[PATCH v2 0/5] Add peripherals for J784S4

[PATCH v2 0/5] Add peripherals for J784S4

[Jayesh Choudhary]

This series adds support for:
- SERDES, WIZ DT nodes, Serdes lane control mux
- MAIN CPSW2G nodes
- DSS and DisplayPort-0 nodes

This series depends on DMA support patches for J784S4[1] which are
applied to linux-next.

DisplayPort has been tested on local J784S4 EVM. Test log:
<https://gist.github.com/Jayesh2000/3ba5a45b6e82f0c5c98d2e8fad56cb52>

Changelog v1->v2:
- Moved J784S4 EVM changes together to the last patch
  (Suggested by Andrew[2])

v1 patch link:
<https://lore.kernel.org/all/20230405111412.151192-1-j-choudhary@ti.com/>

[1]:
<https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=00e34c94987e4fe866f12ad8eac17268c936880c>
<https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=82e6051a48957a89066d15b17bb85d2f662f2bad>
<https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=436b288687176bf4d2c1cd25b86173e5a1649a60>

[2]:
<https://lore.kernel.org/all/e38ea0b2-5e51-05d6-50fc-c7ef3d4b8698@ti.com/>


Rahul T R (2):
  arm64: dts: ti: k3-j784s4-main: Add DSS and DP-bridge node
  arm64: dts: ti: k3-j784s4-evm: Enable DisplayPort-0

Siddharth Vadapalli (3):
  arm64: dts: ti: k3-j784s4-main: Add system controller and SERDES lane
    mux
  arm64: dts: ti: k3-j784s4: Add Main CPSW2G node
  arm64: dts: ti: k3-j784s4: Add WIZ and SERDES PHY nodes

 arch/arm64/boot/dts/ti/k3-j784s4-evm.dts   | 164 ++++++++++
 arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi | 338 +++++++++++++++++++++
 2 files changed, 502 insertions(+)

-- 
2.25.1

[PATCH v2 1/5] arm64: dts: ti: k3-j784s4-main: Add system controller and SERDES lane mux

[Jayesh Choudhary]

From: Siddharth Vadapalli <s-vadapalli@ti.com>

The system controller node manages the CTRL_MMR0 region.
Add serdes_ln_ctrl node which is used for controlling the SERDES lane mux.

Signed-off-by: Siddharth Vadapalli <s-vadapalli@ti.com>
Signed-off-by: Jayesh Choudhary <j-choudhary@ti.com>
---
 arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi b/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi
index e9169eb358c1..344f4ffa0b82 100644
--- a/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi
@@ -5,6 +5,9 @@
  * Copyright (C) 2022 Texas Instruments Incorporated - https://www.ti.com/
  */
 
+#include <dt-bindings/mux/mux.h>
+#include <dt-bindings/mux/ti-serdes.h>
+
 &cbass_main {
 	msmc_ram: sram@70000000 {
 		compatible = "mmio-sram";
@@ -26,6 +29,25 @@ l3cache-sram@200000 {
 		};
 	};
 
+	scm_conf: scm-conf@100000 {
+		compatible = "ti,j721e-system-controller", "syscon", "simple-mfd";
+		reg = <0x00 0x00100000 0x00 0x1c000>;
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges = <0x00 0x00 0x00100000 0x1c000>;
+
+		serdes_ln_ctrl: mux-controller@4080 {
+			compatible = "mmio-mux";
+			#mux-control-cells = <1>;
+			mux-reg-masks = <0x4080 0x3>, <0x4084 0x3>, /* SERDES0 lane0/1 select */
+					<0x4088 0x3>, <0x408c 0x3>, /* SERDES0 lane2/3 select */
+					<0x4090 0x3>, <0x4094 0x3>, /* SERDES1 lane0/1 select */
+					<0x4098 0x3>, <0x409c 0x3>, /* SERDES1 lane2/3 select */
+					<0x40a0 0x3>, <0x40a4 0x3>, /* SERDES2 lane0/1 select */
+					<0x40a8 0x3>, <0x40ac 0x3>; /* SERDES2 lane2/3 select */
+		};
+	};
+
 	gic500: interrupt-controller@1800000 {
 		compatible = "arm,gic-v3";
 		#address-cells = <2>;
-- 
2.25.1

[PATCH v2 2/5] arm64: dts: ti: k3-j784s4: Add Main CPSW2G node

[Jayesh Choudhary]

From: Siddharth Vadapalli <s-vadapalli@ti.com>

J784S4 SoC has a Main CPSW2G instance of the CPSW Ethernet Switch.

Add the device-tree nodes for the Main CPSW2G instance and enable it.

