From: Neil Armstrong <narmstrong@baylibre.com>
To: ulf.hansson@linaro.org, khilman@baylibre.com
Cc: Neil Armstrong <narmstrong@baylibre.com>,
linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-amlogic@lists.infradead.org,
linux-arm-kernel@lists.infradead.org,
Jerome Brunet <jbrunet@baylibre.com>
Subject: [PATCH v2 3/3] arm64: dts: meson: g12a: add SDIO controller
Date: Mon, 27 May 2019 14:43:07 +0200 [thread overview]
Message-ID: <20190527124307.32075-4-narmstrong@baylibre.com> (raw)
In-Reply-To: <20190527124307.32075-1-narmstrong@baylibre.com>
From: Jerome Brunet <jbrunet@baylibre.com>
The Amlogic G12A SDIO Controller has a bug preventing direct DDR access,
add the port A (SDIO) pinctrl and controller nodes and mark this specific
controller with the amlogic,dram-access-quirk property.
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
---
arch/arm64/boot/dts/amlogic/meson-g12a.dtsi | 37 +++++++++++++++++++++
1 file changed, 37 insertions(+)
diff --git a/arch/arm64/boot/dts/amlogic/meson-g12a.dtsi b/arch/arm64/boot/dts/amlogic/meson-g12a.dtsi
index 9f72396ba710..d1a3da9d0b2e 100644
--- a/arch/arm64/boot/dts/amlogic/meson-g12a.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-g12a.dtsi
@@ -202,6 +202,30 @@
};
};
+ sdio_pins: sdio {
+ mux {
+ groups = "sdio_d0",
+ "sdio_d1",
+ "sdio_d2",
+ "sdio_d3",
+ "sdio_cmd",
+ "sdio_clk";
+ function = "sdio";
+ bias-disable;
+ drive-strength-microamp = <4000>;
+ };
+ };
+
+ sdio_clk_gate_pins: sdio_clk_gate {
+ mux {
+ groups = "GPIOX_4";
+ function = "gpio_periphs";
+ bias-pull-down;
+ drive-strength-microamp = <4000>;
+ };
+ };
+
+
uart_a_pins: uart-a {
mux {
groups = "uart_a_tx",
@@ -566,6 +590,19 @@
};
};
+ sd_emmc_a: sd@ffe03000 {
+ compatible = "amlogic,meson-axg-mmc";
+ reg = <0x0 0xffe03000 0x0 0x800>;
+ interrupts = <GIC_SPI 189 IRQ_TYPE_EDGE_RISING>;
+ status = "disabled";
+ clocks = <&clkc CLKID_SD_EMMC_A>,
+ <&clkc CLKID_SD_EMMC_A_CLK0>,
+ <&clkc CLKID_FCLK_DIV2>;
+ clock-names = "core", "clkin0", "clkin1";
+ resets = <&reset RESET_SD_EMMC_A>;
+ amlogic,dram-access-quirk;
+ };
+
usb: usb@ffe09000 {
status = "disabled";
compatible = "amlogic,meson-g12a-usb-ctrl";
--
2.21.0
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next prev parent reply other threads:[~2019-05-27 12:44 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-27 12:43 [PATCH v2 0/3] mmc: meson-gx: add dram-access-quirk support Neil Armstrong
2019-05-27 12:43 ` [PATCH v2 1/3] dt-bindings: mmc: meson-gx: add dram-access-quirk property Neil Armstrong
2019-05-28 8:53 ` Ulf Hansson
2019-05-27 12:43 ` [PATCH v2 2/3] mmc: meson-gx: add dram-access-quirk Neil Armstrong
2019-05-28 8:53 ` Ulf Hansson
2019-05-27 12:43 ` Neil Armstrong [this message]
2019-06-03 22:10 ` [PATCH v2 3/3] arm64: dts: meson: g12a: add SDIO controller Kevin Hilman
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