brcm2708: update to latest patches from RPi Foundation
[openwrt/staging/dedeckeh.git] / target / linux / brcm2708 / patches-4.19 / 950-0564-HACK-clk-bcm2835-Add-BCM2838_CLOCK_EMMC2-support.patch
diff --git a/target/linux/brcm2708/patches-4.19/950-0564-HACK-clk-bcm2835-Add-BCM2838_CLOCK_EMMC2-support.patch b/target/linux/brcm2708/patches-4.19/950-0564-HACK-clk-bcm2835-Add-BCM2838_CLOCK_EMMC2-support.patch
deleted file mode 100644 (file)
index 3a9fa5e..0000000
+++ /dev/null
@@ -1,72 +0,0 @@
-From e5cefebc24b7684f4f84a539259612c8f5a4975b Mon Sep 17 00:00:00 2001
-From: Stefan Wahren <wahrenst@gmx.net>
-Date: Thu, 2 May 2019 23:42:29 +0200
-Subject: [PATCH] HACK: clk-bcm2835: Add BCM2838_CLOCK_EMMC2 support
-
-The new BCM2838 supports an additional emmc2 clock. So add a new
-compatible to register this clock only for BCM2838.
-
-Signed-off-by: Stefan Wahren <wahrenst@gmx.net>
----
- drivers/clk/bcm/clk-bcm2835.c       | 20 ++++++++++++++++++--
- include/dt-bindings/clock/bcm2835.h |  2 ++
- 2 files changed, 20 insertions(+), 2 deletions(-)
-
---- a/drivers/clk/bcm/clk-bcm2835.c
-+++ b/drivers/clk/bcm/clk-bcm2835.c
-@@ -124,6 +124,8 @@
- #define CM_AVEODIV            0x1bc
- #define CM_EMMCCTL            0x1c0
- #define CM_EMMCDIV            0x1c4
-+#define CM_EMMC2CTL           0x1d0
-+#define CM_EMMC2DIV           0x1d4
- /* General bits for the CM_*CTL regs */
- # define CM_ENABLE                    BIT(4)
-@@ -2047,6 +2049,15 @@ static const struct bcm2835_clk_desc clk
-               .frac_bits = 8,
-               .tcnt_mux = 39),
-+      /* EMMC2 clock (only available for BCM2838) */
-+      [BCM2838_CLOCK_EMMC2]   = REGISTER_PER_CLK(
-+              .name = "emmc2",
-+              .ctl_reg = CM_EMMC2CTL,
-+              .div_reg = CM_EMMC2DIV,
-+              .int_bits = 4,
-+              .frac_bits = 8,
-+              .tcnt_mux = 42),
-+
-       /* General purpose (GPIO) clocks */
-       [BCM2835_CLOCK_GP0]     = REGISTER_PER_CLK(
-               .name = "gp0",
-@@ -2276,8 +2287,12 @@ static int bcm2835_clk_probe(struct plat
-       for (i = 0; i < asize; i++) {
-               desc = &clk_desc_array[i];
--              if (desc->clk_register && desc->data)
--                      hws[i] = desc->clk_register(cprman, desc->data);
-+              if (desc->clk_register && desc->data) {
-+                      if ((i != BCM2838_CLOCK_EMMC2) ||
-+                          of_device_is_compatible(fw_node, "brcm,bcm2838-cprman")) {
-+                              hws[i] = desc->clk_register(cprman, desc->data);
-+                      }
-+              }
-       }
-       ret = bcm2835_mark_sdc_parent_critical(hws[BCM2835_CLOCK_SDRAM]->clk);
-@@ -2297,6 +2312,7 @@ static int bcm2835_clk_probe(struct plat
- static const struct of_device_id bcm2835_clk_of_match[] = {
-       { .compatible = "brcm,bcm2835-cprman", },
-+      { .compatible = "brcm,bcm2838-cprman", },
-       {}
- };
- MODULE_DEVICE_TABLE(of, bcm2835_clk_of_match);
---- a/include/dt-bindings/clock/bcm2835.h
-+++ b/include/dt-bindings/clock/bcm2835.h
-@@ -66,3 +66,5 @@
- #define BCM2835_CLOCK_DSI1E           48
- #define BCM2835_CLOCK_DSI0P           49
- #define BCM2835_CLOCK_DSI1P           50
-+
-+#define BCM2838_CLOCK_EMMC2           51