linux-kernel - [PATCH v3 2/3] tty: serial: meson: Add a new compatible string for the G12A SoC

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Message-Id: <20230307222651.2106615-3-martin.blumenstingl@googlemail.com>
Date:   Tue,  7 Mar 2023 23:26:50 +0100
From:   Martin Blumenstingl <martin.blumenstingl@...glemail.com>
To:     linux-amlogic@...ts.infradead.org, devicetree@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        jirislaby@...nel.org, neil.armstrong@...aro.org,
        krzysztof.kozlowski+dt@...aro.org, robh+dt@...nel.org,
        gregkh@...uxfoundation.org,
        Christian Hewitt <christianshewitt@...il.com>,
        Martin Blumenstingl <martin.blumenstingl@...glemail.com>
Subject: [PATCH v3 2/3] tty: serial: meson: Add a new compatible string for the G12A SoC

Amlogic Meson G12A (and later) SoCs also have the "divide XTAL by 2" bit
as the S4 UART controllers. Add a new compatible string for these SoCs
and enable the has_xtal_div2 flag for them.

Tested-by: Christian Hewitt <christianshewitt@...il.com>
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@...glemail.com>
---
Changes from v1 -> v2:
- none

Changes from v2 -> v3:
- none


 drivers/tty/serial/meson_uart.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/tty/serial/meson_uart.c b/drivers/tty/serial/meson_uart.c
index 74110017988a..2501db5a7aaf 100644
--- a/drivers/tty/serial/meson_uart.c
+++ b/drivers/tty/serial/meson_uart.c
@@ -779,7 +779,7 @@ static int meson_uart_remove(struct platform_device *pdev)
 	return 0;
 }
 
-static struct meson_uart_data s4_uart_data = {
+static struct meson_uart_data meson_g12a_uart_data = {
 	.has_xtal_div2 = true,
 };
 
@@ -788,9 +788,13 @@ static const struct of_device_id meson_uart_dt_match[] = {
 	{ .compatible = "amlogic,meson8-uart" },
 	{ .compatible = "amlogic,meson8b-uart" },
 	{ .compatible = "amlogic,meson-gx-uart" },
+	{
+		.compatible = "amlogic,meson-g12a-uart",
+		.data = (void *)&meson_g12a_uart_data,
+	},
 	{
 		.compatible = "amlogic,meson-s4-uart",
-		.data = (void *)&s4_uart_data,
+		.data = (void *)&meson_g12a_uart_data,
 	},
 	{ /* sentinel */ },
 };
-- 
2.39.2