From: Mahesh Kumar <mahesh1.ku...@intel.com> Add default GPIO pin mapping for all ports. Tiger Lake has 3 combophy ports and 6 TC ports, gpio pin1-3 are mapped to combophy & pin9-14 are mapped to TC ports.
Cc: Anusha Srivatsa <anusha.sriva...@intel.com> Cc: Rodrigo Vivi <rodrigo.v...@intel.com> Signed-off-by: Mahesh Kumar <mahesh1.ku...@intel.com> Signed-off-by: Lucas De Marchi <lucas.demar...@intel.com> Reviewed-by: José Roberto de Souza <jose.so...@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190708231629.9296-16-lucas.demar...@intel.com --- drivers/gpu/drm/i915/display/intel_display.h | 2 ++ drivers/gpu/drm/i915/display/intel_gmbus.c | 20 ++++++++++++++++++-- drivers/gpu/drm/i915/i915_reg.h | 4 +++- 3 files changed, 23 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_display.h b/drivers/gpu/drm/i915/display/intel_display.h index b0794f7c255d..b224638e6f28 100644 --- a/drivers/gpu/drm/i915/display/intel_display.h +++ b/drivers/gpu/drm/i915/display/intel_display.h @@ -45,6 +45,8 @@ enum i915_gpio { GPIOK, GPIOL, GPIOM, + GPION, + GPIOO, }; /* diff --git a/drivers/gpu/drm/i915/display/intel_gmbus.c b/drivers/gpu/drm/i915/display/intel_gmbus.c index 4f6a9bd5af47..b42c79aea61a 100644 --- a/drivers/gpu/drm/i915/display/intel_gmbus.c +++ b/drivers/gpu/drm/i915/display/intel_gmbus.c @@ -94,11 +94,25 @@ static const struct gmbus_pin gmbus_pins_mcc[] = { [GMBUS_PIN_9_TC1_ICP] = { "dpc", GPIOJ }, }; +static const struct gmbus_pin gmbus_pins_tgp[] = { + [GMBUS_PIN_1_BXT] = { "dpa", GPIOB }, + [GMBUS_PIN_2_BXT] = { "dpb", GPIOC }, + [GMBUS_PIN_3_BXT] = { "dpc", GPIOD }, + [GMBUS_PIN_9_TC1_ICP] = { "tc1", GPIOJ }, + [GMBUS_PIN_10_TC2_ICP] = { "tc2", GPIOK }, + [GMBUS_PIN_11_TC3_ICP] = { "tc3", GPIOL }, + [GMBUS_PIN_12_TC4_ICP] = { "tc4", GPIOM }, + [GMBUS_PIN_13_TC5_TGP] = { "tc5", GPION }, + [GMBUS_PIN_14_TC6_TGP] = { "tc6", GPIOO }, +}; + /* pin is expected to be valid */ static const struct gmbus_pin *get_gmbus_pin(struct drm_i915_private *dev_priv, unsigned int pin) { - if (HAS_PCH_MCC(dev_priv)) + if (HAS_PCH_TGP(dev_priv)) + return &gmbus_pins_tgp[pin]; + else if (HAS_PCH_MCC(dev_priv)) return &gmbus_pins_mcc[pin]; else if (HAS_PCH_ICP(dev_priv)) return &gmbus_pins_icp[pin]; @@ -119,7 +133,9 @@ bool intel_gmbus_is_valid_pin(struct drm_i915_private *dev_priv, { unsigned int size; - if (HAS_PCH_MCC(dev_priv)) + if (HAS_PCH_TGP(dev_priv)) + size = ARRAY_SIZE(gmbus_pins_tgp); + else if (HAS_PCH_MCC(dev_priv)) size = ARRAY_SIZE(gmbus_pins_mcc); else if (HAS_PCH_ICP(dev_priv)) size = ARRAY_SIZE(gmbus_pins_icp); diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index d07e92678c41..87f79dc8e0c3 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -3254,8 +3254,10 @@ enum i915_power_well_id { #define GMBUS_PIN_10_TC2_ICP 10 #define GMBUS_PIN_11_TC3_ICP 11 #define GMBUS_PIN_12_TC4_ICP 12 +#define GMBUS_PIN_13_TC5_TGP 13 +#define GMBUS_PIN_14_TC6_TGP 14 -#define GMBUS_NUM_PINS 13 /* including 0 */ +#define GMBUS_NUM_PINS 15 /* including 0 */ #define GMBUS1 _MMIO(dev_priv->gpio_mmio_base + 0x5104) /* command/status */ #define GMBUS_SW_CLR_INT (1 << 31) #define GMBUS_SW_RDY (1 << 30) -- 2.21.0 _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx
