diff mbox

[U-Boot,3/9] ARM: tegra: add BPMP and dependencies to Tegra186 DT

Message ID 20160727212457.20038-3-swarren@wwwdotorg.org
State Accepted
Commit 19014203c4b54c499fc490c7d4c53c5aea7704c5
Delegated to: Tom Warren
Headers show

Commit Message

Stephen Warren July 27, 2016, 9:24 p.m. UTC 
From: Stephen Warren <swarren@nvidia.com>

This adds the DT content that's needed to allow board DTs to enable use
of BPMP, clocks, resets, GPIOs, eMMC, and SD cards.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
---
 arch/arm/dts/tegra186.dtsi | 55 ++++++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 53 insertions(+), 2 deletions(-)

Comments

Simon Glass Aug. 1, 2016, 1:02 a.m. UTC | #1 
On 27 July 2016 at 15:24, Stephen Warren <swarren@wwwdotorg.org> wrote:
> From: Stephen Warren <swarren@nvidia.com>
>
> This adds the DT content that's needed to allow board DTs to enable use
> of BPMP, clocks, resets, GPIOs, eMMC, and SD cards.
>
> Signed-off-by: Stephen Warren <swarren@nvidia.com>
> ---
>  arch/arm/dts/tegra186.dtsi | 55 ++++++++++++++++++++++++++++++++++++++++++++--
>  1 file changed, 53 insertions(+), 2 deletions(-)

Reviewed-by: Simon Glass <sjg@chromium.org>
diff mbox

Patch

diff --git a/arch/arm/dts/tegra186.dtsi b/arch/arm/dts/tegra186.dtsi
index 650feb60b1ab..25e1e8dfc035 100644
--- a/arch/arm/dts/tegra186.dtsi
+++ b/arch/arm/dts/tegra186.dtsi
@@ -1,14 +1,16 @@ 
 #include "skeleton.dtsi"
+#include <dt-bindings/clock/tegra186-clock.h>
 #include <dt-bindings/gpio/tegra186-gpio.h>
 #include <dt-bindings/interrupt-controller/arm-gic.h>
 #include <dt-bindings/mailbox/tegra186-hsp.h>
+#include <dt-bindings/reset/tegra186-reset.h>
 
 / {
 	compatible = "nvidia,tegra186";
 	#address-cells = <2>;
 	#size-cells = <2>;
 
-	gpio@2200000 {
+	gpio_main: gpio@2200000 {
 		compatible = "nvidia,tegra186-gpio";
 		reg-names = "security", "gpio";
 		reg =
@@ -34,9 +36,24 @@ 
 		status = "disabled";
 	};
 
+	sdhci@3400000 {
+		compatible = "nvidia,tegra186-sdhci";
+		reg = <0x0 0x03400000 0x0 0x200>;
+		resets = <&bpmp TEGRA186_RESET_SDMMC1>;
+		reset-names = "sdmmc";
+		clocks = <&bpmp TEGRA186_CLK_SDMMC1>;
+		clock-names = "sdmmc";
+		interrupts = <GIC_SPI 62 0x04>;
+		status = "disabled";
+	};
+
 	sdhci@3460000 {
 		compatible = "nvidia,tegra186-sdhci";
 		reg = <0x0 0x03460000 0x0 0x200>;
+		resets = <&bpmp TEGRA186_RESET_SDMMC4>;
+		reset-names = "sdmmc";
+		clocks = <&bpmp TEGRA186_CLK_SDMMC4>;
+		clock-names = "sdmmc";
 		interrupts = <GIC_SPI 31 0x04>;
 		status = "disabled";
 	};
@@ -49,7 +66,7 @@ 
 		#mbox-cells = <2>;
 	};
 
-	gpio@c2f0000 {
+	gpio_aon: gpio@c2f0000 {
 		compatible = "nvidia,tegra186-gpio-aon";
 		reg-names = "security", "gpio";
 		reg =
@@ -62,4 +79,38 @@ 
 		interrupt-controller;
 		#interrupt-cells = <2>;
 	};
+
+	sysram@30000000 {
+		compatible = "nvidia,tegra186-sysram", "mmio-sram";
+		reg = <0x0 0x30000000 0x0 0x50000>;
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges = <0 0x0 0x0 0x30000000 0x0 0x50000>;
+
+		sysram_cpu_bpmp_tx: shmem@4e000 {
+			compatible = "nvidia,tegra186-bpmp-shmem";
+			reg = <0x0 0x4e000 0x0 0x1000>;
+		};
+
+		sysram_cpu_bpmp_rx: shmem@4f000 {
+			compatible = "nvidia,tegra186-bpmp-shmem";
+			reg = <0x0 0x4f000 0x0 0x1000>;
+		};
+	};
+
+	bpmp: bpmp {
+		compatible = "nvidia,tegra186-bpmp";
+		mboxes = <&hsp HSP_MBOX_TYPE_DB HSP_DB_MASTER_BPMP>;
+		/*
+		 * In theory, these references, and the configuration in the
+		 * node these reference point at, are board-specific, since
+		 * they depend on the BCT's memory carve-out setup, the
+		 * firmware that's actually loaded onto the BPMP, etc. However,
+		 * in practice, all boards are likely to use identical values.
+		 */
+		shmem = <&sysram_cpu_bpmp_tx &sysram_cpu_bpmp_rx>;
+		#clock-cells = <1>;
+		#power-domain-cells = <1>;
+		#reset-cells = <1>;
+	};
 };