linux-kernel - [PATCH V12 3/3] arm64: dts: ipq6018: add pwm node

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Message-ID: <20230925065915.3467964-4-quic_devipriy@quicinc.com>
Date:   Mon, 25 Sep 2023 12:29:15 +0530
From:   Devi Priya <quic_devipriy@...cinc.com>
To:     <thierry.reding@...il.com>, <robh+dt@...nel.org>,
        <krzysztof.kozlowski+dt@...aro.org>, <conor+dt@...nel.org>,
        <agross@...nel.org>, <andersson@...nel.org>,
        <konrad.dybcio@...aro.org>, <ndesaulniers@...gle.com>,
        <trix@...hat.com>, <baruch@...s.co.il>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-arm-msm@...r.kernel.org>, <llvm@...ts.linux.dev>
CC:     <linux-pwm@...r.kernel.org>, <u.kleine-koenig@...gutronix.de>,
        <nathan@...nel.org>
Subject: [PATCH V12 3/3] arm64: dts: ipq6018: add pwm node

Describe the PWM block on IPQ6018.

The PWM is in the TCSR area. Make &tcsr "simple-mfd" compatible, and add
&pwm as child of &tcsr.

Add also ipq6018 specific compatible string.

Co-developed-by: Baruch Siach <baruch.siach@...lu.com>
Signed-off-by: Baruch Siach <baruch.siach@...lu.com>
Signed-off-by: Devi Priya <quic_devipriy@...cinc.com>
---
v12: 

  No change

v11:

  No change

v10:

  No change

v9:

  Add 'ranges' property (Rob)

v8:

  Add size cell to 'reg' (Rob)

v7:

  Use 'reg' instead of 'offset' (Rob)

  Add qcom,tcsr-ipq6018 (Rob)

  Drop clock-names (Bjorn)

v6:

  Make the PWM node child of TCSR (Rob Herring)

  Add assigned-clocks/assigned-clock-rates (Uwe Kleine-König)

v5: Use qcom,pwm-regs for TCSR phandle instead of direct regs

v3: s/qcom,pwm-ipq6018/qcom,ipq6018-pwm/ (Rob Herring)

 arch/arm64/boot/dts/qcom/ipq6018.dtsi | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/qcom/ipq6018.dtsi b/arch/arm64/boot/dts/qcom/ipq6018.dtsi
index 47b8b1d6730a..cadd2c583526 100644
--- a/arch/arm64/boot/dts/qcom/ipq6018.dtsi
+++ b/arch/arm64/boot/dts/qcom/ipq6018.dtsi
@@ -398,8 +398,21 @@ tcsr_mutex: hwlock@...5000 {
 		};
 
 		tcsr: syscon@...7000 {
-			compatible = "qcom,tcsr-ipq6018", "syscon";
+			compatible = "qcom,tcsr-ipq6018", "syscon", "simple-mfd";
 			reg = <0x0 0x01937000 0x0 0x21000>;
+			#address-cells = <1>;
+			#size-cells = <1>;
+			ranges = <0x0 0x0 0x01937000 0x21000>;
+
+			 pwm: pwm@...0 {
+				compatible = "qcom,ipq6018-pwm";
+				reg = <0xa010 0x20>;
+				clocks = <&gcc GCC_ADSS_PWM_CLK>;
+				assigned-clocks = <&gcc GCC_ADSS_PWM_CLK>;
+				assigned-clock-rates = <100000000>;
+				#pwm-cells = <2>;
+				status = "disabled";
+			};
 		};
 
 		usb2: usb@...8800 {
-- 
2.34.1