diff mbox series

[v3,4/5] arm64: dts: imx8m: Add TMU phandle to calibration data in OCOTP

Message ID 20221202162353.274009-4-marex@denx.de
State New
Headers show
Series [v3,1/5] dt-bindings: thermal: imx8mm-thermal: Document optional nvmem-cells | expand

Commit Message

Marek Vasut Dec. 2, 2022, 4:23 p.m. UTC 
The TMU TASR, TCALIVn, TRIM registers must be explicitly programmed with
calibration values in OCOTP. Add the OCOTP calibration values phandle so
the TMU driver can perform this programming.

The MX8MM/MX8MN TMUv1 uses only one OCOTP cell, while MX8MP TMUv2 uses 4.

Reviewed-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Marek Vasut <marex@denx.de>
---
Cc: Adam Ford <aford173@gmail.com>
Cc: Alice Guo <alice.guo@nxp.com>
Cc: Amit Kucheria <amitk@kernel.org>
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
Cc: Fabio Estevam <festevam@gmail.com>
Cc: Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>
Cc: Li Jun <jun.li@nxp.com>
Cc: Lucas Stach <l.stach@pengutronix.de>
Cc: Markus Niebel <Markus.Niebel@ew.tq-group.com>
Cc: NXP Linux Team <linux-imx@nxp.com>
Cc: Peng Fan <peng.fan@nxp.com>
Cc: Pengutronix Kernel Team <kernel@pengutronix.de>
Cc: Rafael J. Wysocki <rafael@kernel.org>
Cc: Richard Cochran <richardcochran@gmail.com>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Cc: Shawn Guo <shawnguo@kernel.org>
Cc: Zhang Rui <rui.zhang@intel.com>
Cc: devicetree@vger.kernel.org
To: linux-pm@vger.kernel.org
To: linux-arm-kernel@lists.infradead.org
---
V2: Add RB from Peng
V3: No change
---
 arch/arm64/boot/dts/freescale/imx8mm.dtsi | 6 ++++++
 arch/arm64/boot/dts/freescale/imx8mn.dtsi | 6 ++++++
 arch/arm64/boot/dts/freescale/imx8mp.dtsi | 6 ++++++
 3 files changed, 18 insertions(+)
diff mbox series

Patch

diff --git a/arch/arm64/boot/dts/freescale/imx8mm.dtsi b/arch/arm64/boot/dts/freescale/imx8mm.dtsi
index 513c2de0caa15..0cd7fff47c44d 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mm.dtsi
@@ -496,6 +496,8 @@  tmu: tmu@30260000 {
 				compatible = "fsl,imx8mm-tmu";
 				reg = <0x30260000 0x10000>;
 				clocks = <&clk IMX8MM_CLK_TMU_ROOT>;
+				nvmem-cells = <&tmu_calib>;
+				nvmem-cell-names = "calib";
 				#thermal-sensor-cells = <0>;
 			};
 
@@ -584,6 +586,10 @@  cpu_speed_grade: speed-grade@10 { /* 0x440 */
 					reg = <0x10 4>;
 				};
 
+				tmu_calib: calib@3c { /* 0x4f0 */
+					reg = <0x3c 4>;
+				};
+
 				fec_mac_address: mac-address@90 { /* 0x640 */
 					reg = <0x90 6>;
 				};
diff --git a/arch/arm64/boot/dts/freescale/imx8mn.dtsi b/arch/arm64/boot/dts/freescale/imx8mn.dtsi
index 068f599cdf757..5eef9b274edde 100644
--- a/arch/arm64/boot/dts/freescale/imx8mn.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mn.dtsi
@@ -498,6 +498,8 @@  tmu: tmu@30260000 {
 				compatible = "fsl,imx8mn-tmu", "fsl,imx8mm-tmu";
 				reg = <0x30260000 0x10000>;
 				clocks = <&clk IMX8MN_CLK_TMU_ROOT>;
+				nvmem-cells = <&tmu_calib>;
+				nvmem-cell-names = "calib";
 				#thermal-sensor-cells = <0>;
 			};
 
@@ -585,6 +587,10 @@  cpu_speed_grade: speed-grade@10 { /* 0x440 */
 					reg = <0x10 4>;
 				};
 
+				tmu_calib: calib@3c { /* 0x4f0 */
+					reg = <0x3c 4>;
+				};
+
 				fec_mac_address: mac-address@90 { /* 0x640 */
 					reg = <0x90 6>;
 				};
diff --git a/arch/arm64/boot/dts/freescale/imx8mp.dtsi b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
index ddcd5e23ba47d..0173e394ad4d8 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
@@ -380,6 +380,8 @@  tmu: tmu@30260000 {
 				compatible = "fsl,imx8mp-tmu";
 				reg = <0x30260000 0x10000>;
 				clocks = <&clk IMX8MP_CLK_TSENSOR_ROOT>;
+				nvmem-cells = <&tmu_calib>;
+				nvmem-cell-names = "calib";
 				#thermal-sensor-cells = <1>;
 			};
 
@@ -454,6 +456,10 @@  eth_mac1: mac-address@90 { /* 0x640 */
 				eth_mac2: mac-address@96 { /* 0x658 */
 					reg = <0x96 6>;
 				};
+
+				tmu_calib: calib@264 { /* 0xd90-0xdc0 */
+					reg = <0x264 0x10>;
+				};
 			};
 
 			anatop: clock-controller@30360000 {