willmcvicker@...gle.com>, 
 Sam Protsenko <semen.protsenko@...aro.org>, kernel-team@...roid.com, 
 linux-arm-kernel@...ts.infradead.org, linux-samsung-soc@...r.kernel.org, 
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, 
 André Draszik <andre.draszik@...aro.org>
Subject: [PATCH v2 4/4] arm64: dts: exynos: gs101: specify empty clocks for
 remaining pinctrl

The pinctrl instances hsi1, gsactrl, and gsacore need a clock for
register access to work.

Since we haven't implemented the relevant CMUs for the clocks required
by these instances just add empty clocks for now so as to make the DT
pass the validation checks.
Once the clocks are implmented in the gs101 clock driver, these should
be updated then.

Signed-off-by: André Draszik <andre.draszik@...aro.org>

---
v2: use empty clock instead of placeholder
---
 arch/arm64/boot/dts/exynos/google/gs101.dtsi | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/arch/arm64/boot/dts/exynos/google/gs101.dtsi b/arch/arm64/boot/dts/exynos/google/gs101.dtsi
index f8fcbbb06e7b..c8a5eb8c7d45 100644
--- a/arch/arm64/boot/dts/exynos/google/gs101.dtsi
+++ b/arch/arm64/boot/dts/exynos/google/gs101.dtsi
@@ -1309,6 +1309,9 @@ usbdrd31_dwc3: usb@0 {
 		pinctrl_hsi1: pinctrl@...40000 {
 			compatible = "google,gs101-pinctrl";
 			reg = <0x11840000 0x00001000>;
+			/* TODO: update once support for this CMU exists */
+			clocks = <0>;
+			clock-names = "pclk";
 			interrupts = <GIC_SPI 471 IRQ_TYPE_LEVEL_HIGH 0>;
 		};
 
@@ -1380,11 +1383,17 @@ wakeup-interrupt-controller {
 		pinctrl_gsactrl: pinctrl@...40000 {
 			compatible = "google,gs101-pinctrl";
 			reg = <0x17940000 0x00001000>;
+			/* TODO: update once support for this CMU exists */
+			clocks = <0>;
+			clock-names = "pclk";
 		};
 
 		pinctrl_gsacore: pinctrl@...80000 {
 			compatible = "google,gs101-pinctrl";
 			reg = <0x17a80000 0x00001000>;
+			/* TODO: update once support for this CMU exists */
+			clocks = <0>;
+			clock-names = "pclk";
 		};
 
 		cmu_top: clock-controller@...80000 {

-- 
2.44.0.769.g3c40516874-goog


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