From: Svyatoslav Ryhel <clamor95@gmail.com>
To: Thierry Reding <thierry.reding@gmail.com>,
Thierry Reding <treding@nvidia.com>,
Jonathan Hunter <jonathanh@nvidia.com>,
Prashant Gaikwad <pgaikwad@nvidia.com>,
Michael Turquette <mturquette@baylibre.com>,
Stephen Boyd <sboyd@kernel.org>,
"Rafael J. Wysocki" <rafael@kernel.org>,
Viresh Kumar <viresh.kumar@linaro.org>,
Philipp Zabel <p.zabel@pengutronix.de>,
Svyatoslav Ryhel <clamor95@gmail.com>
Cc: linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-clk@vger.kernel.org, linux-pm@vger.kernel.org
Subject: [PATCH v2 3/3] ARM: tegra: Add DFLL clock support on Tegra114
Date: Mon, 14 Jul 2025 11:17:13 +0300 [thread overview]
Message-ID: <20250714081713.8409-4-clamor95@gmail.com> (raw)
In-Reply-To: <20250714081713.8409-1-clamor95@gmail.com>
Add DFLL clock node to common Tegra114 device tree along with clocks
property to cpu node.
Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com>
---
arch/arm/boot/dts/nvidia/tegra114.dtsi | 34 ++++++++++++++++++++++++++
1 file changed, 34 insertions(+)
diff --git a/arch/arm/boot/dts/nvidia/tegra114.dtsi b/arch/arm/boot/dts/nvidia/tegra114.dtsi
index 4caf2073c556..3ee51d7f3935 100644
--- a/arch/arm/boot/dts/nvidia/tegra114.dtsi
+++ b/arch/arm/boot/dts/nvidia/tegra114.dtsi
@@ -4,6 +4,7 @@
#include <dt-bindings/memory/tegra114-mc.h>
#include <dt-bindings/pinctrl/pinctrl-tegra.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/reset/tegra114-car.h>
#include <dt-bindings/soc/tegra-pmc.h>
/ {
@@ -693,6 +694,30 @@ mipi: mipi@700e3000 {
#nvidia,mipi-calibrate-cells = <1>;
};
+ dfll: clock@70110000 {
+ compatible = "nvidia,tegra114-dfll";
+ reg = <0x70110000 0x100>, /* DFLL control */
+ <0x70110000 0x100>, /* I2C output control */
+ <0x70110100 0x100>, /* Integrated I2C controller */
+ <0x70110200 0x100>; /* Look-up table RAM */
+ interrupts = <GIC_SPI 62 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&tegra_car TEGRA114_CLK_DFLL_SOC>,
+ <&tegra_car TEGRA114_CLK_DFLL_REF>,
+ <&tegra_car TEGRA114_CLK_I2C5>;
+ clock-names = "soc", "ref", "i2c";
+ resets = <&tegra_car TEGRA114_RST_DFLL_DVCO>;
+ reset-names = "dvco";
+ #clock-cells = <0>;
+ clock-output-names = "dfllCPU_out";
+ nvidia,sample-rate = <11500>;
+ nvidia,droop-ctrl = <0x00000f00>;
+ nvidia,force-mode = <1>;
+ nvidia,cf = <10>;
+ nvidia,ci = <0>;
+ nvidia,cg = <2>;
+ status = "disabled";
+ };
+
mmc@78000000 {
compatible = "nvidia,tegra114-sdhci";
reg = <0x78000000 0x200>;
@@ -824,6 +849,15 @@ cpu0: cpu@0 {
device_type = "cpu";
compatible = "arm,cortex-a15";
reg = <0>;
+
+ clocks = <&tegra_car TEGRA114_CLK_CCLK_G>,
+ <&tegra_car TEGRA114_CLK_CCLK_LP>,
+ <&tegra_car TEGRA114_CLK_PLL_X>,
+ <&tegra_car TEGRA114_CLK_PLL_P>,
+ <&dfll>;
+ clock-names = "cpu_g", "cpu_lp", "pll_x", "pll_p", "dfll";
+ /* FIXME: what's the actual transition time? */
+ clock-latency = <300000>;
};
cpu1: cpu@1 {
--
2.48.1
prev parent reply other threads:[~2025-07-14 8:17 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-07-14 8:17 [PATCH v2 0/3] clk: tegra: add DFLL support for Tegra 4 Svyatoslav Ryhel
2025-07-14 8:17 ` [PATCH v2 1/3] drivers: cpufreq: add Tegra114 support Svyatoslav Ryhel
2025-07-14 8:17 ` [PATCH v2 2/3] clk: tegra: add DFLL support for Tegra114 Svyatoslav Ryhel
2025-07-14 8:17 ` Svyatoslav Ryhel [this message]
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