Skip to content

Commit

Permalink
---
Browse files Browse the repository at this point in the history
yaml
---
r: 350482
b: refs/heads/master
c: b6ae7a2
h: refs/heads/master
v: v3
  • Loading branch information
Pritesh Raithatha authored and Linus Walleij committed Jan 18, 2013
1 parent 45dea90 commit 73f25c8
Show file tree
Hide file tree
Showing 5 changed files with 2,883 additions and 1 deletion.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 348d1bf75c09f854630e9bd161dc2a88aebe2149
refs/heads/master: b6ae7a26535bb37c6c023c6f25b7f98904a8ab7c
Original file line number Diff line number Diff line change
@@ -0,0 +1,120 @@
NVIDIA Tegra114 pinmux controller

The Tegra114 pinctrl binding is very similar to the Tegra20 and Tegra30
pinctrl binding, as described in nvidia,tegra20-pinmux.txt and
nvidia,tegra30-pinmux.txt. In fact, this document assumes that binding as
a baseline, and only documents the differences between the two bindings.

Required properties:
- compatible: "nvidia,tegra114-pinmux"
- reg: Should contain the register physical address and length for each of
the pad control and mux registers. The first bank of address must be the
driver strength pad control register address and second bank address must
be pinmux register address.

Tegra114 adds the following optional properties for pin configuration subnodes:
- nvidia,enable-input: Integer. Enable the pin's input path. 0: no, 1: yes.
- nvidia,open-drain: Integer. Enable open drain mode. 0: no, 1: yes.
- nvidia,lock: Integer. Lock the pin configuration against further changes
until reset. 0: no, 1: yes.
- nvidia,io-reset: Integer. Reset the IO path. 0: no, 1: yes.
- nvidia,rcv-sel: Integer. Select VIL/VIH receivers. 0: normal, 1: high.
- nvidia,drive-type: Integer. Valid range 0...3.

As with Tegra20 and Terga30, see the Tegra TRM for complete details regarding
which groups support which functionality.

Valid values for pin and group names are:

per-pin mux groups:

These all support nvidia,function, nvidia,tristate, nvidia,pull,
nvidia,enable-input, nvidia,lock. Some support nvidia,open-drain,
nvidia,io-reset and nvidia,rcv-sel.

ulpi_data0_po1, ulpi_data1_po2, ulpi_data2_po3, ulpi_data3_po4,
ulpi_data4_po5, ulpi_data5_po6, ulpi_data6_po7, ulpi_data7_po0,
ulpi_clk_py0, ulpi_dir_py1, ulpi_nxt_py2, ulpi_stp_py3, dap3_fs_pp0,
dap3_din_pp1, dap3_dout_pp2, dap3_sclk_pp3, pv0, pv1, sdmmc1_clk_pz0,
sdmmc1_cmd_pz1, sdmmc1_dat3_py4, sdmmc1_dat2_py5, sdmmc1_dat1_py6,
sdmmc1_dat0_py7, clk2_out_pw5, clk2_req_pcc5, hdmi_int_pn7, ddc_scl_pv4,
ddc_sda_pv5, uart2_rxd_pc3, uart2_txd_pc2, uart2_rts_n_pj6,
uart2_cts_n_pj5, uart3_txd_pw6, uart3_rxd_pw7, uart3_cts_n_pa1,
uart3_rts_n_pc0, pu0, pu1, pu2, pu3, pu4, pu5, pu6, gen1_i2c_sda_pc5,
gen1_i2c_scl_pc4, dap4_fs_pp4, dap4_din_pp5, dap4_dout_pp6, dap4_sclk_pp7,
clk3_out_pee0, clk3_req_pee1, gmi_wp_n_pc7, gmi_iordy_pi5, gmi_wait_pi7,
gmi_adv_n_pk0, gmi_clk_pk1, gmi_cs0_n_pj0, gmi_cs1_n_pj2, gmi_cs2_n_pk3,
gmi_cs3_n_pk4, gmi_cs4_n_pk2, gmi_cs6_n_pi3, gmi_cs7_n_pi6, gmi_ad0_pg0,
gmi_ad1_pg1, gmi_ad2_pg2, gmi_ad3_pg3, gmi_ad4_pg4, gmi_ad5_pg5,
gmi_ad6_pg6, gmi_ad7_pg7, gmi_ad8_ph0, gmi_ad9_ph1, gmi_ad10_ph2,
gmi_ad11_ph3, gmi_ad12_ph4, gmi_ad13_ph5, gmi_ad14_ph6, gmi_ad15_ph7,
gmi_a16_pj7, gmi_a17_pb0, gmi_a18_pb1, gmi_a19_pk7, gmi_wr_n_pi0,
gmi_oe_n_pi1, gmi_dqs_p_pj3, gmi_rst_n_pi4, gen2_i2c_scl_pt5,
gen2_i2c_sda_pt6, sdmmc4_clk_pcc4, sdmmc4_cmd_pt7, sdmmc4_dat0_paa0,
sdmmc4_dat1_paa1, sdmmc4_dat2_paa2, sdmmc4_dat3_paa3, sdmmc4_dat4_paa4,
sdmmc4_dat5_paa5, sdmmc4_dat6_paa6, sdmmc4_dat7_paa7, cam_mclk_pcc0,
pcc1, pbb0, cam_i2c_scl_pbb1, cam_i2c_sda_pbb2, pbb3, pbb4, pbb5, pbb6,
pbb7, pcc2, pwr_i2c_scl_pz6, pwr_i2c_sda_pz7, kb_row0_pr0, kb_row1_pr1,
kb_row2_pr2, kb_row3_pr3, kb_row4_pr4, kb_row5_pr5, kb_row6_pr6,
kb_row7_pr7, kb_row8_ps0, kb_row9_ps1, kb_row10_ps2, kb_col0_pq0,
kb_col1_pq1, kb_col2_pq2, kb_col3_pq3, kb_col4_pq4, kb_col5_pq5,
kb_col6_pq6, kb_col7_pq7, clk_32k_out_pa0, sys_clk_req_pz5, core_pwr_req,
cpu_pwr_req, pwr_int_n, owr, dap1_fs_pn0, dap1_din_pn1, dap1_dout_pn2,
dap1_sclk_pn3, clk1_req_pee2, clk1_out_pw4, spdif_in_pk6, spdif_out_pk5,
dap2_fs_pa2, dap2_din_pa4, dap2_dout_pa5, dap2_sclk_pa3, dvfs_pwm_px0,
gpio_x1_aud_px1, gpio_x3_aud_px3, dvfs_clk_px2, gpio_x4_aud_px4,
gpio_x5_aud_px5, gpio_x6_aud_px6, gpio_x7_aud_px7, sdmmc3_clk_pa6,
sdmmc3_cmd_pa7, sdmmc3_dat0_pb7, sdmmc3_dat1_pb6, sdmmc3_dat2_pb5,
sdmmc3_dat3_pb4, hdmi_cec_pee3, sdmmc1_wp_n_pv3, sdmmc3_cd_n_pv2,
gpio_w2_aud_pw2, gpio_w3_aud_pw3, usb_vbus_en0_pn4, usb_vbus_en1_pn5,
sdmmc3_clk_lb_in_pee5, sdmmc3_clk_lb_out_pee4, reset_out_n.

