From: Drew Fustini <dfustini@tenstorrent.com>
To: Drew Fustini <drew@pdp7.com>, Guo Ren <guoren@kernel.org>,
Fu Wei <wefu@redhat.com>,
Linus Walleij <linus.walleij@linaro.org>,
Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
Emil Renner Berthing <emil.renner.berthing@canonical.com>,
Thomas Bonnefille <thomas.bonnefille@bootlin.com>,
Paul Walmsley <paul.walmsley@sifive.com>,
Palmer Dabbelt <palmer@dabbelt.com>,
Albert Ou <aou@eecs.berkeley.edu>
Cc: linux-riscv@lists.infradead.org, linux-gpio@vger.kernel.org,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
Drew Fustini <dfustini@tenstorrent.com>
Subject: [PATCH v2 7/8] riscv: dts: thead: Add TH1520 pinctrl settings for UART0
Date: Sat, 14 Sep 2024 19:40:55 -0700 [thread overview]
Message-ID: <20240914-th1520-pinctrl-v2-7-3ba67dde882c@tenstorrent.com> (raw)
In-Reply-To: <20240914-th1520-pinctrl-v2-0-3ba67dde882c@tenstorrent.com>
From: Emil Renner Berthing <emil.renner.berthing@canonical.com>
Add pinctrl settings for UART0 used as the default debug console on
both the Lichee Pi 4A and BeagleV Ahead boards.
Tested-by: Thomas Bonnefille <thomas.bonnefille@bootlin.com>
Signed-off-by: Emil Renner Berthing <emil.renner.berthing@canonical.com>
Signed-off-by: Drew Fustini <dfustini@tenstorrent.com>
---
arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts | 26 ++++++++++++++++++++++
arch/riscv/boot/dts/thead/th1520-lichee-pi-4a.dts | 26 ++++++++++++++++++++++
2 files changed, 52 insertions(+)
diff --git a/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts b/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts
index c48f6fd6387b..c5356f674f85 100644
--- a/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts
+++ b/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts
@@ -82,6 +82,32 @@ &sdio0 {
status = "okay";
};
+&padctrl0_apsys {
+ uart0_pins: uart0-0 {
+ tx-pins {
+ pins = "UART0_TXD";
+ function = "uart";
+ bias-disable;
+ drive-strength = <3>;
+ input-disable;
+ input-schmitt-disable;
+ slew-rate = <0>;
+ };
+
+ rx-pins {
+ pins = "UART0_RXD";
+ function = "uart";
+ bias-disable;
+ drive-strength = <1>;
+ input-enable;
+ input-schmitt-enable;
+ slew-rate = <0>;
+ };
+ };
+};
+
&uart0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&uart0_pins>;
status = "okay";
};
diff --git a/arch/riscv/boot/dts/thead/th1520-lichee-pi-4a.dts b/arch/riscv/boot/dts/thead/th1520-lichee-pi-4a.dts
index 0ae2c20d5641..932838c55f90 100644
--- a/arch/riscv/boot/dts/thead/th1520-lichee-pi-4a.dts
+++ b/arch/riscv/boot/dts/thead/th1520-lichee-pi-4a.dts
@@ -29,6 +29,32 @@ chosen {
};
};
+&padctrl0_apsys {
+ uart0_pins: uart0-0 {
+ tx-pins {
+ pins = "UART0_TXD";
+ function = "uart";
+ bias-disable;
+ drive-strength = <3>;
+ input-disable;
+ input-schmitt-disable;
+ slew-rate = <0>;
+ };
+
+ rx-pins {
+ pins = "UART0_RXD";
+ function = "uart";
+ bias-disable;
+ drive-strength = <1>;
+ input-enable;
+ input-schmitt-enable;
+ slew-rate = <0>;
+ };
+ };
+};
+
&uart0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&uart0_pins>;
status = "okay";
};
--
2.34.1
next prev parent reply other threads:[~2024-09-15 2:44 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-09-15 2:40 [PATCH v2 0/8] pinctrl: Add T-Head TH1520 SoC pin controllers Drew Fustini
2024-09-15 2:40 ` [PATCH v2 1/8] dt-bindings: pinctrl: Add thead,th1520-pinctrl bindings Drew Fustini
2024-09-18 16:14 ` Rob Herring (Arm)
2024-09-15 2:40 ` [PATCH v2 2/8] pinctrl: Add driver for the T-Head TH1520 SoC Drew Fustini
2024-09-15 2:40 ` [PATCH v2 3/8] riscv: dts: thead: Add TH1520 pin control nodes Drew Fustini
2024-09-15 2:40 ` [PATCH v2 4/8] riscv: dts: thead: Add TH1520 GPIO ranges Drew Fustini
2024-09-15 2:40 ` [PATCH v2 5/8] riscv: dts: thead: Adjust TH1520 GPIO labels Drew Fustini
2024-09-15 2:40 ` [PATCH v2 6/8] riscv: dts: thead: Add Lichee Pi 4M GPIO line names Drew Fustini
2024-09-15 2:40 ` Drew Fustini [this message]
2024-09-15 2:40 ` [PATCH v2 8/8] riscv: dtb: thead: Add BeagleV Ahead LEDs Drew Fustini
-- strict thread matches above, loose matches on Subject: below --
2024-01-03 13:28 [PATCH v2 0/8] Add T-Head TH1520 SoC pin control Emil Renner Berthing
2024-01-03 13:28 ` [PATCH v2 7/8] riscv: dts: thead: Add TH1520 pinctrl settings for UART0 Emil Renner Berthing
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