linux-kernel - [PATCH 1/3] ARM: dts: am33xx: Add nodes for eQEP

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Message-Id: <20201012211229.3282128-2-david@lechnology.com>
Date:   Mon, 12 Oct 2020 16:12:27 -0500
From:   David Lechner <david@...hnology.com>
To:     linux-omap@...r.kernel.org
Cc:     David Lechner <david@...hnology.com>,
        Benoît Cousson <bcousson@...libre.com>,
        Tony Lindgren <tony@...mide.com>,
        Robert Nelson <robertcnelson@...il.com>,
        Drew Fustini <drew@...gleboard.org>,
        Rob Herring <robh+dt@...nel.org>, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: [PATCH 1/3] ARM: dts: am33xx: Add nodes for eQEP

This adds new nodes for the Texas Instruments Enhanced Quadrature
Encoder Pulse (eQEP) module in the PWM subsystem on AM33XX.

Signed-off-by: David Lechner <david@...hnology.com>
---
 arch/arm/boot/dts/am33xx-l4.dtsi | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/arch/arm/boot/dts/am33xx-l4.dtsi b/arch/arm/boot/dts/am33xx-l4.dtsi
index b88d0caa4b2d..17910268df82 100644
--- a/arch/arm/boot/dts/am33xx-l4.dtsi
+++ b/arch/arm/boot/dts/am33xx-l4.dtsi
@@ -1924,6 +1924,15 @@ ecap0: ecap@100 {
 					status = "disabled";
 				};
 
+				eqep0: counter@180 {
+					compatible = "ti,am3352-eqep";
+					reg = <0x180 0x80>;
+					clocks = <&l4ls_gclk>;
+					clock-names = "sysclkout";
+					interrupts = <79>;
+					status = "disabled";
+				};
+
 				ehrpwm0: pwm@200 {
 					compatible = "ti,am3352-ehrpwm",
 						     "ti,am33xx-ehrpwm";
@@ -1976,6 +1985,15 @@ ecap1: ecap@100 {
 					status = "disabled";
 				};
 
+				eqep1: counter@180 {
+					compatible = "ti,am3352-eqep";
+					reg = <0x180 0x80>;
+					clocks = <&l4ls_gclk>;
+					clock-names = "sysclkout";
+					interrupts = <88>;
+					status = "disabled";
+				};
+
 				ehrpwm1: pwm@200 {
 					compatible = "ti,am3352-ehrpwm",
 						     "ti,am33xx-ehrpwm";
@@ -2028,6 +2046,15 @@ ecap2: ecap@100 {
 					status = "disabled";
 				};
 
+				eqep2: counter@180 {
+					compatible = "ti,am3352-eqep";
+					reg = <0x180 0x80>;
+					clocks = <&l4ls_gclk>;
+					clock-names = "sysclkout";
+					interrupts = <89>;
+					status = "disabled";
+				};
+
 				ehrpwm2: pwm@200 {
 					compatible = "ti,am3352-ehrpwm",
 						     "ti,am33xx-ehrpwm";
-- 
2.25.1