Convert omap4 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@xxxxxx>
---
arch/arm/boot/dts/omap4-l4.dtsi | 11 ++++++---
arch/arm/boot/dts/omap4.dtsi | 43 +++++++++++++++++++++------------
2 files changed, 36 insertions(+), 18 deletions(-)
diff --git a/arch/arm/boot/dts/omap4-l4.dtsi b/arch/arm/boot/dts/omap4-l4.dtsi
index 0977bc39955b..7eca6cdbbdd9 100644
--- a/arch/arm/boot/dts/omap4-l4.dtsi
+++ b/arch/arm/boot/dts/omap4-l4.dtsi
@@ -321,7 +321,6 @@
target-module@66000 { /* 0x4a066000, ap 25 26.0 */
compatible = "ti,sysc-omap2", "ti,sysc";
- ti,hwmods = "mmu_dsp";
reg = <0x66000 0x4>,
<0x66010 0x4>,
<0x66014 0x4>;
@@ -335,12 +334,18 @@
/* Domains (V, P, C): iva, tesla_pwrdm, tesla_clkdm */
clocks = <&tesla_clkctrl OMAP4_DSP_CLKCTRL 0>;
clock-names = "fck";
+ resets = <&prm_tesla 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>;
+ };
};
};
diff --git a/arch/arm/boot/dts/omap4.dtsi b/arch/arm/boot/dts/omap4.dtsi
index e377f66fc322..f28fe1c36b0c 100644
--- a/arch/arm/boot/dts/omap4.dtsi
+++ b/arch/arm/boot/dts/omap4.dtsi
@@ -173,14 +173,6 @@
#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@52000000 {
compatible = "ti,sysc-omap4", "ti,sysc";
ti,hwmods = "iss";
@@ -206,14 +198,35 @@
/* No child device binding, driver in staging */
};
- 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;
+ 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 = <&ducati_clkctrl OMAP4_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@0 {
+ compatible = "ti,omap4-iommu";
+ reg = <0x0 0x100>;
+ interrupts = <GIC_SPI 100 IRQ_TYPE_LEVEL_HIGH>;
+ #iommu-cells = <0>;
+ ti,iommu-bus-err-back;
+ };
};
+
target-module@4012c000 {
compatible = "ti,sysc-omap4", "ti,sysc";
ti,hwmods = "slimbus1";
--
2.17.1
--
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