drive groups:

These all support nvidia,pull-down-strength, nvidia,pull-up-strength,
nvidia,slew-rate-rising, nvidia,slew-rate-falling. Most but not all
support nvidia,high-speed-mode, nvidia,schmitt, nvidia,low-power-mode
and nvidia,drive-type.

ao1, ao2, at1, at2, at3, at4, at5, cdev1, cdev2, dap1, dap2, dap3, dap4,
dbg, sdio3, spi, uaa, uab, uart2, uart3, sdio1, ddc, gma, gme, gmf, gmg,
gmh, owr, uda.

Example:

pinmux: pinmux {
compatible = "nvidia,tegra114-pinmux";
reg = <0x70000868 0x148 /* Pad control registers */
0x70003000 0x40c>; /* PinMux registers */
};

Example board file extract:

pinctrl {
sdmmc4_default: pinmux {
sdmmc4_clk_pcc4 {
nvidia,pins = "sdmmc4_clk_pcc4",
nvidia,function = "sdmmc4";
nvidia,pull = <0>;
nvidia,tristate = <0>;
};
sdmmc4_dat0_paa0 {
nvidia,pins = "sdmmc4_dat0_paa0",
"sdmmc4_dat1_paa1",
"sdmmc4_dat2_paa2",
"sdmmc4_dat3_paa3",
"sdmmc4_dat4_paa4",
"sdmmc4_dat5_paa5",
"sdmmc4_dat6_paa6",
"sdmmc4_dat7_paa7";
nvidia,function = "sdmmc4";
nvidia,pull = <2>;
nvidia,tristate = <0>;
};
};
};

sdhci@78000400 {
pinctrl-names = "default";
pinctrl-0 = <&sdmmc4_default>;
};
4 changes: 4 additions & 0 deletions trunk/drivers/pinctrl/Kconfig
Original file line number Diff line number Diff line change
Expand Up @@ -164,6 +164,10 @@ config PINCTRL_TEGRA30
bool
select PINCTRL_TEGRA

config PINCTRL_TEGRA114
bool
select PINCTRL_TEGRA

config PINCTRL_U300
bool "U300 pin controller driver"
depends on ARCH_U300
Expand Down
1 change: 1 addition & 0 deletions trunk/drivers/pinctrl/Makefile
Original file line number Diff line number Diff line change
Expand Up @@ -33,6 +33,7 @@ obj-$(CONFIG_PINCTRL_SIRF) += pinctrl-sirf.o
obj-$(CONFIG_PINCTRL_TEGRA) += pinctrl-tegra.o
obj-$(CONFIG_PINCTRL_TEGRA20) += pinctrl-tegra20.o
obj-$(CONFIG_PINCTRL_TEGRA30) += pinctrl-tegra30.o
obj-$(CONFIG_PINCTRL_TEGRA114) += pinctrl-tegra114.o
obj-$(CONFIG_PINCTRL_U300) += pinctrl-u300.o
obj-$(CONFIG_PINCTRL_COH901) += pinctrl-coh901.o
obj-$(CONFIG_PINCTRL_SAMSUNG) += pinctrl-samsung.o
Expand Down
Loading

0 comments on commit 73f25c8

Please sign in to comment.