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Date: Wed, 25 Oct 2023 18:39:53 +0800
From: Keith Zhao <keith.zhao@...rfivetech.com>
To: <dri-devel@...ts.freedesktop.org>, <devicetree@...r.kernel.org>,
<linux-kernel@...r.kernel.org>, <linux-riscv@...ts.infradead.org>,
<linux-media@...r.kernel.org>, <linaro-mm-sig@...ts.linaro.org>
CC: David Airlie <airlied@...il.com>, Daniel Vetter <daniel@...ll.ch>,
"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>,
Paul Walmsley <paul.walmsley@...ive.com>,
Palmer Dabbelt <palmer@...belt.com>,
Albert Ou <aou@...s.berkeley.edu>,
Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
Maxime Ripard <mripard@...nel.org>,
Thomas Zimmermann <tzimmermann@...e.de>,
Philipp Zabel <p.zabel@...gutronix.de>,
Sumit Semwal <sumit.semwal@...aro.org>,
<christian.koenig@....com>, Bjorn Andersson <andersson@...nel.org>,
"Heiko Stuebner" <heiko@...ech.de>,
Shawn Guo <shawnguo@...nel.org>, Jagan Teki <jagan@...eble.ai>,
Chris Morgan <macromorgan@...mail.com>,
Keith Zhao <keith.zhao@...rfivetech.com>,
Jack Zhu <jack.zhu@...rfivetech.com>,
Shengyang Chen <shengyang.chen@...rfivetech.com>,
Changhuang Liang <changhuang.liang@...rfivetech.com>
Subject: [PATCH v2 2/6] riscv: dts: starfive: jh7110: add dc controller and hdmi node
Add the dc controller and hdmi node for the Starfive JH7110 SoC.
Signed-off-by: Keith Zhao <keith.zhao@...rfivetech.com>
---
.../jh7110-starfive-visionfive-2.dtsi | 91 +++++++++++++++++++
arch/riscv/boot/dts/starfive/jh7110.dtsi | 41 +++++++++
2 files changed, 132 insertions(+)
diff --git a/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi b/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi
index de0f40a8b..97909b6d2 100644
--- a/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi
+++ b/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi
@@ -31,6 +31,25 @@ memory@...00000 {
reg = <0x0 0x40000000 0x1 0x0>;
};
+ reserved-memory {
+ #address-cells = <2>;
+ #size-cells = <2>;
+ ranges;
+
+ /* vout applies for space from this CMA
+ * Without this CMA reservation,
+ * vout may not work properly.
+ */
+ linux,cma {
+ compatible = "shared-dma-pool";
+ reusable;
+ size = <0x0 0x20000000>;
+ alignment = <0x0 0x1000>;
+ alloc-ranges = <0x0 0x70000000 0x0 0x20000000>;
+ linux,cma-default;
+ };
+ };
+
gpio-restart {
compatible = "gpio-restart";
gpios = <&sysgpio 35 GPIO_ACTIVE_HIGH>;
@@ -231,6 +250,41 @@ GPOEN_DISABLE,
slew-rate = <0>;
};
};
+
+ hdmi_pins: hdmi-0 {
+ hdmi-scl-pins {
+ pinmux = <GPIOMUX(0, GPOUT_SYS_HDMI_DDC_SCL,
+ GPOEN_SYS_HDMI_DDC_SCL,
+ GPI_SYS_HDMI_DDC_SCL)>;
+ input-enable;
+ bias-pull-up;
+ };
+
+ hdmi-sda-pins {
+ pinmux = <GPIOMUX(1, GPOUT_SYS_HDMI_DDC_SDA,
+ GPOEN_SYS_HDMI_DDC_SDA,
+ GPI_SYS_HDMI_DDC_SDA)>;
+ input-enable;
+ bias-pull-up;
