[PATCH 3/5] ARM: tegra: Harmony: Beginnings of audio support
Stephen Warren
swarren at nvidia.com
Sat Mar 5 00:42:30 EST 2011
This change includes everything required to enable audio on Harmony, except
those parts which rely on code not currently in Tegra's for-next branch, i.e.
except those parts which rely on merges of the Tegra I2C driver or latest
ASoC subsystem.
* Define GPIO names for audio-related GPIOs
* Set up platform data and platform device for ASoC machine driver
* Register audio-related platform devices
* Initialize audio-related clocks
* Correctly configure pinmux and GPIO enables for audio-related pins
Signed-off-by: Stephen Warren <swarren at nvidia.com>
---
arch/arm/mach-tegra/board-harmony-pinmux.c | 16 ++++++++++------
arch/arm/mach-tegra/board-harmony.c | 25 +++++++++++++++++++++++++
arch/arm/mach-tegra/board-harmony.h | 7 +++++++
3 files changed, 42 insertions(+), 6 deletions(-)
diff --git a/arch/arm/mach-tegra/board-harmony-pinmux.c b/arch/arm/mach-tegra/board-harmony-pinmux.c
index 3ada474..4d63e2e 100644
--- a/arch/arm/mach-tegra/board-harmony-pinmux.c
+++ b/arch/arm/mach-tegra/board-harmony-pinmux.c
@@ -27,11 +27,11 @@ static struct tegra_pingroup_config harmony_pinmux[] = {
{TEGRA_PINGROUP_ATC, TEGRA_MUX_NAND, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL},
{TEGRA_PINGROUP_ATD, TEGRA_MUX_GMI, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL},
{TEGRA_PINGROUP_ATE, TEGRA_MUX_GMI, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL},
- {TEGRA_PINGROUP_CDEV1, TEGRA_MUX_OSC, TEGRA_PUPD_PULL_DOWN, TEGRA_TRI_TRISTATE},
+ {TEGRA_PINGROUP_CDEV1, TEGRA_MUX_PLLA_OUT, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL},
{TEGRA_PINGROUP_CDEV2, TEGRA_MUX_PLLP_OUT4, TEGRA_PUPD_PULL_DOWN, TEGRA_TRI_TRISTATE},
{TEGRA_PINGROUP_CRTP, TEGRA_MUX_CRT, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE},
{TEGRA_PINGROUP_CSUS, TEGRA_MUX_VI_SENSOR_CLK, TEGRA_PUPD_PULL_DOWN, TEGRA_TRI_TRISTATE},
- {TEGRA_PINGROUP_DAP1, TEGRA_MUX_DAP1, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE},
+ {TEGRA_PINGROUP_DAP1, TEGRA_MUX_DAP1, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL},
{TEGRA_PINGROUP_DAP2, TEGRA_MUX_DAP2, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE},
{TEGRA_PINGROUP_DAP3, TEGRA_MUX_DAP3, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE},
{TEGRA_PINGROUP_DAP4, TEGRA_MUX_DAP4, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE},
@@ -114,13 +114,13 @@ static struct tegra_pingroup_config harmony_pinmux[] = {
{TEGRA_PINGROUP_SLXK, TEGRA_MUX_PCIE, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE},
{TEGRA_PINGROUP_SPDI, TEGRA_MUX_RSVD2, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE},
{TEGRA_PINGROUP_SPDO, TEGRA_MUX_RSVD2, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE},
- {TEGRA_PINGROUP_SPIA, TEGRA_MUX_GMI, TEGRA_PUPD_PULL_DOWN, TEGRA_TRI_TRISTATE},
- {TEGRA_PINGROUP_SPIB, TEGRA_MUX_GMI, TEGRA_PUPD_PULL_DOWN, TEGRA_TRI_TRISTATE},
- {TEGRA_PINGROUP_SPIC, TEGRA_MUX_GMI, TEGRA_PUPD_PULL_UP, TEGRA_TRI_NORMAL},
+ {TEGRA_PINGROUP_SPIA, TEGRA_MUX_GMI, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL},
+ {TEGRA_PINGROUP_SPIB, TEGRA_MUX_GMI, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL},
+ {TEGRA_PINGROUP_SPIC, TEGRA_MUX_GMI, TEGRA_PUPD_PULL_UP, TEGRA_TRI_TRISTATE},
{TEGRA_PINGROUP_SPID, TEGRA_MUX_SPI1, TEGRA_PUPD_PULL_DOWN, TEGRA_TRI_TRISTATE},
{TEGRA_PINGROUP_SPIE, TEGRA_MUX_SPI1, TEGRA_PUPD_PULL_UP, TEGRA_TRI_TRISTATE},
{TEGRA_PINGROUP_SPIF, TEGRA_MUX_SPI1, TEGRA_PUPD_PULL_DOWN, TEGRA_TRI_TRISTATE},
- {TEGRA_PINGROUP_SPIG, TEGRA_MUX_SPI2_ALT, TEGRA_PUPD_PULL_UP, TEGRA_TRI_TRISTATE},
+ {TEGRA_PINGROUP_SPIG, TEGRA_MUX_SPI2_ALT, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE},
{TEGRA_PINGROUP_SPIH, TEGRA_MUX_SPI2_ALT, TEGRA_PUPD_PULL_UP, TEGRA_TRI_TRISTATE},
{TEGRA_PINGROUP_UAA, TEGRA_MUX_ULPI, TEGRA_PUPD_PULL_UP, TEGRA_TRI_TRISTATE},
{TEGRA_PINGROUP_UAB, TEGRA_MUX_ULPI, TEGRA_PUPD_PULL_UP, TEGRA_TRI_TRISTATE},
@@ -147,6 +147,10 @@ static struct tegra_gpio_table gpio_table[] = {
{ .gpio = TEGRA_GPIO_SD4_CD, .enable = true },
{ .gpio = TEGRA_GPIO_SD4_WP, .enable = true },
{ .gpio = TEGRA_GPIO_SD4_POWER, .enable = true },
+ { .gpio = TEGRA_GPIO_CDC_IRQ, .enable = true },
+ { .gpio = TEGRA_GPIO_HP_DET, .enable = true },
+ { .gpio = TEGRA_GPIO_INT_MIC_EN, .enable = true },
+ { .gpio = TEGRA_GPIO_EXT_MIC_EN, .enable = true },
};
void harmony_pinmux_init(void)
diff --git a/arch/arm/mach-tegra/board-harmony.c b/arch/arm/mach-tegra/board-harmony.c
index 7e2218f..17262b4 100644
--- a/arch/arm/mach-tegra/board-harmony.c
+++ b/arch/arm/mach-tegra/board-harmony.c
@@ -2,6 +2,7 @@
* arch/arm/mach-tegra/board-harmony.c
*
* Copyright (C) 2010 Google, Inc.