Signed-off-by: Siddharth Vadapalli <s-vadapalli@ti.com>
Signed-off-by: Jayesh Choudhary <j-choudhary@ti.com>
---
 arch/arm64/boot/dts/ti/k3-j784s4-evm.dts   | 48 +++++++++++++++
 arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi | 68 ++++++++++++++++++++++
 2 files changed, 116 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-j784s4-evm.dts b/arch/arm64/boot/dts/ti/k3-j784s4-evm.dts
index f33815953e77..aef6f53ae8ac 100644
--- a/arch/arm64/boot/dts/ti/k3-j784s4-evm.dts
+++ b/arch/arm64/boot/dts/ti/k3-j784s4-evm.dts
@@ -105,6 +105,30 @@ vdd_sd_dv: regulator-TLV71033 {
 };
 
 &main_pmx0 {
+	main_cpsw2g_pins_default: main-cpsw2g-pins-default {
+		pinctrl-single,pins = <
+			J784S4_IOPAD(0x0b8, PIN_INPUT, 6) /* (AC34) MCASP1_ACLKX.RGMII1_RD0 */
+			J784S4_IOPAD(0x0a0, PIN_INPUT, 6) /* (AD34) MCASP0_AXR12.RGMII1_RD1 */
+			J784S4_IOPAD(0x0a4, PIN_INPUT, 6) /* (AJ36) MCASP0_AXR13.RGMII1_RD2 */
+			J784S4_IOPAD(0x0a8, PIN_INPUT, 6) /* (AF34) MCASP0_AXR14.RGMII1_RD3 */
+			J784S4_IOPAD(0x0b0, PIN_INPUT, 6) /* (AL33) MCASP1_AXR3.RGMII1_RXC */
+			J784S4_IOPAD(0x0ac, PIN_INPUT, 6) /* (AE34) MCASP0_AXR15.RGMII1_RX_CTL */
+			J784S4_IOPAD(0x08c, PIN_INPUT, 6) /* (AE35) MCASP0_AXR7.RGMII1_TD0 */
+			J784S4_IOPAD(0x090, PIN_INPUT, 6) /* (AC35) MCASP0_AXR8.RGMII1_TD1 */
+			J784S4_IOPAD(0x094, PIN_INPUT, 6) /* (AG35) MCASP0_AXR9.RGMII1_TD2 */
+			J784S4_IOPAD(0x098, PIN_INPUT, 6) /* (AH36) MCASP0_AXR10.RGMII1_TD3 */
+			J784S4_IOPAD(0x0b4, PIN_INPUT, 6) /* (AL34) MCASP1_AXR4.RGMII1_TXC */
+			J784S4_IOPAD(0x09c, PIN_INPUT, 6) /* (AF35) MCASP0_AXR11.RGMII1_TX_CTL */
+		>;
+	};
+
+	main_cpsw2g_mdio_pins_default: main-cpsw2g-mdio-pins-default {
+		pinctrl-single,pins = <
+			J784S4_IOPAD(0x0c0, PIN_INPUT, 6) /* (AD38) MCASP1_AXR0.MDIO0_MDC */
+			J784S4_IOPAD(0x0bc, PIN_INPUT, 6) /* (AD33) MCASP1_AFSX.MDIO0_MDIO */
+		>;
+	};
+
 	main_uart8_pins_default: main-uart8-pins-default {
 		pinctrl-single,pins = <
 			J784S4_IOPAD(0x040, PIN_INPUT, 14) /* (AF37) MCASP0_AXR0.UART8_CTSn */
@@ -253,3 +277,27 @@ &mcu_cpsw_port1 {
 	phy-mode = "rgmii-rxid";
 	phy-handle = <&mcu_phy0>;
 };
+
+&main_cpsw1 {
+	status = "okay";
+	pinctrl-names = "default";
+	pinctrl-0 = <&main_cpsw2g_pins_default>;
+};
+
+&main_cpsw1_mdio {
+	pinctrl-names = "default";
+	pinctrl-0 = <&main_cpsw2g_mdio_pins_default>;
+
+	main_phy0: ethernet-phy@0 {
+		reg = <0>;
+		ti,rx-internal-delay = <DP83867_RGMIIDCTL_2_00_NS>;
+		ti,fifo-depth = <DP83867_PHYCR_FIFO_DEPTH_4_B_NIB>;
+		ti,min-output-impedance;
+	};
+};
+
+&main_cpsw1_port1 {
+	status = "okay";
+	phy-mode = "rgmii-rxid";
+	phy-handle = <&main_phy0>;
+};
diff --git a/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi b/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi
index 344f4ffa0b82..35b2ee07549b 100644
--- a/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi
@@ -36,6 +36,12 @@ scm_conf: scm-conf@100000 {
 		#size-cells = <1>;
 		ranges = <0x00 0x00 0x00100000 0x1c000>;
 
+		cpsw1_phy_gmii_sel: phy@4034 {
+			compatible = "ti,am654-phy-gmii-sel";
+			reg = <0x4034 0x4>;
+			#phy-cells = <1>;
+		};
+
 		serdes_ln_ctrl: mux-controller@4080 {
 			compatible = "mmio-mux";
 			#mux-control-cells = <1>;
@@ -777,6 +783,68 @@ cpts@310d0000 {
 		};
 	};
 
