docs: bus-devices: ti-gpmc.rst: convert it to ReST

In order to be able to add this file to a book, it needs
first to be converted to ReST and renamed.

While this is not part of any book, mark it as :orphan:, in order
to avoid build warnings.
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>

Documentation/bus-devices/ti-gpmc.txt → Documentation/bus-devices/ti-gpmc.rst

-GPMC (General Purpose Memory Controller):
-=========================================
+:orphan:
+
+========================================
+GPMC (General Purpose Memory Controller)
+========================================
 
 GPMC is an unified memory controller dedicated to interfacing external
 memory devices like
+
  * Asynchronous SRAM like memories and application specific integrated
    circuit devices.
  * Asynchronous, synchronous, and page mode burst NOR flash devices
@@ -48,75 +52,128 @@ most of the datasheets & hardware (to be exact none of those supported
 in mainline having custom timing routine) and by simulation.
 
 gpmc timing dependency on peripheral timings:
+
 [<gpmc_timing>: <peripheral timing1>, <peripheral timing2> ...]
 
 1. common
-cs_on: t_ceasu
-adv_on: t_avdasu, t_ceavd
+
+cs_on:
+	t_ceasu
+adv_on:
+	t_avdasu, t_ceavd
 
 2. sync common
-sync_clk: clk
-page_burst_access: t_bacc
-clk_activation: t_ces, t_avds
+
+sync_clk:
+	clk
+page_burst_access:
+	t_bacc
+clk_activation:
+	t_ces, t_avds
 
 3. read async muxed
-adv_rd_off: t_avdp_r
-oe_on: t_oeasu, t_aavdh
-access: t_iaa, t_oe, t_ce, t_aa
-rd_cycle: t_rd_cycle, t_cez_r, t_oez
+
+adv_rd_off:
+	t_avdp_r
+oe_on:
+	t_oeasu, t_aavdh
+access:
+	t_iaa, t_oe, t_ce, t_aa
+rd_cycle:
+	t_rd_cycle, t_cez_r, t_oez
 
 4. read async non-muxed
-adv_rd_off: t_avdp_r
-oe_on: t_oeasu
-access: t_iaa, t_oe, t_ce, t_aa
-rd_cycle: t_rd_cycle, t_cez_r, t_oez
+
+adv_rd_off:
+	t_avdp_r
+oe_on:
+	t_oeasu
+access:
+	t_iaa, t_oe, t_ce, t_aa
+rd_cycle:
+	t_rd_cycle, t_cez_r, t_oez
 
 5. read sync muxed
-adv_rd_off: t_avdp_r, t_avdh
-oe_on: t_oeasu, t_ach, cyc_aavdh_oe
-access: t_iaa, cyc_iaa, cyc_oe
-rd_cycle: t_cez_r, t_oez, t_ce_rdyz
+
+adv_rd_off:
+	t_avdp_r, t_avdh
+oe_on:
+	t_oeasu, t_ach, cyc_aavdh_oe
+access:
+	t_iaa, cyc_iaa, cyc_oe
+rd_cycle:
+	t_cez_r, t_oez, t_ce_rdyz
 
 6. read sync non-muxed
-adv_rd_off: t_avdp_r
-oe_on: t_oeasu
-access: t_iaa, cyc_iaa, cyc_oe
-rd_cycle: t_cez_r, t_oez, t_ce_rdyz
+
+adv_rd_off:
+	t_avdp_r
+oe_on:
+	t_oeasu
+access:
+	t_iaa, cyc_iaa, cyc_oe
+rd_cycle:
+	t_cez_r, t_oez, t_ce_rdyz
 
 7. write async muxed
-adv_wr_off: t_avdp_w
-we_on, wr_data_mux_bus: t_weasu, t_aavdh, cyc_aavhd_we
-we_off: t_wpl
-cs_wr_off: t_wph
-wr_cycle: t_cez_w, t_wr_cycle
+
+adv_wr_off:
+	t_avdp_w
+we_on, wr_data_mux_bus:
+	t_weasu, t_aavdh, cyc_aavhd_we
+we_off:
+	t_wpl
+cs_wr_off:
+	t_wph
+wr_cycle:
+	t_cez_w, t_wr_cycle
 
 8. write async non-muxed
-adv_wr_off: t_avdp_w
-we_on, wr_data_mux_bus: t_weasu
-we_off: t_wpl
-cs_wr_off: t_wph
-wr_cycle: t_cez_w, t_wr_cycle
+
+adv_wr_off:
+	t_avdp_w
+we_on, wr_data_mux_bus:
+	t_weasu
+we_off:
+	t_wpl
+cs_wr_off:
+	t_wph
+wr_cycle:
+	t_cez_w, t_wr_cycle
 
 9. write sync muxed
-adv_wr_off: t_avdp_w, t_avdh
-we_on, wr_data_mux_bus: t_weasu, t_rdyo, t_aavdh, cyc_aavhd_we
-we_off: t_wpl, cyc_wpl
-cs_wr_off: t_wph
-wr_cycle: t_cez_w, t_ce_rdyz
+
+adv_wr_off:
+	t_avdp_w, t_avdh
+we_on, wr_data_mux_bus:
+	t_weasu, t_rdyo, t_aavdh, cyc_aavhd_we
+we_off:
+	t_wpl, cyc_wpl
+cs_wr_off:
+	t_wph
+wr_cycle:
+	t_cez_w, t_ce_rdyz
 
 10. write sync non-muxed
-adv_wr_off: t_avdp_w
-we_on, wr_data_mux_bus: t_weasu, t_rdyo
-we_off: t_wpl, cyc_wpl
-cs_wr_off: t_wph
-wr_cycle: t_cez_w, t_ce_rdyz
-
-
-Note: Many of gpmc timings are dependent on other gpmc timings (a few
-gpmc timings purely dependent on other gpmc timings, a reason that
-some of the gpmc timings are missing above), and it will result in
-indirect dependency of peripheral timings to gpmc timings other than
-mentioned above, refer timing routine for more details. To know what
-these peripheral timings correspond to, please see explanations in
-struct gpmc_device_timings definition. And for gpmc timings refer
-IP details (link above).
+
+adv_wr_off:
+	t_avdp_w
+we_on, wr_data_mux_bus:
+	t_weasu, t_rdyo
+we_off:
+	t_wpl, cyc_wpl
+cs_wr_off:
+	t_wph
+wr_cycle:
+	t_cez_w, t_ce_rdyz
+
+
+Note:
+  Many of gpmc timings are dependent on other gpmc timings (a few
+  gpmc timings purely dependent on other gpmc timings, a reason that
+  some of the gpmc timings are missing above), and it will result in
+  indirect dependency of peripheral timings to gpmc timings other than
+  mentioned above, refer timing routine for more details. To know what
+  these peripheral timings correspond to, please see explanations in
+  struct gpmc_device_timings definition. And for gpmc timings refer
+  IP details (link above).