[PATCH V2 1/8] ARM: dts: OMAP34xx/35xx: Add CPU OPP table
From: nm@ti.com (Nishanth Menon)
Date: 2013-03-19 17:53:03
Also in:
linux-devicetree, linux-omap, linux-pm
Subsystem:
the rest · Maintainer:
Linus Torvalds
Add DT OPP table for OMAP34xx/35xx family of devices. This data is decoded by OF with of_init_opp_table() helper function. OPP data here is based on existing opp3xxx_data.c Since the omap36xx OPP tables would be different from OMAP34xx/35xx, introduce an new omap34xx.dtsi for 34xx/35xx specific entries and use existing omap3.dtsi as the common dtsi file for all OMAP3 platforms. This is in preparation to use generic cpufreq-cpu0 driver for device tree enabled boot. Legacy non device tree enabled boot continues to use omap-cpufreq.c and opp3xxx_data.c. Cc: Kevin Hilman <redacted> Cc: Jon Hunter <redacted> Cc: "Beno?t Cousson" <redacted> Cc: Santosh Shilimkar <redacted> Cc: Shawn Guo <redacted> Cc: Keerthy <j-keerthy@ti.com> Cc: linux-omap at vger.kernel.org Cc: devicetree-discuss at lists.ozlabs.org Cc: linux-arm-kernel at lists.infradead.org Cc: cpufreq at vger.kernel.org Cc: linux-pm at vger.kernel.org Signed-off-by: Nishanth Menon <nm@ti.com> --- Changes in V2: - introduce omap34xx.dtsi - donot delete the OPP table entries in omap3xxx_data.c - little more verbose commit log V1: https://patchwork.kernel.org/patch/2273571/ arch/arm/boot/dts/am3517-evm.dts | 2 +- arch/arm/boot/dts/am3517_mt_ventoux.dts | 2 +- arch/arm/boot/dts/omap3-beagle.dts | 2 +- arch/arm/boot/dts/omap3-devkit8000.dts | 2 +- arch/arm/boot/dts/omap3-evm.dts | 2 +- arch/arm/boot/dts/omap3-igep.dtsi | 2 +- arch/arm/boot/dts/omap3-overo.dtsi | 2 +- arch/arm/boot/dts/omap3430-sdp.dts | 2 +- arch/arm/boot/dts/omap34xx.dtsi | 28 ++++++++++++++++++++++++++++ 9 files changed, 36 insertions(+), 8 deletions(-) create mode 100644 arch/arm/boot/dts/omap34xx.dtsi
diff --git a/arch/arm/boot/dts/am3517-evm.dts b/arch/arm/boot/dts/am3517-evm.dts
index 474f760..e9b5bda 100644
--- a/arch/arm/boot/dts/am3517-evm.dts
+++ b/arch/arm/boot/dts/am3517-evm.dts@@ -7,7 +7,7 @@ */ /dts-v1/; -/include/ "omap3.dtsi" +/include/ "omap34xx.dtsi" / { model = "TI AM3517 EVM (AM3517/05)";
diff --git a/arch/arm/boot/dts/am3517_mt_ventoux.dts b/arch/arm/boot/dts/am3517_mt_ventoux.dts
index 5eb26d7..5568683 100644
--- a/arch/arm/boot/dts/am3517_mt_ventoux.dts
+++ b/arch/arm/boot/dts/am3517_mt_ventoux.dts@@ -7,7 +7,7 @@ */ /dts-v1/; -/include/ "omap3.dtsi" +/include/ "omap34xx.dtsi" / { model = "TeeJet Mt.Ventoux";
diff --git a/arch/arm/boot/dts/omap3-beagle.dts b/arch/arm/boot/dts/omap3-beagle.dts
index f624dc8..418550c 100644