+	main_cpsw1: ethernet@c200000 {
+		compatible = "ti,j721e-cpsw-nuss";
+		#address-cells = <2>;
+		#size-cells = <2>;
+		reg = <0x00 0xc200000 0x00 0x200000>;
+		reg-names = "cpsw_nuss";
+		ranges = <0x00 0x00 0x00 0xc200000 0x00 0x200000>;
+		dma-coherent;
+		clocks = <&k3_clks 62 0>;
+		clock-names = "fck";
+		power-domains = <&k3_pds 62 TI_SCI_PD_EXCLUSIVE>;
+
+		dmas = <&main_udmap 0xc640>,
+		       <&main_udmap 0xc641>,
+		       <&main_udmap 0xc642>,
+		       <&main_udmap 0xc643>,
+		       <&main_udmap 0xc644>,
+		       <&main_udmap 0xc645>,
+		       <&main_udmap 0xc646>,
+		       <&main_udmap 0xc647>,
+		       <&main_udmap 0x4640>;
+		dma-names = "tx0", "tx1", "tx2", "tx3",
+			    "tx4", "tx5", "tx6", "tx7",
+			    "rx";
+
+		status = "disabled";
+
+		ethernet-ports {
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			main_cpsw1_port1: port@1 {
+				reg = <1>;
+				label = "port1";
+				phys = <&cpsw1_phy_gmii_sel 1>;
+				ti,mac-only;
+				status = "disabled";
+			};
+		};
+
+		main_cpsw1_mdio: mdio@f00 {
+			compatible = "ti,cpsw-mdio", "ti,davinci_mdio";
+			reg = <0x00 0xf00 0x00 0x100>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			clocks = <&k3_clks 62 0>;
+			clock-names = "fck";
+			bus_freq = <1000000>;
+		};
+
+		cpts@3d000 {
+			compatible = "ti,am65-cpts";
+			reg = <0x00 0x3d000 0x00 0x400>;
+			clocks = <&k3_clks 62 3>;
+			clock-names = "cpts";
+			interrupts-extended = <&gic500 GIC_SPI 21 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "cpts";
+			ti,cpts-ext-ts-inputs = <4>;
+			ti,cpts-periodic-outputs = <2>;
+		};
+	};
+
 	main_mcan0: can@2701000 {
 		compatible = "bosch,m_can";
 		reg = <0x00 0x02701000 0x00 0x200>,
-- 
2.25.1

[PATCH v2 3/5] arm64: dts: ti: k3-j784s4: Add WIZ and SERDES PHY nodes

[Jayesh Choudhary]

From: Siddharth Vadapalli <s-vadapalli@ti.com>

J784S4 SoC has 4 Serdes instances along with their respective WIZ
instances. Add device-tree nodes for them and disable them by default.

Signed-off-by: Siddharth Vadapalli <s-vadapalli@ti.com>
Signed-off-by: Jayesh Choudhary <j-choudhary@ti.com>
---
 arch/arm64/boot/dts/ti/k3-j784s4-evm.dts   |   4 +
 arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi | 171 +++++++++++++++++++++
 2 files changed, 175 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-j784s4-evm.dts b/arch/arm64/boot/dts/ti/k3-j784s4-evm.dts
index aef6f53ae8ac..b1445b7c2aa8 100644
--- a/arch/arm64/boot/dts/ti/k3-j784s4-evm.dts
+++ b/arch/arm64/boot/dts/ti/k3-j784s4-evm.dts
@@ -301,3 +301,7 @@ &main_cpsw1_port1 {
 	phy-mode = "rgmii-rxid";
 	phy-handle = <&main_phy0>;
 };
+
+&serdes_refclk {
+	clock-frequency = <100000000>;
+};
diff --git a/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi b/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi
index 35b2ee07549b..0cd692bc52e6 100644
--- a/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi
@@ -7,6 +7,15 @@
 
 #include <dt-bindings/mux/mux.h>
 #include <dt-bindings/mux/ti-serdes.h>
+#include <dt-bindings/phy/phy.h>
+#include <dt-bindings/phy/phy-ti.h>
+
+/ {
+	serdes_refclk: serdes-refclk {
+		#clock-cells = <0>;
+		compatible = "fixed-clock";
+	};
+};
 
 &cbass_main {
 	msmc_ram: sram@70000000 {
@@ -440,6 +449,168 @@ main_sdhci1: mmc@4fb0000 {
 		status = "disabled";
 	};
 
