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From afd589352be71175ac13a3c7139eae7724a37460 Mon Sep 17 00:00:00 2001
Message-Id: <afd589352be71175ac13a3c7139eae7724a37460.1531317141.git.marcel.ziswiler@toradex.com>
In-Reply-To: <6654e1bd342708a683daf47e7558455f709a3e7e.1531317141.git.marcel.ziswiler@toradex.com>
References: <6654e1bd342708a683daf47e7558455f709a3e7e.1531317141.git.marcel.ziswiler@toradex.com>
From: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Date: Wed, 11 Jul 2018 10:58:19 +0200
Subject: [PATCH 31/33] apalis-tk1: force fixed ids for sdmmc controllers
The following, together with kernel patches, forces a fixed assignment
between device id and sdmmc controller.
I.e. the eMMC on SDMMC4 will be /dev/mmcblk0.
Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
---
arch/arm/boot/dts/tegra124-apalis-eval.dts | 16 ++++++++++++++--
arch/arm/boot/dts/tegra124-apalis-v1.2-eval.dts | 16 ++++++++++++++--
2 files changed, 28 insertions(+), 4 deletions(-)
diff --git a/arch/arm/boot/dts/tegra124-apalis-eval.dts b/arch/arm/boot/dts/tegra124-apalis-eval.dts
index ecffcd115fa7..7e2b9cf84741 100644
--- a/arch/arm/boot/dts/tegra124-apalis-eval.dts
+++ b/arch/arm/boot/dts/tegra124-apalis-eval.dts
@@ -49,6 +49,18 @@
compatible = "toradex,apalis-tk1-eval", "toradex,apalis-tk1",
"nvidia,tegra124";
+ aliases {
+ /*
+ * The following, together with kernel patches, forces a fixed
+ * assignment between device id and SDMMC controllers.
+ *
+ * I.e. the eMMC on SDMMC4 will be /dev/mmcblk0.
+ */
+ mmc0 = "/sdhci@700b0600"; /* eMMC */
+ mmc1 = &mmc1; /* MMC1 slot */
+ mmc2 = &sd1; /* SD1 slot */
+ };
+
aliases {
rtc0 = "/i2c@7000c000/rtc@68";
rtc1 = "/i2c@7000d000/pmic@40";
@@ -176,7 +188,7 @@
};
/* Apalis MMC1 */
- sdhci@700b0000 {
+ mmc1: sdhci@700b0000 {
status = "okay";
/* MMC1_CD# */
cd-gpios = <&gpio TEGRA_GPIO(V, 3) GPIO_ACTIVE_LOW>;
@@ -185,7 +197,7 @@
};
/* Apalis SD1 */
- sdhci@700b0400 {
+ sd1: sdhci@700b0400 {
status = "okay";
/* SD1_CD# */
cd-gpios = <&gpio TEGRA_GPIO(V, 2) GPIO_ACTIVE_LOW>;
diff --git a/arch/arm/boot/dts/tegra124-apalis-v1.2-eval.dts b/arch/arm/boot/dts/tegra124-apalis-v1.2-eval.dts
index 8a8d5fa0ecd1..046a415d5db8 100644
--- a/arch/arm/boot/dts/tegra124-apalis-v1.2-eval.dts
+++ b/arch/arm/boot/dts/tegra124-apalis-v1.2-eval.dts
@@ -13,6 +13,18 @@
compatible = "toradex,apalis-tk1-v1.2-eval", "toradex,apalis-tk1-eval",
"toradex,apalis-tk1", "nvidia,tegra124";
+ aliases {
+ /*
+ * The following, together with kernel patches, forces a fixed
+ * assignment between device id and SDMMC controllers.
+ *
+ * I.e. the eMMC on SDMMC4 will be /dev/mmcblk0.
+ */
+ mmc0 = "/sdhci@700b0600"; /* eMMC */
+ mmc1 = &mmc1; /* MMC1 slot */
+ mmc2 = &sd1; /* SD1 slot */
+ };
+
aliases {
rtc0 = "/i2c@7000c000/rtc@68";
rtc1 = "/i2c@7000d000/pmic@40";
@@ -140,7 +152,7 @@
};
/* Apalis MMC1 */
- sdhci@700b0000 {
+ mmc1: sdhci@700b0000 {
status = "okay";
/* MMC1_CD# */
cd-gpios = <&gpio TEGRA_GPIO(V, 3) GPIO_ACTIVE_LOW>;
@@ -149,7 +161,7 @@
};
/* Apalis SD1 */
- sdhci@700b0400 {
+ sd1: sdhci@700b0400 {
status = "okay";
/* SD1_CD# */
cd-gpios = <&gpio TEGRA_GPIO(V, 2) GPIO_ACTIVE_LOW>;
--
2.14.4
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