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From: Bjorn Helgaas <helgaas@kernel.org>
To: Niklas Cassel <cassel@kernel.org>, Shawn Lin <shawn.lin@rock-chips.com>
Cc: "Manivannan Sadhasivam" <mani@kernel.org>,
	"Lorenzo Pieralisi" <lpieralisi@kernel.org>,
	"Krzysztof Wilczyński" <kwilczynski@kernel.org>,
	"Rob Herring" <robh@kernel.org>,
	"Heiko Stuebner" <heiko@sntech.de>,
	"Kever Yang" <kever.yang@rock-chips.com>,
	"Simon Xue" <xxm@rock-chips.com>,
	"Damien Le Moal" <dlemoal@kernel.org>,
	"Dragan Simic" <dsimic@manjaro.org>,
	"FUKAUMI Naoki" <naoki@radxa.com>,
	"Diederik de Haas" <diederik@cknow-tech.com>,
	"Richard Zhu" <hongxing.zhu@nxp.com>,
	"Frank Li" <Frank.li@nxp.com>,
	"Lucas Stach" <l.stach@pengutronix.de>,
	"Shawn Guo" <shawnguo@kernel.org>,
	"Sascha Hauer" <s.hauer@pengutronix.de>,
	"Fabio Estevam" <festevam@gmail.com>,
	"Conor Dooley" <conor@kernel.org>,
	"Krzysztof Kozlowski" <krzk@kernel.org>,
	"Thierry Reding" <thierry.reding@gmail.com>,
	"Jonathan Hunter" <jonathanh@nvidia.com>,
	"Hans Zhang" <hans.zhang@cixtech.com>,
	linux-tegra@vger.kernel.org, linux-pci@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-rockchip@lists.infradead.org, kernel@pengutronix.de,
	"Bjorn Helgaas" <bhelgaas@google.com>
Subject: [PATCH 4/4] arm64: dts: rockchip: Add PCIe clkreq stuff for RK3588 EVB1
Date: Tue, 11 Nov 2025 16:16:11 -0600	[thread overview]
Message-ID: <20251111221621.2208606-5-helgaas@kernel.org> (raw)
In-Reply-To: <20251111221621.2208606-1-helgaas@kernel.org>

From: Shawn Lin <shawn.lin@rock-chips.com>

Add supports-clkreq and pinmux for PCIe ASPM L1 substates.

Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Hans Zhang <hans.zhang@cixtech.com>
Acked-by: Manivannan Sadhasivam <mani@kernel.org>
Link: https://patch.msgid.link/1761187883-150120-2-git-send-email-shawn.lin@rock-chips.com
---
 arch/arm64/boot/dts/rockchip/rk3588-evb1-v10.dts | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/boot/dts/rockchip/rk3588-evb1-v10.dts b/arch/arm64/boot/dts/rockchip/rk3588-evb1-v10.dts
index ff1ba5ed56ef..c9d284cb738b 100644
--- a/arch/arm64/boot/dts/rockchip/rk3588-evb1-v10.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3588-evb1-v10.dts
@@ -522,6 +522,7 @@ &pcie2x1l0 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pcie2_0_rst>, <&pcie2_0_wake>, <&pcie2_0_clkreq>, <&wifi_host_wake_irq>;
 	reset-gpios = <&gpio4 RK_PA5 GPIO_ACTIVE_HIGH>;
+	supports-clkreq;
 	vpcie3v3-supply = <&vcc3v3_wlan>;
 	status = "okay";
 
@@ -545,7 +546,8 @@ wifi: wifi@0,0 {
 &pcie2x1l1 {
 	reset-gpios = <&gpio4 RK_PA2 GPIO_ACTIVE_HIGH>;
 	pinctrl-names = "default";
-	pinctrl-0 = <&pcie2_1_rst>, <&rtl8111_isolate>;
+	pinctrl-0 = <&pcie2_1_rst>, <&rtl8111_isolate>, <&pcie30x1m1_1_clkreqn>;
+	supports-clkreq;
 	status = "okay";
 };
 
@@ -555,7 +557,8 @@ &pcie30phy {
 
 &pcie3x4 {
 	pinctrl-names = "default";
-	pinctrl-0 = <&pcie3_reset>;
+	pinctrl-0 = <&pcie3_reset>, <&pcie30x4m1_clkreqn>;
+	supports-clkreq;
 	reset-gpios = <&gpio4 RK_PB6 GPIO_ACTIVE_HIGH>;
 	vpcie3v3-supply = <&vcc3v3_pcie30>;
 	status = "okay";
-- 
2.43.0


  parent reply	other threads:[~2025-11-11 22:16 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-11-11 22:16 [PATCH 0/4] PCI: dwc: Advertise L1 PM Substates only if driver requests it Bjorn Helgaas
2025-11-11 22:16 ` [PATCH 1/4] " Bjorn Helgaas
2025-11-11 22:48   ` Frank Li
2025-11-11 23:07     ` Bjorn Helgaas
2025-11-12  1:03   ` Shawn Lin
2025-11-18 19:48     ` Bjorn Helgaas
2025-11-12  8:22   ` Niklas Cassel
2025-11-12 17:51     ` Manivannan Sadhasivam
2025-11-18 20:22       ` Bjorn Helgaas
2025-11-24 21:17         ` Bjorn Helgaas
2025-11-18 20:36     ` Bjorn Helgaas
2025-11-18 20:45       ` Niklas Cassel
2025-11-11 22:16 ` [PATCH 2/4] PCI: tegra194: Remove unnecessary L1SS disable code Bjorn Helgaas
2025-11-12  8:29   ` Niklas Cassel
2025-11-18 18:59     ` Bjorn Helgaas
2025-11-18 20:06       ` Niklas Cassel
2025-11-18 20:31         ` Bjorn Helgaas
2025-11-11 22:16 ` [PATCH 3/4] PCI: dw-rockchip: Configure L1sub support Bjorn Helgaas
2025-11-12  2:49   ` Hans Zhang
2025-11-12  8:30   ` Diederik de Haas
2025-11-12  8:36   ` Niklas Cassel
2025-11-11 22:16 ` Bjorn Helgaas [this message]
  -- strict thread matches above, loose matches on Subject: below --
2025-10-21  7:48 [PATCH 0/4] Add L1 substates support for Rockchip platforms Shawn Lin
2025-10-21  7:48 ` [PATCH 4/4] arm64: dts: rockchip: Add PCIe clkreq stuff for RK3588 EVB1 Shawn Lin

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