+	serdes_wiz0: wiz@5060000 {
+		compatible = "ti,j784s4-wiz-10g";
+		#address-cells = <1>;
+		#size-cells = <1>;
+		power-domains = <&k3_pds 404 TI_SCI_PD_EXCLUSIVE>;
+		clocks = <&k3_clks 404 2>, <&k3_clks 404 6>, <&k3_clks 404 5>, <&serdes_refclk>;
+		clock-names = "fck", "core_ref_clk", "core_ref1_clk", "ext_ref_clk";
+		assigned-clocks = <&k3_clks 404 6>;
+		assigned-clock-parents = <&k3_clks 404 10>;
+		num-lanes = <4>;
+		#reset-cells = <1>;
+		#clock-cells = <1>;
+		ranges = <0x5060000 0x00 0x5060000 0x10000>;
+
+		status = "disabled";
+
+		serdes0: serdes@5060000 {
+			compatible = "ti,j721e-serdes-10g";
+			reg = <0x05060000 0x010000>;
+			reg-names = "torrent_phy";
+			resets = <&serdes_wiz0 0>;
+			reset-names = "torrent_reset";
+			clocks = <&serdes_wiz0 TI_WIZ_PLL0_REFCLK>,
+				 <&serdes_wiz0 TI_WIZ_PHY_EN_REFCLK>;
+			clock-names = "refclk", "phy_en_refclk";
+			assigned-clocks = <&serdes_wiz0 TI_WIZ_PLL0_REFCLK>,
+					  <&serdes_wiz0 TI_WIZ_PLL1_REFCLK>,
+					  <&serdes_wiz0 TI_WIZ_REFCLK_DIG>;
+			assigned-clock-parents = <&k3_clks 404 6>,
+						 <&k3_clks 404 6>,
+						 <&k3_clks 404 6>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			#clock-cells = <1>;
+
+			status = "disabled";
+		};
+	};
+
+	serdes_wiz1: wiz@5070000 {
+		compatible = "ti,j784s4-wiz-10g";
+		#address-cells = <1>;
+		#size-cells = <1>;
+		power-domains = <&k3_pds 405 TI_SCI_PD_EXCLUSIVE>;
+		clocks = <&k3_clks 405 2>, <&k3_clks 405 6>, <&k3_clks 405 5>, <&serdes_refclk>;
+		clock-names = "fck", "core_ref_clk", "core_ref1_clk", "ext_ref_clk";
+		assigned-clocks = <&k3_clks 405 6>;
+		assigned-clock-parents = <&k3_clks 405 10>;
+		num-lanes = <4>;
+		#reset-cells = <1>;
+		#clock-cells = <1>;
+		ranges = <0x05070000 0x00 0x05070000 0x10000>;
+
+		status = "disabled";
+
+		serdes1: serdes@5070000 {
+			compatible = "ti,j721e-serdes-10g";
+			reg = <0x05070000 0x010000>;
+			reg-names = "torrent_phy";
+			resets = <&serdes_wiz1 0>;
+			reset-names = "torrent_reset";
+			clocks = <&serdes_wiz1 TI_WIZ_PLL0_REFCLK>,
+				 <&serdes_wiz1 TI_WIZ_PHY_EN_REFCLK>;
+			clock-names = "refclk", "phy_en_refclk";
+			assigned-clocks = <&serdes_wiz1 TI_WIZ_PLL0_REFCLK>,
+					  <&serdes_wiz1 TI_WIZ_PLL1_REFCLK>,
+					  <&serdes_wiz1 TI_WIZ_REFCLK_DIG>;
+			assigned-clock-parents = <&k3_clks 405 6>,
+						 <&k3_clks 405 6>,
+						 <&k3_clks 405 6>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			#clock-cells = <1>;
+
+			status = "disabled";
+		};
+	};
+
+	serdes_wiz2: wiz@5020000 {
+		compatible = "ti,j784s4-wiz-10g";
+		#address-cells = <1>;
+		#size-cells = <1>;
+		power-domains = <&k3_pds 406 TI_SCI_PD_EXCLUSIVE>;
