linux-kernel - [PATCH 14/14] ARM: dts: stm32: introduce basic boot include on stm32mp15x board

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Date:   Fri, 22 Jan 2021 11:51:01 +0100
From:   <gabriel.fernandez@...s.st.com>
To:     Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre Torgue <alexandre.torgue@...com>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Etienne Carriere <etienne.carriere@...com>,
        Gabriel Fernandez <gabriel.fernandez@...s.st.com>
CC:     <linux-clk@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-stm32@...md-mailman.stormreply.com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>
Subject: [PATCH 14/14] ARM: dts: stm32: introduce basic boot include on stm32mp15x board

From: Gabriel Fernandez <gabriel.fernandez@...s.st.com>

Include this .dtsi file to be backward compatible with old basic bootchain.

For example add:
#include "stm32mp15-no-scmi.dtsi" in a stm32mp157c*.dts file.

Signed-off-by: Gabriel Fernandez <gabriel.fernandez@...s.st.com>
---
 arch/arm/boot/dts/stm32mp15-no-scmi.dtsi | 158 +++++++++++++++++++++++
 1 file changed, 158 insertions(+)
 create mode 100644 arch/arm/boot/dts/stm32mp15-no-scmi.dtsi

diff --git a/arch/arm/boot/dts/stm32mp15-no-scmi.dtsi b/arch/arm/boot/dts/stm32mp15-no-scmi.dtsi
new file mode 100644
index 000000000000..4939f96da739
--- /dev/null
+++ b/arch/arm/boot/dts/stm32mp15-no-scmi.dtsi
@@ -0,0 +1,158 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
+/*
+ * Copyright (C) STMicroelectronics 2020 - All Rights Reserved
+ * Author: Gabriel Fernandez <gabriel.fernandez@...com> for STMicroelectronics.
+ */
+
+/ {
+
+	clocks {
+		clk_hse: clk-hse {
+			#clock-cells = <0>;
+			compatible = "fixed-clock";
+			clock-frequency = <24000000>;
+		};
+
+		clk_hsi: clk-hsi {
+			#clock-cells = <0>;
+			compatible = "fixed-clock";
+			clock-frequency = <64000000>;
+		};
+
+		clk_lse: clk-lse {
+			#clock-cells = <0>;
+			compatible = "fixed-clock";
+			clock-frequency = <32768>;
+		};
+
+		clk_lsi: clk-lsi {
+			#clock-cells = <0>;
+			compatible = "fixed-clock";
+			clock-frequency = <32000>;
+		};
+
+		clk_csi: clk-csi {
+			#clock-cells = <0>;
+			compatible = "fixed-clock";
+			clock-frequency = <4000000>;
+		};
+	};
+
+	cpus {
+		cpu0: cpu@0 {
+			clocks = <&rcc CK_MPU>;
+		};
+
+		cpu1: cpu@1 {
+			clocks = <&rcc CK_MPU>;
+		};
+	};
+
+	reboot {
+		compatible = "syscon-reboot";
+		regmap = <&rcc>;
+		offset = <0x404>;
+		mask = <0x1>;
+	};
+
+	soc {
+		m_can1: can@...0e000 {
+			clocks = <&rcc CK_HSE>, <&rcc FDCAN_K>;
+		};
+
+		m_can2: can@...0f000 {
+			clocks = <&rcc CK_HSE>, <&rcc FDCAN_K>;
+		};
+
+		cryp1: cryp@...01000 {
+			clocks = <&rcc CRYP1>;
+			resets = <&rcc CRYP1_R>;
+		};
+
+		dsi: dsi@...00000 {
+			clocks = <&rcc DSI_K>, <&clk_hse>, <&rcc DSI_PX>;
+		};
+	};
+
+	ahb {
+		m4_rproc: m4@...00000 {
+			resets = <&rcc MCU_R>, <&rcc MCU_HOLD_BOOT_R>;
+
+			m4_system_resources {
+				m4_cec: cec@...16000 {
+					clocks = <&rcc CEC_K>, <&rcc CK_LSE>;
+				};
+
+				m4_m_can1: can@...0e000 {
+					clocks = <&rcc CK_HSE>, <&rcc FDCAN_K>;
+				};
+
+				m4_m_can2: can@...0f000 {
+					clocks = <&rcc CK_HSE>, <&rcc FDCAN_K>;
+				};
+			};
+		};
+	};
+
+	firmware {
+		/delete-node/ scmi0;
+		/delete-node/ scmi1;
+	};
+	/delete-node/ sram@...ff000;
+};
+
+&cec {
+	clocks = <&rcc CEC_K>, <&clk_lse>;
+};
+
+&gpioz {
+	clocks = <&rcc GPIOZ>;
+};
+
+&hash1 {
+	clocks = <&rcc HASH1>;
+	resets = <&rcc HASH1_R>;
+};
+
+&i2c4 {
+	clocks = <&rcc I2C4_K>;
+	resets = <&rcc I2C4_R>;
+};
+
+&i2c6 {
+	clocks = <&rcc I2C6_K>;
+	resets = <&rcc I2C6_R>;
+};
+
+&iwdg2 {
+	clocks = <&rcc IWDG2>, <&rcc CK_LSI>;
+};
+
+&mdma1 {
+	clocks = <&rcc MDMA>;
+	resets = <&rcc MDMA_R>;
+};
+
+&rcc {
+	compatible = "st,stm32mp1-rcc", "syscon";
+	clocks = <&clk_hse>, <&clk_hsi>, <&clk_csi>, <&clk_lse>, <&clk_lsi>;
+};
+
+&rng1 {
+	clocks = <&rcc RNG1_K>;
+	resets = <&rcc RNG1_R>;
+};
+
+&rtc {
+	clocks = <&rcc RTCAPB>, <&rcc RTC>;
+};
+
+&spi6 {
+	clocks = <&rcc SPI6_K>;
+	resets = <&rcc SPI6_R>;
+};
+
+&usart1 {
+	clocks = <&rcc USART1_K>;
+	resets = <&rcc USART1_R>;
+};
-- 
2.17.1