diff options
Diffstat (limited to 'meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0074-MOST-dim2-add-R-Car3-related-initialization.patch')
| -rw-r--r-- | meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0074-MOST-dim2-add-R-Car3-related-initialization.patch | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0074-MOST-dim2-add-R-Car3-related-initialization.patch b/meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0074-MOST-dim2-add-R-Car3-related-initialization.patch new file mode 100644 index 0000000..572da2a --- /dev/null +++ b/meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0074-MOST-dim2-add-R-Car3-related-initialization.patch @@ -0,0 +1,63 @@ +From 41d15fa6003b65080f05d271bf495104013754f9 Mon Sep 17 00:00:00 2001 +From: Andrey Gusakov <andrey.gusakov@cogentembedded.com> +Date: Fri, 7 Jul 2017 20:43:33 +0300 +Subject: [PATCH 112/114] MOST: dim2: add R-Car3 related initialization + +Signed-off-by: Andrey Gusakov <andrey.gusakov@cogentembedded.com> +--- + drivers/staging/most/hdm-dim2/dim2_hdm.c | 28 +++++++++++++++++++++++++++- + 1 file changed, 27 insertions(+), 1 deletion(-) + +diff --git a/drivers/staging/most/hdm-dim2/dim2_hdm.c b/drivers/staging/most/hdm-dim2/dim2_hdm.c +index f28f169180fe..c1beabc28fa8 100644 +--- a/drivers/staging/most/hdm-dim2/dim2_hdm.c ++++ b/drivers/staging/most/hdm-dim2/dim2_hdm.c +@@ -26,6 +26,7 @@ + #include <linux/dma-mapping.h> + #include <linux/sched.h> + #include <linux/kthread.h> ++#include <linux/delay.h> + + #include <mostcore.h> + #include <networking.h> +@@ -189,6 +191,26 @@ static int dim_parce_speed(const char *clock_speed) + return -1; + } + ++static int dim_rcar_init(struct dim2_hdm *dev) ++{ ++ /* PLL */ ++ __raw_writel(0x04, dev->io_base + 0x600); ++ ++ /* 512FS Enable Register */ ++ if (dev->clk_speed == CLK_512FS) ++ __raw_writel(0x01, dev->io_base + 0x604); ++ else ++ __raw_writel(0x00, dev->io_base + 0x604); ++ ++ udelay(200); ++ ++ /* BBCR = 0b11 */ ++ __raw_writel(0x03, dev->io_base + 0x500); ++ __raw_writel(0x0002FF02, dev->io_base + 0x508); ++ ++ return 0; ++} ++ + /** + * startup_dim - initialize the dim2 interface + * @pdev: platform device +@@ -216,6 +238,10 @@ static int startup_dim(struct platform_device *pdev) + return ret; + } + ++ if (1 /* renesas */) { ++ dim_rcar_init(dev); ++ } ++ + pr_info("sync: num of frames per sub-buffer: %u\n", fcnt); + hal_ret = dim_startup(dev->io_base, dev->clk_speed, fcnt); + if (hal_ret != DIM_NO_ERROR) { +-- +2.13.0 + |