linux-kernel - [PATCH] MIPS: ralink: Add rt3352 SPI

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Message-ID: <ME3P282MB1969E8CD1E2058D8CA2AC8FCC7099@ME3P282MB1969.AUSP282.PROD.OUTLOOK.COM>
Date:   Tue, 22 Jun 2021 11:47:15 +0800
From:   Liu Yu <f78fk@...e.com>
To:     c951@...look.com
Cc:     Mathias Kresin <dev@...sin.me>, Paul Burton <paul.burton@...s.com>,
        John Crispin <john@...ozen.org>,
        Ralf Baechle <ralf@...ux-mips.org>,
        James Hogan <jhogan@...nel.org>, linux-mips@...ux-mips.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] MIPS: ralink: Add rt3352 SPI_CS1 pinmux

From: Mathias Kresin <dev@...sin.me>

The rt3352 has a pin that can be used as second spi chip select,
watchdog reset or GPIO. The pinmux setup was missing the definition of
said pin.

The pin is configured via the same bit on rt5350, so reuse the existing
macro.

Signed-off-by: Mathias Kresin <dev@...sin.me>
Signed-off-by: Paul Burton <paul.burton@...s.com>
Patchwork: https://patchwork.linux-mips.org/patch/20301/
Cc: John Crispin <john@...ozen.org>
Cc: Ralf Baechle <ralf@...ux-mips.org>
Cc: James Hogan <jhogan@...nel.org>
Cc: linux-mips@...ux-mips.org
Cc: linux-kernel@...r.kernel.org
---
 arch/mips/ralink/rt305x.c | 5 +++++
 1 file changed, 5 insertions(+)

--- a/arch/mips/ralink/rt305x.c
+++ b/arch/mips/ralink/rt305x.c
@@ -49,6 +49,10 @@ static struct rt2880_pmx_func rgmii_func
 static struct rt2880_pmx_func rt3352_lna_func[] = { FUNC("lna", 0, 36, 2) };
 static struct rt2880_pmx_func rt3352_pa_func[] = { FUNC("pa", 0, 38, 2) };
 static struct rt2880_pmx_func rt3352_led_func[] = { FUNC("led", 0, 40, 5) };
+static struct rt2880_pmx_func rt3352_cs1_func[] = {
+	FUNC("spi_cs1", 0, 45, 1),
+	FUNC("wdg_cs1", 1, 45, 1),
+};
 
 static struct rt2880_pmx_group rt3050_pinmux_data[] = {
 	GRP("i2c", i2c_func, 1, RT305X_GPIO_MODE_I2C),
@@ -75,6 +79,7 @@ static struct rt2880_pmx_group rt3352_pi
 	GRP("lna", rt3352_lna_func, 1, RT3352_GPIO_MODE_LNA),
 	GRP("pa", rt3352_pa_func, 1, RT3352_GPIO_MODE_PA),
 	GRP("led", rt3352_led_func, 1, RT5350_GPIO_MODE_PHY_LED),
+	GRP("spi_cs1", rt3352_cs1_func, 2, RT5350_GPIO_MODE_SPI_CS1),
 	{ 0 }
 };