linux-kernel - [PATCH 2/2] ARM: dts: sti: Introduce 4KOpen (stih418-b2264) board

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Message-Id: <20210128075825.10368-1-avolmat@me.com>
Date:   Thu, 28 Jan 2021 08:58:25 +0100
From:   Alain Volmat <avolmat@...com>
To:     Arnd Bergmann <arnd@...db.de>, Olof Johansson <olof@...om.net>,
        soc@...nel.org, Rob Herring <robh+dt@...nel.org>,
        Patrice Chotard <patrice.chotard@...com>,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     avolmat@...com
Subject: [PATCH 2/2] ARM: dts: sti: Introduce 4KOpen (stih418-b2264) board

4KOpen (B2264) is a board based on the STMicroelectronics STiH418 soc:
  - 2GB DDR
  - HDMI
  - Ethernet 1000-BaseT
  - PCIe (mini PCIe connector)
  - MicroSD slot
  - USB2 and USB3 connectors
  - Sata
  - 40 pins GPIO header

Signed-off-by: Alain Volmat <avolmat@...com>
---
 arch/arm/boot/dts/Makefile          |   3 +-
 arch/arm/boot/dts/stih418-b2264.dts | 127 ++++++++++++++++++++++++++++
 2 files changed, 129 insertions(+), 1 deletion(-)
 create mode 100644 arch/arm/boot/dts/stih418-b2264.dts

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 3d1ea0b25168..5ad1b0854b66 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -1059,7 +1059,8 @@ dtb-$(CONFIG_ARCH_STI) += \
 	stih407-b2120.dtb \
 	stih410-b2120.dtb \
 	stih410-b2260.dtb \
-	stih418-b2199.dtb
+	stih418-b2199.dtb \
+	stih418-b2264.dtb
 dtb-$(CONFIG_ARCH_STM32) += \
 	stm32f429-disco.dtb \
 	stm32f469-disco.dtb \
diff --git a/arch/arm/boot/dts/stih418-b2264.dts b/arch/arm/boot/dts/stih418-b2264.dts
new file mode 100644
index 000000000000..55529cd7c8a6
--- /dev/null
+++ b/arch/arm/boot/dts/stih418-b2264.dts
@@ -0,0 +1,127 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2021 STMicroelectronics
+ * Author: Alain Volmat <avolmat@...com>
+ */
+/dts-v1/;
+#include "stih418.dtsi"
+#include <dt-bindings/gpio/gpio.h>
+/ {
+	model = "STiH418 B2264";
+	compatible = "st,stih418-b2264", "st,stih418";
+
+	chosen {
+		bootargs = "console=ttyAS0,115200 clk_ignore_unused";
+		stdout-path = &sbc_serial0;
+	};
+
+	memory@...00000 {
+		device_type = "memory";
+		reg = <0x40000000 0xc0000000>;
+	};
+
+	cpus {
+		cpu@0 {
+			operating-points-v2 = <&cpu_opp_table>;
+			/* u-boot puts hpen in SBC dmem at 0xb8 offset */
+			cpu-release-addr = <0x94100b8>;
+		};
+		cpu@1 {
+			operating-points-v2 = <&cpu_opp_table>;
+			/* u-boot puts hpen in SBC dmem at 0xb8 offset */
+			cpu-release-addr = <0x94100b8>;
+		};
+		cpu@2 {
+			operating-points-v2 = <&cpu_opp_table>;
+			/* u-boot puts hpen in SBC dmem at 0xb8 offset */
+			cpu-release-addr = <0x94100b8>;
+		};
+		cpu@3 {
+			operating-points-v2 = <&cpu_opp_table>;
+			/* u-boot puts hpen in SBC dmem at 0xb8 offset */
+			cpu-release-addr = <0x94100b8>;
+		};
+	};
+
+	cpu_opp_table: opp_table {
+		compatible = "operating-points-v2";
+		opp-shared;
+
+		opp00 {
+			opp-hz = /bits/ 64 <500000000>;
+			opp-microvolt = <784000>;
+		};
+		opp01 {
+			opp-hz = /bits/ 64 <800000000>;
+			opp-microvolt = <784000>;
+		};
+		opp02 {
+			opp-hz = /bits/ 64 <1200000000>;
+			opp-microvolt = <784000>;
+		};
+		opp03 {
+			opp-hz = /bits/ 64 <1500000000>;
+			opp-microvolt = <784000>;
+		};
+	};
+
+	aliases {
+		ttyAS0 = &sbc_serial0;
+		ethernet0 = &ethernet0;
+	};
+};
+
+&ehci0 {
+	status = "okay";
+};
+
+&ethernet0 {
+	phy-mode = "rgmii";
+	pinctrl-0 = <&pinctrl_rgmii1 &pinctrl_rgmii1_mdio_1>;
+	st,tx-retime-src = "clkgen";
+
+	snps,reset-gpio = <&pio0 7 0>;
+	snps,reset-active-low;
+	snps,reset-delays-us = <0 10000 1000000>;
+
+	status = "okay";
+};
+
+&miphy28lp_phy {
+	phy_port0: port@...2000 {
+		st,sata-gen = <2>; /* SATA GEN3 */
+		st,osc-rdy;
+	};
+};
+
+&mmc0 {
+	status = "okay";
+};
+
+&ohci1 {
+	status = "okay";
+};
+
+&pwm1 {
+	status = "okay";
+};
+
+&rng11 {
+	status = "disabled";
+};
+
+&sata0 {
+	status = "okay";
+};
+
+&sbc_serial0 {
+	status = "okay";
+};
+
+&spifsm {
+	status = "okay";
+};
+
+&st_dwc3 {
+	status = "okay";
+};
-- 
2.17.1