linux-kernel - [PATCH 3/5] ARM: dts: DRA7: Add TBCLK for PWMSS

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Date:	Mon, 1 Jun 2015 17:23:32 +0530
From:	Vignesh R <vigneshr@...com>
To:	Paul Walmsley <paul@...an.com>, Tero Kristo <t-kristo@...com>,
	Thierry Reding <thierry.reding@...il.com>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Benoit Cousson <bcousson@...libre.com>,
	Tony Lindgren <tony@...mide.com>,
	Russell King <linux@....linux.org.uk>,
	Mike Turquette <mturquette@...aro.org>,
	Stephen Boyd <sboyd@...eaurora.org>
CC:	<linux-pwm@...r.kernel.org>, <devicetree@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, <linux-omap@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	<linux-clk@...r.kernel.org>, Vignesh R <vigneshr@...com>
Subject: [PATCH 3/5] ARM: dts: DRA7: Add TBCLK for PWMSS

tbclk is used by ehrpwm to generate PWM waveform on DRA7 SoC. Add Linux
clock to control ehrpwm tbclk.

Signed-off-by: Vignesh R <vigneshr@...com>
---
 arch/arm/boot/dts/dra7.dtsi          |  5 +++++
 arch/arm/boot/dts/dra7xx-clocks.dtsi | 26 ++++++++++++++++++++++++++
 2 files changed, 31 insertions(+)

diff --git a/arch/arm/boot/dts/dra7.dtsi b/arch/arm/boot/dts/dra7.dtsi
index f03a091cd076..387c76ca41f9 100644
--- a/arch/arm/boot/dts/dra7.dtsi
+++ b/arch/arm/boot/dts/dra7.dtsi
@@ -131,6 +131,11 @@
 							regulator-max-microvolt = <3000000>;
 						};
 					};
+
+					scm_conf_clocks: clocks {
+						#address-cells = <1>;
+						#size-cells = <0>;
+					};
 				};
 
 				dra7_pmx_core: pinmux@...0 {
diff --git a/arch/arm/boot/dts/dra7xx-clocks.dtsi b/arch/arm/boot/dts/dra7xx-clocks.dtsi
index 3b933f74d000..92452d61cf58 100644
--- a/arch/arm/boot/dts/dra7xx-clocks.dtsi
+++ b/arch/arm/boot/dts/dra7xx-clocks.dtsi
@@ -2136,3 +2136,29 @@
 		clocks = <&dpll_usb_ck>;
 	};
 };
+
+&scm_conf_clocks {
+       ehrpwm0_tbclk: ehrpwm0_tbclk {
+		#clock-cells = <0>;
+		compatible = "ti,gate-clock";
+		clocks = <&l4_root_clk_div>;
+		ti,bit-shift = <20>;
+		reg = <0x0558>;
+	};
+
+	ehrpwm1_tbclk: ehrpwm1_tbclk {
+		#clock-cells = <0>;
+		compatible = "ti,gate-clock";
+		clocks = <&l4_root_clk_div>;
+		ti,bit-shift = <21>;
+		reg = <0x0558>;
+	};
+
+	ehrpwm2_tbclk: ehrpwm2_tbclk {
+		#clock-cells = <0>;
+		compatible = "ti,gate-clock";
+		clocks = <&l4_root_clk_div>;
+		ti,bit-shift = <22>;
+		reg = <0x0558>;
+	};
+};
-- 
2.4.1

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