+		clocks = <&k3_clks 406 2>, <&k3_clks 406 6>, <&k3_clks 406 5>, <&serdes_refclk>;
+		clock-names = "fck", "core_ref_clk", "core_ref1_clk", "ext_ref_clk";
+		assigned-clocks = <&k3_clks 406 6>;
+		assigned-clock-parents = <&k3_clks 406 10>;
+		num-lanes = <4>;
+		#reset-cells = <1>;
+		#clock-cells = <1>;
+		ranges = <0x05020000 0x00 0x05020000 0x10000>;
+
+		status = "disabled";
+
+		serdes2: serdes@5020000 {
+			compatible = "ti,j721e-serdes-10g";
+			reg = <0x05020000 0x010000>;
+			reg-names = "torrent_phy";
+			resets = <&serdes_wiz2 0>;
+			reset-names = "torrent_reset";
+			clocks = <&serdes_wiz2 TI_WIZ_PLL0_REFCLK>,
+				 <&serdes_wiz2 TI_WIZ_PHY_EN_REFCLK>;
+			clock-names = "refclk", "phy_en_refclk";
+			assigned-clocks = <&serdes_wiz2 TI_WIZ_PLL0_REFCLK>,
+					  <&serdes_wiz2 TI_WIZ_PLL1_REFCLK>,
+					  <&serdes_wiz2 TI_WIZ_REFCLK_DIG>;
+			assigned-clock-parents = <&k3_clks 406 6>,
+						 <&k3_clks 406 6>,
+						 <&k3_clks 406 6>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			#clock-cells = <1>;
+
+			status = "disabled";
+		};
+	};
+
+	serdes_wiz4: wiz@5050000 {
+		compatible = "ti,j784s4-wiz-10g";
+		#address-cells = <1>;
+		#size-cells = <1>;
+		power-domains = <&k3_pds 407 TI_SCI_PD_EXCLUSIVE>;
+		clocks = <&k3_clks 407 2>, <&k3_clks 407 6>, <&k3_clks 407 5>, <&serdes_refclk>;
+		clock-names = "fck", "core_ref_clk", "core_ref1_clk", "ext_ref_clk";
+		assigned-clocks = <&k3_clks 407 6>;
+		assigned-clock-parents = <&k3_clks 407 10>;
+		num-lanes = <4>;
+		#reset-cells = <1>;
+		#clock-cells = <1>;
+		ranges = <0x05050000 0x00 0x05050000 0x10000>,
+			 <0xa030a00 0x00 0xa030a00 0x40>; /* DPTX PHY */
+
+		status = "disabled";
+
+		serdes4: serdes@5050000 {
+			/*
+			 * Note: we also map DPTX PHY registers as the Torrent
+			 * needs to manage those.
+			 */
+			compatible = "ti,j721e-serdes-10g";
+			reg = <0x05050000 0x010000>,
+			      <0x0a030a00 0x40>; /* DPTX PHY */
+			reg-names = "torrent_phy";
+			resets = <&serdes_wiz4 0>;
+			reset-names = "torrent_reset";
+			clocks = <&serdes_wiz4 TI_WIZ_PLL0_REFCLK>,
+				 <&serdes_wiz4 TI_WIZ_PHY_EN_REFCLK>;
+			clock-names = "refclk", "phy_en_refclk";
+			assigned-clocks = <&serdes_wiz4 TI_WIZ_PLL0_REFCLK>,
+					  <&serdes_wiz4 TI_WIZ_PLL1_REFCLK>,
+					  <&serdes_wiz4 TI_WIZ_REFCLK_DIG>;
+			assigned-clock-parents = <&k3_clks 407 6>,
+						 <&k3_clks 407 6>,
+						 <&k3_clks 407 6>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			#clock-cells = <1>;
+
+			status = "disabled";
+		};
+	};
+
 	main_navss: bus@30000000 {
 		compatible = "simple-bus";
 		#address-cells = <2>;
-- 
2.25.1