+ * Copyright (C) 2011 NVIDIA, Inc.
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
@@ -24,12 +25,14 @@
#include <linux/io.h>
#include <linux/i2c.h>
#include <linux/i2c-tegra.h>
+#include <linux/gpio.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/time.h>
#include <asm/setup.h>
+#include <mach/harmony_audio.h>
#include <mach/iomap.h>
#include <mach/irqs.h>
#include <mach/sdhci.h>
@@ -91,12 +94,30 @@ static void harmony_i2c_init(void)
platform_device_register(&tegra_i2c_device4);
}
+static struct harmony_audio_platform_data harmony_audio_pdata = {
+ .gpio_spkr_en = TEGRA_GPIO_SPKR_EN,
+ .gpio_hp_det = TEGRA_GPIO_HP_DET,
+ .gpio_int_mic_en = TEGRA_GPIO_INT_MIC_EN,
+ .gpio_ext_mic_en = TEGRA_GPIO_EXT_MIC_EN,
+};
+
+static struct platform_device harmony_audio_device = {
+ .name = "tegra-snd-harmony",
+ .id = 0,
+ .dev = {
+ .platform_data = &harmony_audio_pdata,
+ },
+};
static struct platform_device *harmony_devices[] __initdata = {
&debug_uart,
&tegra_sdhci_device1,
&tegra_sdhci_device2,
&tegra_sdhci_device4,
+ &tegra_i2s_device1,
+ &tegra_das_device,
+ &tegra_pcm_device,
+ &harmony_audio_device,
};
static void __init tegra_harmony_fixup(struct machine_desc *desc,
@@ -112,6 +133,10 @@ static void __init tegra_harmony_fixup(struct machine_desc *desc,
static __initdata struct tegra_clk_init_table harmony_clk_init_table[] = {
/* name parent rate enabled */
{ "uartd", "pll_p", 216000000, true },
+ { "pll_a", "pll_p_out1", 56448000, true },
+ { "pll_a_out0", "pll_a", 11289600, true },
+ { "cdev1", NULL, 0, true },
+ { "i2s1", "pll_a_out0", 11289600, false},
{ NULL, NULL, 0, 0},
};
diff --git a/arch/arm/mach-tegra/board-harmony.h b/arch/arm/mach-tegra/board-harmony.h
index 4fe33b8..9243521 100644
--- a/arch/arm/mach-tegra/board-harmony.h
+++ b/arch/arm/mach-tegra/board-harmony.h
@@ -17,12 +17,19 @@
#ifndef _MACH_TEGRA_BOARD_HARMONY_H
#define _MACH_TEGRA_BOARD_HARMONY_H
+#define HARMONY_GPIO_WM8903(_x_) (TEGRA_NR_GPIOS + (_x_))
+
#define TEGRA_GPIO_SD2_CD TEGRA_GPIO_PI5
#define TEGRA_GPIO_SD2_WP TEGRA_GPIO_PH1
#define TEGRA_GPIO_SD2_POWER TEGRA_GPIO_PT3
#define TEGRA_GPIO_SD4_CD TEGRA_GPIO_PH2
#define TEGRA_GPIO_SD4_WP TEGRA_GPIO_PH3
#define TEGRA_GPIO_SD4_POWER TEGRA_GPIO_PI6
+#define TEGRA_GPIO_CDC_IRQ TEGRA_GPIO_PX3
+#define TEGRA_GPIO_SPKR_EN HARMONY_GPIO_WM8903(2)
+#define TEGRA_GPIO_HP_DET TEGRA_GPIO_PW2
+#define TEGRA_GPIO_INT_MIC_EN TEGRA_GPIO_PX0
+#define TEGRA_GPIO_EXT_MIC_EN TEGRA_GPIO_PX1
void harmony_pinmux_init(void);
--
1.7.1
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