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| author | Marcel Ziswiler <marcel.ziswiler@toradex.com> | 2018-09-02 12:08:54 +0200 |
|---|---|---|
| committer | Thierry Reding <treding@nvidia.com> | 2018-09-26 16:55:16 +0200 |
| commit | 351c72c8323589351090504515d081384c3ea705 (patch) | |
| tree | a291206d0e5fbf752ba2bbf5d75b71b8d3063184 /arch | |
| parent | 0b51e73ba1e9d4ae6564449e7434f958839779f7 (diff) | |
| download | linux-rt-351c72c8323589351090504515d081384c3ea705.tar.gz | |
ARM: tegra: colibri_t20: add gpio hogs for gmi_wr_n buffers
Add GPIO hogs for GMI_WR_N buffers:
- tri-stating GMI_WR_N on SODIMM pin 99 nPWE
- not tri-stating GMI_WR_N on SODIMM pin 93 RDnWR
Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/boot/dts/tegra20-colibri.dtsi | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/tegra20-colibri.dtsi b/arch/arm/boot/dts/tegra20-colibri.dtsi index 281e0dd11565..aba56b447bcd 100644 --- a/arch/arm/boot/dts/tegra20-colibri.dtsi +++ b/arch/arm/boot/dts/tegra20-colibri.dtsi @@ -757,4 +757,20 @@ output-high; line-name = "LAN_RESET#"; }; + + /* Tri-stating GMI_WR_N on SODIMM pin 99 nPWE */ + npwe { + gpio-hog; + gpios = <TEGRA_GPIO(T, 5) GPIO_ACTIVE_HIGH>; + output-high; + line-name = "Tri-state nPWE"; + }; + + /* Not tri-stating GMI_WR_N on SODIMM pin 93 RDnWR */ + rdnwr { + gpio-hog; + gpios = <TEGRA_GPIO(T, 6) GPIO_ACTIVE_HIGH>; + output-low; + line-name = "Not tri-state RDnWR"; + }; }; |