[PATCH v2 4/5] arm64: dts: ti: k3-j784s4-main: Add DSS and DP-bridge node

[Jayesh Choudhary]

From: Rahul T R <r-ravikumar@ti.com>

Add DSS and DP-bridge node for J784S4 SoC. DSS IP in J784S4 is
same as DSS IP in J721E, so same compatible is being used.
The DP is Cadence MHDP8546.

Signed-off-by: Rahul T R <r-ravikumar@ti.com>
[j-choudhary@ti.com: move all k3-j784s4-main.dtsi changes together]
Signed-off-by: Jayesh Choudhary <j-choudhary@ti.com>
---
 arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi | 77 ++++++++++++++++++++++
 1 file changed, 77 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi b/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi
index 0cd692bc52e6..fc6071c16188 100644
--- a/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi
@@ -1373,4 +1373,81 @@ main_spi7: spi@2170000 {
 		clocks = <&k3_clks 383 1>;
 		status = "disabled";
 	};
+
+	mhdp: dp-bridge@a000000 {
+		compatible = "ti,j721e-mhdp8546";
+
+		reg = <0x0 0xa000000 0x0 0x30a00>,
+		      <0x0 0x4f40000 0x0 0x20>;
+		reg-names = "mhdptx", "j721e-intg";
+
+		clocks = <&k3_clks 217 11>;
+
+		interrupt-parent = <&gic500>;
+		interrupts = <GIC_SPI 614 IRQ_TYPE_LEVEL_HIGH>;
+
+		power-domains = <&k3_pds 217 TI_SCI_PD_EXCLUSIVE>;
+
+		status = "disabled";
+
+		dp0_ports: ports {
+			#address-cells = <1>;
+			#size-cells = <0>;
+		};
+	};
+
+	dss: dss@4a00000 {
+		compatible = "ti,j721e-dss";
+		reg =
+			<0x00 0x04a00000 0x00 0x10000>,
+			<0x00 0x04a10000 0x00 0x10000>,
+			<0x00 0x04b00000 0x00 0x10000>,
+			<0x00 0x04b10000 0x00 0x10000>,
+
+			<0x00 0x04a20000 0x00 0x10000>,
+			<0x00 0x04a30000 0x00 0x10000>,
+			<0x00 0x04a50000 0x00 0x10000>,
+			<0x00 0x04a60000 0x00 0x10000>,
+
+			<0x00 0x04a70000 0x00 0x10000>,
+			<0x00 0x04a90000 0x00 0x10000>,
+			<0x00 0x04ab0000 0x00 0x10000>,
+			<0x00 0x04ad0000 0x00 0x10000>,
+
+			<0x00 0x04a80000 0x00 0x10000>,
+			<0x00 0x04aa0000 0x00 0x10000>,
+			<0x00 0x04ac0000 0x00 0x10000>,
+			<0x00 0x04ae0000 0x00 0x10000>,
+			<0x00 0x04af0000 0x00 0x10000>;
+
+		reg-names = "common_m", "common_s0",
+			"common_s1", "common_s2",
+			"vidl1", "vidl2","vid1","vid2",
+			"ovr1", "ovr2", "ovr3", "ovr4",
+			"vp1", "vp2", "vp3", "vp4",
+			"wb";
+
+		clocks =	<&k3_clks 218 0>,
+				<&k3_clks 218 2>,
+				<&k3_clks 218 5>,
+				<&k3_clks 218 14>,
+				<&k3_clks 218 18>;
+		clock-names = "fck", "vp1", "vp2", "vp3", "vp4";
+
+		power-domains = <&k3_pds 218 TI_SCI_PD_EXCLUSIVE>;
+
+		interrupts = <GIC_SPI 602 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 603 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 604 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 605 IRQ_TYPE_LEVEL_HIGH>;
+		interrupt-names = "common_m",
+				  "common_s0",
+				  "common_s1",
+				  "common_s2";
+
+		status = "disabled";
+
+		dss_ports: ports {
+		};
+	};
 };
-- 
2.25.1

[PATCH v2 5/5] arm64: dts: ti: k3-j784s4-evm: Enable DisplayPort-0

[Jayesh Choudhary]

From: Rahul T R <r-ravikumar@ti.com>

Enable display for J784S4 EVM.

Add assigned clocks for DSS, DT node for DisplayPort PHY and pinmux for DP
HPD.

Add the endpoint nodes to describe connection from:
DSS => MHDP => DisplayPort connector.

Also add the GPIO expander-4 node and pinmux for main_i2c4 which is
required for controlling DP power. Set status for all required nodes
for DP-0 as "okay".

Signed-off-by: Rahul T R <r-ravikumar@ti.com>
[j-choudhary@ti.com: move all the changes together to enable DP-0 in EVM]
Signed-off-by: Jayesh Choudhary <j-choudhary@ti.com>
---
 arch/arm64/boot/dts/ti/k3-j784s4-evm.dts | 112 +++++++++++++++++++++++
 1 file changed, 112 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-j784s4-evm.dts b/arch/arm64/boot/dts/ti/k3-j784s4-evm.dts
index b1445b7c2aa8..03c9bf34cb1b 100644
--- a/arch/arm64/boot/dts/ti/k3-j784s4-evm.dts
+++ b/arch/arm64/boot/dts/ti/k3-j784s4-evm.dts
@@ -102,6 +102,28 @@ vdd_sd_dv: regulator-TLV71033 {
 		states = <1800000 0x0>,
 			 <3300000 0x1>;
 	};
+
+	dp0_pwr_3v3: regulator-dp0-prw {
+		compatible = "regulator-fixed";
+		regulator-name = "dp0-pwr";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		gpio = <&exp4 0 GPIO_ACTIVE_HIGH>;
+		enable-active-high;
+	};
+
+	dp0: dp0-connector {
+		compatible = "dp-connector";
+		label = "DP0";
+		type = "full-size";
+		dp-pwr-supply = <&dp0_pwr_3v3>;
+
+		port {
+			dp0_connector_in: endpoint {
+				remote-endpoint = <&dp0_out>;
+			};
+		};
+	};
 };
 
 &main_pmx0 {
@@ -163,6 +185,19 @@ vdd_sd_dv_pins_default: vdd-sd-dv-pins-default {
 			J784S4_IOPAD(0x020, PIN_INPUT, 7) /* (AJ35) MCAN15_RX.GPIO0_8 */
 		>;
 	};
+
+	dp0_pins_default: dp0-pins-default {
+		pinctrl-single,pins = <
+			J784S4_IOPAD(0x0cc, PIN_INPUT, 12) /* (AM37) SPI0_CS0.DP0_HPD */
+		>;
+	};
+
+	main_i2c4_pins_default: main-i2c4-pins-default {
+		pinctrl-single,pins = <
+			J784S4_IOPAD(0x014, PIN_INPUT_PULLUP, 8) /* (AG33) MCAN14_TX.I2C4_SCL */
+			J784S4_IOPAD(0x010, PIN_INPUT_PULLUP, 8) /* (AH33) MCAN13_RX.I2C4_SDA */
+		>;
+	};
 };
 
