[PATCH v4 1/4] arm64: dts: ti: k3-j7200: add DMA support

From: Grygorii Strashko
Date: Wed Sep 23 2020 - 18:09:55 EST


From: Peter Ujfalusi <peter.ujfalusi@xxxxxx>

Add the ringacc and udmap nodes for Main and MCU NAVSS.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@xxxxxx>
Signed-off-by: Grygorii Strashko <grygorii.strashko@xxxxxx>
---
arch/arm64/boot/dts/ti/k3-j7200-main.dtsi | 36 +++++++++++++++
.../boot/dts/ti/k3-j7200-mcu-wakeup.dtsi | 44 +++++++++++++++++++
2 files changed, 80 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-j7200-main.dtsi b/arch/arm64/boot/dts/ti/k3-j7200-main.dtsi
index 3df49577b06a..a44c3388c1a8 100644
--- a/arch/arm64/boot/dts/ti/k3-j7200-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-j7200-main.dtsi
@@ -93,6 +93,42 @@
interrupt-names = "rx_011";
interrupts = <GIC_SPI 37 IRQ_TYPE_LEVEL_HIGH>;
};
+
+ main_ringacc: ringacc@3c000000 {
+ compatible = "ti,am654-navss-ringacc";
+ reg = <0x00 0x3c000000 0x00 0x400000>,
+ <0x00 0x38000000 0x00 0x400000>,
+ <0x00 0x31120000 0x00 0x100>,
+ <0x00 0x33000000 0x00 0x40000>;
+ reg-names = "rt", "fifos", "proxy_gcfg", "proxy_target";
+ ti,num-rings = <1024>;
+ ti,sci-rm-range-gp-rings = <0x1>; /* GP ring range */
+ ti,sci = <&dmsc>;
+ ti,sci-dev-id = <211>;
+ msi-parent = <&main_udmass_inta>;
+ };
+
+ main_udmap: dma-controller@31150000 {
+ compatible = "ti,j721e-navss-main-udmap";
+ reg = <0x00 0x31150000 0x00 0x100>,
+ <0x00 0x34000000 0x00 0x100000>,
+ <0x00 0x35000000 0x00 0x100000>;
+ reg-names = "gcfg", "rchanrt", "tchanrt";
+ msi-parent = <&main_udmass_inta>;
+ #dma-cells = <1>;
+
+ ti,sci = <&dmsc>;
+ ti,sci-dev-id = <212>;
+ ti,ringacc = <&main_ringacc>;
+
+ ti,sci-rm-range-tchan = <0x0d>, /* TX_CHAN */
+ <0x0f>, /* TX_HCHAN */
+ <0x10>; /* TX_UHCHAN */
+ ti,sci-rm-range-rchan = <0x0a>, /* RX_CHAN */
+ <0x0b>, /* RX_HCHAN */
+ <0x0c>; /* RX_UHCHAN */
+ ti,sci-rm-range-rflow = <0x00>; /* GP RFLOW */
+ };
};

main_pmx0: pinctrl@11c000 {
diff --git a/arch/arm64/boot/dts/ti/k3-j7200-mcu-wakeup.dtsi b/arch/arm64/boot/dts/ti/k3-j7200-mcu-wakeup.dtsi
index ec2745e0768e..334c2fb2c082 100644
--- a/arch/arm64/boot/dts/ti/k3-j7200-mcu-wakeup.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-j7200-mcu-wakeup.dtsi
@@ -92,4 +92,48 @@
ti,sci-dev-id = <137>;
ti,interrupt-ranges = <16 960 16>;
};
+
+ mcu_navss: bus@28380000 {
+ compatible = "simple-mfd";
+ #address-cells = <2>;
+ #size-cells = <2>;
+ ranges = <0x00 0x28380000 0x00 0x28380000 0x00 0x03880000>;
+ dma-coherent;
+ dma-ranges;
+ ti,sci-dev-id = <232>;
+
+ mcu_ringacc: ringacc@2b800000 {
+ compatible = "ti,am654-navss-ringacc";
+ reg = <0x00 0x2b800000 0x00 0x400000>,
+ <0x00 0x2b000000 0x00 0x400000>,
+ <0x00 0x28590000 0x00 0x100>,
+ <0x00 0x2a500000 0x00 0x40000>;
+ reg-names = "rt", "fifos", "proxy_gcfg", "proxy_target";
+ ti,num-rings = <286>;
+ ti,sci-rm-range-gp-rings = <0x1>; /* GP ring range */
+ ti,sci = <&dmsc>;
+ ti,sci-dev-id = <235>;
+ msi-parent = <&main_udmass_inta>;
+ };
+
+ mcu_udmap: dma-controller@285c0000 {
+ compatible = "ti,j721e-navss-mcu-udmap";
+ reg = <0x00 0x285c0000 0x00 0x100>,
+ <0x00 0x2a800000 0x00 0x40000>,
+ <0x00 0x2aa00000 0x00 0x40000>;
+ reg-names = "gcfg", "rchanrt", "tchanrt";
+ msi-parent = <&main_udmass_inta>;
+ #dma-cells = <1>;
+
+ ti,sci = <&dmsc>;
+ ti,sci-dev-id = <236>;
+ ti,ringacc = <&mcu_ringacc>;
+
+ ti,sci-rm-range-tchan = <0x0d>, /* TX_CHAN */
+ <0x0f>; /* TX_HCHAN */
+ ti,sci-rm-range-rchan = <0x0a>, /* RX_CHAN */
+ <0x0b>; /* RX_HCHAN */
+ ti,sci-rm-range-rflow = <0x00>; /* GP RFLOW */
+ };
+ };
};
--
2.17.1