+ };
+
+ hdmi-cec-pins {
+ pinmux = <GPIOMUX(14, GPOUT_SYS_HDMI_CEC_SDA,
+ GPOEN_SYS_HDMI_CEC_SDA,
+ GPI_SYS_HDMI_CEC_SDA)>;
+ input-enable;
+ bias-pull-up;
+ };
+
+ hdmi-hpd-pins {
+ pinmux = <GPIOMUX(15, GPOUT_HIGH,
+ GPOEN_ENABLE,
+ GPI_SYS_HDMI_HPD)>;
+ input-enable;
+ bias-disable; /* external pull-up */
+ };
+ };
+
};
&uart0 {
@@ -254,3 +308,40 @@ &U74_3 {
&U74_4 {
cpu-supply = <&vdd_cpu>;
};
+
+&voutcrg {
+ status = "okay";
+};
+
+&display {
+ status = "okay";
+};
+
+&hdmi {
+ status = "okay";
+ pinctrl-names = "default";
+ pinctrl-0 = <&hdmi_pins>;
+
+ hdmi_in: port {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ hdmi_in_dc: endpoint@0 {
+ reg = <0>;
+ remote-endpoint = <&dc_out_hdmi>;
+ };
+ };
+};
+
+&dc8200 {
+ status = "okay";
+
+ dc_out: port {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ dc_out_hdmi: endpoint@0 {
+ reg = <0>;
+ remote-endpoint = <&hdmi_in_dc>;
+ };
+
+ };
+};
diff --git a/arch/riscv/boot/dts/starfive/jh7110.dtsi b/arch/riscv/boot/dts/starfive/jh7110.dtsi
index 0005fa163..1670452fb 100644
--- a/arch/riscv/boot/dts/starfive/jh7110.dtsi
+++ b/arch/riscv/boot/dts/starfive/jh7110.dtsi
@@ -282,6 +282,11 @@ tdm_ext: tdm-ext-clock {
#clock-cells = <0>;
};
+ display: display-subsystem {
+ compatible = "starfive,display-subsystem";
+ ports = <&dc_out>;
+ };
+
soc {
compatible = "simple-bus";
interrupt-parent = <&plic>;
@@ -613,5 +618,41 @@ voutcrg: clock-controller@...c0000 {
#reset-cells = <1>;
power-domains = <&pwrc JH7110_PD_VOUT>;
};
+
+ dc8200: lcd-controller@...00000 {
+ compatible = "starfive,jh7110-dc8200";
+ reg = <0x0 0x29400000 0x0 0x100>,
+ <0x0 0x29400800 0x0 0x2000>;
+ interrupts = <95>;
+ clocks = <&syscrg JH7110_SYSCLK_NOC_BUS_DISP_AXI>,
+ <&voutcrg JH7110_VOUTCLK_DC8200_PIX0>,
+ <&voutcrg JH7110_VOUTCLK_DC8200_PIX1>,
+ <&voutcrg JH7110_VOUTCLK_DC8200_CORE>,
+ <&voutcrg JH7110_VOUTCLK_DC8200_AXI>,
+ <&voutcrg JH7110_VOUTCLK_DC8200_AHB>,
+ <&hdmitx0_pixelclk>,
+ <&voutcrg JH7110_VOUTCLK_DC8200_PIX>;
+ clock-names = "noc_bus", "channel0", "channel1",
+ "dc_core", "axi_core", "ahb",
+ "hdmi_tx", "dc_parent";
+ resets = <&voutcrg JH7110_VOUTRST_DC8200_AXI>,
+ <&voutcrg JH7110_VOUTRST_DC8200_AHB>,
+ <&voutcrg JH7110_VOUTRST_DC8200_CORE>;
+ reset-names = "axi","ahb", "core";
+ };
+
+ hdmi: hdmi@...90000 {
+ compatible = "starfive,jh7110-inno-hdmi";
+ reg = <0x0 0x29590000 0x0 0x4000>;
+ interrupts = <99>;
+
+ clocks = <&voutcrg JH7110_VOUTCLK_HDMI_TX_SYS>,
+ <&voutcrg JH7110_VOUTCLK_HDMI_TX_MCLK>,
+ <&voutcrg JH7110_VOUTCLK_HDMI_TX_BCLK>,
+ <&hdmitx0_pixelclk>;
+ clock-names = "sysclk", "mclk", "bclk", "pclk";
+ resets = <&voutcrg JH7110_VOUTRST_HDMI_TX_HDMI>;
+ #sound-dai-cells = <0>;
+ };
};
};
--
2.34.1
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