 &wkup_pmx0 {
@@ -305,3 +340,80 @@ &main_cpsw1_port1 {
 &serdes_refclk {
 	clock-frequency = <100000000>;
 };
+
+&dss {
+	status = "okay";
+	assigned-clocks = <&k3_clks 218 2>,
+			  <&k3_clks 218 5>,
+			  <&k3_clks 218 14>,
+			  <&k3_clks 218 18>;
+	assigned-clock-parents = <&k3_clks 218 3>,
+				 <&k3_clks 218 7>,
+				 <&k3_clks 218 16>,
+				 <&k3_clks 218 22>;
+};
+
+&serdes_wiz4 {
+	status = "okay";
+};
+
+&serdes4 {
+	status = "okay";
+	serdes4_dp_link: phy@0 {
+		reg = <0>;
+		cdns,num-lanes = <4>;
+		#phy-cells = <0>;
+		cdns,phy-type = <PHY_TYPE_DP>;
+		resets = <&serdes_wiz4 1>, <&serdes_wiz4 2>,
+			 <&serdes_wiz4 3>, <&serdes_wiz4 4>;
+	};
+};
+
+&mhdp {
+	status = "okay";
+	pinctrl-names = "default";
+	pinctrl-0 = <&dp0_pins_default>;
+	phys = <&serdes4_dp_link>;
+	phy-names = "dpphy";
+};
+
+&dss_ports {
+	port {
+		dpi0_out: endpoint {
+			remote-endpoint = <&dp0_in>;
+		};
+	};
+};
+
+&main_i2c4 {
+	status = "okay";
+	pinctrl-names = "default";
+	pinctrl-0 = <&main_i2c4_pins_default>;
+	clock-frequency = <400000>;
+
+	exp4: gpio@20 {
+		compatible = "ti,tca6408";
+		reg = <0x20>;
+		gpio-controller;
+		#gpio-cells = <2>;
+	};
+};
+
+&dp0_ports {
+	#address-cells = <1>;
+	#size-cells = <0>;
+
+	port@0 {
+		reg = <0>;
+		dp0_in: endpoint {
+			remote-endpoint = <&dpi0_out>;
+		};
+	};
+
+	port@4 {
+		reg = <4>;
+		dp0_out: endpoint {
+			remote-endpoint = <&dp0_connector_in>;
+		};
+	};
+};
-- 
2.25.1

Re: [PATCH v2 1/5] arm64: dts: ti: k3-j784s4-main: Add system controller and SERDES lane mux

[Vignesh Raghavendra]

Hi Jayesh

On 14/04/23 20:45, Jayesh Choudhary wrote:
> From: Siddharth Vadapalli <s-vadapalli@ti.com>
> 
> The system controller node manages the CTRL_MMR0 region.
> Add serdes_ln_ctrl node which is used for controlling the SERDES lane mux.
> 
> Signed-off-by: Siddharth Vadapalli <s-vadapalli@ti.com>
> Signed-off-by: Jayesh Choudhary <j-choudhary@ti.com>
> ---
>  arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi | 22 ++++++++++++++++++++++
>  1 file changed, 22 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi b/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi
> index e9169eb358c1..344f4ffa0b82 100644
> --- a/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi
> +++ b/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi
> @@ -5,6 +5,9 @@
>   * Copyright (C) 2022 Texas Instruments Incorporated - https://www.ti.com/
>   */
>  
> +#include <dt-bindings/mux/mux.h>
> +#include <dt-bindings/mux/ti-serdes.h>
> +
>  &cbass_main {
>  	msmc_ram: sram@70000000 {
>  		compatible = "mmio-sram";
> @@ -26,6 +29,25 @@ l3cache-sram@200000 {
>  		};
>  	};
>  
> +	scm_conf: scm-conf@100000 {

generic node name please: "syscon@"

> +		compatible = "ti,j721e-system-controller", "syscon", "simple-mfd";
> +		reg = <0x00 0x00100000 0x00 0x1c000>;
> +		#address-cells = <1>;
> +		#size-cells = <1>;
> +		ranges = <0x00 0x00 0x00100000 0x1c000>;
> +
> +		serdes_ln_ctrl: mux-controller@4080 {

Either add reg property or replace @ with -

Run make with W=12 to catch such errors.

