linux-kernel - [PATCH 3/4] arm64: dts: qcom: ipq9574: Add pwm support

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20231006045317.1056625-4-quic_devipriy@quicinc.com>
Date:   Fri, 6 Oct 2023 10:23:16 +0530
From:   Devi Priya <quic_devipriy@...cinc.com>
To:     <agross@...nel.org>, <andersson@...nel.org>,
        <konrad.dybcio@...aro.org>, <lee@...nel.org>, <robh+dt@...nel.org>,
        <krzysztof.kozlowski+dt@...aro.org>, <conor+dt@...nel.org>,
        <thierry.reding@...il.com>, <baruch@...s.co.il>,
        <linux-arm-msm@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <u.kleine-koenig@...gutronix.de>,
        <linux-pwm@...r.kernel.org>
Subject: [PATCH 3/4] arm64: dts: qcom: ipq9574: Add pwm support

The PWM is in the TCSR area. Make tcsr "simple-mfd" compatible
and add pwm as a child of tcsr.
Also, Enable pwm support in RDP418 of IPQ9574 SoC.

Signed-off-by: Devi Priya <quic_devipriy@...cinc.com>
---
 arch/arm64/boot/dts/qcom/ipq9574-rdp418.dts | 12 ++++++++++++
 arch/arm64/boot/dts/qcom/ipq9574.dtsi       | 15 ++++++++++++++-
 2 files changed, 26 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/qcom/ipq9574-rdp418.dts b/arch/arm64/boot/dts/qcom/ipq9574-rdp418.dts
index 2b093e02637b..d275c98b4df7 100644
--- a/arch/arm64/boot/dts/qcom/ipq9574-rdp418.dts
+++ b/arch/arm64/boot/dts/qcom/ipq9574-rdp418.dts
@@ -43,6 +43,12 @@ &blsp1_uart2 {
 	status = "okay";
 };
 
+&pwm {
+	pinctrl-0 = <&pwm_pins>;
+	pinctrl-names = "default";
+	status = "okay";
+};
+
 &rpm_requests {
 	regulators {
 		compatible = "qcom,rpm-mp5496-regulators";
@@ -79,6 +85,12 @@ &sleep_clk {
 };
 
 &tlmm {
+	pwm_pins: pwm-state {
+		pins = "gpio57";
+		function = "pwm";
+		drive-strength = <8>;
+	};
+
 	sdc_default_state: sdc-default-state {
 		clk-pins {
 			pins = "gpio5";
diff --git a/arch/arm64/boot/dts/qcom/ipq9574.dtsi b/arch/arm64/boot/dts/qcom/ipq9574.dtsi
index 8a72ad4afd03..5465254fbdde 100644
--- a/arch/arm64/boot/dts/qcom/ipq9574.dtsi
+++ b/arch/arm64/boot/dts/qcom/ipq9574.dtsi
@@ -296,8 +296,21 @@ tcsr_mutex: hwlock@...5000 {
 		};
 
 		tcsr: syscon@...7000 {
-			compatible = "qcom,tcsr-ipq9574", "syscon";
+			compatible = "qcom,tcsr-ipq9574", "syscon", "simple-mfd";
 			reg = <0x01937000 0x21000>;
+			ranges = <0x0 0x01937000 0x21000>;
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			pwm: pwm@...0 {
+				compatible = "qcom,ipq9574-pwm", "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";
+			};
 		};
 
 		sdhc_1: mmc@...4000 {
-- 
2.34.1