From a6c8056d2f34e8d8fec398630facb32673f23984 Mon Sep 17 00:00:00 2001
From: Tero Kristo <t-kristo@ti.com>
Date: Thu, 12 Dec 2019 14:51:21 +0200
Subject: [PATCH] ARM: dts: omap5: convert IOMMUs to use ti-sysc

Convert omap5 IOMMUs to use ti-sysc instead of legacy omap-hwmod based
implementation. Enable the IOMMUs also while doing this.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
 arch/arm/boot/dts/omap5-l4.dtsi | 11 ++++++++---
 arch/arm/boot/dts/omap5.dtsi    | 40 ++++++++++++++++++++++++++--------------
 2 files changed, 34 insertions(+), 17 deletions(-)

diff --git a/arch/arm/boot/dts/omap5-l4.dtsi b/arch/arm/boot/dts/omap5-l4.dtsi
index 25aacf1..a29261d 100644
--- a/arch/arm/boot/dts/omap5-l4.dtsi
+++ b/arch/arm/boot/dts/omap5-l4.dtsi
@@ -349,7 +349,6 @@
 
 		target-module@66000 {			/* 0x4a066000, ap 23 0a.0 */
 			compatible = "ti,sysc-omap2", "ti,sysc";
-			ti,hwmods = "mmu_dsp";
 			reg = <0x66000 0x4>,
 			      <0x66010 0x4>,
 			      <0x66014 0x4>;
@@ -364,12 +363,18 @@
 			/* Domains (V, P, C): mm, dsp_pwrdm, dsp_clkdm */
 			clocks = <&dsp_clkctrl OMAP5_MMU_DSP_CLKCTRL 0>;
 			clock-names = "fck";
+			resets = <&prm_dsp 1>;
+			reset-names = "rstctrl";
 			#address-cells = <1>;
 			#size-cells = <1>;
 			ranges = <0x0 0x66000 0x1000>;
 
-			/* mmu_dsp cannot be moved before reset driver */
-			status = "disabled";
+			mmu_dsp: mmu@0 {
+				compatible = "ti,omap4-iommu";
+				reg = <0x0 0x100>;
+				interrupts = <GIC_SPI 28 IRQ_TYPE_LEVEL_HIGH>;
+				#iommu-cells = <0>;
+			};
 		};
 
 		target-module@70000 {			/* 0x4a070000, ap 79 2e.0 */
diff --git a/arch/arm/boot/dts/omap5.dtsi b/arch/arm/boot/dts/omap5.dtsi
index 1f6ad1d..d0ecf54 100644
--- a/arch/arm/boot/dts/omap5.dtsi
+++ b/arch/arm/boot/dts/omap5.dtsi
@@ -186,21 +186,33 @@
 			#gpio-cells = <2>;
 		};
 
-		mmu_dsp: mmu@4a066000 {
-			compatible = "ti,omap4-iommu";
-			reg = <0x4a066000 0x100>;
-			interrupts = <GIC_SPI 28 IRQ_TYPE_LEVEL_HIGH>;
-			ti,hwmods = "mmu_dsp";
-			#iommu-cells = <0>;
-		};
+		target-module@55082000 {
+			compatible = "ti,sysc-omap2", "ti,sysc";
+			reg = <0x55082000 0x4>,
+			      <0x55082010 0x4>,
+			      <0x55082014 0x4>;
+			reg-names = "rev", "sysc", "syss";
+			ti,sysc-sidle = <SYSC_IDLE_FORCE>,
+					<SYSC_IDLE_NO>,
+					<SYSC_IDLE_SMART>;
+			ti,sysc-mask = <(SYSC_OMAP2_CLOCKACTIVITY |
+					 SYSC_OMAP2_SOFTRESET |
+					 SYSC_OMAP2_AUTOIDLE)>;
+			clocks = <&ipu_clkctrl OMAP5_MMU_IPU_CLKCTRL 0>;
+			clock-names = "fck";
+			resets = <&prm_core 2>;
+			reset-names = "rstctrl";
+			ranges = <0x0 0x55082000 0x100>;
+			#size-cells = <1>;
+			#address-cells = <1>;
 
-		mmu_ipu: mmu@55082000 {
-			compatible = "ti,omap4-iommu";
-			reg = <0x55082000 0x100>;
-			interrupts = <GIC_SPI 100 IRQ_TYPE_LEVEL_HIGH>;
-			ti,hwmods = "mmu_ipu";
-			#iommu-cells = <0>;
-			ti,iommu-bus-err-back;
+			mmu_ipu: mmu@0 {
+				compatible = "ti,omap4-iommu";
+				reg = <0x0 0x100>;
+				interrupts = <GIC_SPI 100 IRQ_TYPE_LEVEL_HIGH>;
+				#iommu-cells = <0>;
+				ti,iommu-bus-err-back;
+			};
 		};
 
 		dmm@4e000000 {
-- 
2.7.4