--- a/arch/arm/boot/dts/omap3-beagle.dts
+++ b/arch/arm/boot/dts/omap3-beagle.dts@@ -7,7 +7,7 @@ */ /dts-v1/; -/include/ "omap3.dtsi" +/include/ "omap34xx.dtsi" / { model = "TI OMAP3 BeagleBoard";
diff --git a/arch/arm/boot/dts/omap3-devkit8000.dts b/arch/arm/boot/dts/omap3-devkit8000.dts
index 54d3da7..8a5cdcc 100644
--- a/arch/arm/boot/dts/omap3-devkit8000.dts
+++ b/arch/arm/boot/dts/omap3-devkit8000.dts@@ -7,7 +7,7 @@ */ /dts-v1/; -/include/ "omap3.dtsi" +/include/ "omap34xx.dtsi" / { model = "TimLL OMAP3 Devkit8000"; compatible = "timll,omap3-devkit8000", "ti,omap3";
diff --git a/arch/arm/boot/dts/omap3-evm.dts b/arch/arm/boot/dts/omap3-evm.dts
index 6e6f80d..f14370e 100644
--- a/arch/arm/boot/dts/omap3-evm.dts
+++ b/arch/arm/boot/dts/omap3-evm.dts@@ -7,7 +7,7 @@ */ /dts-v1/; -/include/ "omap3.dtsi" +/include/ "omap34xx.dtsi" / { model = "TI OMAP3 EVM (OMAP3530, AM/DM37x)";
diff --git a/arch/arm/boot/dts/omap3-igep.dtsi b/arch/arm/boot/dts/omap3-igep.dtsi
index dd01c46..f8fe3b7 100644
--- a/arch/arm/boot/dts/omap3-igep.dtsi
+++ b/arch/arm/boot/dts/omap3-igep.dtsi@@ -10,7 +10,7 @@ */ /dts-v1/; -/include/ "omap3.dtsi" +/include/ "omap34xx.dtsi" / { memory {
diff --git a/arch/arm/boot/dts/omap3-overo.dtsi b/arch/arm/boot/dts/omap3-overo.dtsi
index 2d93a08..d4a7280 100644
--- a/arch/arm/boot/dts/omap3-overo.dtsi
+++ b/arch/arm/boot/dts/omap3-overo.dtsi@@ -11,7 +11,7 @@ */ /dts-v1/; -/include/ "omap3.dtsi" +/include/ "omap34xx.dtsi" / { pwmleds {
diff --git a/arch/arm/boot/dts/omap3430-sdp.dts b/arch/arm/boot/dts/omap3430-sdp.dts
index 535a6f9..05cd8ba 100644
--- a/arch/arm/boot/dts/omap3430-sdp.dts
+++ b/arch/arm/boot/dts/omap3430-sdp.dts@@ -7,7 +7,7 @@ */ /dts-v1/; -/include/ "omap3.dtsi" +/include/ "omap34xx.dtsi" / { model = "TI OMAP3430 SDP";
diff --git a/arch/arm/boot/dts/omap34xx.dtsi b/arch/arm/boot/dts/omap34xx.dtsi
new file mode 100644
index 0000000..75ed4ae
--- /dev/null
+++ b/arch/arm/boot/dts/omap34xx.dtsi@@ -0,0 +1,28 @@ +/* + * Device Tree Source for OMAP34xx/OMAP35xx SoC + * + * Copyright (C) 2013 Texas Instruments Incorporated - http://www.ti.com/ + * + * This file is licensed under the terms of the GNU General Public License + * version 2. This program is licensed "as is" without any warranty of any + * kind, whether express or implied. + */ + +/include/ "omap3.dtsi" + +/ { + cpus { + cpu at 0 { + /* OMAP343x/OMAP35xx variants OPP1-5 */ + operating-points = < + /* kHz uV */ + 125000 975000 + 250000 1075000 + 500000 1200000 + 550000 1270000 + 600000 1350000 + >; + clock-latency = <300000>; /* From legacy driver */ + }; + }; +};
--
1.7.9.5