linux-kernel - [PATCH v3 4/9] riscv: dts: starfive: jh7100: Add sysmain and gmac DT nodes

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Message-ID: <20231215204050.2296404-5-cristian.ciocaltea@collabora.com>
Date: Fri, 15 Dec 2023 22:40:43 +0200
From: Cristian Ciocaltea <cristian.ciocaltea@...labora.com>
To: "David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>,
	Rob Herring <robh+dt@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Emil Renner Berthing <kernel@...il.dk>,
	Samin Guo <samin.guo@...rfivetech.com>,
	Paul Walmsley <paul.walmsley@...ive.com>,
	Palmer Dabbelt <palmer@...belt.com>,
	Albert Ou <aou@...s.berkeley.edu>,
	Hal Feng <hal.feng@...rfivetech.com>,
	Michael Turquette <mturquette@...libre.com>,
	Stephen Boyd <sboyd@...nel.org>,
	Alexandre Torgue <alexandre.torgue@...s.st.com>,
	Jose Abreu <joabreu@...opsys.com>,
	Maxime Coquelin <mcoquelin.stm32@...il.com>,
	Richard Cochran <richardcochran@...il.com>,
	Giuseppe Cavallaro <peppe.cavallaro@...com>
Cc: netdev@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-riscv@...ts.infradead.org,
	linux-clk@...r.kernel.org,
	linux-stm32@...md-mailman.stormreply.com,
	linux-arm-kernel@...ts.infradead.org,
	kernel@...labora.com,
	Emil Renner Berthing <emil.renner.berthing@...onical.com>
Subject: [PATCH v3 4/9] riscv: dts: starfive: jh7100: Add sysmain and gmac DT nodes

Provide the sysmain and gmac DT nodes supporting the DWMAC found on the
StarFive JH7100 SoC.

Co-developed-by: Emil Renner Berthing <emil.renner.berthing@...onical.com>
Signed-off-by: Emil Renner Berthing <emil.renner.berthing@...onical.com>
Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@...labora.com>
---
 arch/riscv/boot/dts/starfive/jh7100.dtsi | 37 ++++++++++++++++++++++++
 1 file changed, 37 insertions(+)

diff --git a/arch/riscv/boot/dts/starfive/jh7100.dtsi b/arch/riscv/boot/dts/starfive/jh7100.dtsi
index c216aaecac53..985383745e77 100644
--- a/arch/riscv/boot/dts/starfive/jh7100.dtsi
+++ b/arch/riscv/boot/dts/starfive/jh7100.dtsi
@@ -204,6 +204,38 @@ sdio1: mmc@...10000 {
 			status = "disabled";
 		};
 
+		gmac: ethernet@...20000 {
+			compatible = "starfive,jh7100-dwmac", "snps,dwmac";
+			reg = <0x0 0x10020000 0x0 0x10000>;
+			clocks = <&clkgen JH7100_CLK_GMAC_ROOT_DIV>,
+				 <&clkgen JH7100_CLK_GMAC_AHB>,
+				 <&clkgen JH7100_CLK_GMAC_PTP_REF>,
+				 <&clkgen JH7100_CLK_GMAC_TX_INV>,
+				 <&clkgen JH7100_CLK_GMAC_GTX>;
+			clock-names = "stmmaceth", "pclk", "ptp_ref", "tx", "gtx";
+			resets = <&rstgen JH7100_RSTN_GMAC_AHB>;
+			reset-names = "ahb";
+			interrupts = <6>, <7>;
+			interrupt-names = "macirq", "eth_wake_irq";
+			max-frame-size = <9000>;
+			snps,multicast-filter-bins = <32>;
+			snps,perfect-filter-entries = <128>;
+			starfive,syscon = <&sysmain 0x70 0>;
+			rx-fifo-depth = <32768>;
+			tx-fifo-depth = <16384>;
+			snps,axi-config = <&stmmac_axi_setup>;
+			snps,fixed-burst;
+			snps,force_thresh_dma_mode;
+			snps,no-pbl-x8;
+			status = "disabled";
+
+			stmmac_axi_setup: stmmac-axi-config {
+				snps,wr_osr_lmt = <16>;
+				snps,rd_osr_lmt = <16>;
+				snps,blen = <256 128 64 32 0 0 0>;
+			};
+		};
+
 		clkgen: clock-controller@...00000 {
 			compatible = "starfive,jh7100-clkgen";
 			reg = <0x0 0x11800000 0x0 0x10000>;
@@ -218,6 +250,11 @@ rstgen: reset-controller@...40000 {
 			#reset-cells = <1>;
 		};
 
+		sysmain: syscon@...50000 {
+			compatible = "starfive,jh7100-sysmain", "syscon";
+			reg = <0x0 0x11850000 0x0 0x10000>;
+		};
+
 		i2c0: i2c@...b0000 {
 			compatible = "snps,designware-i2c";
 			reg = <0x0 0x118b0000 0x0 0x10000>;
-- 
2.43.0