3 * NVIDIA Corporation <www.nvidia.com>
5 * SPDX-License-Identifier: GPL-2.0+
12 #include <asm/arch/pinmux.h>
13 #include <asm/arch/clock.h>
14 #include <asm/arch/mc.h>
15 #include <asm/arch-tegra/clk_rst.h>
16 #include <asm/arch-tegra/pmc.h>
17 #include <power/as3722.h>
18 #include <power/pmic.h>
19 #include "pinmux-config-nyan-big.h"
22 * Routine: pinmux_init
23 * Description: Do individual peripheral pinmux configs
25 void pinmux_init(void)
27 gpio_config_table(nyan_big_gpio_inits,
28 ARRAY_SIZE(nyan_big_gpio_inits));
30 pinmux_config_pingrp_table(nyan_big_pingrps,
31 ARRAY_SIZE(nyan_big_pingrps));
33 pinmux_config_drvgrp_table(nyan_big_drvgrps,
34 ARRAY_SIZE(nyan_big_drvgrps));
37 int tegra_board_id(void)
39 static const int vector[] = {GPIO_PQ3, GPIO_PT1, GPIO_PX1,
42 gpio_claim_vector(vector, "board_id%d");
43 return gpio_get_values_as_int(vector);
46 int tegra_lcd_pmic_init(int board_id)
51 ret = as3722_get(&pmic);
56 as3722_write(pmic, 0x00, 0x3c);
58 as3722_write(pmic, 0x00, 0x50);
59 as3722_write(pmic, 0x12, 0x10);
60 as3722_write(pmic, 0x0c, 0x07);
61 as3722_write(pmic, 0x20, 0x10);
66 /* Setup required information for Linux kernel */
67 static void setup_kernel_info(void)
69 struct mc_ctlr *mc = (void *)NV_PA_MC_BASE;
71 /* The kernel graphics driver needs this region locked down */
72 writel(0, &mc->mc_video_protect_bom);
73 writel(0, &mc->mc_video_protect_size_mb);
74 writel(1, &mc->mc_video_protect_reg_ctrl);
78 * We need to take ALL audio devices conntected to AHUB (AUDIO, APBIF,
79 * I2S, DAM, AMX, ADX, SPDIF, AFC) out of reset and enable the clocks.
80 * Otherwise reading AHUB devices will hang when the kernel boots.
82 static void enable_required_clocks(void)
84 static enum periph_id ids[] = {
110 for (i = 0; i < ARRAY_SIZE(ids); i++)
111 clock_enable(ids[i]);
113 for (i = 0; i < ARRAY_SIZE(ids); i++)
114 reset_set_enable(ids[i], 0);
117 int nvidia_board_init(void)
119 clock_start_periph_pll(PERIPH_ID_EXTPERIPH1, CLOCK_ID_OSC, 12000000);
120 clock_start_periph_pll(PERIPH_ID_I2S1, CLOCK_ID_OSC, 1500000);
122 /* For external MAX98090 audio codec */
123 clock_external_output(1);
125 enable_required_clocks();