> +			compatible = "mmio-mux";
> +			#mux-control-cells = <1>;
> +			mux-reg-masks = <0x4080 0x3>, <0x4084 0x3>, /* SERDES0 lane0/1 select */
> +					<0x4088 0x3>, <0x408c 0x3>, /* SERDES0 lane2/3 select */
> +					<0x4090 0x3>, <0x4094 0x3>, /* SERDES1 lane0/1 select */
> +					<0x4098 0x3>, <0x409c 0x3>, /* SERDES1 lane2/3 select */
> +					<0x40a0 0x3>, <0x40a4 0x3>, /* SERDES2 lane0/1 select */
> +					<0x40a8 0x3>, <0x40ac 0x3>; /* SERDES2 lane2/3 select */
> +		};
> +	};
> +
>  	gic500: interrupt-controller@1800000 {
>  		compatible = "arm,gic-v3";
>  		#address-cells = <2>;

-- 
Regards
Vignesh

Re: [PATCH v2 3/5] arm64: dts: ti: k3-j784s4: Add WIZ and SERDES PHY nodes

[Vignesh Raghavendra]

On 14/04/23 20:45, Jayesh Choudhary wrote:
> diff --git a/arch/arm64/boot/dts/ti/k3-j784s4-evm.dts b/arch/arm64/boot/dts/ti/k3-j784s4-evm.dts
> index aef6f53ae8ac..b1445b7c2aa8 100644
> --- a/arch/arm64/boot/dts/ti/k3-j784s4-evm.dts
> +++ b/arch/arm64/boot/dts/ti/k3-j784s4-evm.dts
> @@ -301,3 +301,7 @@ &main_cpsw1_port1 {
>  	phy-mode = "rgmii-rxid";
>  	phy-handle = <&main_phy0>;
>  };
> +
> +&serdes_refclk {
> +	clock-frequency = <100000000>;
> +};

Can we move this to 5/5 along with rest of -evm.dts changes?

-- 
Regards
Vignesh

Re: [PATCH v2 1/5] arm64: dts: ti: k3-j784s4-main: Add system controller and SERDES lane mux

[Jayesh Choudhary]

Hi Vignesh,

On 17/04/23 10:07, Vignesh Raghavendra wrote:
> Hi Jayesh
> 
> On 14/04/23 20:45, Jayesh Choudhary wrote:
>> From: Siddharth Vadapalli <s-vadapalli@ti.com>
>>
>> The system controller node manages the CTRL_MMR0 region.
>> Add serdes_ln_ctrl node which is used for controlling the SERDES lane mux.
>>
>> Signed-off-by: Siddharth Vadapalli <s-vadapalli@ti.com>
>> Signed-off-by: Jayesh Choudhary <j-choudhary@ti.com>
>> ---
>>   arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi | 22 ++++++++++++++++++++++
>>   1 file changed, 22 insertions(+)
>>
>> diff --git a/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi b/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi
>> index e9169eb358c1..344f4ffa0b82 100644
>> --- a/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi
>> +++ b/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi
>> @@ -5,6 +5,9 @@
>>    * Copyright (C) 2022 Texas Instruments Incorporated - https://www.ti.com/
>>    */
>>   
>> +#include <dt-bindings/mux/mux.h>
>> +#include <dt-bindings/mux/ti-serdes.h>
>> +
>>   &cbass_main {
>>   	msmc_ram: sram@70000000 {
>>   		compatible = "mmio-sram";
>> @@ -26,6 +29,25 @@ l3cache-sram@200000 {
>>   		};
>>   	};
>>   
>> +	scm_conf: scm-conf@100000 {
> 
> generic node name please: "syscon@"

Okay.

> 
>> +		compatible = "ti,j721e-system-controller", "syscon", "simple-mfd";
>> +		reg = <0x00 0x00100000 0x00 0x1c000>;
>> +		#address-cells = <1>;
>> +		#size-cells = <1>;
>> +		ranges = <0x00 0x00 0x00100000 0x1c000>;
>> +
>> +		serdes_ln_ctrl: mux-controller@4080 {
> 
> Either add reg property or replace @ with -

Will use '-'.

> 
> Run make with W=12 to catch such errors.

Okay. Will do.

Thanks.

[...]

Re: [PATCH v2 3/5] arm64: dts: ti: k3-j784s4: Add WIZ and SERDES PHY nodes

[Jayesh Choudhary]

On 17/04/23 10:10, Vignesh Raghavendra wrote:
> 
> 
> On 14/04/23 20:45, Jayesh Choudhary wrote:
>> diff --git a/arch/arm64/boot/dts/ti/k3-j784s4-evm.dts b/arch/arm64/boot/dts/ti/k3-j784s4-evm.dts
>> index aef6f53ae8ac..b1445b7c2aa8 100644
>> --- a/arch/arm64/boot/dts/ti/k3-j784s4-evm.dts
>> +++ b/arch/arm64/boot/dts/ti/k3-j784s4-evm.dts
>> @@ -301,3 +301,7 @@ &main_cpsw1_port1 {
>>   	phy-mode = "rgmii-rxid";
>>   	phy-handle = <&main_phy0>;
>>   };
>> +
>> +&serdes_refclk {
>> +	clock-frequency = <100000000>;
>> +};
> 
> Can we move this to 5/5 along with rest of -evm.dts changes?

Sure. Will move it to last patch in next revision.

Thanks.